networking_private_crypto.h revision 6e8cce623b6e4fe0c9e4af605d675dd9d0338c38 
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
15namespace 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|
23bool VerifyCredentials(const std::string& certificate,
24                       const std::string& signature,
25                       const std::string& data,
26                       const std::string& connected_mac);
27
28// Encrypt |data| with |public_key|. |public_key| is a DER-encoded
29// RSAPublicKey. |data| is some string of bytes that is smaller than the
30// maximum length permissible for PKCS#1 v1.5 with a key of |public_key| size.
31//
32// Returns true on success, storing the encrypted result in
33// |encrypted_output|.
34bool EncryptByteString(const std::vector<uint8_t>& public_key,
35                       const std::string& data,
36                       std::vector<uint8_t>* encrypted_output);
37
38// Decrypt |encrypted_data| with |private_key_pem|. |private_key_pem| is the
39// PKCS8 PEM-encoded private key. |encrypted_data| is data encrypted with
40// EncryptByteString. Used in NetworkingPrivateCryptoTest::EncryptString test.
41// Returns true on success, storing the decrypted result in
42// |decrypted_output|.
43bool DecryptByteString(const std::string& private_key_pem,
44                       const std::vector<uint8_t>& encrypted_data,
45                       std::string* decrypted_output);
46
47// The trusted public key as a DER-encoded PKCS#1 RSAPublicKey structure.
48extern const uint8_t kTrustedCAPublicKeyDER[];
49
50// The length of |kTrustedCAPublicKeyDER| in bytes.
51extern const size_t kTrustedCAPublicKeyDERLength;
52
53}  // namespace networking_private_crypto
54
55#endif  // CHROME_COMMON_EXTENSIONS_API_NETWORKING_PRIVATE_NETWORKING_PRIVATE_CRYPTO_H_
56