f048872e91
migrating talk/base to webrtc/base. BUG=N/A R=niklas.enbom@webrtc.org Review URL: https://webrtc-codereview.appspot.com/17479005 git-svn-id: http://webrtc.googlecode.com/svn/trunk@6129 4adac7df-926f-26a2-2b94-8c16560cd09d
48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
/*
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* Copyright 2012 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_BASE_SHA1DIGEST_H_
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#define WEBRTC_BASE_SHA1DIGEST_H_
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#include "webrtc/base/messagedigest.h"
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#include "webrtc/base/sha1.h"
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namespace rtc {
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// A simple wrapper for our SHA-1 implementation.
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class Sha1Digest : public MessageDigest {
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public:
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enum { kSize = SHA1_DIGEST_SIZE };
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Sha1Digest() {
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SHA1Init(&ctx_);
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}
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virtual size_t Size() const {
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return kSize;
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}
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virtual void Update(const void* buf, size_t len) {
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SHA1Update(&ctx_, static_cast<const uint8*>(buf), len);
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}
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virtual size_t Finish(void* buf, size_t len) {
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if (len < kSize) {
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return 0;
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}
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SHA1Final(&ctx_, static_cast<uint8*>(buf));
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SHA1Init(&ctx_); // Reset for next use.
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return kSize;
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}
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private:
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SHA1_CTX ctx_;
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};
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} // namespace rtc
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#endif // WEBRTC_BASE_SHA1DIGEST_H_
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