Move webrtc/{base => rtc_base}

webrtc/base/messagedigest.h

 /*
  *  Copyright 2004 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_MESSAGEDIGEST_H_
 #define WEBRTC_BASE_MESSAGEDIGEST_H_
 
-#include <string>
 
-namespace rtc {
-
-// Definitions for the digest algorithms.
-extern const char DIGEST_MD5[];
-extern const char DIGEST_SHA_1[];
-extern const char DIGEST_SHA_224[];
-extern const char DIGEST_SHA_256[];
-extern const char DIGEST_SHA_384[];
-extern const char DIGEST_SHA_512[];
-
-// A general class for computing hashes.
-class MessageDigest {
- public:
-  enum { kMaxSize = 64 };  // Maximum known size (SHA-512)
-  virtual ~MessageDigest() {}
-  // Returns the digest output size (e.g. 16 bytes for MD5).
-  virtual size_t Size() const = 0;
-  // Updates the digest with |len| bytes from |buf|.
-  virtual void Update(const void* buf, size_t len) = 0;
-  // Outputs the digest value to |buf| with length |len|.
-  // Returns the number of bytes written, i.e., Size().
-  virtual size_t Finish(void* buf, size_t len) = 0;
-};
-
-// A factory class for creating digest objects.
-class MessageDigestFactory {
- public:
-  static MessageDigest* Create(const std::string& alg);
-};
-
-// A whitelist of approved digest algorithms from RFC 4572 (FIPS 180).
-bool IsFips180DigestAlgorithm(const std::string& alg);
-
-// Functions to create hashes.
-
-// Computes the hash of |in_len| bytes of |input|, using the |digest| hash
-// implementation, and outputs the hash to the buffer |output|, which is
-// |out_len| bytes long. Returns the number of bytes written to |output| if
-// successful, or 0 if |out_len| was too small.
-size_t ComputeDigest(MessageDigest* digest, const void* input, size_t in_len,
-                     void* output, size_t out_len);
-// Like the previous function, but creates a digest implementation based on
-// the desired digest name |alg|, e.g. DIGEST_SHA_1. Returns 0 if there is no
-// digest with the given name.
-size_t ComputeDigest(const std::string& alg, const void* input, size_t in_len,
-                     void* output, size_t out_len);
-// Computes the hash of |input| using the |digest| hash implementation, and
-// returns it as a hex-encoded string.
-std::string ComputeDigest(MessageDigest* digest, const std::string& input);
-// Like the previous function, but creates a digest implementation based on
-// the desired digest name |alg|, e.g. DIGEST_SHA_1. Returns empty string if
-// there is no digest with the given name.
-std::string ComputeDigest(const std::string& alg, const std::string& input);
-// Like the previous function, but returns an explicit result code.
-bool ComputeDigest(const std::string& alg, const std::string& input,
-                   std::string* output);
-
-// Shorthand way to compute a hex-encoded hash using MD5.
-inline std::string MD5(const std::string& input) {
-  return ComputeDigest(DIGEST_MD5, input);
-}
-
-// Functions to compute RFC 2104 HMACs.
-
-// Computes the HMAC of |in_len| bytes of |input|, using the |digest| hash
-// implementation and |key_len| bytes of |key| to key the HMAC, and outputs
-// the HMAC to the buffer |output|, which is |out_len| bytes long. Returns the
-// number of bytes written to |output| if successful, or 0 if |out_len| was too
-// small.
-size_t ComputeHmac(MessageDigest* digest, const void* key, size_t key_len,
-                   const void* input, size_t in_len,
-                   void* output, size_t out_len);
-// Like the previous function, but creates a digest implementation based on
-// the desired digest name |alg|, e.g. DIGEST_SHA_1. Returns 0 if there is no
-// digest with the given name.
-size_t ComputeHmac(const std::string& alg, const void* key, size_t key_len,
-                   const void* input, size_t in_len,
-                   void* output, size_t out_len);
-// Computes the HMAC of |input| using the |digest| hash implementation and |key|
-// to key the HMAC, and returns it as a hex-encoded string.
-std::string ComputeHmac(MessageDigest* digest, const std::string& key,
-                        const std::string& input);
-// Like the previous function, but creates a digest implementation based on
-// the desired digest name |alg|, e.g. DIGEST_SHA_1. Returns empty string if
-// there is no digest with the given name.
-std::string ComputeHmac(const std::string& alg, const std::string& key,
-                        const std::string& input);
-// Like the previous function, but returns an explicit result code.
-bool ComputeHmac(const std::string& alg, const std::string& key,
-                 const std::string& input, std::string* output);
-
-}  // namespace rtc
+// This header is deprecated and is just left here temporarily during
+// refactoring. See https://bugs.webrtc.org/7634 for more details.
+#include "webrtc/rtc_base/messagedigest.h"
 
 #endif  // WEBRTC_BASE_MESSAGEDIGEST_H_