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378 lines
11 KiB
C
378 lines
11 KiB
C
/*
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* softoken.h - private data structures and prototypes for the softoken lib
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef _SOFTOKEN_H_
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#define _SOFTOKEN_H_
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#include "blapi.h"
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#include "lowkeyti.h"
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#include "softoknt.h"
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#include "secoidt.h"
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#include "pkcs11t.h"
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SEC_BEGIN_PROTOS
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/*
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** RSA encryption/decryption. When encrypting/decrypting the output
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** buffer must be at least the size of the public key modulus.
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*/
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/*
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** Format some data into a PKCS#1 encryption block, preparing the
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** data for RSA encryption.
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** "result" where the formatted block is stored (memory is allocated)
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** "modulusLen" the size of the formatted block
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** "blockType" what block type to use (SEC_RSABlock*)
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** "data" the data to format
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*/
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extern SECStatus RSA_FormatBlock(SECItem *result,
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unsigned int modulusLen,
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RSA_BlockType blockType,
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SECItem *data);
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/*
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** Similar, but just returns a pointer to the allocated memory, *and*
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** will *only* format one block, even if we (in the future) modify
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** RSA_FormatBlock() to loop over multiples of modulusLen.
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*/
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extern unsigned char *RSA_FormatOneBlock(unsigned int modulusLen,
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RSA_BlockType blockType,
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SECItem *data);
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/*
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* convenience wrappers for doing single RSA operations. They create the
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* RSA context internally and take care of the formatting
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* requirements. Blinding happens automagically within RSA_Sign and
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* RSA_DecryptBlock.
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*/
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extern
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SECStatus RSA_Sign(NSSLOWKEYPrivateKey *key, unsigned char *output,
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unsigned int *outputLen, unsigned int maxOutputLen,
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unsigned char *input, unsigned int inputLen);
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extern
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SECStatus RSA_HashSign(SECOidTag hashOid,
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NSSLOWKEYPrivateKey *key, unsigned char *sig,
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unsigned int *sigLen, unsigned int maxLen,
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unsigned char *hash, unsigned int hashLen);
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extern
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SECStatus RSA_SignPSS(CK_RSA_PKCS_PSS_PARAMS *pss_params,
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NSSLOWKEYPrivateKey *key,
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unsigned char *output, unsigned int *output_len,
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unsigned int max_output_len, const unsigned char *input,
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unsigned int input_len);
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extern
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SECStatus RSA_CheckSign(NSSLOWKEYPublicKey *key, unsigned char *sign,
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unsigned int signLength, unsigned char *hash,
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unsigned int hashLength);
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extern
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SECStatus RSA_HashCheckSign(SECOidTag hashOid,
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NSSLOWKEYPublicKey *key, unsigned char *sig,
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unsigned int sigLen, unsigned char *digest,
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unsigned int digestLen);
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extern
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SECStatus RSA_CheckSignPSS(CK_RSA_PKCS_PSS_PARAMS *pss_params,
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NSSLOWKEYPublicKey *key,
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const unsigned char *sign, unsigned int sign_len,
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const unsigned char *hash, unsigned int hash_len);
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extern
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SECStatus RSA_CheckSignRecover(NSSLOWKEYPublicKey *key, unsigned char *data,
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unsigned int *data_len,unsigned int max_output_len,
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unsigned char *sign, unsigned int sign_len);
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extern
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SECStatus RSA_EncryptBlock(NSSLOWKEYPublicKey *key, unsigned char *output,
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unsigned int *outputLen, unsigned int maxOutputLen,
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unsigned char *input, unsigned int inputLen);
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extern
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SECStatus RSA_DecryptBlock(NSSLOWKEYPrivateKey *key, unsigned char *output,
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unsigned int *outputLen, unsigned int maxOutputLen,
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unsigned char *input, unsigned int inputLen);
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extern
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SECStatus RSA_EncryptOAEP(CK_RSA_PKCS_OAEP_PARAMS *oaepParams,
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NSSLOWKEYPublicKey *key,
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unsigned char *output, unsigned int *outputLen,
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unsigned int maxOutputLen,
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const unsigned char *input, unsigned int inputLen);
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extern
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SECStatus RSA_DecryptOAEP(CK_RSA_PKCS_OAEP_PARAMS *oaepParams,
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NSSLOWKEYPrivateKey *key,
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unsigned char *output, unsigned int *outputLen,
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unsigned int maxOutputLen,
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const unsigned char *input, unsigned int inputLen);
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/*
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* added to make pkcs #11 happy
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* RAW is RSA_X_509
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*/
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extern
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SECStatus RSA_SignRaw( NSSLOWKEYPrivateKey *key, unsigned char *output,
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unsigned int *output_len, unsigned int maxOutputLen,
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unsigned char *input, unsigned int input_len);
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extern
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SECStatus RSA_CheckSignRaw( NSSLOWKEYPublicKey *key, unsigned char *sign,
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unsigned int sign_len, unsigned char *hash,
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unsigned int hash_len);
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extern
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SECStatus RSA_CheckSignRecoverRaw( NSSLOWKEYPublicKey *key, unsigned char *data,
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unsigned int *data_len, unsigned int max_output_len,
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unsigned char *sign, unsigned int sign_len);
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extern
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SECStatus RSA_EncryptRaw( NSSLOWKEYPublicKey *key, unsigned char *output,
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unsigned int *output_len,
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unsigned int max_output_len,
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unsigned char *input, unsigned int input_len);
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extern
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SECStatus RSA_DecryptRaw(NSSLOWKEYPrivateKey *key, unsigned char *output,
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unsigned int *output_len,
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unsigned int max_output_len,
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unsigned char *input, unsigned int input_len);
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#ifdef NSS_ENABLE_ECC
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/*
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** pepare an ECParam structure from DEREncoded params
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*/
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extern SECStatus EC_FillParams(PLArenaPool *arena,
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const SECItem *encodedParams, ECParams *params);
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extern SECStatus EC_DecodeParams(const SECItem *encodedParams,
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ECParams **ecparams);
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extern SECStatus EC_CopyParams(PLArenaPool *arena, ECParams *dstParams,
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const ECParams *srcParams);
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#endif
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/*
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** Prepare a buffer for padded CBC encryption, growing to the appropriate
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** boundary, filling with the appropriate padding.
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**
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** blockSize must be a power of 2.
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**
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** We add from 1 to blockSize bytes -- we *always* grow.
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** The extra bytes contain the value of the length of the padding:
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** if we have 2 bytes of padding, then the padding is "0x02, 0x02".
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**
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** NOTE: If arena is non-NULL, we re-allocate from there, otherwise
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** we assume (and use) PR memory (re)allocation.
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*/
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extern unsigned char * CBC_PadBuffer(PLArenaPool *arena, unsigned char *inbuf,
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unsigned int inlen, unsigned int *outlen,
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int blockSize);
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/****************************************/
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/*
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** Power-Up selftests required for FIPS and invoked only
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** under PKCS #11 FIPS mode.
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*/
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extern CK_RV sftk_fipsPowerUpSelfTest( void );
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/*
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** make known fixed PKCS #11 key types to their sizes in bytes
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*/
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unsigned long sftk_MapKeySize(CK_KEY_TYPE keyType);
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/*
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** FIPS 140-2 auditing
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*/
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extern PRBool sftk_audit_enabled;
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extern void sftk_LogAuditMessage(NSSAuditSeverity severity,
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NSSAuditType, const char *msg);
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extern void sftk_AuditCreateObject(CK_SESSION_HANDLE hSession,
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CK_ATTRIBUTE_PTR pTemplate, CK_ULONG ulCount,
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CK_OBJECT_HANDLE_PTR phObject, CK_RV rv);
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extern void sftk_AuditCopyObject(CK_SESSION_HANDLE hSession,
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CK_OBJECT_HANDLE hObject,
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CK_ATTRIBUTE_PTR pTemplate, CK_ULONG ulCount,
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CK_OBJECT_HANDLE_PTR phNewObject, CK_RV rv);
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extern void sftk_AuditDestroyObject(CK_SESSION_HANDLE hSession,
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CK_OBJECT_HANDLE hObject, CK_RV rv);
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extern void sftk_AuditGetObjectSize(CK_SESSION_HANDLE hSession,
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CK_OBJECT_HANDLE hObject, CK_ULONG_PTR pulSize,
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CK_RV rv);
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extern void sftk_AuditGetAttributeValue(CK_SESSION_HANDLE hSession,
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CK_OBJECT_HANDLE hObject, CK_ATTRIBUTE_PTR pTemplate,
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CK_ULONG ulCount, CK_RV rv);
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extern void sftk_AuditSetAttributeValue(CK_SESSION_HANDLE hSession,
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CK_OBJECT_HANDLE hObject, CK_ATTRIBUTE_PTR pTemplate,
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CK_ULONG ulCount, CK_RV rv);
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extern void sftk_AuditCryptInit(const char *opName,
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CK_SESSION_HANDLE hSession,
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CK_MECHANISM_PTR pMechanism,
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CK_OBJECT_HANDLE hKey, CK_RV rv);
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extern void sftk_AuditGenerateKey(CK_SESSION_HANDLE hSession,
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CK_MECHANISM_PTR pMechanism,
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CK_ATTRIBUTE_PTR pTemplate, CK_ULONG ulCount,
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CK_OBJECT_HANDLE_PTR phKey, CK_RV rv);
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extern void sftk_AuditGenerateKeyPair(CK_SESSION_HANDLE hSession,
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CK_MECHANISM_PTR pMechanism,
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CK_ATTRIBUTE_PTR pPublicKeyTemplate,
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CK_ULONG ulPublicKeyAttributeCount,
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CK_ATTRIBUTE_PTR pPrivateKeyTemplate,
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CK_ULONG ulPrivateKeyAttributeCount,
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CK_OBJECT_HANDLE_PTR phPublicKey,
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CK_OBJECT_HANDLE_PTR phPrivateKey, CK_RV rv);
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extern void sftk_AuditWrapKey(CK_SESSION_HANDLE hSession,
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CK_MECHANISM_PTR pMechanism,
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CK_OBJECT_HANDLE hWrappingKey, CK_OBJECT_HANDLE hKey,
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CK_BYTE_PTR pWrappedKey,
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CK_ULONG_PTR pulWrappedKeyLen, CK_RV rv);
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extern void sftk_AuditUnwrapKey(CK_SESSION_HANDLE hSession,
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CK_MECHANISM_PTR pMechanism,
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CK_OBJECT_HANDLE hUnwrappingKey,
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CK_BYTE_PTR pWrappedKey, CK_ULONG ulWrappedKeyLen,
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CK_ATTRIBUTE_PTR pTemplate, CK_ULONG ulAttributeCount,
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CK_OBJECT_HANDLE_PTR phKey, CK_RV rv);
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extern void sftk_AuditDeriveKey(CK_SESSION_HANDLE hSession,
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CK_MECHANISM_PTR pMechanism,
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CK_OBJECT_HANDLE hBaseKey,
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CK_ATTRIBUTE_PTR pTemplate, CK_ULONG ulAttributeCount,
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CK_OBJECT_HANDLE_PTR phKey, CK_RV rv);
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extern void sftk_AuditDigestKey(CK_SESSION_HANDLE hSession,
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CK_OBJECT_HANDLE hKey, CK_RV rv);
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/*
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** FIPS 140-2 Error state
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*/
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extern PRBool sftk_fatalError;
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/*
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** macros to check for forked child process after C_Initialize
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*/
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#if defined(XP_UNIX) && !defined(NO_FORK_CHECK)
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#ifdef DEBUG
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#define FORK_ASSERT() \
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{ \
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char* forkAssert = getenv("NSS_STRICT_NOFORK"); \
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if ( (!forkAssert) || (0 == strcmp(forkAssert, "1")) ) { \
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PORT_Assert(0); \
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} \
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}
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#else
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#define FORK_ASSERT()
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#endif
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/* we have 3 methods of implementing the fork checks :
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* - Solaris "mixed" method
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* - pthread_atfork method
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* - getpid method
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*/
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#if !defined (CHECK_FORK_MIXED) && !defined(CHECK_FORK_PTHREAD) && \
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!defined (CHECK_FORK_GETPID)
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/* Choose fork check method automatically unless specified
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* This section should be updated as more platforms get pthread fixes
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* to unregister fork handlers in dlclose.
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*/
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#ifdef SOLARIS
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/* Solaris 8, s9 use PID checks, s10 uses pthread_atfork */
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#define CHECK_FORK_MIXED
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#elif defined(LINUX)
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#define CHECK_FORK_PTHREAD
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#else
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/* Other Unix platforms use only PID checks. Even if pthread_atfork is
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* available, the behavior of dlclose isn't guaranteed by POSIX to
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* unregister the fork handler. */
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#define CHECK_FORK_GETPID
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#endif
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#endif
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#if defined(CHECK_FORK_MIXED)
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extern PRBool usePthread_atfork;
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#include <unistd.h>
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extern pid_t myPid;
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extern PRBool forked;
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#define PARENT_FORKED() (usePthread_atfork ? forked : (myPid && myPid != getpid()))
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#elif defined(CHECK_FORK_PTHREAD)
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extern PRBool forked;
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#define PARENT_FORKED() forked
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#elif defined(CHECK_FORK_GETPID)
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#include <unistd.h>
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extern pid_t myPid;
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#define PARENT_FORKED() (myPid && myPid != getpid())
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#endif
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extern PRBool parentForkedAfterC_Initialize;
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extern PRBool sftkForkCheckDisabled;
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#define CHECK_FORK() \
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do { \
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if (!sftkForkCheckDisabled && PARENT_FORKED()) { \
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FORK_ASSERT(); \
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return CKR_DEVICE_ERROR; \
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} \
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} while (0)
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#define SKIP_AFTER_FORK(x) if (!parentForkedAfterC_Initialize) x
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#define ENABLE_FORK_CHECK() \
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{ \
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char* doForkCheck = getenv("NSS_STRICT_NOFORK"); \
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if ( doForkCheck && !strcmp(doForkCheck, "DISABLED") ) { \
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sftkForkCheckDisabled = PR_TRUE; \
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} \
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}
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#else
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/* non-Unix platforms, or fork check disabled */
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#define CHECK_FORK()
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#define SKIP_AFTER_FORK(x) x
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#define ENABLE_FORK_CHECK()
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#ifndef NO_FORK_CHECK
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#define NO_FORK_CHECK
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#endif
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#endif
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SEC_END_PROTOS
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#endif /* _SOFTOKEN_H_ */
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