Index: base/crypto/signature_verifier_mac.cc |
=================================================================== |
--- base/crypto/signature_verifier_mac.cc (revision 80572) |
+++ base/crypto/signature_verifier_mac.cc (working copy) |
@@ -1,105 +0,0 @@ |
-// Copyright (c) 2009 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-#include "base/crypto/signature_verifier.h" |
- |
-#include <stdlib.h> |
- |
-#include "base/crypto/cssm_init.h" |
-#include "base/logging.h" |
- |
-namespace base { |
- |
-SignatureVerifier::SignatureVerifier() : sig_handle_(0) { |
- EnsureCSSMInit(); |
-} |
- |
-SignatureVerifier::~SignatureVerifier() { |
- Reset(); |
-} |
- |
-bool SignatureVerifier::VerifyInit(const uint8* signature_algorithm, |
- int signature_algorithm_len, |
- const uint8* signature, |
- int signature_len, |
- const uint8* public_key_info, |
- int public_key_info_len) { |
- signature_.assign(signature, signature + signature_len); |
- public_key_info_.assign(public_key_info, |
- public_key_info + public_key_info_len); |
- |
- CSSM_ALGORITHMS key_alg = CSSM_ALGID_RSA; // TODO(wtc): hardcoded. |
- |
- memset(&public_key_, 0, sizeof(public_key_)); |
- public_key_.KeyData.Data = const_cast<uint8*>(&public_key_info_[0]); |
- public_key_.KeyData.Length = public_key_info_.size(); |
- public_key_.KeyHeader.HeaderVersion = CSSM_KEYHEADER_VERSION; |
- public_key_.KeyHeader.BlobType = CSSM_KEYBLOB_RAW; |
- public_key_.KeyHeader.Format = CSSM_KEYBLOB_RAW_FORMAT_X509; |
- public_key_.KeyHeader.AlgorithmId = key_alg; |
- public_key_.KeyHeader.KeyClass = CSSM_KEYCLASS_PUBLIC_KEY; |
- public_key_.KeyHeader.KeyAttr = CSSM_KEYATTR_EXTRACTABLE; |
- public_key_.KeyHeader.KeyUsage = CSSM_KEYUSE_VERIFY; |
- CSSM_KEY_SIZE key_size; |
- CSSM_RETURN crtn; |
- crtn = CSSM_QueryKeySizeInBits(GetSharedCSPHandle(), NULL, |
- &public_key_, &key_size); |
- if (crtn) { |
- NOTREACHED() << "CSSM_QueryKeySizeInBits failed: " << crtn; |
- return false; |
- } |
- public_key_.KeyHeader.LogicalKeySizeInBits = key_size.LogicalKeySizeInBits; |
- |
- // TODO(wtc): decode signature_algorithm... |
- CSSM_ALGORITHMS sig_alg = CSSM_ALGID_SHA1WithRSA; |
- |
- crtn = CSSM_CSP_CreateSignatureContext(GetSharedCSPHandle(), sig_alg, NULL, |
- &public_key_, &sig_handle_); |
- if (crtn) { |
- NOTREACHED(); |
- return false; |
- } |
- crtn = CSSM_VerifyDataInit(sig_handle_); |
- if (crtn) { |
- NOTREACHED(); |
- return false; |
- } |
- return true; |
-} |
- |
-void SignatureVerifier::VerifyUpdate(const uint8* data_part, |
- int data_part_len) { |
- CSSM_DATA data; |
- data.Data = const_cast<uint8*>(data_part); |
- data.Length = data_part_len; |
- CSSM_RETURN crtn = CSSM_VerifyDataUpdate(sig_handle_, &data, 1); |
- DCHECK(crtn == CSSM_OK); |
-} |
- |
-bool SignatureVerifier::VerifyFinal() { |
- CSSM_DATA sig; |
- sig.Data = const_cast<uint8*>(&signature_[0]); |
- sig.Length = signature_.size(); |
- CSSM_RETURN crtn = CSSM_VerifyDataFinal(sig_handle_, &sig); |
- Reset(); |
- |
- // crtn is CSSMERR_CSP_VERIFY_FAILED if signature verification fails. |
- return (crtn == CSSM_OK); |
-} |
- |
-void SignatureVerifier::Reset() { |
- CSSM_RETURN crtn; |
- if (sig_handle_) { |
- crtn = CSSM_DeleteContext(sig_handle_); |
- DCHECK(crtn == CSSM_OK); |
- sig_handle_ = 0; |
- } |
- signature_.clear(); |
- |
- // Can't call CSSM_FreeKey on public_key_ because we constructed |
- // public_key_ manually. |
-} |
- |
-} // namespace base |
- |