Base infrastructure for Networking Private API on Windows and Mac.

chrome/browser/extensions/api/networking_private/networking_private_crypto.h

 // Copyright 2013 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 CHROME_BROWSER_EXTENSIONS_API_NETWORKING_PRIVATE_NETWORKING_PRIVATE_CRYPTO_H_
 #define CHROME_BROWSER_EXTENSIONS_API_NETWORKING_PRIVATE_NETWORKING_PRIVATE_CRYPTO_H_
 
 #include <string>
 #include "base/basictypes.h"
 
@@ skipping 10 matching lines @@
   // 1) The MAC address listed in the certificate matches |connected_mac|.
   // 2) The certificate is a valid PEM encoded certificate signed by trusted CA.
   // 3) |signature| is a valid signature for |data|, using the public key in
   // |certificate|
   bool VerifyCredentials(const std::string& certificate,
                          const std::string& signature,
                          const std::string& data,
                          const std::string& connected_mac);
 
   // Encrypt |data| with |public_key|. |public_key| is a DER-encoded
-  // RSAPublicKey. |data| is some string of bytes at smaller than the
-  // maximum length permissable for encryption with a key of |public_key| size.
+  // RSAPublicKey. |data| is some string of bytes that is smaller than the
+  // maximum length permissible for PKCS#1 v1.5 with a key of |public_key| size.
   //
   // Returns true on success, storing the encrypted result in
   // |encrypted_output|.
   bool EncryptByteString(const std::string& public_key,
                          const std::string& data,
                          std::string* encrypted_output);
 
  private:
   friend class NetworkingPrivateCryptoTest;
 
   // Decrypt |encrypted_data| with |private_key_pem|. |private_key_pem| is the
   // PKCS8 PEM-encoded private key. |encrypted_data| is data encrypted with
   // EncryptByteString. Used in NetworkingPrivateCryptoTest::EncryptString test.
   //
   // Returns true on success, storing the decrypted result in
   // |decrypted_output|.
   bool DecryptByteString(const std::string& private_key_pem,
                          const std::string& encrypted_data,
                          std::string* decrypted_output);
 
   DISALLOW_COPY_AND_ASSIGN(NetworkingPrivateCrypto);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_NETWORKING_PRIVATE_NETWORKING_PRIVATE_CRYPTO_H_