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Unified Diff: crypto/signature_creator_openssl.cc

Issue 6805019: Move crypto files out of base, to a top level directory. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Fixes comments by eroman Created 9 years, 8 months ago
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Index: crypto/signature_creator_openssl.cc
===================================================================
--- crypto/signature_creator_openssl.cc (revision 0)
+++ crypto/signature_creator_openssl.cc (revision 0)
@@ -0,0 +1,54 @@
+// Copyright (c) 2011 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 "crypto/signature_creator.h"
+
+#include <openssl/evp.h>
+
+#include "base/logging.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/stl_util-inl.h"
+#include "crypto/openssl_util.h"
+
+namespace crypto {
+
+// static
+SignatureCreator* SignatureCreator::Create(RSAPrivateKey* key) {
+ OpenSSLErrStackTracer err_tracer(FROM_HERE);
+ scoped_ptr<SignatureCreator> result(new SignatureCreator);
+ result->key_ = key;
+ if (!EVP_SignInit_ex(result->sign_context_, EVP_sha1(), NULL))
+ return NULL;
+ return result.release();
+}
+
+SignatureCreator::SignatureCreator()
+ : sign_context_(EVP_MD_CTX_create()) {
+}
+
+SignatureCreator::~SignatureCreator() {
+ EVP_MD_CTX_destroy(sign_context_);
+}
+
+bool SignatureCreator::Update(const uint8* data_part, int data_part_len) {
+ OpenSSLErrStackTracer err_tracer(FROM_HERE);
+ return EVP_SignUpdate(sign_context_, data_part, data_part_len) == 1;
+}
+
+bool SignatureCreator::Final(std::vector<uint8>* signature) {
+ OpenSSLErrStackTracer err_tracer(FROM_HERE);
+ EVP_PKEY* key = key_->key();
+ signature->resize(EVP_PKEY_size(key));
+
+ unsigned int len = 0;
+ int rv = EVP_SignFinal(sign_context_, vector_as_array(signature), &len, key);
+ if (!rv) {
+ signature->clear();
+ return false;
+ }
+ signature->resize(len);
+ return true;
+}
+
+} // namespace crypto
Property changes on: crypto\signature_creator_openssl.cc
___________________________________________________________________
Added: svn:eol-style
+ LF
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