gecko/modules/libmar/verify/cryptox.h

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2012-05-21 04:12:37 -07:00
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef CRYPTOX_H
#define CRYPTOX_H
#define XP_MIN_SIGNATURE_LEN_IN_BYTES 256
#define CryptoX_Result int
#define CryptoX_Success 0
#define CryptoX_Error (-1)
#define CryptoX_Succeeded(X) ((X) == CryptoX_Success)
#define CryptoX_Failed(X) ((X) != CryptoX_Success)
#if defined(MAR_NSS)
#include "nss_secutil.h"
CryptoX_Result NSS_LoadPublicKey(const char *certNickname,
SECKEYPublicKey **publicKey,
CERTCertificate **cert);
CryptoX_Result NSS_VerifyBegin(VFYContext **ctx,
SECKEYPublicKey * const *publicKey);
CryptoX_Result NSS_VerifySignature(VFYContext * const *ctx ,
const unsigned char *signature,
unsigned int signatureLen);
#define CryptoX_InvalidHandleValue NULL
#define CryptoX_ProviderHandle void*
#define CryptoX_SignatureHandle VFYContext *
#define CryptoX_PublicKey SECKEYPublicKey *
#define CryptoX_Certificate CERTCertificate *
#define CryptoX_InitCryptoProvider(CryptoHandle) \
CryptoX_Success
#define CryptoX_VerifyBegin(CryptoHandle, SignatureHandle, PublicKey) \
NSS_VerifyBegin(SignatureHandle, PublicKey)
#define CryptoX_FreeSignatureHandle(SignatureHandle) \
VFY_DestroyContext(SignatureHandle, PR_TRUE)
#define CryptoX_VerifyUpdate(SignatureHandle, buf, len) \
VFY_Update(*SignatureHandle, (const unsigned char*)(buf), len)
#define CryptoX_LoadPublicKey(CryptoHandle, certData, dataSize, \
publicKey, certName, cert) \
NSS_LoadPublicKey(certName, publicKey, cert)
#define CryptoX_VerifySignature(hash, publicKey, signedData, len) \
NSS_VerifySignature(hash, (const unsigned char *)(signedData), len)
#define CryptoX_FreePublicKey(key) \
SECKEY_DestroyPublicKey(*key)
#define CryptoX_FreeCertificate(cert) \
CERT_DestroyCertificate(*cert)
#elif defined(XP_WIN)
#include <windows.h>
#include <wincrypt.h>
CryptoX_Result CryptoAPI_InitCryptoContext(HCRYPTPROV *provider);
CryptoX_Result CryptoAPI_LoadPublicKey(HCRYPTPROV hProv,
BYTE *certData,
DWORD sizeOfCertData,
HCRYPTKEY *publicKey,
HCERTSTORE *cert);
CryptoX_Result CryptoAPI_VerifyBegin(HCRYPTPROV provider, HCRYPTHASH* hash);
CryptoX_Result CryptoAPI_VerifyUpdate(HCRYPTHASH* hash,
BYTE *buf, DWORD len);
CryptoX_Result CyprtoAPI_VerifySignature(HCRYPTHASH *hash,
HCRYPTKEY *pubKey,
const BYTE *signature,
DWORD signatureLen);
#define CryptoX_InvalidHandleValue ((ULONG_PTR)NULL)
#define CryptoX_ProviderHandle HCRYPTPROV
#define CryptoX_SignatureHandle HCRYPTHASH
#define CryptoX_PublicKey HCRYPTKEY
#define CryptoX_Certificate HCERTSTORE
#define CryptoX_InitCryptoProvider(CryptoHandle) \
CryptoAPI_InitCryptoContext(CryptoHandle)
#define CryptoX_VerifyBegin(CryptoHandle, SignatureHandle, PublicKey) \
CryptoAPI_VerifyBegin(CryptoHandle, SignatureHandle)
#define CryptoX_FreeSignatureHandle(SignatureHandle)
#define CryptoX_VerifyUpdate(SignatureHandle, buf, len) \
CryptoAPI_VerifyUpdate(SignatureHandle, (BYTE *)(buf), len)
#define CryptoX_LoadPublicKey(CryptoHandle, certData, dataSize, \
publicKey, certName, cert) \
CryptoAPI_LoadPublicKey(CryptoHandle, (BYTE*)(certData), \
dataSize, publicKey, cert)
#define CryptoX_VerifySignature(hash, publicKey, signedData, len) \
CyprtoAPI_VerifySignature(hash, publicKey, signedData, len)
#define CryptoX_FreePublicKey(key) \
CryptDestroyKey(*(key))
#define CryptoX_FreeCertificate(cert) \
CertCloseStore(*(cert), CERT_CLOSE_STORE_FORCE_FLAG);
#else
/* This default implementation is necessary because we don't want to
* link to NSS from updater code on non Windows platforms. On Windows
* we use CyrptoAPI instead of NSS. We don't call any function as they
* would just fail, but this simplifies linking.
*/
#define CryptoX_InvalidHandleValue NULL
#define CryptoX_ProviderHandle void*
#define CryptoX_SignatureHandle void*
#define CryptoX_PublicKey void*
#define CryptoX_Certificate void*
#define CryptoX_InitCryptoProvider(CryptoHandle) \
CryptoX_Error
#define CryptoX_VerifyBegin(CryptoHandle, SignatureHandle, PublicKey) \
CryptoX_Error
#define CryptoX_FreeSignatureHandle(SignatureHandle)
#define CryptoX_VerifyUpdate(SignatureHandle, buf, len) CryptoX_Error
#define CryptoX_LoadPublicKey(CryptoHandle, certData, dataSize, \
publicKey, certName, cert) \
CryptoX_Error
#define CryptoX_VerifySignature(hash, publicKey, signedData, len) CryptoX_Error
#define CryptoX_FreePublicKey(key) CryptoX_Error
#endif
#endif