diff options
Diffstat (limited to 'chromium/third_party/webrtc/base/sha1digest.h')
-rw-r--r-- | chromium/third_party/webrtc/base/sha1digest.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/chromium/third_party/webrtc/base/sha1digest.h b/chromium/third_party/webrtc/base/sha1digest.h new file mode 100644 index 00000000000..fb4c53e6e4d --- /dev/null +++ b/chromium/third_party/webrtc/base/sha1digest.h @@ -0,0 +1,47 @@ +/* + * Copyright 2012 The WebRTC Project Authors. All rights reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#ifndef WEBRTC_BASE_SHA1DIGEST_H_ +#define WEBRTC_BASE_SHA1DIGEST_H_ + +#include "webrtc/base/messagedigest.h" +#include "webrtc/base/sha1.h" + +namespace rtc { + +// A simple wrapper for our SHA-1 implementation. +class Sha1Digest : public MessageDigest { + public: + enum { kSize = SHA1_DIGEST_SIZE }; + Sha1Digest() { + SHA1Init(&ctx_); + } + virtual size_t Size() const { + return kSize; + } + virtual void Update(const void* buf, size_t len) { + SHA1Update(&ctx_, static_cast<const uint8*>(buf), len); + } + virtual size_t Finish(void* buf, size_t len) { + if (len < kSize) { + return 0; + } + SHA1Final(&ctx_, static_cast<uint8*>(buf)); + SHA1Init(&ctx_); // Reset for next use. + return kSize; + } + + private: + SHA1_CTX ctx_; +}; + +} // namespace rtc + +#endif // WEBRTC_BASE_SHA1DIGEST_H_ |