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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CRYPTO_ENCRYPTOR_H_ | 5 #ifndef CRYPTO_ENCRYPTOR_H_ |
6 #define CRYPTO_ENCRYPTOR_H_ | 6 #define CRYPTO_ENCRYPTOR_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 | 10 |
11 #include <memory> | 11 #include <memory> |
12 #include <string> | 12 #include <string> |
13 | 13 |
14 #include "base/strings/string_piece.h" | 14 #include "base/strings/string_piece.h" |
15 #include "build/build_config.h" | 15 #include "build/build_config.h" |
16 #include "crypto/crypto_export.h" | 16 #include "crypto/crypto_export.h" |
17 | 17 |
18 #if !defined(USE_OPENSSL) | |
19 #include "crypto/scoped_nss_types.h" | |
20 #endif | |
21 | |
22 namespace crypto { | 18 namespace crypto { |
23 | 19 |
24 class SymmetricKey; | 20 class SymmetricKey; |
25 | 21 |
26 class CRYPTO_EXPORT Encryptor { | 22 class CRYPTO_EXPORT Encryptor { |
27 public: | 23 public: |
28 enum Mode { | 24 enum Mode { |
29 CBC, | 25 CBC, |
30 CTR, | 26 CTR, |
31 }; | 27 }; |
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108 // |ciphertext|. |ciphertext| must have at least |plaintext_len| bytes. | 104 // |ciphertext|. |ciphertext| must have at least |plaintext_len| bytes. |
109 void MaskMessage(const void* plaintext, | 105 void MaskMessage(const void* plaintext, |
110 size_t plaintext_len, | 106 size_t plaintext_len, |
111 const void* mask, | 107 const void* mask, |
112 void* ciphertext) const; | 108 void* ciphertext) const; |
113 | 109 |
114 SymmetricKey* key_; | 110 SymmetricKey* key_; |
115 Mode mode_; | 111 Mode mode_; |
116 std::unique_ptr<Counter> counter_; | 112 std::unique_ptr<Counter> counter_; |
117 | 113 |
118 #if defined(USE_OPENSSL) | |
119 bool Crypt(bool do_encrypt, // Pass true to encrypt, false to decrypt. | 114 bool Crypt(bool do_encrypt, // Pass true to encrypt, false to decrypt. |
120 const base::StringPiece& input, | 115 const base::StringPiece& input, |
121 std::string* output); | 116 std::string* output); |
122 bool CryptCTR(bool do_encrypt, | 117 bool CryptCTR(bool do_encrypt, |
123 const base::StringPiece& input, | 118 const base::StringPiece& input, |
124 std::string* output); | 119 std::string* output); |
125 std::string iv_; | 120 std::string iv_; |
126 #else | |
127 bool Crypt(PK11Context* context, | |
128 const base::StringPiece& input, | |
129 std::string* output); | |
130 bool CryptCTR(PK11Context* context, | |
131 const base::StringPiece& input, | |
132 std::string* output); | |
133 ScopedSECItem param_; | |
134 #endif | |
135 }; | 121 }; |
136 | 122 |
137 } // namespace crypto | 123 } // namespace crypto |
138 | 124 |
139 #endif // CRYPTO_ENCRYPTOR_H_ | 125 #endif // CRYPTO_ENCRYPTOR_H_ |
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