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/**
* XMLSec library
*
* This is free software; see Copyright file in the source
* distribution for preciese wording.
*
* Copyright (C) 2002-2003 Aleksey Sanin <aleksey@aleksey.com>
*/
#include "globals.h"
#include <string.h>
#include <gcrypt.h>
#include <xmlsec/xmlsec.h>
#include <xmlsec/keys.h>
#include <xmlsec/transforms.h>
#include <xmlsec/errors.h>
#include <xmlsec/dl.h>
#include <xmlsec/private.h>
#include <xmlsec/gcrypt/app.h>
#include <xmlsec/gcrypt/crypto.h>
static xmlSecCryptoDLFunctionsPtr gXmlSecGCryptFunctions = NULL;
/**
* xmlSecCryptoGetFunctions_gcrypt:
*
* Gets the pointer to xmlsec-gcrypt functions table.
*
* Returns: the xmlsec-gcrypt functions table or NULL if an error occurs.
*/
xmlSecCryptoDLFunctionsPtr
xmlSecCryptoGetFunctions_gcrypt(void) {
static xmlSecCryptoDLFunctions functions;
if(gXmlSecGCryptFunctions != NULL) {
return(gXmlSecGCryptFunctions);
}
memset(&functions, 0, sizeof(functions));
gXmlSecGCryptFunctions = &functions;
/********************************************************************
*
* Crypto Init/shutdown
*
********************************************************************/
gXmlSecGCryptFunctions->cryptoInit = xmlSecGCryptInit;
gXmlSecGCryptFunctions->cryptoShutdown = xmlSecGCryptShutdown;
gXmlSecGCryptFunctions->cryptoKeysMngrInit = xmlSecGCryptKeysMngrInit;
/********************************************************************
*
* Key data ids
*
********************************************************************/
#ifndef XMLSEC_NO_AES
gXmlSecGCryptFunctions->keyDataAesGetKlass = xmlSecGCryptKeyDataAesGetKlass;
#endif /* XMLSEC_NO_AES */
#ifndef XMLSEC_NO_DES
gXmlSecGCryptFunctions->keyDataDesGetKlass = xmlSecGCryptKeyDataDesGetKlass;
#endif /* XMLSEC_NO_DES */
#ifndef XMLSEC_NO_DSA
gXmlSecGCryptFunctions->keyDataDsaGetKlass = xmlSecGCryptKeyDataDsaGetKlass;
#endif /* XMLSEC_NO_DSA */
#ifndef XMLSEC_NO_HMAC
gXmlSecGCryptFunctions->keyDataHmacGetKlass = xmlSecGCryptKeyDataHmacGetKlass;
#endif /* XMLSEC_NO_HMAC */
#ifndef XMLSEC_NO_RSA
gXmlSecGCryptFunctions->keyDataRsaGetKlass = xmlSecGCryptKeyDataRsaGetKlass;
#endif /* XMLSEC_NO_RSA */
/********************************************************************
*
* Key data store ids
*
********************************************************************/
/********************************************************************
*
* Crypto transforms ids
*
********************************************************************/
/******************************* AES ********************************/
#ifndef XMLSEC_NO_AES
gXmlSecGCryptFunctions->transformAes128CbcGetKlass = xmlSecGCryptTransformAes128CbcGetKlass;
gXmlSecGCryptFunctions->transformAes192CbcGetKlass = xmlSecGCryptTransformAes192CbcGetKlass;
gXmlSecGCryptFunctions->transformAes256CbcGetKlass = xmlSecGCryptTransformAes256CbcGetKlass;
gXmlSecGCryptFunctions->transformKWAes128GetKlass = xmlSecGCryptTransformKWAes128GetKlass;
gXmlSecGCryptFunctions->transformKWAes192GetKlass = xmlSecGCryptTransformKWAes192GetKlass;
gXmlSecGCryptFunctions->transformKWAes256GetKlass = xmlSecGCryptTransformKWAes256GetKlass;
#endif /* XMLSEC_NO_AES */
/******************************* DES ********************************/
#ifndef XMLSEC_NO_DES
gXmlSecGCryptFunctions->transformDes3CbcGetKlass = xmlSecGCryptTransformDes3CbcGetKlass;
gXmlSecGCryptFunctions->transformKWDes3GetKlass = xmlSecGCryptTransformKWDes3GetKlass;
#endif /* XMLSEC_NO_DES */
/******************************* DSA ********************************/
#ifndef XMLSEC_NO_DSA
#ifndef XMLSEC_NO_SHA1
gXmlSecGCryptFunctions->transformDsaSha1GetKlass = xmlSecGCryptTransformDsaSha1GetKlass;
#endif /* XMLSEC_NO_SHA1 */
#endif /* XMLSEC_NO_DSA */
/******************************* HMAC ********************************/
#ifndef XMLSEC_NO_HMAC
#ifndef XMLSEC_NO_MD5
gXmlSecGCryptFunctions->transformHmacMd5GetKlass = xmlSecGCryptTransformHmacMd5GetKlass;
#endif /* XMLSEC_NO_MD5 */
#ifndef XMLSEC_NO_RIPEMD160
gXmlSecGCryptFunctions->transformHmacRipemd160GetKlass = xmlSecGCryptTransformHmacRipemd160GetKlass;
#endif /* XMLSEC_NO_RIPEMD160 */
#ifndef XMLSEC_NO_SHA1
gXmlSecGCryptFunctions->transformHmacSha1GetKlass = xmlSecGCryptTransformHmacSha1GetKlass;
#endif /* XMLSEC_NO_SHA1 */
#ifndef XMLSEC_NO_SHA256
gXmlSecGCryptFunctions->transformHmacSha256GetKlass = xmlSecGCryptTransformHmacSha256GetKlass;
#endif /* XMLSEC_NO_SHA256 */
#ifndef XMLSEC_NO_SHA384
gXmlSecGCryptFunctions->transformHmacSha384GetKlass = xmlSecGCryptTransformHmacSha384GetKlass;
#endif /* XMLSEC_NO_SHA384 */
#ifndef XMLSEC_NO_SHA512
gXmlSecGCryptFunctions->transformHmacSha512GetKlass = xmlSecGCryptTransformHmacSha512GetKlass;
#endif /* XMLSEC_NO_SHA512 */
#endif /* XMLSEC_NO_HMAC */
/******************************* MD5 ********************************/
#ifndef XMLSEC_NO_MD5
gXmlSecGCryptFunctions->transformMd5GetKlass = xmlSecGCryptTransformMd5GetKlass;
#endif /* XMLSEC_NO_MD5 */
/******************************* RIPEMD160 ********************************/
#ifndef XMLSEC_NO_RIPEMD160
gXmlSecGCryptFunctions->transformRipemd160GetKlass = xmlSecGCryptTransformRipemd160GetKlass;
#endif /* XMLSEC_NO_RIPEMD160 */
/******************************* RSA ********************************/
#ifndef XMLSEC_NO_RSA
#ifndef XMLSEC_NO_MD5
gXmlSecGCryptFunctions->transformRsaMd5GetKlass = xmlSecGCryptTransformRsaMd5GetKlass;
#endif /* XMLSEC_NO_MD5 */
#ifndef XMLSEC_NO_RIPEMD160
gXmlSecGCryptFunctions->transformRsaRipemd160GetKlass = xmlSecGCryptTransformRsaRipemd160GetKlass;
#endif /* XMLSEC_NO_RIPEMD160 */
#ifndef XMLSEC_NO_SHA1
gXmlSecGCryptFunctions->transformRsaSha1GetKlass = xmlSecGCryptTransformRsaSha1GetKlass;
#endif /* XMLSEC_NO_SHA1 */
#ifndef XMLSEC_NO_SHA256
gXmlSecGCryptFunctions->transformRsaSha256GetKlass = xmlSecGCryptTransformRsaSha256GetKlass;
#endif /* XMLSEC_NO_SHA256 */
#ifndef XMLSEC_NO_SHA384
gXmlSecGCryptFunctions->transformRsaSha384GetKlass = xmlSecGCryptTransformRsaSha384GetKlass;
#endif /* XMLSEC_NO_SHA384 */
#ifndef XMLSEC_NO_SHA512
gXmlSecGCryptFunctions->transformRsaSha512GetKlass = xmlSecGCryptTransformRsaSha512GetKlass;
#endif /* XMLSEC_NO_SHA512 */
#endif /* XMLSEC_NO_RSA */
/******************************* SHA ********************************/
#ifndef XMLSEC_NO_SHA1
gXmlSecGCryptFunctions->transformSha1GetKlass = xmlSecGCryptTransformSha1GetKlass;
#endif /* XMLSEC_NO_SHA1 */
#ifndef XMLSEC_NO_SHA256
gXmlSecGCryptFunctions->transformSha256GetKlass = xmlSecGCryptTransformSha256GetKlass;
#endif /* XMLSEC_NO_SHA256 */
#ifndef XMLSEC_NO_SHA384
gXmlSecGCryptFunctions->transformSha384GetKlass = xmlSecGCryptTransformSha384GetKlass;
#endif /* XMLSEC_NO_SHA384 */
#ifndef XMLSEC_NO_SHA512
gXmlSecGCryptFunctions->transformSha512GetKlass = xmlSecGCryptTransformSha512GetKlass;
#endif /* XMLSEC_NO_SHA512 */
/********************************************************************
*
* High level routines form xmlsec command line utility
*
********************************************************************/
gXmlSecGCryptFunctions->cryptoAppInit = xmlSecGCryptAppInit;
gXmlSecGCryptFunctions->cryptoAppShutdown = xmlSecGCryptAppShutdown;
gXmlSecGCryptFunctions->cryptoAppDefaultKeysMngrInit = xmlSecGCryptAppDefaultKeysMngrInit;
gXmlSecGCryptFunctions->cryptoAppDefaultKeysMngrAdoptKey = xmlSecGCryptAppDefaultKeysMngrAdoptKey;
gXmlSecGCryptFunctions->cryptoAppDefaultKeysMngrLoad = xmlSecGCryptAppDefaultKeysMngrLoad;
gXmlSecGCryptFunctions->cryptoAppDefaultKeysMngrSave = xmlSecGCryptAppDefaultKeysMngrSave;
#ifndef XMLSEC_NO_X509
gXmlSecGCryptFunctions->cryptoAppKeysMngrCertLoad = xmlSecGCryptAppKeysMngrCertLoad;
gXmlSecGCryptFunctions->cryptoAppPkcs12Load = xmlSecGCryptAppPkcs12Load;
gXmlSecGCryptFunctions->cryptoAppKeyCertLoad = xmlSecGCryptAppKeyCertLoad;
#endif /* XMLSEC_NO_X509 */
gXmlSecGCryptFunctions->cryptoAppKeyLoad = xmlSecGCryptAppKeyLoad;
gXmlSecGCryptFunctions->cryptoAppDefaultPwdCallback = (void*)xmlSecGCryptAppGetDefaultPwdCallback();
return(gXmlSecGCryptFunctions);
}
/**
* xmlSecGCryptInit:
*
* XMLSec library specific crypto engine initialization.
*
* Returns: 0 on success or a negative value otherwise.
*/
int
xmlSecGCryptInit (void) {
/* Check loaded xmlsec library version */
if(xmlSecCheckVersionExact() != 1) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"xmlSecCheckVersionExact",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
XMLSEC_ERRORS_NO_MESSAGE);
return(-1);
}
/* register our klasses */
if(xmlSecCryptoDLFunctionsRegisterKeyDataAndTransforms(xmlSecCryptoGetFunctions_gcrypt()) < 0) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"xmlSecCryptoDLFunctionsRegisterKeyDataAndTransforms",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
XMLSEC_ERRORS_NO_MESSAGE);
return(-1);
}
return(0);
}
/**
* xmlSecGCryptShutdown:
*
* XMLSec library specific crypto engine shutdown.
*
* Returns: 0 on success or a negative value otherwise.
*/
int
xmlSecGCryptShutdown(void) {
return(0);
}
/**
* xmlSecGCryptKeysMngrInit:
* @mngr: the pointer to keys manager.
*
* Adds GCrypt specific key data stores in keys manager.
*
* Returns: 0 on success or a negative value otherwise.
*/
int
xmlSecGCryptKeysMngrInit(xmlSecKeysMngrPtr mngr) {
xmlSecAssert2(mngr != NULL, -1);
/* TODO: add key data stores */
return(0);
}
/**
* xmlSecGCryptGenerateRandom:
* @buffer: the destination buffer.
* @size: the numer of bytes to generate.
*
* Generates @size random bytes and puts result in @buffer.
*
* Returns: 0 on success or a negative value otherwise.
*/
int
xmlSecGCryptGenerateRandom(xmlSecBufferPtr buffer, xmlSecSize size) {
int ret;
xmlSecAssert2(buffer != NULL, -1);
xmlSecAssert2(size > 0, -1);
ret = xmlSecBufferSetSize(buffer, size);
if(ret < 0) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"xmlSecBufferSetSize",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
"size=%d", size);
return(-1);
}
/* get random data */
gcry_randomize(xmlSecBufferGetData(buffer), size, GCRY_STRONG_RANDOM);
return(0);
}
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