Imported Upstream version 4.8.0.309

Former-commit-id: 5f9c6ae75f295e057a7d2971f3a6df4656fa8850

external/boringssl/crypto/x509/CMakeLists.txt

@@ -0,0 +1,81 @@
+include_directories(../../include)
+
+add_library(
+  x509
+
+  OBJECT
+
+  a_digest.c
+  a_sign.c
+  a_strex.c
+  a_verify.c
+  algorithm.c
+  asn1_gen.c
+  by_dir.c
+  by_file.c
+  i2d_pr.c
+  pkcs7.c
+  rsa_pss.c
+  t_crl.c
+  t_req.c
+  t_x509.c
+  t_x509a.c
+  x509.c
+  x509_att.c
+  x509_cmp.c
+  x509_d2.c
+  x509_def.c
+  x509_ext.c
+  x509_lu.c
+  x509_obj.c
+  x509_r2x.c
+  x509_req.c
+  x509_set.c
+  x509_trs.c
+  x509_txt.c
+  x509_v3.c
+  x509_vfy.c
+  x509_vpm.c
+  x509cset.c
+  x509name.c
+  x509rset.c
+  x509spki.c
+  x509type.c
+  x_algor.c
+  x_all.c
+  x_attrib.c
+  x_crl.c
+  x_exten.c
+  x_info.c
+  x_name.c
+  x_pkey.c
+  x_pubkey.c
+  x_req.c
+  x_sig.c
+  x_spki.c
+  x_val.c
+  x_x509.c
+  x_x509a.c
+)
+
+if(ENABLE_TESTS)
+add_executable(
+  pkcs7_test
+
+  pkcs7_test.c
+
+  $<TARGET_OBJECTS:test_support>
+)
+
+add_executable(
+  x509_test
+
+  x509_test.cc
+
+  $<TARGET_OBJECTS:test_support>
+)
+
+target_link_libraries(pkcs7_test crypto)
+target_link_libraries(x509_test crypto)
+add_dependencies(all_tests pkcs7_test x509_test)
+endif()

external/boringssl/crypto/x509/a_digest.c

@@ -0,0 +1,96 @@
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.] */
+
+#include <openssl/x509.h>
+
+#include <openssl/asn1.h>
+#include <openssl/digest.h>
+#include <openssl/err.h>
+#include <openssl/mem.h>
+
+int ASN1_digest(i2d_of_void *i2d, const EVP_MD *type, char *data,
+                unsigned char *md, unsigned int *len)
+{
+    int i, ret;
+    unsigned char *str, *p;
+
+    i = i2d(data, NULL);
+    if ((str = (unsigned char *)OPENSSL_malloc(i)) == NULL) {
+        OPENSSL_PUT_ERROR(X509, ERR_R_MALLOC_FAILURE);
+        return (0);
+    }
+    p = str;
+    i2d(data, &p);
+
+    ret = EVP_Digest(str, i, md, len, type, NULL);
+    OPENSSL_free(str);
+    return ret;
+}
+
+int ASN1_item_digest(const ASN1_ITEM *it, const EVP_MD *type, void *asn,
+                     unsigned char *md, unsigned int *len)
+{
+    int i, ret;
+    unsigned char *str = NULL;
+
+    i = ASN1_item_i2d(asn, &str, it);
+    if (!str)
+        return (0);
+
+    ret = EVP_Digest(str, i, md, len, type, NULL);
+    OPENSSL_free(str);
+    return ret;
+}

external/boringssl/crypto/x509/a_sign.c

@@ -0,0 +1,135 @@
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.] */
+
+#include <openssl/asn1.h>
+#include <openssl/digest.h>
+#include <openssl/err.h>
+#include <openssl/evp.h>
+#include <openssl/mem.h>
+#include <openssl/obj.h>
+#include <openssl/x509.h>
+
+#include "internal.h"
+
+int ASN1_item_sign(const ASN1_ITEM *it, X509_ALGOR *algor1,
+                   X509_ALGOR *algor2, ASN1_BIT_STRING *signature, void *asn,
+                   EVP_PKEY *pkey, const EVP_MD *type)
+{
+    EVP_MD_CTX ctx;
+    EVP_MD_CTX_init(&ctx);
+    if (!EVP_DigestSignInit(&ctx, NULL, type, NULL, pkey)) {
+        EVP_MD_CTX_cleanup(&ctx);
+        return 0;
+    }
+    return ASN1_item_sign_ctx(it, algor1, algor2, signature, asn, &ctx);
+}
+
+int ASN1_item_sign_ctx(const ASN1_ITEM *it,
+                       X509_ALGOR *algor1, X509_ALGOR *algor2,
+                       ASN1_BIT_STRING *signature, void *asn, EVP_MD_CTX *ctx)
+{
+    EVP_PKEY *pkey;
+    unsigned char *buf_in = NULL, *buf_out = NULL;
+    size_t inl = 0, outl = 0, outll = 0;
+
+    pkey = EVP_PKEY_CTX_get0_pkey(ctx->pctx);
+
+    /* Write out the requested copies of the AlgorithmIdentifier. */
+    if (algor1 && !x509_digest_sign_algorithm(ctx, algor1)) {
+        goto err;
+    }
+    if (algor2 && !x509_digest_sign_algorithm(ctx, algor2)) {
+        goto err;
+    }
+
+    inl = ASN1_item_i2d(asn, &buf_in, it);
+    outll = outl = EVP_PKEY_size(pkey);
+    buf_out = OPENSSL_malloc((unsigned int)outl);
+    if ((buf_in == NULL) || (buf_out == NULL)) {
+        outl = 0;
+        OPENSSL_PUT_ERROR(X509, ERR_R_MALLOC_FAILURE);
+        goto err;
+    }
+
+    if (!EVP_DigestSignUpdate(ctx, buf_in, inl)
+        || !EVP_DigestSignFinal(ctx, buf_out, &outl)) {
+        outl = 0;
+        OPENSSL_PUT_ERROR(X509, ERR_R_EVP_LIB);
+        goto err;
+    }
+    if (signature->data != NULL)
+        OPENSSL_free(signature->data);
+    signature->data = buf_out;
+    buf_out = NULL;
+    signature->length = outl;
+    /*
+     * In the interests of compatibility, I'll make sure that the bit string
+     * has a 'not-used bits' value of 0
+     */
+    signature->flags &= ~(ASN1_STRING_FLAG_BITS_LEFT | 0x07);
+    signature->flags |= ASN1_STRING_FLAG_BITS_LEFT;
+ err:
+    EVP_MD_CTX_cleanup(ctx);
+    if (buf_in != NULL) {
+        OPENSSL_cleanse((char *)buf_in, (unsigned int)inl);
+        OPENSSL_free(buf_in);
+    }
+    if (buf_out != NULL) {
+        OPENSSL_cleanse((char *)buf_out, outll);
+        OPENSSL_free(buf_out);
+    }
+    return (outl);
+}

external/boringssl/crypto/x509/a_verify.c

@@ -0,0 +1,127 @@
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.] */
+
+#include <openssl/x509.h>
+
+#include <stdio.h>
+#include <time.h>
+#include <sys/types.h>
+
+#include <openssl/bn.h>
+#include <openssl/buf.h>
+#include <openssl/digest.h>
+#include <openssl/err.h>
+#include <openssl/evp.h>
+#include <openssl/mem.h>
+#include <openssl/obj.h>
+
+#include "internal.h"
+
+int ASN1_item_verify(const ASN1_ITEM *it, X509_ALGOR *a,
+                     ASN1_BIT_STRING *signature, void *asn, EVP_PKEY *pkey)
+{
+    EVP_MD_CTX ctx;
+    uint8_t *buf_in = NULL;
+    int ret = 0, inl;
+
+    if (!pkey) {
+        OPENSSL_PUT_ERROR(X509, ERR_R_PASSED_NULL_PARAMETER);
+        return 0;
+    }
+
+    if (signature->type == V_ASN1_BIT_STRING && signature->flags & 0x7) {
+        OPENSSL_PUT_ERROR(X509, X509_R_INVALID_BIT_STRING_BITS_LEFT);
+        return 0;
+    }
+
+    EVP_MD_CTX_init(&ctx);
+
+    if (!x509_digest_verify_init(&ctx, a, pkey)) {
+        goto err;
+    }
+
+    inl = ASN1_item_i2d(asn, &buf_in, it);
+
+    if (buf_in == NULL) {
+        OPENSSL_PUT_ERROR(X509, ERR_R_MALLOC_FAILURE);
+        goto err;
+    }
+
+    if (!EVP_DigestVerifyUpdate(&ctx, buf_in, inl)) {
+        OPENSSL_cleanse(buf_in, (unsigned int)inl);
+        OPENSSL_free(buf_in);
+        OPENSSL_PUT_ERROR(X509, ERR_R_EVP_LIB);
+        goto err;
+    }
+
+    OPENSSL_cleanse(buf_in, (unsigned int)inl);
+    OPENSSL_free(buf_in);
+
+    if (EVP_DigestVerifyFinal(&ctx, signature->data,
+                              (size_t)signature->length) <= 0) {
+        OPENSSL_PUT_ERROR(X509, ERR_R_EVP_LIB);
+        goto err;
+    }
+    /*
+     * we don't need to zero the 'ctx' because we just checked public
+     * information
+     */
+    /* memset(&ctx,0,sizeof(ctx)); */
+    ret = 1;
+ err:
+    EVP_MD_CTX_cleanup(&ctx);
+    return ret;
+}

external/boringssl/crypto/x509/algorithm.c

@@ -0,0 +1,137 @@
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.] */
+
+#include <openssl/x509.h>
+
+#include <openssl/asn1.h>
+#include <openssl/digest.h>
+#include <openssl/err.h>
+#include <openssl/evp.h>
+#include <openssl/obj.h>
+
+#include "internal.h"
+
+
+int x509_digest_sign_algorithm(EVP_MD_CTX *ctx, X509_ALGOR *algor) {
+  const EVP_MD *digest = EVP_MD_CTX_md(ctx);
+  EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx->pctx);
+  if (digest == NULL || pkey == NULL) {
+    OPENSSL_PUT_ERROR(ASN1, ASN1_R_CONTEXT_NOT_INITIALISED);
+    return 0;
+  }
+
+  if (EVP_PKEY_id(pkey) == EVP_PKEY_RSA) {
+    int pad_mode;
+    if (!EVP_PKEY_CTX_get_rsa_padding(ctx->pctx, &pad_mode)) {
+      return 0;
+    }
+    /* RSA-PSS has special signature algorithm logic. */
+    if (pad_mode == RSA_PKCS1_PSS_PADDING) {
+      return x509_rsa_ctx_to_pss(ctx, algor);
+    }
+  }
+
+  /* Default behavior: look up the OID for the algorithm/hash pair and encode
+   * that. */
+  int sign_nid;
+  if (!OBJ_find_sigid_by_algs(&sign_nid, EVP_MD_type(digest),
+                              EVP_PKEY_id(pkey))) {
+    OPENSSL_PUT_ERROR(ASN1, ASN1_R_DIGEST_AND_KEY_TYPE_NOT_SUPPORTED);
+    return 0;
+  }
+
+  /* RSA signature algorithms include an explicit NULL parameter. Others omit
+   * it. */
+  int paramtype =
+      (EVP_PKEY_id(pkey) == EVP_PKEY_RSA) ? V_ASN1_NULL : V_ASN1_UNDEF;
+  X509_ALGOR_set0(algor, OBJ_nid2obj(sign_nid), paramtype, NULL);
+  return 1;
+}
+
+int x509_digest_verify_init(EVP_MD_CTX *ctx, X509_ALGOR *sigalg,
+                            EVP_PKEY *pkey) {
+  /* Convert the signature OID into digest and public key OIDs. */
+  int sigalg_nid = OBJ_obj2nid(sigalg->algorithm);
+  int digest_nid, pkey_nid;
+  if (!OBJ_find_sigid_algs(sigalg_nid, &digest_nid, &pkey_nid)) {
+    OPENSSL_PUT_ERROR(ASN1, ASN1_R_UNKNOWN_SIGNATURE_ALGORITHM);
+    return 0;
+  }
+
+  /* Check the public key OID matches the public key type. */
+  if (pkey_nid != EVP_PKEY_id(pkey)) {
+    OPENSSL_PUT_ERROR(ASN1, ASN1_R_WRONG_PUBLIC_KEY_TYPE);
+    return 0;
+  }
+
+  /* NID_undef signals that there are custom parameters to set. */
+  if (digest_nid == NID_undef) {
+    if (sigalg_nid != NID_rsassaPss) {
+      OPENSSL_PUT_ERROR(ASN1, ASN1_R_UNKNOWN_SIGNATURE_ALGORITHM);
+      return 0;
+    }
+    return x509_rsa_pss_to_ctx(ctx, sigalg, pkey);
+  }
+
+  /* Otherwise, initialize with the digest from the OID. */
+  const EVP_MD *digest = EVP_get_digestbynid(digest_nid);
+  if (digest == NULL) {
+    OPENSSL_PUT_ERROR(ASN1, ASN1_R_UNKNOWN_MESSAGE_DIGEST_ALGORITHM);
+    return 0;
+  }
+
+  return EVP_DigestVerifyInit(ctx, NULL, digest, NULL, pkey);
+}

external/boringssl/crypto/x509/by_dir.c

@@ -0,0 +1,453 @@
+/* crypto/x509/by_dir.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.] */
+
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include <openssl/buf.h>
+#include <openssl/err.h>
+#include <openssl/lhash.h>
+#include <openssl/mem.h>
+#include <openssl/thread.h>
+#include <openssl/x509.h>
+
+#include "../internal.h"
+
+typedef struct lookup_dir_hashes_st {
+    unsigned long hash;
+    int suffix;
+} BY_DIR_HASH;
+
+typedef struct lookup_dir_entry_st {
+    char *dir;
+    int dir_type;
+    STACK_OF(BY_DIR_HASH) *hashes;
+} BY_DIR_ENTRY;
+
+typedef struct lookup_dir_st {
+    BUF_MEM *buffer;
+    STACK_OF(BY_DIR_ENTRY) *dirs;
+} BY_DIR;
+
+DECLARE_STACK_OF(BY_DIR_HASH)
+DECLARE_STACK_OF(BY_DIR_ENTRY)
+
+static int dir_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
+                    char **ret);
+static int new_dir(X509_LOOKUP *lu);
+static void free_dir(X509_LOOKUP *lu);
+static int add_cert_dir(BY_DIR *ctx, const char *dir, int type);
+static int get_cert_by_subject(X509_LOOKUP *xl, int type, X509_NAME *name,
+                               X509_OBJECT *ret);
+static X509_LOOKUP_METHOD x509_dir_lookup = {
+    "Load certs from files in a directory",
+    new_dir,                    /* new */
+    free_dir,                   /* free */
+    NULL,                       /* init */
+    NULL,                       /* shutdown */
+    dir_ctrl,                   /* ctrl */
+    get_cert_by_subject,        /* get_by_subject */
+    NULL,                       /* get_by_issuer_serial */
+    NULL,                       /* get_by_fingerprint */
+    NULL,                       /* get_by_alias */
+};
+
+X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void)
+{
+    return (&x509_dir_lookup);
+}
+
+static int dir_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
+                    char **retp)
+{
+    int ret = 0;
+    BY_DIR *ld;
+    char *dir = NULL;
+
+    ld = (BY_DIR *)ctx->method_data;
+
+    switch (cmd) {
+    case X509_L_ADD_DIR:
+        if (argl == X509_FILETYPE_DEFAULT) {
+            dir = (char *)getenv(X509_get_default_cert_dir_env());
+            if (dir)
+                ret = add_cert_dir(ld, dir, X509_FILETYPE_PEM);
+            else
+                ret = add_cert_dir(ld, X509_get_default_cert_dir(),
+                                   X509_FILETYPE_PEM);
+            if (!ret) {
+                OPENSSL_PUT_ERROR(X509, X509_R_LOADING_CERT_DIR);
+            }
+        } else
+            ret = add_cert_dir(ld, argp, (int)argl);
+        break;
+    }
+    return (ret);
+}
+
+static int new_dir(X509_LOOKUP *lu)
+{
+    BY_DIR *a;
+
+    if ((a = (BY_DIR *)OPENSSL_malloc(sizeof(BY_DIR))) == NULL)
+        return (0);
+    if ((a->buffer = BUF_MEM_new()) == NULL) {
+        OPENSSL_free(a);
+        return (0);
+    }
+    a->dirs = NULL;
+    lu->method_data = (char *)a;
+    return (1);
+}
+
+static void by_dir_hash_free(BY_DIR_HASH *hash)
+{
+    OPENSSL_free(hash);
+}
+
+static int by_dir_hash_cmp(const BY_DIR_HASH **a, const BY_DIR_HASH **b)
+{
+    if ((*a)->hash > (*b)->hash)
+        return 1;
+    if ((*a)->hash < (*b)->hash)
+        return -1;
+    return 0;
+}
+
+static void by_dir_entry_free(BY_DIR_ENTRY *ent)
+{
+    if (ent->dir)
+        OPENSSL_free(ent->dir);
+    if (ent->hashes)
+        sk_BY_DIR_HASH_pop_free(ent->hashes, by_dir_hash_free);
+    OPENSSL_free(ent);
+}
+
+static void free_dir(X509_LOOKUP *lu)
+{
+    BY_DIR *a;
+
+    a = (BY_DIR *)lu->method_data;
+    if (a->dirs != NULL)
+        sk_BY_DIR_ENTRY_pop_free(a->dirs, by_dir_entry_free);
+    if (a->buffer != NULL)
+        BUF_MEM_free(a->buffer);
+    OPENSSL_free(a);
+}
+
+static int add_cert_dir(BY_DIR *ctx, const char *dir, int type)
+{
+    size_t j, len;
+    const char *s, *ss, *p;
+
+    if (dir == NULL || !*dir) {
+        OPENSSL_PUT_ERROR(X509, X509_R_INVALID_DIRECTORY);
+        return 0;
+    }
+
+    s = dir;
+    p = s;
+    do {
+        if ((*p == ':') || (*p == '\0')) {
+            BY_DIR_ENTRY *ent;
+            ss = s;
+            s = p + 1;
+            len = p - ss;
+            if (len == 0)
+                continue;
+            for (j = 0; j < sk_BY_DIR_ENTRY_num(ctx->dirs); j++) {
+                ent = sk_BY_DIR_ENTRY_value(ctx->dirs, j);
+                if (strlen(ent->dir) == len &&
+                    strncmp(ent->dir, ss, len) == 0)
+                    break;
+            }
+            if (j < sk_BY_DIR_ENTRY_num(ctx->dirs))
+                continue;
+            if (ctx->dirs == NULL) {
+                ctx->dirs = sk_BY_DIR_ENTRY_new_null();
+                if (!ctx->dirs) {
+                    OPENSSL_PUT_ERROR(X509, ERR_R_MALLOC_FAILURE);
+                    return 0;
+                }
+            }
+            ent = OPENSSL_malloc(sizeof(BY_DIR_ENTRY));
+            if (!ent)
+                return 0;
+            ent->dir_type = type;
+            ent->hashes = sk_BY_DIR_HASH_new(by_dir_hash_cmp);
+            ent->dir = OPENSSL_malloc(len + 1);
+            if (!ent->dir || !ent->hashes) {
+                by_dir_entry_free(ent);
+                return 0;
+            }
+            strncpy(ent->dir, ss, len);
+            ent->dir[len] = '\0';
+            if (!sk_BY_DIR_ENTRY_push(ctx->dirs, ent)) {
+                by_dir_entry_free(ent);
+                return 0;
+            }
+        }
+    } while (*p++ != '\0');
+    return 1;
+}
+
+/*
+ * g_ent_hashes_lock protects the |hashes| member of all |BY_DIR_ENTRY|
+ * objects.
+ */
+static struct CRYPTO_STATIC_MUTEX g_ent_hashes_lock =
+    CRYPTO_STATIC_MUTEX_INIT;
+
+static int get_cert_by_subject(X509_LOOKUP *xl, int type, X509_NAME *name,
+                               X509_OBJECT *ret)
+{
+    BY_DIR *ctx;
+    union {
+        struct {
+            X509 st_x509;
+            X509_CINF st_x509_cinf;
+        } x509;
+        struct {
+            X509_CRL st_crl;
+            X509_CRL_INFO st_crl_info;
+        } crl;
+    } data;
+    int ok = 0;
+    size_t i;
+    int j, k;
+    unsigned long h;
+    unsigned long hash_array[2];
+    int hash_index;
+    BUF_MEM *b = NULL;
+    X509_OBJECT stmp, *tmp;
+    const char *postfix = "";
+
+    if (name == NULL)
+        return (0);
+
+    stmp.type = type;
+    if (type == X509_LU_X509) {
+        data.x509.st_x509.cert_info = &data.x509.st_x509_cinf;
+        data.x509.st_x509_cinf.subject = name;
+        stmp.data.x509 = &data.x509.st_x509;
+        postfix = "";
+    } else if (type == X509_LU_CRL) {
+        data.crl.st_crl.crl = &data.crl.st_crl_info;
+        data.crl.st_crl_info.issuer = name;
+        stmp.data.crl = &data.crl.st_crl;
+        postfix = "r";
+    } else {
+        OPENSSL_PUT_ERROR(X509, X509_R_WRONG_LOOKUP_TYPE);
+        goto finish;
+    }
+
+    if ((b = BUF_MEM_new()) == NULL) {
+        OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
+        goto finish;
+    }
+
+    ctx = (BY_DIR *)xl->method_data;
+
+    hash_array[0] = X509_NAME_hash(name);
+    hash_array[1] = X509_NAME_hash_old(name);
+    for (hash_index = 0; hash_index < 2; ++hash_index) {
+        h = hash_array[hash_index];
+        for (i = 0; i < sk_BY_DIR_ENTRY_num(ctx->dirs); i++) {
+            BY_DIR_ENTRY *ent;
+            size_t idx;
+            BY_DIR_HASH htmp, *hent;
+            ent = sk_BY_DIR_ENTRY_value(ctx->dirs, i);
+            j = strlen(ent->dir) + 1 + 8 + 6 + 1 + 1;
+            if (!BUF_MEM_grow(b, j)) {
+                OPENSSL_PUT_ERROR(X509, ERR_R_MALLOC_FAILURE);
+                goto finish;
+            }
+            if (type == X509_LU_CRL && ent->hashes) {
+                htmp.hash = h;
+                CRYPTO_STATIC_MUTEX_lock_read(&g_ent_hashes_lock);
+                if (sk_BY_DIR_HASH_find(ent->hashes, &idx, &htmp)) {
+                    hent = sk_BY_DIR_HASH_value(ent->hashes, idx);
+                    k = hent->suffix;
+                } else {
+                    hent = NULL;
+                    k = 0;
+                }
+                CRYPTO_STATIC_MUTEX_unlock_read(&g_ent_hashes_lock);
+            } else {
+                k = 0;
+                hent = NULL;
+            }
+            for (;;) {
+                char c = '/';
+#ifdef OPENSSL_SYS_VMS
+                c = ent->dir[strlen(ent->dir) - 1];
+                if (c != ':' && c != '>' && c != ']') {
+                    /*
+                     * If no separator is present, we assume the directory
+                     * specifier is a logical name, and add a colon.  We
+                     * really should use better VMS routines for merging
+                     * things like this, but this will do for now... --
+                     * Richard Levitte
+                     */
+                    c = ':';
+                } else {
+                    c = '\0';
+                }
+#endif
+                if (c == '\0') {
+                    /*
+                     * This is special.  When c == '\0', no directory
+                     * separator should be added.
+                     */
+                    BIO_snprintf(b->data, b->max,
+                                 "%s%08lx.%s%d", ent->dir, h, postfix, k);
+                } else {
+                    BIO_snprintf(b->data, b->max,
+                                 "%s%c%08lx.%s%d", ent->dir, c, h,
+                                 postfix, k);
+                }
+#ifndef OPENSSL_NO_POSIX_IO
+# ifdef _WIN32
+#  define stat _stat
+# endif
+                {
+                    struct stat st;
+                    if (stat(b->data, &st) < 0)
+                        break;
+                }
+#endif
+                /* found one. */
+                if (type == X509_LU_X509) {
+                    if ((X509_load_cert_file(xl, b->data,
+                                             ent->dir_type)) == 0)
+                        break;
+                } else if (type == X509_LU_CRL) {
+                    if ((X509_load_crl_file(xl, b->data, ent->dir_type)) == 0)
+                        break;
+                }
+                /* else case will caught higher up */
+                k++;
+            }
+
+            /*
+             * we have added it to the cache so now pull it out again
+             */
+            CRYPTO_MUTEX_lock_write(&xl->store_ctx->objs_lock);
+            tmp = NULL;
+            if (sk_X509_OBJECT_find(xl->store_ctx->objs, &idx, &stmp)) {
+                tmp = sk_X509_OBJECT_value(xl->store_ctx->objs, idx);
+            }
+            CRYPTO_MUTEX_unlock_write(&xl->store_ctx->objs_lock);
+
+            /*
+             * If a CRL, update the last file suffix added for this
+             */
+
+            if (type == X509_LU_CRL) {
+                CRYPTO_STATIC_MUTEX_lock_write(&g_ent_hashes_lock);
+                /*
+                 * Look for entry again in case another thread added an entry
+                 * first.
+                 */
+                if (!hent) {
+                    htmp.hash = h;
+                    if (sk_BY_DIR_HASH_find(ent->hashes, &idx, &htmp))
+                        hent = sk_BY_DIR_HASH_value(ent->hashes, idx);
+                }
+                if (!hent) {
+                    hent = OPENSSL_malloc(sizeof(BY_DIR_HASH));
+                    if (hent == NULL) {
+                        CRYPTO_STATIC_MUTEX_unlock_write(&g_ent_hashes_lock);
+                        ok = 0;
+                        goto finish;
+                    }
+                    hent->hash = h;
+                    hent->suffix = k;
+                    if (!sk_BY_DIR_HASH_push(ent->hashes, hent)) {
+                        CRYPTO_STATIC_MUTEX_unlock_write(&g_ent_hashes_lock);
+                        OPENSSL_free(hent);
+                        ok = 0;
+                        goto finish;
+                    }
+                } else if (hent->suffix < k)
+                    hent->suffix = k;
+
+                CRYPTO_STATIC_MUTEX_unlock_write(&g_ent_hashes_lock);
+            }
+
+            if (tmp != NULL) {
+                ok = 1;
+                ret->type = tmp->type;
+                memcpy(&ret->data, &tmp->data, sizeof(ret->data));
+                /*
+                 * If we were going to up the reference count, we would need
+                 * to do it on a perl 'type' basis
+                 */
+                /*
+                 * CRYPTO_add(&tmp->data.x509->references,1,
+                 * CRYPTO_LOCK_X509);
+                 */
+                goto finish;
+            }
+        }
+    }
+ finish:
+    if (b != NULL)
+        BUF_MEM_free(b);
+    return (ok);
+}

external/boringssl/crypto/x509/by_file.c

@@ -0,0 +1,275 @@
+/* crypto/x509/by_file.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.] */
+
+#include <stdlib.h>
+
+#include <openssl/buf.h>
+#include <openssl/err.h>
+#include <openssl/lhash.h>
+#include <openssl/pem.h>
+#include <openssl/thread.h>
+
+#ifndef OPENSSL_NO_STDIO
+
+static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc,
+                        long argl, char **ret);
+static X509_LOOKUP_METHOD x509_file_lookup = {
+    "Load file into cache",
+    NULL,                       /* new */
+    NULL,                       /* free */
+    NULL,                       /* init */
+    NULL,                       /* shutdown */
+    by_file_ctrl,               /* ctrl */
+    NULL,                       /* get_by_subject */
+    NULL,                       /* get_by_issuer_serial */
+    NULL,                       /* get_by_fingerprint */
+    NULL,                       /* get_by_alias */
+};
+
+X509_LOOKUP_METHOD *X509_LOOKUP_file(void)
+{
+    return (&x509_file_lookup);
+}
+
+static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp,
+                        long argl, char **ret)
+{
+    int ok = 0;
+    char *file;
+
+    switch (cmd) {
+    case X509_L_FILE_LOAD:
+        if (argl == X509_FILETYPE_DEFAULT) {
+            file = (char *)getenv(X509_get_default_cert_file_env());
+            if (file)
+                ok = (X509_load_cert_crl_file(ctx, file,
+                                              X509_FILETYPE_PEM) != 0);
+
+            else
+                ok = (X509_load_cert_crl_file
+                      (ctx, X509_get_default_cert_file(),
+                       X509_FILETYPE_PEM) != 0);
+
+            if (!ok) {
+                OPENSSL_PUT_ERROR(X509, X509_R_LOADING_DEFAULTS);
+            }
+        } else {
+            if (argl == X509_FILETYPE_PEM)
+                ok = (X509_load_cert_crl_file(ctx, argp,
+                                              X509_FILETYPE_PEM) != 0);
+            else
+                ok = (X509_load_cert_file(ctx, argp, (int)argl) != 0);
+        }
+        break;
+    }
+    return (ok);
+}
+
+int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type)
+{
+    int ret = 0;
+    BIO *in = NULL;
+    int i, count = 0;
+    X509 *x = NULL;
+
+    if (file == NULL)
+        return (1);
+    in = BIO_new(BIO_s_file());
+
+    if ((in == NULL) || (BIO_read_filename(in, file) <= 0)) {
+        OPENSSL_PUT_ERROR(X509, ERR_R_SYS_LIB);
+        goto err;
+    }
+
+    if (type == X509_FILETYPE_PEM) {
+        for (;;) {
+            x = PEM_read_bio_X509_AUX(in, NULL, NULL, NULL);
+            if (x == NULL) {
+                if ((ERR_GET_REASON(ERR_peek_last_error()) ==
+                     PEM_R_NO_START_LINE) && (count > 0)) {
+                    ERR_clear_error();
+                    break;
+                } else {
+                    OPENSSL_PUT_ERROR(X509, ERR_R_PEM_LIB);
+                    goto err;
+                }
+            }
+            i = X509_STORE_add_cert(ctx->store_ctx, x);
+            if (!i)
+                goto err;
+            count++;
+            X509_free(x);
+            x = NULL;
+        }
+        ret = count;
+    } else if (type == X509_FILETYPE_ASN1) {
+        x = d2i_X509_bio(in, NULL);
+        if (x == NULL) {
+            OPENSSL_PUT_ERROR(X509, ERR_R_ASN1_LIB);
+            goto err;
+        }
+        i = X509_STORE_add_cert(ctx->store_ctx, x);
+        if (!i)
+            goto err;
+        ret = i;
+    } else {
+        OPENSSL_PUT_ERROR(X509, X509_R_BAD_X509_FILETYPE);
+        goto err;
+    }
+ err:
+    if (x != NULL)
+        X509_free(x);
+    if (in != NULL)
+        BIO_free(in);
+    return (ret);
+}
+
+int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type)
+{
+    int ret = 0;
+    BIO *in = NULL;
+    int i, count = 0;
+    X509_CRL *x = NULL;
+
+    if (file == NULL)
+        return (1);
+    in = BIO_new(BIO_s_file());
+
+    if ((in == NULL) || (BIO_read_filename(in, file) <= 0)) {
+        OPENSSL_PUT_ERROR(X509, ERR_R_SYS_LIB);
+        goto err;
+    }
+
+    if (type == X509_FILETYPE_PEM) {
+        for (;;) {
+            x = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
+            if (x == NULL) {
+                if ((ERR_GET_REASON(ERR_peek_last_error()) ==
+                     PEM_R_NO_START_LINE) && (count > 0)) {
+                    ERR_clear_error();
+                    break;
+                } else {
+                    OPENSSL_PUT_ERROR(X509, ERR_R_PEM_LIB);
+                    goto err;
+                }
+            }
+            i = X509_STORE_add_crl(ctx->store_ctx, x);
+            if (!i)
+                goto err;
+            count++;
+            X509_CRL_free(x);
+            x = NULL;
+        }
+        ret = count;
+    } else if (type == X509_FILETYPE_ASN1) {
+        x = d2i_X509_CRL_bio(in, NULL);
+        if (x == NULL) {
+            OPENSSL_PUT_ERROR(X509, ERR_R_ASN1_LIB);
+            goto err;
+        }
+        i = X509_STORE_add_crl(ctx->store_ctx, x);
+        if (!i)
+            goto err;
+        ret = i;
+    } else {
+        OPENSSL_PUT_ERROR(X509, X509_R_BAD_X509_FILETYPE);
+        goto err;
+    }
+ err:
+    if (x != NULL)
+        X509_CRL_free(x);
+    if (in != NULL)
+        BIO_free(in);
+    return (ret);
+}
+
+int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type)
+{
+    STACK_OF(X509_INFO) *inf;
+    X509_INFO *itmp;
+    BIO *in;
+    size_t i;
+    int count = 0;
+    if (type != X509_FILETYPE_PEM)
+        return X509_load_cert_file(ctx, file, type);
+    in = BIO_new_file(file, "r");
+    if (!in) {
+        OPENSSL_PUT_ERROR(X509, ERR_R_SYS_LIB);
+        return 0;
+    }
+    inf = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL);
+    BIO_free(in);
+    if (!inf) {
+        OPENSSL_PUT_ERROR(X509, ERR_R_PEM_LIB);
+        return 0;
+    }
+    for (i = 0; i < sk_X509_INFO_num(inf); i++) {
+        itmp = sk_X509_INFO_value(inf, i);
+        if (itmp->x509) {
+            X509_STORE_add_cert(ctx->store_ctx, itmp->x509);
+            count++;
+        }
+        if (itmp->crl) {
+            X509_STORE_add_crl(ctx->store_ctx, itmp->crl);
+            count++;
+        }
+    }
+    sk_X509_INFO_pop_free(inf, X509_INFO_free);
+    return count;
+}
+
+#endif                          /* OPENSSL_NO_STDIO */

external/boringssl/crypto/x509/charmap.h

@@ -0,0 +1,15 @@
+/*
+ * Auto generated with chartype.pl script. Mask of various character
+ * properties
+ */
+
+static const unsigned char char_type[] = {
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    120, 0, 1, 40, 0, 0, 0, 16, 16, 16, 0, 25, 25, 16, 16, 16,
+    16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 16, 9, 16,
+    0, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+    16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 0, 1, 0, 0, 0,
+    0, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+    16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 0, 0, 0, 0, 2
+};

external/boringssl/crypto/x509/i2d_pr.c

@@ -0,0 +1,83 @@
+/* crypto/asn1/i2d_pr.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.] */
+
+#include <openssl/asn1.h>
+#include <openssl/ec_key.h>
+#include <openssl/err.h>
+#include <openssl/evp.h>
+#include <openssl/rsa.h>
+#include <openssl/dsa.h>
+
+
+int i2d_PrivateKey(const EVP_PKEY *a, uint8_t **pp)
+{
+    switch (EVP_PKEY_id(a)) {
+    case EVP_PKEY_RSA:
+        return i2d_RSAPrivateKey(a->pkey.rsa, pp);
+    case EVP_PKEY_EC:
+        return i2d_ECPrivateKey(a->pkey.ec, pp);
+    case EVP_PKEY_DSA:
+        return i2d_DSAPrivateKey(a->pkey.dsa, pp);
+    default:
+        /*
+         * Although this file is in crypto/x509 for layering reasons, it emits
+         * an error code from ASN1 for OpenSSL compatibility.
+         */
+        OPENSSL_PUT_ERROR(ASN1, ASN1_R_UNSUPPORTED_PUBLIC_KEY_TYPE);
+        return -1;
+    }
+}

external/boringssl/crypto/x509/internal.h

@@ -0,0 +1,66 @@
+/* Copyright (c) 2016, Google Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
+
+#ifndef OPENSSL_HEADER_X509_INTERNAL_H
+#define OPENSSL_HEADER_X509_INTERNAL_H
+
+#include <openssl/base.h>
+#include <openssl/evp.h>
+#include <openssl/x509.h>
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+
+/* RSA-PSS functions. */
+
+/* x509_rsa_pss_to_ctx configures |ctx| for an RSA-PSS operation based on
+ * signature algorithm parameters in |sigalg| (which must have type
+ * |NID_rsassaPss|) and key |pkey|. It returns one on success and zero on
+ * error. */
+int x509_rsa_pss_to_ctx(EVP_MD_CTX *ctx, X509_ALGOR *sigalg, EVP_PKEY *pkey);
+
+/* x509_rsa_pss_to_ctx sets |algor| to the signature algorithm parameters for
+ * |ctx|, which must have been configured for an RSA-PSS signing operation. It
+ * returns one on success and zero on error. */
+int x509_rsa_ctx_to_pss(EVP_MD_CTX *ctx, X509_ALGOR *algor);
+
+/* x509_print_rsa_pss_params prints a human-readable representation of RSA-PSS
+ * parameters in |sigalg| to |bp|. It returns one on success and zero on
+ * error. */
+int x509_print_rsa_pss_params(BIO *bp, const X509_ALGOR *sigalg, int indent,
+                              ASN1_PCTX *pctx);
+
+
+/* Signature algorithm functions. */
+
+/* x509_digest_sign_algorithm encodes the signing parameters of |ctx| as an
+ * AlgorithmIdentifer and saves the result in |algor|. It returns one on
+ * success, or zero on error. */
+int x509_digest_sign_algorithm(EVP_MD_CTX *ctx, X509_ALGOR *algor);
+
+/* x509_digest_verify_init sets up |ctx| for a signature verification operation
+ * with public key |pkey| and parameters from |algor|. The |ctx| argument must
+ * have been initialised with |EVP_MD_CTX_init|. It returns one on success, or
+ * zero on error. */
+int x509_digest_verify_init(EVP_MD_CTX *ctx, X509_ALGOR *sigalg,
+                            EVP_PKEY *pkey);
+
+
+#if defined(__cplusplus)
+}  /* extern C */
+#endif
+
+#endif  /* OPENSSL_HEADER_X509_INTERNAL_H */

external/boringssl/crypto/x509/pkcs7.c

@@ -0,0 +1,353 @@
+/* Copyright (c) 2014, Google Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
+
+#include <openssl/x509.h>
+
+#include <assert.h>
+#include <limits.h>
+
+#include <openssl/bytestring.h>
+#include <openssl/err.h>
+#include <openssl/mem.h>
+#include <openssl/obj.h>
+#include <openssl/pem.h>
+#include <openssl/stack.h>
+
+#include "../bytestring/internal.h"
+
+
+/* pkcs7_parse_header reads the non-certificate/non-CRL prefix of a PKCS#7
+ * SignedData blob from |cbs| and sets |*out| to point to the rest of the
+ * input. If the input is in BER format, then |*der_bytes| will be set to a
+ * pointer that needs to be freed by the caller once they have finished
+ * processing |*out| (which will be pointing into |*der_bytes|).
+ *
+ * It returns one on success or zero on error. On error, |*der_bytes| is
+ * NULL. */
+static int pkcs7_parse_header(uint8_t **der_bytes, CBS *out, CBS *cbs) {
+  size_t der_len;
+  CBS in, content_info, content_type, wrapped_signed_data, signed_data;
+  uint64_t version;
+
+  /* The input may be in BER format. */
+  *der_bytes = NULL;
+  if (!CBS_asn1_ber_to_der(cbs, der_bytes, &der_len)) {
+    return 0;
+  }
+  if (*der_bytes != NULL) {
+    CBS_init(&in, *der_bytes, der_len);
+  } else {
+    CBS_init(&in, CBS_data(cbs), CBS_len(cbs));
+  }
+
+  /* See https://tools.ietf.org/html/rfc2315#section-7 */
+  if (!CBS_get_asn1(&in, &content_info, CBS_ASN1_SEQUENCE) ||
+      !CBS_get_asn1(&content_info, &content_type, CBS_ASN1_OBJECT)) {
+    goto err;
+  }
+
+  if (OBJ_cbs2nid(&content_type) != NID_pkcs7_signed) {
+    OPENSSL_PUT_ERROR(X509, X509_R_NOT_PKCS7_SIGNED_DATA);
+    goto err;
+  }
+
+  /* See https://tools.ietf.org/html/rfc2315#section-9.1 */
+  if (!CBS_get_asn1(&content_info, &wrapped_signed_data,
+                    CBS_ASN1_CONTEXT_SPECIFIC | CBS_ASN1_CONSTRUCTED | 0) ||
+      !CBS_get_asn1(&wrapped_signed_data, &signed_data, CBS_ASN1_SEQUENCE) ||
+      !CBS_get_asn1_uint64(&signed_data, &version) ||
+      !CBS_get_asn1(&signed_data, NULL /* digests */, CBS_ASN1_SET) ||
+      !CBS_get_asn1(&signed_data, NULL /* content */, CBS_ASN1_SEQUENCE)) {
+    goto err;
+  }
+
+  if (version < 1) {
+    OPENSSL_PUT_ERROR(X509, X509_R_BAD_PKCS7_VERSION);
+    goto err;
+  }
+
+  CBS_init(out, CBS_data(&signed_data), CBS_len(&signed_data));
+  return 1;
+
+err:
+  if (*der_bytes) {
+    OPENSSL_free(*der_bytes);
+    *der_bytes = NULL;
+  }
+
+  return 0;
+}
+
+int PKCS7_get_certificates(STACK_OF(X509) *out_certs, CBS *cbs) {
+  CBS signed_data, certificates;
+  uint8_t *der_bytes = NULL;
+  int ret = 0;
+  const size_t initial_certs_len = sk_X509_num(out_certs);
+
+  if (!pkcs7_parse_header(&der_bytes, &signed_data, cbs)) {
+    return 0;
+  }
+
+  /* See https://tools.ietf.org/html/rfc2315#section-9.1 */
+  if (!CBS_get_asn1(&signed_data, &certificates,
+                    CBS_ASN1_CONTEXT_SPECIFIC | CBS_ASN1_CONSTRUCTED | 0)) {
+    OPENSSL_PUT_ERROR(X509, X509_R_NO_CERTIFICATES_INCLUDED);
+    goto err;
+  }
+
+  while (CBS_len(&certificates) > 0) {
+    CBS cert;
+    X509 *x509;
+    const uint8_t *inp;
+
+    if (!CBS_get_asn1_element(&certificates, &cert, CBS_ASN1_SEQUENCE)) {
+      goto err;
+    }
+
+    if (CBS_len(&cert) > LONG_MAX) {
+      goto err;
+    }
+    inp = CBS_data(&cert);
+    x509 = d2i_X509(NULL, &inp, (long)CBS_len(&cert));
+    if (!x509) {
+      goto err;
+    }
+
+    assert(inp == CBS_data(&cert) + CBS_len(&cert));
+
+    if (sk_X509_push(out_certs, x509) == 0) {
+      X509_free(x509);
+      goto err;
+    }
+  }
+
+  ret = 1;
+
+err:
+  if (der_bytes) {
+    OPENSSL_free(der_bytes);
+  }
+
+  if (!ret) {
+    while (sk_X509_num(out_certs) != initial_certs_len) {
+      X509 *x509 = sk_X509_pop(out_certs);
+      X509_free(x509);
+    }
+  }
+
+  return ret;
+}
+
+int PKCS7_get_CRLs(STACK_OF(X509_CRL) *out_crls, CBS *cbs) {
+  CBS signed_data, crls;
+  uint8_t *der_bytes = NULL;
+  int ret = 0;
+  const size_t initial_crls_len = sk_X509_CRL_num(out_crls);
+
+  if (!pkcs7_parse_header(&der_bytes, &signed_data, cbs)) {
+    return 0;
+  }
+
+  /* See https://tools.ietf.org/html/rfc2315#section-9.1 */
+
+  /* Even if only CRLs are included, there may be an empty certificates block.
+   * OpenSSL does this, for example. */
+  if (CBS_peek_asn1_tag(&signed_data,
+                        CBS_ASN1_CONTEXT_SPECIFIC | CBS_ASN1_CONSTRUCTED | 0) &&
+      !CBS_get_asn1(&signed_data, NULL /* certificates */,
+                    CBS_ASN1_CONTEXT_SPECIFIC | CBS_ASN1_CONSTRUCTED | 0)) {
+    goto err;
+  }
+
+  if (!CBS_get_asn1(&signed_data, &crls,
+                    CBS_ASN1_CONTEXT_SPECIFIC | CBS_ASN1_CONSTRUCTED | 1)) {
+    OPENSSL_PUT_ERROR(X509, X509_R_NO_CRLS_INCLUDED);
+    goto err;
+  }
+
+  while (CBS_len(&crls) > 0) {
+    CBS crl_data;
+    X509_CRL *crl;
+    const uint8_t *inp;
+
+    if (!CBS_get_asn1_element(&crls, &crl_data, CBS_ASN1_SEQUENCE)) {
+      goto err;
+    }
+
+    if (CBS_len(&crl_data) > LONG_MAX) {
+      goto err;
+    }
+    inp = CBS_data(&crl_data);
+    crl = d2i_X509_CRL(NULL, &inp, (long)CBS_len(&crl_data));
+    if (!crl) {
+      goto err;
+    }
+
+    assert(inp == CBS_data(&crl_data) + CBS_len(&crl_data));
+
+    if (sk_X509_CRL_push(out_crls, crl) == 0) {
+      X509_CRL_free(crl);
+      goto err;
+    }
+  }
+
+  ret = 1;
+
+err:
+  if (der_bytes) {
+    OPENSSL_free(der_bytes);
+  }
+
+  if (!ret) {
+    while (sk_X509_CRL_num(out_crls) != initial_crls_len) {
+      X509_CRL_free(sk_X509_CRL_pop(out_crls));
+    }
+  }
+
+  return ret;
+}
+
+int PKCS7_get_PEM_certificates(STACK_OF(X509) *out_certs, BIO *pem_bio) {
+  uint8_t *data;
+  long len;
+  int ret;
+
+  /* Even though we pass PEM_STRING_PKCS7 as the expected PEM type here, PEM
+   * internally will actually allow several other values too, including
+   * "CERTIFICATE". */
+  if (!PEM_bytes_read_bio(&data, &len, NULL /* PEM type output */,
+                          PEM_STRING_PKCS7, pem_bio,
+                          NULL /* password callback */,
+                          NULL /* password callback argument */)) {
+    return 0;
+  }
+
+  CBS cbs;
+  CBS_init(&cbs, data, len);
+  ret = PKCS7_get_certificates(out_certs, &cbs);
+  OPENSSL_free(data);
+  return ret;
+}
+
+int PKCS7_get_PEM_CRLs(STACK_OF(X509_CRL) *out_crls, BIO *pem_bio) {
+  uint8_t *data;
+  long len;
+  int ret;
+
+  /* Even though we pass PEM_STRING_PKCS7 as the expected PEM type here, PEM
+   * internally will actually allow several other values too, including
+   * "CERTIFICATE". */
+  if (!PEM_bytes_read_bio(&data, &len, NULL /* PEM type output */,
+                          PEM_STRING_PKCS7, pem_bio,
+                          NULL /* password callback */,
+                          NULL /* password callback argument */)) {
+    return 0;
+  }
+
+  CBS cbs;
+  CBS_init(&cbs, data, len);
+  ret = PKCS7_get_CRLs(out_crls, &cbs);
+  OPENSSL_free(data);
+  return ret;
+}
+
+/* pkcs7_bundle writes a PKCS#7, SignedData structure to |out| and then calls
+ * |cb| with a CBB to which certificate or CRL data can be written, and the
+ * opaque context pointer, |arg|. The callback can return zero to indicate an
+ * error.
+ *
+ * pkcs7_bundle returns one on success or zero on error. */
+static int pkcs7_bundle(CBB *out, int (*cb)(CBB *out, const void *arg),
+                        const void *arg) {
+  CBB outer_seq, wrapped_seq, seq, version_bytes, digest_algos_set,
+      content_info;
+
+  /* See https://tools.ietf.org/html/rfc2315#section-7 */
+  if (!CBB_add_asn1(out, &outer_seq, CBS_ASN1_SEQUENCE) ||
+      !OBJ_nid2cbb(&outer_seq, NID_pkcs7_signed) ||
+      !CBB_add_asn1(&outer_seq, &wrapped_seq,
+                    CBS_ASN1_CONTEXT_SPECIFIC | CBS_ASN1_CONSTRUCTED | 0) ||
+      /* See https://tools.ietf.org/html/rfc2315#section-9.1 */
+      !CBB_add_asn1(&wrapped_seq, &seq, CBS_ASN1_SEQUENCE) ||
+      !CBB_add_asn1(&seq, &version_bytes, CBS_ASN1_INTEGER) ||
+      !CBB_add_u8(&version_bytes, 1) ||
+      !CBB_add_asn1(&seq, &digest_algos_set, CBS_ASN1_SET) ||
+      !CBB_add_asn1(&seq, &content_info, CBS_ASN1_SEQUENCE) ||
+      !OBJ_nid2cbb(&content_info, NID_pkcs7_data) ||
+      !cb(&seq, arg)) {
+    return 0;
+  }
+
+  return CBB_flush(out);
+}
+
+static int pkcs7_bundle_certificates_cb(CBB *out, const void *arg) {
+  const STACK_OF(X509) *certs = arg;
+  size_t i;
+  CBB certificates;
+
+  /* See https://tools.ietf.org/html/rfc2315#section-9.1 */
+  if (!CBB_add_asn1(out, &certificates,
+                    CBS_ASN1_CONTEXT_SPECIFIC | CBS_ASN1_CONSTRUCTED | 0)) {
+    return 0;
+  }
+
+  for (i = 0; i < sk_X509_num(certs); i++) {
+    X509 *x509 = sk_X509_value(certs, i);
+    uint8_t *buf;
+    int len = i2d_X509(x509, NULL);
+
+    if (len < 0 ||
+        !CBB_add_space(&certificates, &buf, len) ||
+        i2d_X509(x509, &buf) < 0) {
+      return 0;
+    }
+  }
+
+  return CBB_flush(out);
+}
+
+int PKCS7_bundle_certificates(CBB *out, const STACK_OF(X509) *certs) {
+  return pkcs7_bundle(out, pkcs7_bundle_certificates_cb, certs);
+}
+
+static int pkcs7_bundle_crls_cb(CBB *out, const void *arg) {
+  const STACK_OF(X509_CRL) *crls = arg;
+  size_t i;
+  CBB crl_data;
+
+  /* See https://tools.ietf.org/html/rfc2315#section-9.1 */
+  if (!CBB_add_asn1(out, &crl_data,
+                    CBS_ASN1_CONTEXT_SPECIFIC | CBS_ASN1_CONSTRUCTED | 1)) {
+    return 0;
+  }
+
+  for (i = 0; i < sk_X509_CRL_num(crls); i++) {
+    X509_CRL *crl = sk_X509_CRL_value(crls, i);
+    uint8_t *buf;
+    int len = i2d_X509_CRL(crl, NULL);
+
+    if (len < 0 ||
+        !CBB_add_space(&crl_data, &buf, len) ||
+        i2d_X509_CRL(crl, &buf) < 0) {
+      return 0;
+    }
+  }
+
+  return CBB_flush(out);
+}
+
+int PKCS7_bundle_CRLs(CBB *out, const STACK_OF(X509_CRL) *crls) {
+  return pkcs7_bundle(out, pkcs7_bundle_crls_cb, crls);
+}

external/boringssl/crypto/x509/rsa_pss.c

@@ -0,0 +1,385 @@
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+ * project 2006.
+ */
+/* ====================================================================
+ * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com). */
+
+#include <openssl/x509.h>
+
+#include <assert.h>
+
+#include <openssl/asn1.h>
+#include <openssl/asn1t.h>
+#include <openssl/bio.h>
+#include <openssl/evp.h>
+#include <openssl/err.h>
+#include <openssl/obj.h>
+
+#include "internal.h"
+
+
+ASN1_SEQUENCE(RSA_PSS_PARAMS) = {
+  ASN1_EXP_OPT(RSA_PSS_PARAMS, hashAlgorithm, X509_ALGOR,0),
+  ASN1_EXP_OPT(RSA_PSS_PARAMS, maskGenAlgorithm, X509_ALGOR,1),
+  ASN1_EXP_OPT(RSA_PSS_PARAMS, saltLength, ASN1_INTEGER,2),
+  ASN1_EXP_OPT(RSA_PSS_PARAMS, trailerField, ASN1_INTEGER,3),
+} ASN1_SEQUENCE_END(RSA_PSS_PARAMS);
+
+IMPLEMENT_ASN1_FUNCTIONS(RSA_PSS_PARAMS);
+
+
+/* Given an MGF1 Algorithm ID decode to an Algorithm Identifier */
+static X509_ALGOR *rsa_mgf1_decode(X509_ALGOR *alg) {
+  if (alg == NULL || alg->parameter == NULL ||
+      OBJ_obj2nid(alg->algorithm) != NID_mgf1 ||
+      alg->parameter->type != V_ASN1_SEQUENCE) {
+    return NULL;
+  }
+
+  const uint8_t *p = alg->parameter->value.sequence->data;
+  int plen = alg->parameter->value.sequence->length;
+  return d2i_X509_ALGOR(NULL, &p, plen);
+}
+
+static RSA_PSS_PARAMS *rsa_pss_decode(const X509_ALGOR *alg,
+                                      X509_ALGOR **pmaskHash) {
+  *pmaskHash = NULL;
+
+  if (alg->parameter == NULL || alg->parameter->type != V_ASN1_SEQUENCE) {
+    return NULL;
+  }
+
+  const uint8_t *p = alg->parameter->value.sequence->data;
+  int plen = alg->parameter->value.sequence->length;
+  RSA_PSS_PARAMS *pss = d2i_RSA_PSS_PARAMS(NULL, &p, plen);
+  if (pss == NULL) {
+    return NULL;
+  }
+
+  *pmaskHash = rsa_mgf1_decode(pss->maskGenAlgorithm);
+  return pss;
+}
+
+/* allocate and set algorithm ID from EVP_MD, default SHA1 */
+static int rsa_md_to_algor(X509_ALGOR **palg, const EVP_MD *md) {
+  if (EVP_MD_type(md) == NID_sha1) {
+    return 1;
+  }
+  *palg = X509_ALGOR_new();
+  if (*palg == NULL) {
+    return 0;
+  }
+  X509_ALGOR_set_md(*palg, md);
+  return 1;
+}
+
+/* Allocate and set MGF1 algorithm ID from EVP_MD */
+static int rsa_md_to_mgf1(X509_ALGOR **palg, const EVP_MD *mgf1md) {
+  X509_ALGOR *algtmp = NULL;
+  ASN1_STRING *stmp = NULL;
+  *palg = NULL;
+
+  if (EVP_MD_type(mgf1md) == NID_sha1) {
+    return 1;
+  }
+  /* need to embed algorithm ID inside another */
+  if (!rsa_md_to_algor(&algtmp, mgf1md) ||
+      !ASN1_item_pack(algtmp, ASN1_ITEM_rptr(X509_ALGOR), &stmp)) {
+    goto err;
+  }
+  *palg = X509_ALGOR_new();
+  if (!*palg) {
+    goto err;
+  }
+  X509_ALGOR_set0(*palg, OBJ_nid2obj(NID_mgf1), V_ASN1_SEQUENCE, stmp);
+  stmp = NULL;
+
+err:
+  ASN1_STRING_free(stmp);
+  X509_ALGOR_free(algtmp);
+  if (*palg) {
+    return 1;
+  }
+
+  return 0;
+}
+
+/* convert algorithm ID to EVP_MD, default SHA1 */
+static const EVP_MD *rsa_algor_to_md(X509_ALGOR *alg) {
+  const EVP_MD *md;
+  if (!alg) {
+    return EVP_sha1();
+  }
+  md = EVP_get_digestbyobj(alg->algorithm);
+  if (md == NULL) {
+    OPENSSL_PUT_ERROR(X509, X509_R_INVALID_PSS_PARAMETERS);
+  }
+  return md;
+}
+
+/* convert MGF1 algorithm ID to EVP_MD, default SHA1 */
+static const EVP_MD *rsa_mgf1_to_md(X509_ALGOR *alg, X509_ALGOR *maskHash) {
+  const EVP_MD *md;
+  if (!alg) {
+    return EVP_sha1();
+  }
+  /* Check mask and lookup mask hash algorithm */
+  if (OBJ_obj2nid(alg->algorithm) != NID_mgf1 ||
+      maskHash == NULL) {
+    OPENSSL_PUT_ERROR(X509, X509_R_INVALID_PSS_PARAMETERS);
+    return NULL;
+  }
+  md = EVP_get_digestbyobj(maskHash->algorithm);
+  if (md == NULL) {
+    OPENSSL_PUT_ERROR(X509, X509_R_INVALID_PSS_PARAMETERS);
+    return NULL;
+  }
+  return md;
+}
+
+int x509_rsa_ctx_to_pss(EVP_MD_CTX *ctx, X509_ALGOR *algor) {
+  const EVP_MD *sigmd, *mgf1md;
+  int saltlen;
+  if (!EVP_PKEY_CTX_get_signature_md(ctx->pctx, &sigmd) ||
+      !EVP_PKEY_CTX_get_rsa_mgf1_md(ctx->pctx, &mgf1md) ||
+      !EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx->pctx, &saltlen)) {
+    return 0;
+  }
+
+  EVP_PKEY *pk = EVP_PKEY_CTX_get0_pkey(ctx->pctx);
+  if (saltlen == -1) {
+    saltlen = EVP_MD_size(sigmd);
+  } else if (saltlen == -2) {
+    saltlen = EVP_PKEY_size(pk) - EVP_MD_size(sigmd) - 2;
+    if (((EVP_PKEY_bits(pk) - 1) & 0x7) == 0) {
+      saltlen--;
+    }
+  } else {
+    return 0;
+  }
+
+  int ret = 0;
+  ASN1_STRING *os = NULL;
+  RSA_PSS_PARAMS *pss = RSA_PSS_PARAMS_new();
+  if (!pss) {
+    goto err;
+  }
+
+  if (saltlen != 20) {
+    pss->saltLength = ASN1_INTEGER_new();
+    if (!pss->saltLength ||
+        !ASN1_INTEGER_set(pss->saltLength, saltlen)) {
+      goto err;
+    }
+  }
+
+  if (!rsa_md_to_algor(&pss->hashAlgorithm, sigmd) ||
+      !rsa_md_to_mgf1(&pss->maskGenAlgorithm, mgf1md)) {
+    goto err;
+  }
+
+  /* Finally create string with pss parameter encoding. */
+  if (!ASN1_item_pack(pss, ASN1_ITEM_rptr(RSA_PSS_PARAMS), &os)) {
+    goto err;
+  }
+
+  X509_ALGOR_set0(algor, OBJ_nid2obj(NID_rsassaPss), V_ASN1_SEQUENCE, os);
+  os = NULL;
+  ret = 1;
+
+err:
+  RSA_PSS_PARAMS_free(pss);
+  ASN1_STRING_free(os);
+  return ret;
+}
+
+int x509_rsa_pss_to_ctx(EVP_MD_CTX *ctx, X509_ALGOR *sigalg, EVP_PKEY *pkey) {
+  assert(OBJ_obj2nid(sigalg->algorithm) == NID_rsassaPss);
+
+  /* Decode PSS parameters */
+  int ret = 0;
+  X509_ALGOR *maskHash;
+  RSA_PSS_PARAMS *pss = rsa_pss_decode(sigalg, &maskHash);
+  if (pss == NULL) {
+    OPENSSL_PUT_ERROR(X509, X509_R_INVALID_PSS_PARAMETERS);
+    goto err;
+  }
+
+  const EVP_MD *mgf1md = rsa_mgf1_to_md(pss->maskGenAlgorithm, maskHash);
+  const EVP_MD *md = rsa_algor_to_md(pss->hashAlgorithm);
+  if (mgf1md == NULL || md == NULL) {
+    goto err;
+  }
+
+  int saltlen = 20;
+  if (pss->saltLength != NULL) {
+    saltlen = ASN1_INTEGER_get(pss->saltLength);
+
+    /* Could perform more salt length sanity checks but the main
+     * RSA routines will trap other invalid values anyway. */
+    if (saltlen < 0) {
+      OPENSSL_PUT_ERROR(X509, X509_R_INVALID_PSS_PARAMETERS);
+      goto err;
+    }
+  }
+
+  /* low-level routines support only trailer field 0xbc (value 1)
+   * and PKCS#1 says we should reject any other value anyway. */
+  if (pss->trailerField != NULL && ASN1_INTEGER_get(pss->trailerField) != 1) {
+    OPENSSL_PUT_ERROR(X509, X509_R_INVALID_PSS_PARAMETERS);
+    goto err;
+  }
+
+  EVP_PKEY_CTX *pkctx;
+  if (!EVP_DigestVerifyInit(ctx, &pkctx, md, NULL, pkey) ||
+      !EVP_PKEY_CTX_set_rsa_padding(pkctx, RSA_PKCS1_PSS_PADDING) ||
+      !EVP_PKEY_CTX_set_rsa_pss_saltlen(pkctx, saltlen) ||
+      !EVP_PKEY_CTX_set_rsa_mgf1_md(pkctx, mgf1md)) {
+    goto err;
+  }
+
+  ret = 1;
+
+err:
+  RSA_PSS_PARAMS_free(pss);
+  X509_ALGOR_free(maskHash);
+  return ret;
+}
+
+int x509_print_rsa_pss_params(BIO *bp, const X509_ALGOR *sigalg, int indent,
+                              ASN1_PCTX *pctx) {
+  assert(OBJ_obj2nid(sigalg->algorithm) == NID_rsassaPss);
+
+  int rv = 0;
+  X509_ALGOR *maskHash;
+  RSA_PSS_PARAMS *pss = rsa_pss_decode(sigalg, &maskHash);
+  if (!pss) {
+    if (BIO_puts(bp, " (INVALID PSS PARAMETERS)\n") <= 0) {
+      goto err;
+    }
+    rv = 1;
+    goto err;
+  }
+
+  if (BIO_puts(bp, "\n") <= 0 ||
+      !BIO_indent(bp, indent, 128) ||
+      BIO_puts(bp, "Hash Algorithm: ") <= 0) {
+    goto err;
+  }
+
+  if (pss->hashAlgorithm) {
+    if (i2a_ASN1_OBJECT(bp, pss->hashAlgorithm->algorithm) <= 0) {
+      goto err;
+    }
+  } else if (BIO_puts(bp, "sha1 (default)") <= 0) {
+    goto err;
+  }
+
+  if (BIO_puts(bp, "\n") <= 0 ||
+      !BIO_indent(bp, indent, 128) ||
+      BIO_puts(bp, "Mask Algorithm: ") <= 0) {
+    goto err;
+  }
+
+  if (pss->maskGenAlgorithm) {
+    if (i2a_ASN1_OBJECT(bp, pss->maskGenAlgorithm->algorithm) <= 0 ||
+        BIO_puts(bp, " with ") <= 0) {
+      goto err;
+    }
+
+    if (maskHash) {
+      if (i2a_ASN1_OBJECT(bp, maskHash->algorithm) <= 0) {
+        goto err;
+      }
+    } else if (BIO_puts(bp, "INVALID") <= 0) {
+      goto err;
+    }
+  } else if (BIO_puts(bp, "mgf1 with sha1 (default)") <= 0) {
+    goto err;
+  }
+  BIO_puts(bp, "\n");
+
+  if (!BIO_indent(bp, indent, 128) ||
+      BIO_puts(bp, "Salt Length: 0x") <= 0) {
+    goto err;
+  }
+
+  if (pss->saltLength) {
+    if (i2a_ASN1_INTEGER(bp, pss->saltLength) <= 0) {
+      goto err;
+    }
+  } else if (BIO_puts(bp, "14 (default)") <= 0) {
+    goto err;
+  }
+  BIO_puts(bp, "\n");
+
+  if (!BIO_indent(bp, indent, 128) ||
+      BIO_puts(bp, "Trailer Field: 0x") <= 0) {
+    goto err;
+  }
+
+  if (pss->trailerField) {
+    if (i2a_ASN1_INTEGER(bp, pss->trailerField) <= 0) {
+      goto err;
+    }
+  } else if (BIO_puts(bp, "BC (default)") <= 0) {
+    goto err;
+  }
+  BIO_puts(bp, "\n");
+
+  rv = 1;
+
+err:
+  RSA_PSS_PARAMS_free(pss);
+  X509_ALGOR_free(maskHash);
+  return rv;
+}

external/boringssl/crypto/x509/t_crl.c

@@ -0,0 +1,128 @@
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.] */
+
+#include <openssl/asn1.h>
+#include <openssl/err.h>
+#include <openssl/mem.h>
+#include <openssl/obj.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+
+#ifndef OPENSSL_NO_FP_API
+int X509_CRL_print_fp(FILE *fp, X509_CRL *x)
+{
+    BIO *b;
+    int ret;
+
+    if ((b = BIO_new(BIO_s_file())) == NULL) {
+        OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
+        return (0);
+    }
+    BIO_set_fp(b, fp, BIO_NOCLOSE);
+    ret = X509_CRL_print(b, x);
+    BIO_free(b);
+    return (ret);
+}
+#endif
+
+int X509_CRL_print(BIO *out, X509_CRL *x)
+{
+    STACK_OF(X509_REVOKED) *rev;
+    X509_REVOKED *r;
+    long l;
+    size_t i;
+    char *p;
+
+    BIO_printf(out, "Certificate Revocation List (CRL):\n");
+    l = X509_CRL_get_version(x);
+    BIO_printf(out, "%8sVersion %lu (0x%lx)\n", "", l + 1, l);
+    X509_signature_print(out, x->sig_alg, NULL);
+    p = X509_NAME_oneline(X509_CRL_get_issuer(x), NULL, 0);
+    BIO_printf(out, "%8sIssuer: %s\n", "", p);
+    OPENSSL_free(p);
+    BIO_printf(out, "%8sLast Update: ", "");
+    ASN1_TIME_print(out, X509_CRL_get_lastUpdate(x));
+    BIO_printf(out, "\n%8sNext Update: ", "");
+    if (X509_CRL_get_nextUpdate(x))
+        ASN1_TIME_print(out, X509_CRL_get_nextUpdate(x));
+    else
+        BIO_printf(out, "NONE");
+    BIO_printf(out, "\n");
+
+    X509V3_extensions_print(out, "CRL extensions", x->crl->extensions, 0, 8);
+
+    rev = X509_CRL_get_REVOKED(x);
+
+    if (sk_X509_REVOKED_num(rev) > 0)
+        BIO_printf(out, "Revoked Certificates:\n");
+    else
+        BIO_printf(out, "No Revoked Certificates.\n");
+
+    for (i = 0; i < sk_X509_REVOKED_num(rev); i++) {
+        r = sk_X509_REVOKED_value(rev, i);
+        BIO_printf(out, "    Serial Number: ");
+        i2a_ASN1_INTEGER(out, r->serialNumber);
+        BIO_printf(out, "\n        Revocation Date: ");
+        ASN1_TIME_print(out, r->revocationDate);
+        BIO_printf(out, "\n");
+        X509V3_extensions_print(out, "CRL entry extensions",
+                                r->extensions, 0, 8);
+    }
+    X509_signature_print(out, x->sig_alg, x->signature);
+
+    return 1;
+
+}

external/boringssl/crypto/x509/t_req.c

@@ -0,0 +1,246 @@
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.] */
+
+#include <stdio.h>
+
+#include <openssl/bn.h>
+#include <openssl/buffer.h>
+#include <openssl/err.h>
+#include <openssl/objects.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+
+
+int X509_REQ_print_fp(FILE *fp, X509_REQ *x) {
+  BIO *bio = BIO_new(BIO_s_file());
+  if (bio == NULL) {
+    OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
+    return 0;
+  }
+
+  BIO_set_fp(bio, fp, BIO_NOCLOSE);
+  int ret = X509_REQ_print(bio, x);
+  BIO_free(bio);
+  return ret;
+}
+
+int X509_REQ_print_ex(BIO *bio, X509_REQ *x, unsigned long nmflags,
+                      unsigned long cflag) {
+  long l;
+  EVP_PKEY *pkey;
+  STACK_OF(X509_ATTRIBUTE) * sk;
+  char mlch = ' ';
+
+  int nmindent = 0;
+
+  if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
+    mlch = '\n';
+    nmindent = 12;
+  }
+
+  if (nmflags == X509_FLAG_COMPAT) {
+    nmindent = 16;
+  }
+
+  X509_REQ_INFO *ri = x->req_info;
+  if (!(cflag & X509_FLAG_NO_HEADER)) {
+    if (BIO_write(bio, "Certificate Request:\n", 21) <= 0 ||
+        BIO_write(bio, "    Data:\n", 10) <= 0) {
+      goto err;
+    }
+  }
+  if (!(cflag & X509_FLAG_NO_VERSION)) {
+    l = X509_REQ_get_version(x);
+    if (BIO_printf(bio, "%8sVersion: %ld (0x%lx)\n", "", l + 1, l) <= 0) {
+      goto err;
+    }
+  }
+  if (!(cflag & X509_FLAG_NO_SUBJECT)) {
+    if (BIO_printf(bio, "        Subject:%c", mlch) <= 0 ||
+        X509_NAME_print_ex(bio, ri->subject, nmindent, nmflags) < 0 ||
+        BIO_write(bio, "\n", 1) <= 0) {
+      goto err;
+    }
+  }
+  if (!(cflag & X509_FLAG_NO_PUBKEY)) {
+    if (BIO_write(bio, "        Subject Public Key Info:\n", 33) <= 0 ||
+        BIO_printf(bio, "%12sPublic Key Algorithm: ", "") <= 0 ||
+        i2a_ASN1_OBJECT(bio, ri->pubkey->algor->algorithm) <= 0 ||
+        BIO_puts(bio, "\n") <= 0) {
+      goto err;
+    }
+
+    pkey = X509_REQ_get_pubkey(x);
+    if (pkey == NULL) {
+      BIO_printf(bio, "%12sUnable to load Public Key\n", "");
+      ERR_print_errors(bio);
+    } else {
+      EVP_PKEY_print_public(bio, pkey, 16, NULL);
+      EVP_PKEY_free(pkey);
+    }
+  }
+
+  if (!(cflag & X509_FLAG_NO_ATTRIBUTES)) {
+    if (BIO_printf(bio, "%8sAttributes:\n", "") <= 0) {
+      goto err;
+    }
+
+    sk = x->req_info->attributes;
+    if (sk_X509_ATTRIBUTE_num(sk) == 0) {
+      if (BIO_printf(bio, "%12sa0:00\n", "") <= 0) {
+        goto err;
+      }
+    } else {
+      size_t i;
+      for (i = 0; i < sk_X509_ATTRIBUTE_num(sk); i++) {
+        X509_ATTRIBUTE *a = sk_X509_ATTRIBUTE_value(sk, i);
+        ASN1_OBJECT *aobj = X509_ATTRIBUTE_get0_object(a);
+
+        if (X509_REQ_extension_nid(OBJ_obj2nid(aobj))) {
+          continue;
+        }
+
+        if (BIO_printf(bio, "%12s", "") <= 0) {
+          goto err;
+        }
+
+        const int num_attrs = X509_ATTRIBUTE_count(a);
+        const int obj_str_len = i2a_ASN1_OBJECT(bio, aobj);
+        if (obj_str_len <= 0) {
+          if (BIO_puts(bio, "(Unable to print attribute ID.)\n") < 0) {
+            goto err;
+          } else {
+            continue;
+          }
+        }
+
+        int j;
+        for (j = 0; j < num_attrs; j++) {
+          const ASN1_TYPE *at = X509_ATTRIBUTE_get0_type(a, j);
+          const int type = at->type;
+          ASN1_BIT_STRING *bs = at->value.asn1_string;
+
+          int k;
+          for (k = 25 - obj_str_len; k > 0; k--) {
+            if (BIO_write(bio, " ", 1) != 1) {
+              goto err;
+            }
+          }
+
+          if (BIO_puts(bio, ":") <= 0) {
+            goto err;
+          }
+
+          if (type == V_ASN1_PRINTABLESTRING ||
+              type == V_ASN1_UTF8STRING ||
+              type == V_ASN1_IA5STRING ||
+              type == V_ASN1_T61STRING) {
+            if (BIO_write(bio, (char *)bs->data, bs->length) != bs->length) {
+              goto err;
+            }
+            BIO_puts(bio, "\n");
+          } else {
+            BIO_puts(bio, "unable to print attribute\n");
+          }
+        }
+      }
+    }
+  }
+
+  if (!(cflag & X509_FLAG_NO_EXTENSIONS)) {
+    STACK_OF(X509_EXTENSION) *exts = X509_REQ_get_extensions(x);
+    if (exts) {
+      BIO_printf(bio, "%8sRequested Extensions:\n", "");
+
+      size_t i;
+      for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
+        X509_EXTENSION *ex = sk_X509_EXTENSION_value(exts, i);
+        if (BIO_printf(bio, "%12s", "") <= 0) {
+          goto err;
+        }
+        ASN1_OBJECT *obj = X509_EXTENSION_get_object(ex);
+        i2a_ASN1_OBJECT(bio, obj);
+        const int is_critical = X509_EXTENSION_get_critical(ex);
+        if (BIO_printf(bio, ": %s\n", is_critical ? "critical" : "") <= 0) {
+          goto err;
+        }
+        if (!X509V3_EXT_print(bio, ex, cflag, 16)) {
+          BIO_printf(bio, "%16s", "");
+          ASN1_STRING_print(bio, X509_EXTENSION_get_data(ex));
+        }
+        if (BIO_write(bio, "\n", 1) <= 0) {
+          goto err;
+        }
+      }
+      sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
+    }
+  }
+
+  if (!(cflag & X509_FLAG_NO_SIGDUMP) &&
+      !X509_signature_print(bio, x->sig_alg, x->signature)) {
+    goto err;
+  }
+
+  return 1;
+
+err:
+  OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
+  return 0;
+}
+
+int X509_REQ_print(BIO *bio, X509_REQ *req) {
+  return X509_REQ_print_ex(bio, req, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
+}

external/boringssl/crypto/x509/t_x509a.c

@@ -0,0 +1,111 @@
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.] */
+
+#include <openssl/asn1.h>
+#include <openssl/bio.h>
+#include <openssl/mem.h>
+#include <openssl/obj.h>
+#include <openssl/x509.h>
+
+/* X509_CERT_AUX and string set routines */
+
+int X509_CERT_AUX_print(BIO *out, X509_CERT_AUX *aux, int indent)
+{
+    char oidstr[80], first;
+    size_t i;
+    int j;
+    if (!aux)
+        return 1;
+    if (aux->trust) {
+        first = 1;
+        BIO_printf(out, "%*sTrusted Uses:\n%*s", indent, "", indent + 2, "");
+        for (i = 0; i < sk_ASN1_OBJECT_num(aux->trust); i++) {
+            if (!first)
+                BIO_puts(out, ", ");
+            else
+                first = 0;
+            OBJ_obj2txt(oidstr, sizeof oidstr,
+                        sk_ASN1_OBJECT_value(aux->trust, i), 0);
+            BIO_puts(out, oidstr);
+        }
+        BIO_puts(out, "\n");
+    } else
+        BIO_printf(out, "%*sNo Trusted Uses.\n", indent, "");
+    if (aux->reject) {
+        first = 1;
+        BIO_printf(out, "%*sRejected Uses:\n%*s", indent, "", indent + 2, "");
+        for (i = 0; i < sk_ASN1_OBJECT_num(aux->reject); i++) {
+            if (!first)
+                BIO_puts(out, ", ");
+            else
+                first = 0;
+            OBJ_obj2txt(oidstr, sizeof oidstr,
+                        sk_ASN1_OBJECT_value(aux->reject, i), 0);
+            BIO_puts(out, oidstr);
+        }
+        BIO_puts(out, "\n");
+    } else
+        BIO_printf(out, "%*sNo Rejected Uses.\n", indent, "");
+    if (aux->alias)
+        BIO_printf(out, "%*sAlias: %s\n", indent, "", aux->alias->data);
+    if (aux->keyid) {
+        BIO_printf(out, "%*sKey Id: ", indent, "");
+        for (j = 0; j < aux->keyid->length; j++)
+            BIO_printf(out, "%s%02X", j ? ":" : "", aux->keyid->data[j]);
+        BIO_write(out, "\n", 1);
+    }
+    return 1;
+}

external/boringssl/crypto/x509/vpm_int.h

@@ -0,0 +1,70 @@
+/* vpm_int.h */
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
+ * 2013.
+ */
+/* ====================================================================
+ * Copyright (c) 2013 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+/* internal only structure to hold additional X509_VERIFY_PARAM data */
+
+struct X509_VERIFY_PARAM_ID_st {
+    STACK_OF(OPENSSL_STRING) *hosts; /* Set of acceptable names */
+    unsigned int hostflags;     /* Flags to control matching features */
+    char *peername;             /* Matching hostname in peer certificate */
+    char *email;                /* If not NULL email address to match */
+    size_t emaillen;
+    unsigned char *ip;          /* If not NULL IP address to match */
+    size_t iplen;               /* Length of IP address */
+};