Repo created

TMessagesProj/jni/voip/webrtc/base/hash/sha1.h

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+// 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.
+
+#ifndef BASE_HASH_SHA1_H_
+#define BASE_HASH_SHA1_H_
+
+#include <stddef.h>
+
+#include <array>
+#include <string>
+
+#include "base/base_export.h"
+#include "base/containers/span.h"
+
+namespace base {
+
+// These functions perform SHA-1 operations.
+
+enum { kSHA1Length = 20 };  // Length in bytes of a SHA-1 hash.
+
+// The output of a SHA-1 operation.
+using SHA1Digest = std::array<uint8_t, kSHA1Length>;
+
+// Computes the SHA-1 hash of the input |data| and returns the full hash.
+BASE_EXPORT SHA1Digest SHA1HashSpan(span<const uint8_t> data);
+
+// Computes the SHA-1 hash of the input string |str| and returns the full
+// hash.
+BASE_EXPORT std::string SHA1HashString(const std::string& str);
+
+// Computes the SHA-1 hash of the |len| bytes in |data| and puts the hash
+// in |hash|. |hash| must be kSHA1Length bytes long.
+BASE_EXPORT void SHA1HashBytes(const unsigned char* data,
+                               size_t len,
+                               unsigned char* hash);
+
+}  // namespace base
+
+#endif  // BASE_HASH_SHA1_H_