Index: base/crypto/signature_verifier_openssl.cc |
=================================================================== |
--- base/crypto/signature_verifier_openssl.cc (revision 81350) |
+++ base/crypto/signature_verifier_openssl.cc (working copy) |
@@ -1,94 +0,0 @@ |
-// 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 "base/crypto/signature_verifier.h" |
- |
-#include <openssl/evp.h> |
-#include <openssl/x509.h> |
- |
-#include <vector> |
- |
-#include "base/logging.h" |
-#include "base/memory/scoped_ptr.h" |
-#include "base/openssl_util.h" |
-#include "base/stl_util-inl.h" |
- |
-namespace base { |
- |
-struct SignatureVerifier::VerifyContext { |
- ScopedOpenSSL<EVP_PKEY, EVP_PKEY_free> public_key; |
- ScopedOpenSSL<EVP_MD_CTX, EVP_MD_CTX_destroy> ctx; |
-}; |
- |
-SignatureVerifier::SignatureVerifier() |
- : verify_context_(NULL) { |
-} |
- |
-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) { |
- DCHECK(!verify_context_); |
- verify_context_ = new VerifyContext; |
- OpenSSLErrStackTracer err_tracer(FROM_HERE); |
- |
- ScopedOpenSSL<X509_ALGOR, X509_ALGOR_free> algorithm( |
- d2i_X509_ALGOR(NULL, &signature_algorithm, signature_algorithm_len)); |
- if (!algorithm.get()) |
- return false; |
- |
- const EVP_MD* digest = EVP_get_digestbyobj(algorithm.get()->algorithm); |
- DCHECK(digest); |
- |
- signature_.assign(signature, signature + signature_len); |
- |
- // BIO_new_mem_buf is not const aware, but it does not modify the buffer. |
- char* data = reinterpret_cast<char*>(const_cast<uint8*>(public_key_info)); |
- ScopedOpenSSL<BIO, BIO_free_all> bio(BIO_new_mem_buf(data, |
- public_key_info_len)); |
- if (!bio.get()) |
- return false; |
- |
- verify_context_->public_key.reset(d2i_PUBKEY_bio(bio.get(), NULL)); |
- if (!verify_context_->public_key.get()) |
- return false; |
- |
- verify_context_->ctx.reset(EVP_MD_CTX_create()); |
- int rv = EVP_VerifyInit_ex(verify_context_->ctx.get(), digest, NULL); |
- return rv == 1; |
-} |
- |
-void SignatureVerifier::VerifyUpdate(const uint8* data_part, |
- int data_part_len) { |
- DCHECK(verify_context_); |
- OpenSSLErrStackTracer err_tracer(FROM_HERE); |
- int rv = EVP_VerifyUpdate(verify_context_->ctx.get(), |
- data_part, data_part_len); |
- DCHECK_EQ(rv, 1); |
-} |
- |
-bool SignatureVerifier::VerifyFinal() { |
- DCHECK(verify_context_); |
- OpenSSLErrStackTracer err_tracer(FROM_HERE); |
- int rv = EVP_VerifyFinal(verify_context_->ctx.get(), |
- vector_as_array(&signature_), signature_.size(), |
- verify_context_->public_key.get()); |
- DCHECK_GE(rv, 0); |
- Reset(); |
- return rv == 1; |
-} |
- |
-void SignatureVerifier::Reset() { |
- delete verify_context_; |
- verify_context_ = NULL; |
- signature_.clear(); |
-} |
- |
-} // namespace base |