diff options
Diffstat (limited to 'src/gcrypt/symkeys.c')
-rw-r--r-- | src/gcrypt/symkeys.c | 441 |
1 files changed, 441 insertions, 0 deletions
diff --git a/src/gcrypt/symkeys.c b/src/gcrypt/symkeys.c new file mode 100644 index 00000000..88272fe3 --- /dev/null +++ b/src/gcrypt/symkeys.c @@ -0,0 +1,441 @@ +/** + * + * XMLSec library + * + * DES Algorithm support + * + * 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 <stdlib.h> +#include <stdio.h> +#include <string.h> + +#include <xmlsec/xmlsec.h> +#include <xmlsec/xmltree.h> +#include <xmlsec/keys.h> +#include <xmlsec/keyinfo.h> +#include <xmlsec/transforms.h> +#include <xmlsec/errors.h> + +#include <xmlsec/gcrypt/crypto.h> + + +/***************************************************************************** + * + * Symmetic (binary) keys - just a wrapper for xmlSecKeyDataBinary + * + ****************************************************************************/ +static int xmlSecGCryptSymKeyDataInitialize (xmlSecKeyDataPtr data); +static int xmlSecGCryptSymKeyDataDuplicate (xmlSecKeyDataPtr dst, + xmlSecKeyDataPtr src); +static void xmlSecGCryptSymKeyDataFinalize (xmlSecKeyDataPtr data); +static int xmlSecGCryptSymKeyDataXmlRead (xmlSecKeyDataId id, + xmlSecKeyPtr key, + xmlNodePtr node, + xmlSecKeyInfoCtxPtr keyInfoCtx); +static int xmlSecGCryptSymKeyDataXmlWrite (xmlSecKeyDataId id, + xmlSecKeyPtr key, + xmlNodePtr node, + xmlSecKeyInfoCtxPtr keyInfoCtx); +static int xmlSecGCryptSymKeyDataBinRead (xmlSecKeyDataId id, + xmlSecKeyPtr key, + const xmlSecByte* buf, + xmlSecSize bufSize, + xmlSecKeyInfoCtxPtr keyInfoCtx); +static int xmlSecGCryptSymKeyDataBinWrite (xmlSecKeyDataId id, + xmlSecKeyPtr key, + xmlSecByte** buf, + xmlSecSize* bufSize, + xmlSecKeyInfoCtxPtr keyInfoCtx); +static int xmlSecGCryptSymKeyDataGenerate (xmlSecKeyDataPtr data, + xmlSecSize sizeBits, + xmlSecKeyDataType type); + +static xmlSecKeyDataType xmlSecGCryptSymKeyDataGetType (xmlSecKeyDataPtr data); +static xmlSecSize xmlSecGCryptSymKeyDataGetSize (xmlSecKeyDataPtr data); +static void xmlSecGCryptSymKeyDataDebugDump (xmlSecKeyDataPtr data, + FILE* output); +static void xmlSecGCryptSymKeyDataDebugXmlDump (xmlSecKeyDataPtr data, + FILE* output); +static int xmlSecGCryptSymKeyDataKlassCheck (xmlSecKeyDataKlass* klass); + +#define xmlSecGCryptSymKeyDataCheckId(data) \ + (xmlSecKeyDataIsValid((data)) && \ + xmlSecGCryptSymKeyDataKlassCheck((data)->id)) + +static int +xmlSecGCryptSymKeyDataInitialize(xmlSecKeyDataPtr data) { + xmlSecAssert2(xmlSecGCryptSymKeyDataCheckId(data), -1); + + return(xmlSecKeyDataBinaryValueInitialize(data)); +} + +static int +xmlSecGCryptSymKeyDataDuplicate(xmlSecKeyDataPtr dst, xmlSecKeyDataPtr src) { + xmlSecAssert2(xmlSecGCryptSymKeyDataCheckId(dst), -1); + xmlSecAssert2(xmlSecGCryptSymKeyDataCheckId(src), -1); + xmlSecAssert2(dst->id == src->id, -1); + + return(xmlSecKeyDataBinaryValueDuplicate(dst, src)); +} + +static void +xmlSecGCryptSymKeyDataFinalize(xmlSecKeyDataPtr data) { + xmlSecAssert(xmlSecGCryptSymKeyDataCheckId(data)); + + xmlSecKeyDataBinaryValueFinalize(data); +} + +static int +xmlSecGCryptSymKeyDataXmlRead(xmlSecKeyDataId id, xmlSecKeyPtr key, + xmlNodePtr node, xmlSecKeyInfoCtxPtr keyInfoCtx) { + xmlSecAssert2(xmlSecGCryptSymKeyDataKlassCheck(id), -1); + + return(xmlSecKeyDataBinaryValueXmlRead(id, key, node, keyInfoCtx)); +} + +static int +xmlSecGCryptSymKeyDataXmlWrite(xmlSecKeyDataId id, xmlSecKeyPtr key, + xmlNodePtr node, xmlSecKeyInfoCtxPtr keyInfoCtx) { + xmlSecAssert2(xmlSecGCryptSymKeyDataKlassCheck(id), -1); + + return(xmlSecKeyDataBinaryValueXmlWrite(id, key, node, keyInfoCtx)); +} + +static int +xmlSecGCryptSymKeyDataBinRead(xmlSecKeyDataId id, xmlSecKeyPtr key, + const xmlSecByte* buf, xmlSecSize bufSize, + xmlSecKeyInfoCtxPtr keyInfoCtx) { + xmlSecAssert2(xmlSecGCryptSymKeyDataKlassCheck(id), -1); + + return(xmlSecKeyDataBinaryValueBinRead(id, key, buf, bufSize, keyInfoCtx)); +} + +static int +xmlSecGCryptSymKeyDataBinWrite(xmlSecKeyDataId id, xmlSecKeyPtr key, + xmlSecByte** buf, xmlSecSize* bufSize, + xmlSecKeyInfoCtxPtr keyInfoCtx) { + xmlSecAssert2(xmlSecGCryptSymKeyDataKlassCheck(id), -1); + + return(xmlSecKeyDataBinaryValueBinWrite(id, key, buf, bufSize, keyInfoCtx)); +} + +static int +xmlSecGCryptSymKeyDataGenerate(xmlSecKeyDataPtr data, xmlSecSize sizeBits, xmlSecKeyDataType type ATTRIBUTE_UNUSED) { + xmlSecBufferPtr buffer; + + xmlSecAssert2(xmlSecGCryptSymKeyDataCheckId(data), -1); + xmlSecAssert2(sizeBits > 0, -1); + + buffer = xmlSecKeyDataBinaryValueGetBuffer(data); + xmlSecAssert2(buffer != NULL, -1); + + return(xmlSecGCryptGenerateRandom(buffer, (sizeBits + 7) / 8)); +} + +static xmlSecKeyDataType +xmlSecGCryptSymKeyDataGetType(xmlSecKeyDataPtr data) { + xmlSecBufferPtr buffer; + + xmlSecAssert2(xmlSecGCryptSymKeyDataCheckId(data), xmlSecKeyDataTypeUnknown); + + buffer = xmlSecKeyDataBinaryValueGetBuffer(data); + xmlSecAssert2(buffer != NULL, xmlSecKeyDataTypeUnknown); + + return((xmlSecBufferGetSize(buffer) > 0) ? xmlSecKeyDataTypeSymmetric : xmlSecKeyDataTypeUnknown); +} + +static xmlSecSize +xmlSecGCryptSymKeyDataGetSize(xmlSecKeyDataPtr data) { + xmlSecAssert2(xmlSecGCryptSymKeyDataCheckId(data), 0); + + return(xmlSecKeyDataBinaryValueGetSize(data)); +} + +static void +xmlSecGCryptSymKeyDataDebugDump(xmlSecKeyDataPtr data, FILE* output) { + xmlSecAssert(xmlSecGCryptSymKeyDataCheckId(data)); + + xmlSecKeyDataBinaryValueDebugDump(data, output); +} + +static void +xmlSecGCryptSymKeyDataDebugXmlDump(xmlSecKeyDataPtr data, FILE* output) { + xmlSecAssert(xmlSecGCryptSymKeyDataCheckId(data)); + + xmlSecKeyDataBinaryValueDebugXmlDump(data, output); +} + +static int +xmlSecGCryptSymKeyDataKlassCheck(xmlSecKeyDataKlass* klass) { +#ifndef XMLSEC_NO_DES + if(klass == xmlSecGCryptKeyDataDesId) { + return(1); + } +#endif /* XMLSEC_NO_DES */ + +#ifndef XMLSEC_NO_AES + if(klass == xmlSecGCryptKeyDataAesId) { + return(1); + } +#endif /* XMLSEC_NO_AES */ + +#ifndef XMLSEC_NO_HMAC + if(klass == xmlSecGCryptKeyDataHmacId) { + return(1); + } +#endif /* XMLSEC_NO_HMAC */ + + return(0); +} + +#ifndef XMLSEC_NO_AES +/************************************************************************** + * + * <xmlsec:AESKeyValue> processing + * + *************************************************************************/ +static xmlSecKeyDataKlass xmlSecGCryptKeyDataAesKlass = { + sizeof(xmlSecKeyDataKlass), + xmlSecKeyDataBinarySize, + + /* data */ + xmlSecNameAESKeyValue, + xmlSecKeyDataUsageKeyValueNode | xmlSecKeyDataUsageRetrievalMethodNodeXml, + /* xmlSecKeyDataUsage usage; */ + xmlSecHrefAESKeyValue, /* const xmlChar* href; */ + xmlSecNodeAESKeyValue, /* const xmlChar* dataNodeName; */ + xmlSecNs, /* const xmlChar* dataNodeNs; */ + + /* constructors/destructor */ + xmlSecGCryptSymKeyDataInitialize, /* xmlSecKeyDataInitializeMethod initialize; */ + xmlSecGCryptSymKeyDataDuplicate, /* xmlSecKeyDataDuplicateMethod duplicate; */ + xmlSecGCryptSymKeyDataFinalize, /* xmlSecKeyDataFinalizeMethod finalize; */ + xmlSecGCryptSymKeyDataGenerate, /* xmlSecKeyDataGenerateMethod generate; */ + + /* get info */ + xmlSecGCryptSymKeyDataGetType, /* xmlSecKeyDataGetTypeMethod getType; */ + xmlSecGCryptSymKeyDataGetSize, /* xmlSecKeyDataGetSizeMethod getSize; */ + NULL, /* xmlSecKeyDataGetIdentifier getIdentifier; */ + + /* read/write */ + xmlSecGCryptSymKeyDataXmlRead, /* xmlSecKeyDataXmlReadMethod xmlRead; */ + xmlSecGCryptSymKeyDataXmlWrite, /* xmlSecKeyDataXmlWriteMethod xmlWrite; */ + xmlSecGCryptSymKeyDataBinRead, /* xmlSecKeyDataBinReadMethod binRead; */ + xmlSecGCryptSymKeyDataBinWrite, /* xmlSecKeyDataBinWriteMethod binWrite; */ + + /* debug */ + xmlSecGCryptSymKeyDataDebugDump, /* xmlSecKeyDataDebugDumpMethod debugDump; */ + xmlSecGCryptSymKeyDataDebugXmlDump, /* xmlSecKeyDataDebugDumpMethod debugXmlDump; */ + + /* reserved for the future */ + NULL, /* void* reserved0; */ + NULL, /* void* reserved1; */ +}; + +/** + * xmlSecGCryptKeyDataAesGetKlass: + * + * The AES key data klass. + * + * Returns: AES key data klass. + */ +xmlSecKeyDataId +xmlSecGCryptKeyDataAesGetKlass(void) { + return(&xmlSecGCryptKeyDataAesKlass); +} + +/** + * xmlSecGCryptKeyDataAesSet: + * @data: the pointer to AES key data. + * @buf: the pointer to key value. + * @bufSize: the key value size (in bytes). + * + * Sets the value of AES key data. + * + * Returns: 0 on success or a negative value if an error occurs. + */ +int +xmlSecGCryptKeyDataAesSet(xmlSecKeyDataPtr data, const xmlSecByte* buf, xmlSecSize bufSize) { + xmlSecBufferPtr buffer; + + xmlSecAssert2(xmlSecKeyDataCheckId(data, xmlSecGCryptKeyDataAesId), -1); + xmlSecAssert2(buf != NULL, -1); + xmlSecAssert2(bufSize > 0, -1); + + buffer = xmlSecKeyDataBinaryValueGetBuffer(data); + xmlSecAssert2(buffer != NULL, -1); + + return(xmlSecBufferSetData(buffer, buf, bufSize)); +} +#endif /* XMLSEC_NO_AES */ + +#ifndef XMLSEC_NO_DES +/************************************************************************** + * + * <xmlsec:DESKeyValue> processing + * + *************************************************************************/ +static xmlSecKeyDataKlass xmlSecGCryptKeyDataDesKlass = { + sizeof(xmlSecKeyDataKlass), + xmlSecKeyDataBinarySize, + + /* data */ + xmlSecNameDESKeyValue, + xmlSecKeyDataUsageKeyValueNode | xmlSecKeyDataUsageRetrievalMethodNodeXml, + /* xmlSecKeyDataUsage usage; */ + xmlSecHrefDESKeyValue, /* const xmlChar* href; */ + xmlSecNodeDESKeyValue, /* const xmlChar* dataNodeName; */ + xmlSecNs, /* const xmlChar* dataNodeNs; */ + + /* constructors/destructor */ + xmlSecGCryptSymKeyDataInitialize, /* xmlSecKeyDataInitializeMethod initialize; */ + xmlSecGCryptSymKeyDataDuplicate, /* xmlSecKeyDataDuplicateMethod duplicate; */ + xmlSecGCryptSymKeyDataFinalize, /* xmlSecKeyDataFinalizeMethod finalize; */ + xmlSecGCryptSymKeyDataGenerate, /* xmlSecKeyDataGenerateMethod generate; */ + + /* get info */ + xmlSecGCryptSymKeyDataGetType, /* xmlSecKeyDataGetTypeMethod getType; */ + xmlSecGCryptSymKeyDataGetSize, /* xmlSecKeyDataGetSizeMethod getSize; */ + NULL, /* xmlSecKeyDataGetIdentifier getIdentifier; */ + + /* read/write */ + xmlSecGCryptSymKeyDataXmlRead, /* xmlSecKeyDataXmlReadMethod xmlRead; */ + xmlSecGCryptSymKeyDataXmlWrite, /* xmlSecKeyDataXmlWriteMethod xmlWrite; */ + xmlSecGCryptSymKeyDataBinRead, /* xmlSecKeyDataBinReadMethod binRead; */ + xmlSecGCryptSymKeyDataBinWrite, /* xmlSecKeyDataBinWriteMethod binWrite; */ + + /* debug */ + xmlSecGCryptSymKeyDataDebugDump, /* xmlSecKeyDataDebugDumpMethod debugDump; */ + xmlSecGCryptSymKeyDataDebugXmlDump, /* xmlSecKeyDataDebugDumpMethod debugXmlDump; */ + + /* reserved for the future */ + NULL, /* void* reserved0; */ + NULL, /* void* reserved1; */ +}; + +/** + * xmlSecGCryptKeyDataDesGetKlass: + * + * The DES key data klass. + * + * Returns: DES key data klass. + */ +xmlSecKeyDataId +xmlSecGCryptKeyDataDesGetKlass(void) { + return(&xmlSecGCryptKeyDataDesKlass); +} + +/** + * xmlSecGCryptKeyDataDesSet: + * @data: the pointer to DES key data. + * @buf: the pointer to key value. + * @bufSize: the key value size (in bytes). + * + * Sets the value of DES key data. + * + * Returns: 0 on success or a negative value if an error occurs. + */ +int +xmlSecGCryptKeyDataDesSet(xmlSecKeyDataPtr data, const xmlSecByte* buf, xmlSecSize bufSize) { + xmlSecBufferPtr buffer; + + xmlSecAssert2(xmlSecKeyDataCheckId(data, xmlSecGCryptKeyDataDesId), -1); + xmlSecAssert2(buf != NULL, -1); + xmlSecAssert2(bufSize > 0, -1); + + buffer = xmlSecKeyDataBinaryValueGetBuffer(data); + xmlSecAssert2(buffer != NULL, -1); + + return(xmlSecBufferSetData(buffer, buf, bufSize)); +} + +#endif /* XMLSEC_NO_DES */ + +#ifndef XMLSEC_NO_HMAC +/************************************************************************** + * + * <xmlsec:HMACKeyValue> processing + * + *************************************************************************/ +static xmlSecKeyDataKlass xmlSecGCryptKeyDataHmacKlass = { + sizeof(xmlSecKeyDataKlass), + xmlSecKeyDataBinarySize, + + /* data */ + xmlSecNameHMACKeyValue, + xmlSecKeyDataUsageKeyValueNode | xmlSecKeyDataUsageRetrievalMethodNodeXml, + /* xmlSecKeyDataUsage usage; */ + xmlSecHrefHMACKeyValue, /* const xmlChar* href; */ + xmlSecNodeHMACKeyValue, /* const xmlChar* dataNodeName; */ + xmlSecNs, /* const xmlChar* dataNodeNs; */ + + /* constructors/destructor */ + xmlSecGCryptSymKeyDataInitialize, /* xmlSecKeyDataInitializeMethod initialize; */ + xmlSecGCryptSymKeyDataDuplicate, /* xmlSecKeyDataDuplicateMethod duplicate; */ + xmlSecGCryptSymKeyDataFinalize, /* xmlSecKeyDataFinalizeMethod finalize; */ + xmlSecGCryptSymKeyDataGenerate, /* xmlSecKeyDataGenerateMethod generate; */ + + /* get info */ + xmlSecGCryptSymKeyDataGetType, /* xmlSecKeyDataGetTypeMethod getType; */ + xmlSecGCryptSymKeyDataGetSize, /* xmlSecKeyDataGetSizeMethod getSize; */ + NULL, /* xmlSecKeyDataGetIdentifier getIdentifier; */ + + /* read/write */ + xmlSecGCryptSymKeyDataXmlRead, /* xmlSecKeyDataXmlReadMethod xmlRead; */ + xmlSecGCryptSymKeyDataXmlWrite, /* xmlSecKeyDataXmlWriteMethod xmlWrite; */ + xmlSecGCryptSymKeyDataBinRead, /* xmlSecKeyDataBinReadMethod binRead; */ + xmlSecGCryptSymKeyDataBinWrite, /* xmlSecKeyDataBinWriteMethod binWrite; */ + + /* debug */ + xmlSecGCryptSymKeyDataDebugDump, /* xmlSecKeyDataDebugDumpMethod debugDump; */ + xmlSecGCryptSymKeyDataDebugXmlDump, /* xmlSecKeyDataDebugDumpMethod debugXmlDump; */ + + /* reserved for the future */ + NULL, /* void* reserved0; */ + NULL, /* void* reserved1; */ +}; + +/** + * xmlSecGCryptKeyDataHmacGetKlass: + * + * The HMAC key data klass. + * + * Returns: HMAC key data klass. + */ +xmlSecKeyDataId +xmlSecGCryptKeyDataHmacGetKlass(void) { + return(&xmlSecGCryptKeyDataHmacKlass); +} + +/** + * xmlSecGCryptKeyDataHmacSet: + * @data: the pointer to HMAC key data. + * @buf: the pointer to key value. + * @bufSize: the key value size (in bytes). + * + * Sets the value of HMAC key data. + * + * Returns: 0 on success or a negative value if an error occurs. + */ +int +xmlSecGCryptKeyDataHmacSet(xmlSecKeyDataPtr data, const xmlSecByte* buf, xmlSecSize bufSize) { + xmlSecBufferPtr buffer; + + xmlSecAssert2(xmlSecKeyDataCheckId(data, xmlSecGCryptKeyDataHmacId), -1); + xmlSecAssert2(buf != NULL, -1); + xmlSecAssert2(bufSize > 0, -1); + + buffer = xmlSecKeyDataBinaryValueGetBuffer(data); + xmlSecAssert2(buffer != NULL, -1); + + return(xmlSecBufferSetData(buffer, buf, bufSize)); +} + +#endif /* XMLSEC_NO_HMAC */ + |