blob: a6b4ff8e086741c76d3ca22cdd646e817fecfe34 [file] [log] [blame]
// Copyright 2014 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.
// TODO(jww) The original Blink-style header guard for this file conflicts with
// the header guard in Source/modules/crypto/Crypto.h, so this is a
// Chromium-style header guard instead. There is now a bug
// ( to track a proposal to change all header guards
// to a similar style. Thus, whenever that is resolved, this header guard
// should be changed to whatever style is agreed upon.
#include "platform/PlatformExport.h"
#include "public/platform/WebCrypto.h"
#include "wtf/HashSet.h"
#include "wtf/StringHasher.h"
#include "wtf/Vector.h"
namespace blink {
static const size_t kMaxDigestSize = 64;
typedef Vector<uint8_t, kMaxDigestSize> DigestValue;
const size_t sha1HashSize = 20;
enum HashAlgorithm {
PLATFORM_EXPORT bool computeDigest(HashAlgorithm, const char* digestable, size_t length, DigestValue& digestResult);
PLATFORM_EXPORT PassOwnPtr<WebCryptoDigestor> createDigestor(HashAlgorithm);
PLATFORM_EXPORT void finishDigestor(WebCryptoDigestor*, DigestValue& digestResult);
} // namespace blink
namespace WTF {
struct DigestValueHash {
static unsigned hash(const blink::DigestValue& v)
return StringHasher::computeHash(, v.size());
static bool equal(const blink::DigestValue& a, const blink::DigestValue& b)
return a == b;
static const bool safeToCompareToEmptyOrDeleted = true;
template <>
struct DefaultHash<blink::DigestValue> {
typedef DigestValueHash Hash;
template <>
struct DefaultHash<blink::HashAlgorithm> {
typedef IntHash<blink::HashAlgorithm> Hash;
template <>
struct HashTraits<blink::HashAlgorithm> : UnsignedWithZeroKeyHashTraits<blink::HashAlgorithm> {
} // namespace WTF