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-rw-r--r--src/nss/kw_des.c663
1 files changed, 663 insertions, 0 deletions
diff --git a/src/nss/kw_des.c b/src/nss/kw_des.c
new file mode 100644
index 00000000..e75f69c9
--- /dev/null
+++ b/src/nss/kw_des.c
@@ -0,0 +1,663 @@
+/**
+ *
+ * XMLSec library
+ *
+ * DES KW Algorithm support
+ *
+ * This is free software; see Copyright file in the source
+ * distribution for preciese wording.
+ *
+ * Copyright (c) 2003 America Online, Inc. All rights reserved.
+ * Copyright (C) 2002-2003 Aleksey Sanin <aleksey@aleksey.com>
+ */
+#ifndef XMLSEC_NO_DES
+#include "globals.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <nss.h>
+#include <pk11func.h>
+#include <hasht.h>
+
+#include <xmlsec/xmlsec.h>
+#include <xmlsec/xmltree.h>
+#include <xmlsec/keys.h>
+#include <xmlsec/transforms.h>
+#include <xmlsec/errors.h>
+
+#include <xmlsec/nss/crypto.h>
+
+#include "../kw_aes_des.h"
+
+/*********************************************************************
+ *
+ * DES KW implementation
+ *
+ *********************************************************************/
+static int xmlSecNssKWDes3GenerateRandom (void * context,
+ xmlSecByte * out,
+ xmlSecSize outSize);
+static int xmlSecNssKWDes3Sha1 (void * context,
+ const xmlSecByte * in,
+ xmlSecSize inSize,
+ xmlSecByte * out,
+ xmlSecSize outSize);
+static int xmlSecNssKWDes3BlockEncrypt (void * context,
+ const xmlSecByte * iv,
+ xmlSecSize ivSize,
+ const xmlSecByte * in,
+ xmlSecSize inSize,
+ xmlSecByte * out,
+ xmlSecSize outSize);
+static int xmlSecNssKWDes3BlockDecrypt (void * context,
+ const xmlSecByte * iv,
+ xmlSecSize ivSize,
+ const xmlSecByte * in,
+ xmlSecSize inSize,
+ xmlSecByte * out,
+ xmlSecSize outSize);
+
+static xmlSecKWDes3Klass xmlSecNssKWDes3ImplKlass = {
+ /* callbacks */
+ xmlSecNssKWDes3GenerateRandom, /* xmlSecKWDes3GenerateRandomMethod generateRandom; */
+ xmlSecNssKWDes3Sha1, /* xmlSecKWDes3Sha1Method sha1; */
+ xmlSecNssKWDes3BlockEncrypt, /* xmlSecKWDes3BlockEncryptMethod encrypt; */
+ xmlSecNssKWDes3BlockDecrypt, /* xmlSecKWDes3BlockDecryptMethod decrypt; */
+
+ /* for the future */
+ NULL, /* void* reserved0; */
+ NULL, /* void* reserved1; */
+};
+
+static int xmlSecNssKWDes3Encrypt (const xmlSecByte *key,
+ xmlSecSize keySize,
+ const xmlSecByte *iv,
+ xmlSecSize ivSize,
+ const xmlSecByte *in,
+ xmlSecSize inSize,
+ xmlSecByte *out,
+ xmlSecSize outSize,
+ int enc);
+
+
+/*********************************************************************
+ *
+ * Triple DES Key Wrap transform
+ *
+ * key (xmlSecBuffer) is located after xmlSecTransform structure
+ *
+ ********************************************************************/
+typedef struct _xmlSecNssKWDes3Ctx xmlSecNssKWDes3Ctx,
+ *xmlSecNssKWDes3CtxPtr;
+struct _xmlSecNssKWDes3Ctx {
+ xmlSecBuffer keyBuffer;
+};
+#define xmlSecNssKWDes3Size \
+ (sizeof(xmlSecTransform) + sizeof(xmlSecNssKWDes3Ctx))
+#define xmlSecNssKWDes3GetCtx(transform) \
+ ((xmlSecNssKWDes3CtxPtr)(((xmlSecByte*)(transform)) + sizeof(xmlSecTransform)))
+
+static int xmlSecNssKWDes3Initialize (xmlSecTransformPtr transform);
+static void xmlSecNssKWDes3Finalize (xmlSecTransformPtr transform);
+static int xmlSecNssKWDes3SetKeyReq (xmlSecTransformPtr transform,
+ xmlSecKeyReqPtr keyReq);
+static int xmlSecNssKWDes3SetKey (xmlSecTransformPtr transform,
+ xmlSecKeyPtr key);
+static int xmlSecNssKWDes3Execute (xmlSecTransformPtr transform,
+ int last,
+ xmlSecTransformCtxPtr transformCtx);
+static xmlSecTransformKlass xmlSecNssKWDes3Klass = {
+ /* klass/object sizes */
+ sizeof(xmlSecTransformKlass), /* xmlSecSize klassSize */
+ xmlSecNssKWDes3Size, /* xmlSecSize objSize */
+
+ xmlSecNameKWDes3, /* const xmlChar* name; */
+ xmlSecHrefKWDes3, /* const xmlChar* href; */
+ xmlSecTransformUsageEncryptionMethod, /* xmlSecAlgorithmUsage usage; */
+
+ xmlSecNssKWDes3Initialize, /* xmlSecTransformInitializeMethod initialize; */
+ xmlSecNssKWDes3Finalize, /* xmlSecTransformFinalizeMethod finalize; */
+ NULL, /* xmlSecTransformNodeReadMethod readNode; */
+ NULL, /* xmlSecTransformNodeWriteMethod writeNode; */
+ xmlSecNssKWDes3SetKeyReq, /* xmlSecTransformSetKeyMethod setKeyReq; */
+ xmlSecNssKWDes3SetKey, /* xmlSecTransformSetKeyMethod setKey; */
+ NULL, /* xmlSecTransformValidateMethod validate; */
+ xmlSecTransformDefaultGetDataType, /* xmlSecTransformGetDataTypeMethod getDataType; */
+ xmlSecTransformDefaultPushBin, /* xmlSecTransformPushBinMethod pushBin; */
+ xmlSecTransformDefaultPopBin, /* xmlSecTransformPopBinMethod popBin; */
+ NULL, /* xmlSecTransformPushXmlMethod pushXml; */
+ NULL, /* xmlSecTransformPopXmlMethod popXml; */
+ xmlSecNssKWDes3Execute, /* xmlSecTransformExecuteMethod execute; */
+
+ NULL, /* void* reserved0; */
+ NULL, /* void* reserved1; */
+};
+
+/**
+ * xmlSecNssTransformKWDes3GetKlass:
+ *
+ * The Triple DES key wrapper transform klass.
+ *
+ * Returns: Triple DES key wrapper transform klass.
+ */
+xmlSecTransformId
+xmlSecNssTransformKWDes3GetKlass(void) {
+ return(&xmlSecNssKWDes3Klass);
+}
+
+static int
+xmlSecNssKWDes3Initialize(xmlSecTransformPtr transform) {
+ xmlSecNssKWDes3CtxPtr ctx;
+ int ret;
+
+ xmlSecAssert2(xmlSecTransformCheckId(transform, xmlSecNssTransformKWDes3Id), -1);
+ xmlSecAssert2(xmlSecTransformCheckSize(transform, xmlSecNssKWDes3Size), -1);
+
+ ctx = xmlSecNssKWDes3GetCtx(transform);
+ xmlSecAssert2(ctx != NULL, -1);
+
+ ret = xmlSecBufferInitialize(&(ctx->keyBuffer), 0);
+ if(ret < 0) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
+ "xmlSecBufferInitialize",
+ XMLSEC_ERRORS_R_XMLSEC_FAILED,
+ XMLSEC_ERRORS_NO_MESSAGE);
+ return(-1);
+ }
+
+ return(0);
+}
+
+static void
+xmlSecNssKWDes3Finalize(xmlSecTransformPtr transform) {
+ xmlSecNssKWDes3CtxPtr ctx;
+
+ xmlSecAssert(xmlSecTransformCheckId(transform, xmlSecNssTransformKWDes3Id));
+ xmlSecAssert(xmlSecTransformCheckSize(transform, xmlSecNssKWDes3Size));
+
+ ctx = xmlSecNssKWDes3GetCtx(transform);
+ xmlSecAssert(ctx != NULL);
+
+ xmlSecBufferFinalize(&(ctx->keyBuffer));
+}
+
+static int
+xmlSecNssKWDes3SetKeyReq(xmlSecTransformPtr transform, xmlSecKeyReqPtr keyReq) {
+ xmlSecNssKWDes3CtxPtr ctx;
+
+ xmlSecAssert2(xmlSecTransformCheckId(transform, xmlSecNssTransformKWDes3Id), -1);
+ xmlSecAssert2((transform->operation == xmlSecTransformOperationEncrypt) || (transform->operation == xmlSecTransformOperationDecrypt), -1);
+ xmlSecAssert2(xmlSecTransformCheckSize(transform, xmlSecNssKWDes3Size), -1);
+ xmlSecAssert2(keyReq != NULL, -1);
+
+ ctx = xmlSecNssKWDes3GetCtx(transform);
+ xmlSecAssert2(ctx != NULL, -1);
+
+ keyReq->keyId = xmlSecNssKeyDataDesId;
+ keyReq->keyType = xmlSecKeyDataTypeSymmetric;
+ if(transform->operation == xmlSecTransformOperationEncrypt) {
+ keyReq->keyUsage= xmlSecKeyUsageEncrypt;
+ } else {
+ keyReq->keyUsage= xmlSecKeyUsageDecrypt;
+ }
+ keyReq->keyBitsSize = 8 * XMLSEC_KW_DES3_KEY_LENGTH;
+ return(0);
+}
+
+static int
+xmlSecNssKWDes3SetKey(xmlSecTransformPtr transform, xmlSecKeyPtr key) {
+ xmlSecNssKWDes3CtxPtr ctx;
+ xmlSecBufferPtr buffer;
+ xmlSecSize keySize;
+ int ret;
+
+ xmlSecAssert2(xmlSecTransformCheckId(transform, xmlSecNssTransformKWDes3Id), -1);
+ xmlSecAssert2((transform->operation == xmlSecTransformOperationEncrypt) || (transform->operation == xmlSecTransformOperationDecrypt), -1);
+ xmlSecAssert2(xmlSecTransformCheckSize(transform, xmlSecNssKWDes3Size), -1);
+ xmlSecAssert2(key != NULL, -1);
+ xmlSecAssert2(xmlSecKeyDataCheckId(xmlSecKeyGetValue(key), xmlSecNssKeyDataDesId), -1);
+
+ ctx = xmlSecNssKWDes3GetCtx(transform);
+ xmlSecAssert2(ctx != NULL, -1);
+
+ buffer = xmlSecKeyDataBinaryValueGetBuffer(xmlSecKeyGetValue(key));
+ xmlSecAssert2(buffer != NULL, -1);
+
+ keySize = xmlSecBufferGetSize(buffer);
+ if(keySize < XMLSEC_KW_DES3_KEY_LENGTH) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
+ NULL,
+ XMLSEC_ERRORS_R_INVALID_KEY_DATA_SIZE,
+ "key length %d is not enough (%d expected)",
+ keySize, XMLSEC_KW_DES3_KEY_LENGTH);
+ return(-1);
+ }
+
+ ret = xmlSecBufferSetData(&(ctx->keyBuffer), xmlSecBufferGetData(buffer), XMLSEC_KW_DES3_KEY_LENGTH);
+ if(ret < 0) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
+ "xmlSecBufferSetData",
+ XMLSEC_ERRORS_R_XMLSEC_FAILED,
+ "size=%d", XMLSEC_KW_DES3_KEY_LENGTH);
+ return(-1);
+ }
+
+ return(0);
+}
+
+static int
+xmlSecNssKWDes3Execute(xmlSecTransformPtr transform, int last, xmlSecTransformCtxPtr transformCtx) {
+ xmlSecNssKWDes3CtxPtr ctx;
+ xmlSecBufferPtr in, out;
+ xmlSecSize inSize, outSize, keySize;
+ int ret;
+
+ xmlSecAssert2(xmlSecTransformCheckId(transform, xmlSecNssTransformKWDes3Id), -1);
+ xmlSecAssert2((transform->operation == xmlSecTransformOperationEncrypt) || (transform->operation == xmlSecTransformOperationDecrypt), -1);
+ xmlSecAssert2(xmlSecTransformCheckSize(transform, xmlSecNssKWDes3Size), -1);
+ xmlSecAssert2(transformCtx != NULL, -1);
+
+ ctx = xmlSecNssKWDes3GetCtx(transform);
+ xmlSecAssert2(ctx != NULL, -1);
+
+ keySize = xmlSecBufferGetSize(&(ctx->keyBuffer));
+ xmlSecAssert2(keySize == XMLSEC_KW_DES3_KEY_LENGTH, -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 % XMLSEC_KW_DES3_BLOCK_LENGTH) != 0) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
+ NULL,
+ XMLSEC_ERRORS_R_INVALID_SIZE,
+ "%d bytes - not %d bytes aligned",
+ inSize, XMLSEC_KW_DES3_BLOCK_LENGTH);
+ return(-1);
+ }
+
+ if(transform->operation == xmlSecTransformOperationEncrypt) {
+ /* the encoded key might be 16 bytes longer plus one block just in case */
+ outSize = inSize + XMLSEC_KW_DES3_IV_LENGTH +
+ XMLSEC_KW_DES3_BLOCK_LENGTH +
+ XMLSEC_KW_DES3_BLOCK_LENGTH;
+ } else {
+ /* just in case, add a block */
+ outSize = inSize + XMLSEC_KW_DES3_BLOCK_LENGTH;
+ }
+
+ ret = xmlSecBufferSetMaxSize(out, outSize);
+ if(ret < 0) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
+ "xmlSecBufferSetMaxSize",
+ XMLSEC_ERRORS_R_XMLSEC_FAILED,
+ "size=%d", outSize);
+ return(-1);
+ }
+
+ if(transform->operation == xmlSecTransformOperationEncrypt) {
+ ret = xmlSecKWDes3Encode(&xmlSecNssKWDes3ImplKlass, ctx,
+ xmlSecBufferGetData(in), inSize,
+ xmlSecBufferGetData(out), outSize);
+ if(ret < 0) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
+ "xmlSecKWDes3Encode",
+ XMLSEC_ERRORS_R_XMLSEC_FAILED,
+ "key=%d,in=%d,out=%d",
+ keySize, inSize, outSize);
+ return(-1);
+ }
+ outSize = ret;
+ } else {
+ ret = xmlSecKWDes3Decode(&xmlSecNssKWDes3ImplKlass, ctx,
+ xmlSecBufferGetData(in), inSize,
+ xmlSecBufferGetData(out), outSize);
+ if(ret < 0) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
+ "xmlSecKWDes3Decode",
+ XMLSEC_ERRORS_R_XMLSEC_FAILED,
+ "key=%d,in=%d,out=%d",
+ keySize, inSize, outSize);
+ return(-1);
+ }
+ outSize = ret;
+ }
+
+ ret = xmlSecBufferSetSize(out, outSize);
+ if(ret < 0) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
+ "xmlSecBufferSetSize",
+ XMLSEC_ERRORS_R_XMLSEC_FAILED,
+ "size=%d", outSize);
+ return(-1);
+ }
+
+ ret = xmlSecBufferRemoveHead(in, inSize);
+ if(ret < 0) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
+ "xmlSecBufferRemoveHead",
+ XMLSEC_ERRORS_R_XMLSEC_FAILED,
+ "size=%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);
+}
+
+/*********************************************************************
+ *
+ * DES KW implementation
+ *
+ *********************************************************************/
+static int
+xmlSecNssKWDes3Sha1(void * context,
+ const xmlSecByte * in, xmlSecSize inSize,
+ xmlSecByte * out, xmlSecSize outSize) {
+ xmlSecNssKWDes3CtxPtr ctx = (xmlSecNssKWDes3CtxPtr)context;
+ PK11Context *pk11ctx = NULL;
+ unsigned int outLen = 0;
+ SECStatus status;
+
+ xmlSecAssert2(ctx != NULL, -1);
+ xmlSecAssert2(in != NULL, -1);
+ xmlSecAssert2(inSize > 0, -1);
+ xmlSecAssert2(out != NULL, -1);
+ xmlSecAssert2(outSize >= SHA1_LENGTH, -1);
+
+ /* Create a pk11ctx for hashing (digesting) */
+ pk11ctx = PK11_CreateDigestContext(SEC_OID_SHA1);
+ if (pk11ctx == NULL) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ NULL,
+ "PK11_CreateDigestContext",
+ XMLSEC_ERRORS_R_CRYPTO_FAILED,
+ XMLSEC_ERRORS_NO_MESSAGE);
+ return(-1);
+ }
+
+ status = PK11_DigestBegin(pk11ctx);
+ if (status != SECSuccess) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ NULL,
+ "PK11_DigestBegin",
+ XMLSEC_ERRORS_R_CRYPTO_FAILED,
+ XMLSEC_ERRORS_NO_MESSAGE);
+ PK11_DestroyContext(pk11ctx, PR_TRUE);
+ return(-1);
+ }
+
+ status = PK11_DigestOp(pk11ctx, in, inSize);
+ if (status != SECSuccess) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ NULL,
+ "PK11_DigestOp",
+ XMLSEC_ERRORS_R_CRYPTO_FAILED,
+ XMLSEC_ERRORS_NO_MESSAGE);
+ PK11_DestroyContext(pk11ctx, PR_TRUE);
+ return(-1);
+ }
+
+ status = PK11_DigestFinal(pk11ctx, out, &outLen, outSize);
+ if (status != SECSuccess) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ NULL,
+ "PK11_DigestFinal",
+ XMLSEC_ERRORS_R_CRYPTO_FAILED,
+ XMLSEC_ERRORS_NO_MESSAGE);
+ PK11_DestroyContext(pk11ctx, PR_TRUE);
+ return(-1);
+ }
+
+ /* done */
+ PK11_DestroyContext(pk11ctx, PR_TRUE);
+ xmlSecAssert2(outLen == SHA1_LENGTH, -1);
+ return(outLen);
+}
+
+static int
+xmlSecNssKWDes3GenerateRandom(void * context,
+ xmlSecByte * out, xmlSecSize outSize) {
+ xmlSecNssKWDes3CtxPtr ctx = (xmlSecNssKWDes3CtxPtr)context;
+ SECStatus status;
+
+ xmlSecAssert2(ctx != NULL, -1);
+ xmlSecAssert2(out != NULL, -1);
+ xmlSecAssert2(outSize > 0, -1);
+
+ status = PK11_GenerateRandom(out, outSize);
+ if(status != SECSuccess) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ NULL,
+ "PK11_GenerateRandom",
+ XMLSEC_ERRORS_R_CRYPTO_FAILED,
+ XMLSEC_ERRORS_NO_MESSAGE);
+ return(-1);
+ }
+
+ return((int)outSize);
+}
+
+static int
+xmlSecNssKWDes3BlockEncrypt(void * context,
+ const xmlSecByte * iv, xmlSecSize ivSize,
+ const xmlSecByte * in, xmlSecSize inSize,
+ xmlSecByte * out, xmlSecSize outSize) {
+ xmlSecNssKWDes3CtxPtr ctx = (xmlSecNssKWDes3CtxPtr)context;
+ int ret;
+
+ xmlSecAssert2(ctx != NULL, -1);
+ xmlSecAssert2(xmlSecBufferGetData(&(ctx->keyBuffer)) != NULL, -1);
+ xmlSecAssert2(xmlSecBufferGetSize(&(ctx->keyBuffer)) >= XMLSEC_KW_DES3_KEY_LENGTH, -1);
+ xmlSecAssert2(iv != NULL, -1);
+ xmlSecAssert2(ivSize >= XMLSEC_KW_DES3_IV_LENGTH, -1);
+ xmlSecAssert2(in != NULL, -1);
+ xmlSecAssert2(inSize > 0, -1);
+ xmlSecAssert2(out != NULL, -1);
+ xmlSecAssert2(outSize >= inSize, -1);
+
+ ret = xmlSecNssKWDes3Encrypt(xmlSecBufferGetData(&(ctx->keyBuffer)), XMLSEC_KW_DES3_KEY_LENGTH,
+ iv, XMLSEC_KW_DES3_IV_LENGTH,
+ in, inSize,
+ out, outSize,
+ 1); /* encrypt */
+ if(ret < 0) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ NULL,
+ "xmlSecNssKWDes3Encrypt",
+ XMLSEC_ERRORS_R_XMLSEC_FAILED,
+ XMLSEC_ERRORS_NO_MESSAGE);
+ return(-1);
+ }
+
+ return(ret);
+}
+
+static int
+xmlSecNssKWDes3BlockDecrypt(void * context,
+ const xmlSecByte * iv, xmlSecSize ivSize,
+ const xmlSecByte * in, xmlSecSize inSize,
+ xmlSecByte * out, xmlSecSize outSize) {
+ xmlSecNssKWDes3CtxPtr ctx = (xmlSecNssKWDes3CtxPtr)context;
+ int ret;
+
+ xmlSecAssert2(ctx != NULL, -1);
+ xmlSecAssert2(xmlSecBufferGetData(&(ctx->keyBuffer)) != NULL, -1);
+ xmlSecAssert2(xmlSecBufferGetSize(&(ctx->keyBuffer)) >= XMLSEC_KW_DES3_KEY_LENGTH, -1);
+ xmlSecAssert2(iv != NULL, -1);
+ xmlSecAssert2(ivSize >= XMLSEC_KW_DES3_IV_LENGTH, -1);
+ xmlSecAssert2(in != NULL, -1);
+ xmlSecAssert2(inSize > 0, -1);
+ xmlSecAssert2(out != NULL, -1);
+ xmlSecAssert2(outSize >= inSize, -1);
+
+ ret = xmlSecNssKWDes3Encrypt(xmlSecBufferGetData(&(ctx->keyBuffer)), XMLSEC_KW_DES3_KEY_LENGTH,
+ iv, XMLSEC_KW_DES3_IV_LENGTH,
+ in, inSize,
+ out, outSize,
+ 0); /* decrypt */
+ if(ret < 0) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ NULL,
+ "xmlSecNssKWDes3Encrypt",
+ XMLSEC_ERRORS_R_XMLSEC_FAILED,
+ XMLSEC_ERRORS_NO_MESSAGE);
+ return(-1);
+ }
+
+ return(ret);
+}
+
+
+
+static int
+xmlSecNssKWDes3Encrypt(const xmlSecByte *key, xmlSecSize keySize,
+ const xmlSecByte *iv, xmlSecSize ivSize,
+ const xmlSecByte *in, xmlSecSize inSize,
+ xmlSecByte *out, xmlSecSize outSize,
+ int enc) {
+ CK_MECHANISM_TYPE cipherMech;
+ PK11SlotInfo* slot = NULL;
+ PK11SymKey* symKey = NULL;
+ SECItem* param = NULL;
+ PK11Context* pk11ctx = NULL;
+ SECItem keyItem, ivItem;
+ SECStatus status;
+ int result_len = -1;
+ int tmp1_outlen;
+ unsigned int tmp2_outlen;
+
+ xmlSecAssert2(key != NULL, -1);
+ xmlSecAssert2(keySize == XMLSEC_KW_DES3_KEY_LENGTH, -1);
+ xmlSecAssert2(iv != NULL, -1);
+ xmlSecAssert2(ivSize == XMLSEC_KW_DES3_IV_LENGTH, -1);
+ xmlSecAssert2(in != NULL, -1);
+ xmlSecAssert2(inSize > 0, -1);
+ xmlSecAssert2(out != NULL, -1);
+ xmlSecAssert2(outSize >= inSize, -1);
+
+ cipherMech = CKM_DES3_CBC;
+ slot = PK11_GetBestSlot(cipherMech, NULL);
+ if (slot == NULL) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ NULL,
+ "PK11_GetBestSlot",
+ XMLSEC_ERRORS_R_CRYPTO_FAILED,
+ XMLSEC_ERRORS_NO_MESSAGE);
+ goto done;
+ }
+
+ keyItem.data = (unsigned char *)key;
+ keyItem.len = keySize;
+ symKey = PK11_ImportSymKey(slot, cipherMech, PK11_OriginUnwrap,
+ enc ? CKA_ENCRYPT : CKA_DECRYPT, &keyItem, NULL);
+ if (symKey == NULL) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ NULL,
+ "PK11_ImportSymKey",
+ XMLSEC_ERRORS_R_CRYPTO_FAILED,
+ XMLSEC_ERRORS_NO_MESSAGE);
+ goto done;
+ }
+
+ ivItem.data = (unsigned char *)iv;
+ ivItem.len = ivSize;
+
+ param = PK11_ParamFromIV(cipherMech, &ivItem);
+ if (param == NULL) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ NULL,
+ "PK11_ParamFromIV",
+ XMLSEC_ERRORS_R_CRYPTO_FAILED,
+ XMLSEC_ERRORS_NO_MESSAGE);
+ goto done;
+ }
+
+ pk11ctx = PK11_CreateContextBySymKey(cipherMech,
+ enc ? CKA_ENCRYPT : CKA_DECRYPT,
+ symKey, param);
+ if (pk11ctx == NULL) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ NULL,
+ "PK11_CreateContextBySymKey",
+ XMLSEC_ERRORS_R_CRYPTO_FAILED,
+ XMLSEC_ERRORS_NO_MESSAGE);
+ goto done;
+ }
+
+ tmp1_outlen = tmp2_outlen = 0;
+ status = PK11_CipherOp(pk11ctx, out, &tmp1_outlen, outSize,
+ (unsigned char *)in, inSize);
+ if (status != SECSuccess) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ NULL,
+ "PK11_CipherOp",
+ XMLSEC_ERRORS_R_CRYPTO_FAILED,
+ XMLSEC_ERRORS_NO_MESSAGE);
+ goto done;
+ }
+
+ status = PK11_DigestFinal(pk11ctx, out+tmp1_outlen,
+ &tmp2_outlen, outSize-tmp1_outlen);
+ if (status != SECSuccess) {
+ xmlSecError(XMLSEC_ERRORS_HERE,
+ NULL,
+ "PK11_DigestFinal",
+ XMLSEC_ERRORS_R_CRYPTO_FAILED,
+ XMLSEC_ERRORS_NO_MESSAGE);
+ goto done;
+ }
+
+ result_len = tmp1_outlen + tmp2_outlen;
+
+done:
+ if (slot) {
+ PK11_FreeSlot(slot);
+ }
+ if (symKey) {
+ PK11_FreeSymKey(symKey);
+ }
+ if (param) {
+ SECITEM_FreeItem(param, PR_TRUE);
+ }
+ if (pk11ctx) {
+ PK11_DestroyContext(pk11ctx, PR_TRUE);
+ }
+
+ return(result_len);
+}
+
+
+#endif /* XMLSEC_NO_DES */
+