Introduce RSAPrivateKey::SignDigest

crypto/rsa_private_key.h

 // Copyright (c) 2012 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 CRYPTO_RSA_PRIVATE_KEY_H_
 #define CRYPTO_RSA_PRIVATE_KEY_H_
 
 #include "build/build_config.h"
 
 #include <list>
@@ skipping 203 matching lines @@
 
   // Creates a copy of the object.
   RSAPrivateKey* Copy() const;
 
   // Exports the private key to a PKCS #1 PrivateKey block.
   bool ExportPrivateKey(std::vector<uint8>* output) const;
 
   // Exports the public key to an X509 SubjectPublicKeyInfo block.
   bool ExportPublicKey(std::vector<uint8>* output) const;
 
+  // Signs the message |digest| using this private key as specified in
+  // PKCS #1. Assumes the digest was created using SHA1 algorithm.
+  bool SignDigest(const std::vector<uint8>& digest,
+                  std::vector<uint8>* output) const;

[Ryan Sleevi, 2013/07/08 18:09:37]

This shouldn't really hang off RSAPrivateKey.

We've intentionally created the SignatureCreator interface to disconnect the
keys from operations that may be performed with the keys.

[pfeldman, 2013/07/08 20:42:50]

Done.

+
  private:
 #if defined(USE_NSS)
   FRIEND_TEST_ALL_PREFIXES(RSAPrivateKeyNSSTest, FindFromPublicKey);
   FRIEND_TEST_ALL_PREFIXES(RSAPrivateKeyNSSTest, FailedFindFromPublicKey);
 #endif
 
   // Constructor is private. Use one of the Create*() or Find*()
   // methods above instead.
   RSAPrivateKey();
 
@@ skipping 19 matching lines @@
   SECKEYPrivateKey* key_;
   SECKEYPublicKey* public_key_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(RSAPrivateKey);
 };
 
 }  // namespace crypto
 
 #endif  // CRYPTO_RSA_PRIVATE_KEY_H_