Security-57031.1.35.tar.gz

[apple/security.git] / libsecurity_apple_csp / lib / MacContext.cpp

diff --git a/libsecurity_apple_csp/lib/MacContext.cpp b/libsecurity_apple_csp/lib/MacContext.cpp
deleted file mode 100644 (file)
index 67e2732..0000000
--- a/libsecurity_apple_csp/lib/MacContext.cpp
+++ /dev/null
@@ -1,176 +0,0 @@
-/*
- * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
- * 
- * The contents of this file constitute Original Code as defined in and are
- * subject to the Apple Public Source License Version 1.2 (the 'License').
- * You may not use this file except in compliance with the License. Please obtain
- * a copy of the License at http://www.apple.com/publicsource and read it before
- * using this file.
- * 
- * This Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
- * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
- * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
- * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
- * specific language governing rights and limitations under the License.
- */
-
-/*
- * MacContext.cpp - AppleCSPContext for HMACSHA1
- */
-
-#include "MacContext.h"
-#include <HMACSHA1.h>
-#include <Security/cssmerr.h>
-#include <CommonCrypto/CommonDigest.h> /* for digest sizes */
-#ifdef CRYPTKIT_CSP_ENABLE
-#include <security_cryptkit/HmacSha1Legacy.h>
-#endif /* CRYPTKIT_CSP_ENABLE */
-
-MacContext::~MacContext()
-{
-       memset(&hmacCtx, 0, sizeof(hmacCtx));
-}
-       
-/* called out from CSPFullPluginSession....
- * both generate and verify */
-void MacContext::init(const Context &context, bool isSigning)
-{
-       CCHmacAlgorithm ccAlg;
-       
-       /* obtain key from context */
-       CSSM_SIZE       keyLen;
-       uint8           *keyData        = NULL;
-       
-       symmetricKeyBits(context, session(), mAlg, 
-               isSigning ? CSSM_KEYUSE_SIGN : CSSM_KEYUSE_VERIFY,
-               keyData, keyLen);
-       uint32 minKey = 0;
-       switch(mAlg) {
-               case CSSM_ALGID_SHA1HMAC:
-                       minKey = HMAC_SHA_MIN_KEY_SIZE;
-                       mDigestSize = CC_SHA1_DIGEST_LENGTH;
-                       ccAlg = kCCHmacAlgSHA1;
-                       break;
-               case CSSM_ALGID_MD5HMAC:
-                       minKey = HMAC_MD5_MIN_KEY_SIZE;
-                       mDigestSize = CC_MD5_DIGEST_LENGTH;
-                       ccAlg = kCCHmacAlgMD5;
-                       break;
-               default:
-                       assert(0);                      // factory should not have called us
-                       CssmError::throwMe(CSSMERR_CSP_INVALID_ALGORITHM);
-       }
-       if((keyLen < minKey) || (keyLen > HMAC_MAX_KEY_SIZE)) {
-               CssmError::throwMe(CSSMERR_CSP_INVALID_ATTR_KEY);
-       }
-       CCHmacInit(&hmacCtx, ccAlg, keyData, keyLen);
-}
-
-void MacContext::update(const CssmData &data)
-{
-       CCHmacUpdate(&hmacCtx, data.data(), data.length());
-}
-
-/* generate only */
-void MacContext::final(CssmData &out)
-{
-       if(out.length() < mDigestSize) {
-               CssmError::throwMe(CSSMERR_CSP_OUTPUT_LENGTH_ERROR);
-       }
-       CCHmacFinal(&hmacCtx, out.data());
-       out.Length = mDigestSize;
-}
-
-/* verify only */
-#define MAX_DIGEST_SIZE                CC_SHA1_DIGEST_LENGTH
-
-void MacContext::final(const CssmData &in)
-{
-       unsigned char mac[MAX_DIGEST_SIZE];
-       
-       CCHmacFinal(&hmacCtx, mac);
-       if(memcmp(mac, in.data(), mDigestSize)) {
-               CssmError::throwMe(CSSMERR_CSP_VERIFY_FAILED);
-       }
-}
-
-size_t MacContext::outputSize(bool final, size_t inSize)
-{
-       return mDigestSize;
-}
-
-#ifdef         CRYPTKIT_CSP_ENABLE
-
-MacLegacyContext::~MacLegacyContext()
-{
-       if(mHmac) {
-               hmacLegacyFree(mHmac);
-               mHmac = NULL;
-       }
-}
-       
-/* called out from CSPFullPluginSession....
- * both generate and verify: */
-void MacLegacyContext::init(const Context &context, bool isSigning)
-{
-       if(mHmac == NULL) {
-               mHmac = hmacLegacyAlloc();
-               if(mHmac == NULL) {
-                       CssmError::throwMe(CSSMERR_CSP_MEMORY_ERROR);
-               }
-       }
-       
-       /* obtain key from context */
-       CSSM_SIZE       keyLen;
-       uint8           *keyData        = NULL;
-       
-       /* FIXME - this may require a different key alg */
-       symmetricKeyBits(context, session(), CSSM_ALGID_SHA1HMAC, 
-               isSigning ? CSSM_KEYUSE_SIGN : CSSM_KEYUSE_VERIFY,
-               keyData, keyLen);
-       if((keyLen < HMAC_SHA_MIN_KEY_SIZE) || (keyLen > HMAC_MAX_KEY_SIZE)) {
-               CssmError::throwMe(CSSMERR_CSP_INVALID_ATTR_KEY);
-       }
-       
-       OSStatus ortn = hmacLegacyInit(mHmac, keyData, (UInt32)keyLen);
-       if(ortn) {
-               MacOSError::throwMe(ortn);
-       }
-}
-
-void MacLegacyContext::update(const CssmData &data)
-{
-       OSStatus ortn = hmacLegacyUpdate(mHmac,
-               data.data(),
-               (UInt32)data.length());
-       if(ortn) {
-               MacOSError::throwMe(ortn);
-       }
-}
-
-/* generate only */
-void MacLegacyContext::final(CssmData &out)
-{
-       if(out.length() < kHMACSHA1DigestSize) {
-               CssmError::throwMe(CSSMERR_CSP_OUTPUT_LENGTH_ERROR);
-       }
-       hmacLegacyFinal(mHmac, out.data());
-}
-
-/* verify only */
-void MacLegacyContext::final(const CssmData &in)
-{
-       unsigned char mac[kHMACSHA1DigestSize];
-       hmacLegacyFinal(mHmac, mac);
-       if(memcmp(mac, in.data(), kHMACSHA1DigestSize)) {
-               CssmError::throwMe(CSSMERR_CSP_VERIFY_FAILED);
-       }
-}
-
-size_t MacLegacyContext::outputSize(bool final, size_t inSize)
-{
-       return kHMACSHA1DigestSize;
-}
-
-#endif /* CRYPTKIT_CSP_ENABLE */