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Unified Diff: base/crypto/signature_verifier_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: Created 9 years, 8 months ago
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Index: base/crypto/signature_verifier_openssl.cc
===================================================================
--- base/crypto/signature_verifier_openssl.cc (revision 80572)
+++ 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

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