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 <string> 9 #include <vector> 10 #include "base/basictypes.h" 11 12 // Implementation of Crypto support for networking private API. 13 // Based on chromeos_public//src/platform/shill/shims/crypto_util.cc 14 class NetworkingPrivateCrypto { 15 public: 16 NetworkingPrivateCrypto(); 17 ~NetworkingPrivateCrypto(); 18 19 // Verify that credentials described by |certificate| and |signed_data| are 20 // valid. 21 // 22 // 1) The MAC address listed in the certificate matches |connected_mac|. 23 // 2) The certificate is a valid PEM encoded certificate signed by trusted CA. 24 // 3) |signature| is a valid signature for |data|, using the public key in 25 // |certificate| 26 bool VerifyCredentials(const std::string& certificate, 27 const std::string& signature, 28 const std::string& data, 29 const std::string& connected_mac); 30 31 // Encrypt |data| with |public_key|. |public_key| is a DER-encoded 32 // RSAPublicKey. |data| is some string of bytes that is smaller than the 33 // maximum length permissible for PKCS#1 v1.5 with a key of |public_key| size. 34 // 35 // Returns true on success, storing the encrypted result in 36 // |encrypted_output|. 37 bool EncryptByteString(const std::vector<uint8>& public_key, 38 const std::string& data, 39 std::vector<uint8>* encrypted_output); 40 41 private: 42 friend class NetworkingPrivateCryptoTest; 43 44 // Decrypt |encrypted_data| with |private_key_pem|. |private_key_pem| is the 45 // PKCS8 PEM-encoded private key. |encrypted_data| is data encrypted with 46 // EncryptByteString. Used in NetworkingPrivateCryptoTest::EncryptString test. 47 // 48 // Returns true on success, storing the decrypted result in 49 // |decrypted_output|. 50 bool DecryptByteString(const std::string& private_key_pem, 51 const std::vector<uint8>& encrypted_data, 52 std::string* decrypted_output); 53 54 DISALLOW_COPY_AND_ASSIGN(NetworkingPrivateCrypto); 55 }; 56 57 #endif // CHROME_COMMON_EXTENSIONS_API_NETWORKING_PRIVATE_NETWORKING_PRIVATE_CRYPTO_H_ 58