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-rw-r--r--src/openssl/kw_aes.c513
1 files changed, 513 insertions, 0 deletions
diff --git a/src/openssl/kw_aes.c b/src/openssl/kw_aes.c
new file mode 100644
index 00000000..573fb985
--- /dev/null
+++ b/src/openssl/kw_aes.c
@@ -0,0 +1,513 @@
+/**
+ *
+ * XMLSec library
+ *
+ * AES 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>
+ */
+#ifndef XMLSEC_NO_AES
+#ifndef XMLSEC_OPENSSL_096
+#include "globals.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <openssl/aes.h>
+#include <openssl/rand.h>
+
+#include <xmlsec/xmlsec.h>
+#include <xmlsec/xmltree.h>
+#include <xmlsec/keys.h>
+#include <xmlsec/transforms.h>
+#include <xmlsec/errors.h>
+
+#include <xmlsec/openssl/crypto.h>
+
+#include "../kw_aes_des.h"
+
+
+/*********************************************************************
+ *
+ * AES KW implementation
+ *
+ *********************************************************************/
+static int xmlSecOpenSSLKWAesBlockEncrypt (const xmlSecByte * in,
+ xmlSecSize inSize,
+ xmlSecByte * out,
+ xmlSecSize outSize,
+ void * context);
+static int xmlSecOpenSSLKWAesBlockDecrypt (const xmlSecByte * in,
+ xmlSecSize inSize,
+ xmlSecByte * out,
+ xmlSecSize outSize,
+ void * context);
+static xmlSecKWAesKlass xmlSecOpenSSLKWAesKlass = {
+ /* callbacks */
+ xmlSecOpenSSLKWAesBlockEncrypt, /* xmlSecKWAesBlockEncryptMethod encrypt; */
+ xmlSecOpenSSLKWAesBlockDecrypt, /* xmlSecKWAesBlockDecryptMethod decrypt; */
+
+ /* for the future */
+ NULL, /* void* reserved0; */
+ NULL /* void* reserved1; */
+};
+
+
+/*********************************************************************
+ *
+ * AES KW transforms
+ *
+ ********************************************************************/
+typedef struct _xmlSecOpenSSLKWAesCtx xmlSecOpenSSLKWAesCtx,
+ *xmlSecOpenSSLKWAesCtxPtr;
+struct _xmlSecOpenSSLKWAesCtx {
+ xmlSecBuffer keyBuffer;
+ xmlSecSize keyExpectedSize;
+};
+#define xmlSecOpenSSLKWAesSize \
+ (sizeof(xmlSecTransform) + sizeof(xmlSecOpenSSLKWAesCtx))
+#define xmlSecOpenSSLKWAesGetCtx(transform) \
+ ((xmlSecOpenSSLKWAesCtxPtr)(((xmlSecByte*)(transform)) + sizeof(xmlSecTransform)))
+#define xmlSecOpenSSLKWAesCheckId(transform) \
+ (xmlSecTransformCheckId((transform), xmlSecOpenSSLTransformKWAes128Id) || \
+ xmlSecTransformCheckId((transform), xmlSecOpenSSLTransformKWAes192Id) || \
+ xmlSecTransformCheckId((transform), xmlSecOpenSSLTransformKWAes256Id))
+
+static int xmlSecOpenSSLKWAesInitialize (xmlSecTransformPtr transform);
+static void xmlSecOpenSSLKWAesFinalize (xmlSecTransformPtr transform);
+static int xmlSecOpenSSLKWAesSetKeyReq (xmlSecTransformPtr transform,
+ xmlSecKeyReqPtr keyReq);
+static int xmlSecOpenSSLKWAesSetKey (xmlSecTransformPtr transform,
+ xmlSecKeyPtr key);
+static int xmlSecOpenSSLKWAesExecute (xmlSecTransformPtr transform,
+ int last,
+ xmlSecTransformCtxPtr transformCtx);
+
+static int
+xmlSecOpenSSLKWAesInitialize(xmlSecTransformPtr transform) {
+ xmlSecOpenSSLKWAesCtxPtr ctx;
+ int ret;
+
+ xmlSecAssert2(xmlSecOpenSSLKWAesCheckId(transform), -1);
+ xmlSecAssert2(xmlSecTransformCheckSize(transform, xmlSecOpenSSLKWAesSize), -1);
+
+ ctx = xmlSecOpenSSLKWAesGetCtx(transform);
+ xmlSecAssert2(ctx != NULL, -1);
+
+ if(xmlSecTransformCheckId(transform, xmlSecOpenSSLTransformKWAes128Id)) {
+ ctx->keyExpectedSize = XMLSEC_KW_AES128_KEY_SIZE;
+ } else if(xmlSecTransformCheckId(transform, xmlSecOpenSSLTransformKWAes192Id)) {
+ ctx->keyExpectedSize = XMLSEC_KW_AES192_KEY_SIZE;
+ } else if(xmlSecTransformCheckId(transform, xmlSecOpenSSLTransformKWAes256Id)) {
+ ctx->keyExpectedSize = XMLSEC_KW_AES256_KEY_SIZE;
+ } else {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
+ NULL,
+ XMLSEC_ERRORS_R_INVALID_TRANSFORM,
+ XMLSEC_ERRORS_NO_MESSAGE);
+ return(-1);
+ }
+
+ ret = xmlSecBufferInitialize(&(ctx->keyBuffer), 0);
+ if(ret < 0) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
+ "xmlSecOpenSSLKWAesGetKey",
+ XMLSEC_ERRORS_R_XMLSEC_FAILED,
+ XMLSEC_ERRORS_NO_MESSAGE);
+ return(-1);
+ }
+
+ return(0);
+}
+
+static void
+xmlSecOpenSSLKWAesFinalize(xmlSecTransformPtr transform) {
+ xmlSecOpenSSLKWAesCtxPtr ctx;
+
+ xmlSecAssert(xmlSecOpenSSLKWAesCheckId(transform));
+ xmlSecAssert(xmlSecTransformCheckSize(transform, xmlSecOpenSSLKWAesSize));
+
+ ctx = xmlSecOpenSSLKWAesGetCtx(transform);
+ xmlSecAssert(ctx != NULL);
+
+ xmlSecBufferFinalize(&(ctx->keyBuffer));
+}
+
+static int
+xmlSecOpenSSLKWAesSetKeyReq(xmlSecTransformPtr transform, xmlSecKeyReqPtr keyReq) {
+ xmlSecOpenSSLKWAesCtxPtr ctx;
+
+ xmlSecAssert2(xmlSecOpenSSLKWAesCheckId(transform), -1);
+ xmlSecAssert2((transform->operation == xmlSecTransformOperationEncrypt) || (transform->operation == xmlSecTransformOperationDecrypt), -1);
+ xmlSecAssert2(xmlSecTransformCheckSize(transform, xmlSecOpenSSLKWAesSize), -1);
+ xmlSecAssert2(keyReq != NULL, -1);
+
+ ctx = xmlSecOpenSSLKWAesGetCtx(transform);
+ xmlSecAssert2(ctx != NULL, -1);
+
+ keyReq->keyId = xmlSecOpenSSLKeyDataAesId;
+ keyReq->keyType = xmlSecKeyDataTypeSymmetric;
+ if(transform->operation == xmlSecTransformOperationEncrypt) {
+ keyReq->keyUsage = xmlSecKeyUsageEncrypt;
+ } else {
+ keyReq->keyUsage = xmlSecKeyUsageDecrypt;
+ }
+ keyReq->keyBitsSize = 8 * ctx->keyExpectedSize;
+
+ return(0);
+}
+
+static int
+xmlSecOpenSSLKWAesSetKey(xmlSecTransformPtr transform, xmlSecKeyPtr key) {
+ xmlSecOpenSSLKWAesCtxPtr ctx;
+ xmlSecBufferPtr buffer;
+ xmlSecSize keySize;
+ int ret;
+
+ xmlSecAssert2(xmlSecOpenSSLKWAesCheckId(transform), -1);
+ xmlSecAssert2((transform->operation == xmlSecTransformOperationEncrypt) || (transform->operation == xmlSecTransformOperationDecrypt), -1);
+ xmlSecAssert2(xmlSecTransformCheckSize(transform, xmlSecOpenSSLKWAesSize), -1);
+ xmlSecAssert2(key != NULL, -1);
+ xmlSecAssert2(xmlSecKeyDataCheckId(xmlSecKeyGetValue(key), xmlSecOpenSSLKeyDataAesId), -1);
+
+ ctx = xmlSecOpenSSLKWAesGetCtx(transform);
+ xmlSecAssert2(ctx != NULL, -1);
+
+ buffer = xmlSecKeyDataBinaryValueGetBuffer(xmlSecKeyGetValue(key));
+ xmlSecAssert2(buffer != NULL, -1);
+
+ keySize = xmlSecBufferGetSize(buffer);
+ if(keySize < ctx->keyExpectedSize) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
+ NULL,
+ XMLSEC_ERRORS_R_INVALID_KEY_DATA_SIZE,
+ "key=%d;expected=%d",
+ keySize, ctx->keyExpectedSize);
+ return(-1);
+ }
+
+ ret = xmlSecBufferSetData(&(ctx->keyBuffer),
+ xmlSecBufferGetData(buffer),
+ ctx->keyExpectedSize);
+ if(ret < 0) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
+ "xmlSecBufferSetData",
+ XMLSEC_ERRORS_R_XMLSEC_FAILED,
+ "expected-size=%d",
+ ctx->keyExpectedSize);
+ return(-1);
+ }
+
+ return(0);
+}
+
+static int
+xmlSecOpenSSLKWAesExecute(xmlSecTransformPtr transform, int last, xmlSecTransformCtxPtr transformCtx) {
+ xmlSecOpenSSLKWAesCtxPtr ctx;
+ xmlSecBufferPtr in, out;
+ xmlSecSize inSize, outSize, keySize;
+ AES_KEY aesKey;
+ int ret;
+
+ xmlSecAssert2(xmlSecOpenSSLKWAesCheckId(transform), -1);
+ xmlSecAssert2((transform->operation == xmlSecTransformOperationEncrypt) || (transform->operation == xmlSecTransformOperationDecrypt), -1);
+ xmlSecAssert2(xmlSecTransformCheckSize(transform, xmlSecOpenSSLKWAesSize), -1);
+ xmlSecAssert2(transformCtx != NULL, -1);
+
+ ctx = xmlSecOpenSSLKWAesGetCtx(transform);
+ xmlSecAssert2(ctx != NULL, -1);
+
+ keySize = xmlSecBufferGetSize(&(ctx->keyBuffer));
+ xmlSecAssert2(keySize == ctx->keyExpectedSize, -1);
+
+ in = &(transform->inBuf);
+ out = &(transform->outBuf);
+ inSize = xmlSecBufferGetSize(in);
+ outSize = xmlSecBufferGetSize(out);
+ xmlSecAssert2(outSize == 0, -1);
+
+ if(transform->status == xmlSecTransformStatusNone) {
+ transform->status = xmlSecTransformStatusWorking;
+ }
+
+ if((transform->status == xmlSecTransformStatusWorking) && (last == 0)) {
+ /* just do nothing */
+ } else if((transform->status == xmlSecTransformStatusWorking) && (last != 0)) {
+ if((inSize % 8) != 0) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
+ NULL,
+ XMLSEC_ERRORS_R_INVALID_SIZE,
+ "size=%d(not 8 bytes aligned)", inSize);
+ return(-1);
+ }
+
+ if(transform->operation == xmlSecTransformOperationEncrypt) {
+ /* the encoded key might be 8 bytes longer plus 8 bytes just in case */
+ outSize = inSize + XMLSEC_KW_AES_MAGIC_BLOCK_SIZE +
+ XMLSEC_KW_AES_BLOCK_SIZE;
+ } else {
+ outSize = inSize + XMLSEC_KW_AES_BLOCK_SIZE;
+ }
+
+ ret = xmlSecBufferSetMaxSize(out, outSize);
+ if(ret < 0) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
+ "xmlSecBufferSetMaxSize",
+ XMLSEC_ERRORS_R_XMLSEC_FAILED,
+ "outSize=%d", outSize);
+ return(-1);
+ }
+
+ if(transform->operation == xmlSecTransformOperationEncrypt) {
+ /* prepare key */
+ ret = AES_set_encrypt_key(xmlSecBufferGetData(&(ctx->keyBuffer)),
+ 8 * keySize,
+ &aesKey);
+ if(ret != 0) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ NULL,
+ "AES_set_decrypt_key",
+ XMLSEC_ERRORS_R_CRYPTO_FAILED,
+ XMLSEC_ERRORS_NO_MESSAGE);
+ return(-1);
+ }
+
+ ret = xmlSecKWAesEncode(&xmlSecOpenSSLKWAesKlass, &aesKey,
+ xmlSecBufferGetData(in), inSize,
+ xmlSecBufferGetData(out), outSize);
+ if(ret < 0) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
+ "xmlSecKWAesEncode",
+ XMLSEC_ERRORS_R_XMLSEC_FAILED,
+ XMLSEC_ERRORS_NO_MESSAGE);
+ return(-1);
+ }
+ outSize = ret;
+ } else {
+ /* prepare key */
+ ret = AES_set_decrypt_key(xmlSecBufferGetData(&(ctx->keyBuffer)),
+ 8 * keySize,
+ &aesKey);
+ if(ret != 0) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ NULL,
+ "AES_set_decrypt_key",
+ XMLSEC_ERRORS_R_CRYPTO_FAILED,
+ XMLSEC_ERRORS_NO_MESSAGE);
+ return(-1);
+ }
+
+ ret = xmlSecKWAesDecode(&xmlSecOpenSSLKWAesKlass, &aesKey,
+ xmlSecBufferGetData(in), inSize,
+ xmlSecBufferGetData(out), outSize);
+ if(ret < 0) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
+ "xmlSecKWAesEncode",
+ XMLSEC_ERRORS_R_XMLSEC_FAILED,
+ XMLSEC_ERRORS_NO_MESSAGE);
+ return(-1);
+ }
+ outSize = ret;
+ }
+
+ ret = xmlSecBufferSetSize(out, outSize);
+ if(ret < 0) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
+ "xmlSecBufferSetSize",
+ XMLSEC_ERRORS_R_XMLSEC_FAILED,
+ "outSize=%d", outSize);
+ return(-1);
+ }
+
+ ret = xmlSecBufferRemoveHead(in, inSize);
+ if(ret < 0) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
+ "xmlSecBufferRemoveHead",
+ XMLSEC_ERRORS_R_XMLSEC_FAILED,
+ "inSize%d", inSize);
+ return(-1);
+ }
+
+ transform->status = xmlSecTransformStatusFinished;
+ } else if(transform->status == xmlSecTransformStatusFinished) {
+ /* the only way we can get here is if there is no input */
+ xmlSecAssert2(xmlSecBufferGetSize(&(transform->inBuf)) == 0, -1);
+ } else {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
+ NULL,
+ XMLSEC_ERRORS_R_INVALID_STATUS,
+ "status=%d", transform->status);
+ return(-1);
+ }
+ return(0);
+}
+
+static xmlSecTransformKlass xmlSecOpenSSLKWAes128Klass = {
+ /* klass/object sizes */
+ sizeof(xmlSecTransformKlass), /* xmlSecSize klassSize */
+ xmlSecOpenSSLKWAesSize, /* xmlSecSize objSize */
+
+ xmlSecNameKWAes128, /* const xmlChar* name; */
+ xmlSecHrefKWAes128, /* const xmlChar* href; */
+ xmlSecTransformUsageEncryptionMethod, /* xmlSecAlgorithmUsage usage; */
+
+ xmlSecOpenSSLKWAesInitialize, /* xmlSecTransformInitializeMethod initialize; */
+ xmlSecOpenSSLKWAesFinalize, /* xmlSecTransformFinalizeMethod finalize; */
+ NULL, /* xmlSecTransformNodeReadMethod readNode; */
+ NULL, /* xmlSecTransformNodeWriteMethod writeNode; */
+ xmlSecOpenSSLKWAesSetKeyReq, /* xmlSecTransformSetKeyMethod setKeyReq; */
+ xmlSecOpenSSLKWAesSetKey, /* xmlSecTransformSetKeyMethod setKey; */
+ NULL, /* xmlSecTransformValidateMethod validate; */
+ xmlSecTransformDefaultGetDataType, /* xmlSecTransformGetDataTypeMethod getDataType; */
+ xmlSecTransformDefaultPushBin, /* xmlSecTransformPushBinMethod pushBin; */
+ xmlSecTransformDefaultPopBin, /* xmlSecTransformPopBinMethod popBin; */
+ NULL, /* xmlSecTransformPushXmlMethod pushXml; */
+ NULL, /* xmlSecTransformPopXmlMethod popXml; */
+ xmlSecOpenSSLKWAesExecute, /* xmlSecTransformExecuteMethod execute; */
+
+ NULL, /* void* reserved0; */
+ NULL, /* void* reserved1; */
+};
+
+/**
+ * xmlSecOpenSSLTransformKWAes128GetKlass:
+ *
+ * The AES-128 kew wrapper transform klass.
+ *
+ * Returns: AES-128 kew wrapper transform klass.
+ */
+xmlSecTransformId
+xmlSecOpenSSLTransformKWAes128GetKlass(void) {
+ return(&xmlSecOpenSSLKWAes128Klass);
+}
+
+static xmlSecTransformKlass xmlSecOpenSSLKWAes192Klass = {
+ /* klass/object sizes */
+ sizeof(xmlSecTransformKlass), /* xmlSecSize klassSize */
+ xmlSecOpenSSLKWAesSize, /* xmlSecSize objSize */
+
+ xmlSecNameKWAes192, /* const xmlChar* name; */
+ xmlSecHrefKWAes192, /* const xmlChar* href; */
+ xmlSecTransformUsageEncryptionMethod, /* xmlSecAlgorithmUsage usage; */
+
+ xmlSecOpenSSLKWAesInitialize, /* xmlSecTransformInitializeMethod initialize; */
+ xmlSecOpenSSLKWAesFinalize, /* xmlSecTransformFinalizeMethod finalize; */
+ NULL, /* xmlSecTransformNodeReadMethod readNode; */
+ NULL, /* xmlSecTransformNodeWriteMethod writeNode; */
+ xmlSecOpenSSLKWAesSetKeyReq, /* xmlSecTransformSetKeyMethod setKeyReq; */
+ xmlSecOpenSSLKWAesSetKey, /* xmlSecTransformSetKeyMethod setKey; */
+ NULL, /* xmlSecTransformValidateMethod validate; */
+ xmlSecTransformDefaultGetDataType, /* xmlSecTransformGetDataTypeMethod getDataType; */
+ xmlSecTransformDefaultPushBin, /* xmlSecTransformPushBinMethod pushBin; */
+ xmlSecTransformDefaultPopBin, /* xmlSecTransformPopBinMethod popBin; */
+ NULL, /* xmlSecTransformPushXmlMethod pushXml; */
+ NULL, /* xmlSecTransformPopXmlMethod popXml; */
+ xmlSecOpenSSLKWAesExecute, /* xmlSecTransformExecuteMethod execute; */
+
+ NULL, /* void* reserved0; */
+ NULL, /* void* reserved1; */
+};
+
+
+/**
+ * xmlSecOpenSSLTransformKWAes192GetKlass:
+ *
+ * The AES-192 kew wrapper transform klass.
+ *
+ * Returns: AES-192 kew wrapper transform klass.
+ */
+xmlSecTransformId
+xmlSecOpenSSLTransformKWAes192GetKlass(void) {
+ return(&xmlSecOpenSSLKWAes192Klass);
+}
+
+static xmlSecTransformKlass xmlSecOpenSSLKWAes256Klass = {
+ /* klass/object sizes */
+ sizeof(xmlSecTransformKlass), /* xmlSecSize klassSize */
+ xmlSecOpenSSLKWAesSize, /* xmlSecSize objSize */
+
+ xmlSecNameKWAes256, /* const xmlChar* name; */
+ xmlSecHrefKWAes256, /* const xmlChar* href; */
+ xmlSecTransformUsageEncryptionMethod, /* xmlSecAlgorithmUsage usage; */
+
+ xmlSecOpenSSLKWAesInitialize, /* xmlSecTransformInitializeMethod initialize; */
+ xmlSecOpenSSLKWAesFinalize, /* xmlSecTransformFinalizeMethod finalize; */
+ NULL, /* xmlSecTransformNodeReadMethod readNode; */
+ NULL, /* xmlSecTransformNodeWriteMethod writeNode; */
+ xmlSecOpenSSLKWAesSetKeyReq, /* xmlSecTransformSetKeyMethod setKeyReq; */
+ xmlSecOpenSSLKWAesSetKey, /* xmlSecTransformSetKeyMethod setKey; */
+ NULL, /* xmlSecTransformValidateMethod validate; */
+ xmlSecTransformDefaultGetDataType, /* xmlSecTransformGetDataTypeMethod getDataType; */
+ xmlSecTransformDefaultPushBin, /* xmlSecTransformPushBinMethod pushBin; */
+ xmlSecTransformDefaultPopBin, /* xmlSecTransformPopBinMethod popBin; */
+ NULL, /* xmlSecTransformPushXmlMethod pushXml; */
+ NULL, /* xmlSecTransformPopXmlMethod popXml; */
+ xmlSecOpenSSLKWAesExecute, /* xmlSecTransformExecuteMethod execute; */
+
+ NULL, /* void* reserved0; */
+ NULL, /* void* reserved1; */
+};
+
+/**
+ * xmlSecOpenSSLTransformKWAes256GetKlass:
+ *
+ * The AES-256 kew wrapper transform klass.
+ *
+ * Returns: AES-256 kew wrapper transform klass.
+ */
+xmlSecTransformId
+xmlSecOpenSSLTransformKWAes256GetKlass(void) {
+ return(&xmlSecOpenSSLKWAes256Klass);
+}
+
+/*********************************************************************
+ *
+ * AES KW implementation
+ *
+ *********************************************************************/
+static int
+xmlSecOpenSSLKWAesBlockEncrypt(const xmlSecByte * in, xmlSecSize inSize,
+ xmlSecByte * out, xmlSecSize outSize,
+ void * context) {
+ xmlSecAssert2(in != NULL, -1);
+ xmlSecAssert2(inSize >= AES_BLOCK_SIZE, -1);
+ xmlSecAssert2(out != NULL, -1);
+ xmlSecAssert2(outSize >= AES_BLOCK_SIZE, -1);
+ xmlSecAssert2(context != NULL, -1);
+
+ AES_encrypt(in, out, (AES_KEY*)context);
+ return(AES_BLOCK_SIZE);
+}
+
+static int
+xmlSecOpenSSLKWAesBlockDecrypt(const xmlSecByte * in, xmlSecSize inSize,
+ xmlSecByte * out, xmlSecSize outSize,
+ void * context) {
+ xmlSecAssert2(in != NULL, -1);
+ xmlSecAssert2(inSize >= AES_BLOCK_SIZE, -1);
+ xmlSecAssert2(out != NULL, -1);
+ xmlSecAssert2(outSize >= AES_BLOCK_SIZE, -1);
+ xmlSecAssert2(context != NULL, -1);
+
+ AES_decrypt(in, out, (AES_KEY*)context);
+ return(AES_BLOCK_SIZE);
+}
+
+
+#endif /* XMLSEC_OPENSSL_096 */
+#endif /* XMLSEC_NO_AES */
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