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

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_COMMON_EXTENSIONS_API_NETWORKING_PRIVATE_NETWORKING_PRIVATE_CRYPTO_H_
   6 #define CHROME_COMMON_EXTENSIONS_API_NETWORKING_PRIVATE_NETWORKING_PRIVATE_CRYPTO_H_
   7
   8 #include <stdint.h>
   9
  10 #include <string>
  11 #include <vector>
  12
  13 #include "base/basictypes.h"
  14
  15 namespace networking_private_crypto {
  16
  17 // Verify that the credentials described by |certificate| and |signed_data|
  18 // are valid as follows:
  19 // 1) The MAC address listed in the certificate matches |connected_mac|.
  20 // 2) The certificate is a valid PEM encoded certificate signed by trusted CA.
  21 // 3) |signature| is a valid signature for |data|, using the public key in
  22 // |certificate|
  23 bool VerifyCredentials(
  24     const std::string& certificate,
  25     const std::vector<std::string>& intermediate_certificates,
  26     const std::string& signature,
  27     const std::string& data,
  28     const std::string& connected_mac);
  29
  30 // Encrypt |data| with |public_key|. |public_key| is a DER-encoded
  31 // RSAPublicKey. |data| is some string of bytes that is smaller than the
  32 // maximum length permissible for PKCS#1 v1.5 with a key of |public_key| size.
  33 //
  34 // Returns true on success, storing the encrypted result in
  35 // |encrypted_output|.
  36 bool EncryptByteString(const std::vector<uint8_t>& public_key,
  37                        const std::string& data,
  38                        std::vector<uint8_t>* encrypted_output);
  39
  40 // Decrypt |encrypted_data| with |private_key_pem|. |private_key_pem| is the
  41 // PKCS8 PEM-encoded private key. |encrypted_data| is data encrypted with
  42 // EncryptByteString. Used in NetworkingPrivateCryptoTest::EncryptString test.
  43 // Returns true on success, storing the decrypted result in
  44 // |decrypted_output|.
  45 bool DecryptByteString(const std::string& private_key_pem,
  46                        const std::vector<uint8_t>& encrypted_data,
  47                        std::string* decrypted_output);
  48
  49 }  // namespace networking_private_crypto
  50
  51 #endif  // CHROME_COMMON_EXTENSIONS_API_NETWORKING_PRIVATE_NETWORKING_PRIVATE_CRYPTO_H_