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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 #include "crypto/aead_openssl.h" | 5 #include "crypto/aead_openssl.h" |
6 | 6 |
7 #if defined(USE_OPENSSL) | 7 #if defined(USE_OPENSSL) |
8 | 8 |
9 #include <openssl/aes.h> | 9 #include <openssl/aes.h> |
10 #include <openssl/evp.h> | 10 #include <openssl/evp.h> |
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46 reinterpret_cast<const uint8*>(key_->data()), | 46 reinterpret_cast<const uint8*>(key_->data()), |
47 key_->size(), EVP_AEAD_DEFAULT_TAG_LENGTH, nullptr)) { | 47 key_->size(), EVP_AEAD_DEFAULT_TAG_LENGTH, nullptr)) { |
48 return false; | 48 return false; |
49 } | 49 } |
50 | 50 |
51 std::string result; | 51 std::string result; |
52 const size_t max_output_length = | 52 const size_t max_output_length = |
53 EVP_AEAD_max_overhead(aead_) + plaintext.size(); | 53 EVP_AEAD_max_overhead(aead_) + plaintext.size(); |
54 size_t output_length; | 54 size_t output_length; |
55 uint8* out_ptr = | 55 uint8* out_ptr = |
56 reinterpret_cast<uint8*>(WriteInto(&result, max_output_length + 1)); | 56 reinterpret_cast<uint8*>(base::WriteInto(&result, max_output_length + 1)); |
57 | 57 |
58 if (!EVP_AEAD_CTX_seal( | 58 if (!EVP_AEAD_CTX_seal( |
59 &ctx, out_ptr, &output_length, max_output_length, | 59 &ctx, out_ptr, &output_length, max_output_length, |
60 reinterpret_cast<const uint8*>(nonce.data()), nonce.size(), | 60 reinterpret_cast<const uint8*>(nonce.data()), nonce.size(), |
61 reinterpret_cast<const uint8*>(plaintext.data()), plaintext.size(), | 61 reinterpret_cast<const uint8*>(plaintext.data()), plaintext.size(), |
62 reinterpret_cast<const uint8*>(additional_data.data()), | 62 reinterpret_cast<const uint8*>(additional_data.data()), |
63 additional_data.size())) { | 63 additional_data.size())) { |
64 EVP_AEAD_CTX_cleanup(&ctx); | 64 EVP_AEAD_CTX_cleanup(&ctx); |
65 return false; | 65 return false; |
66 } | 66 } |
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84 if (!EVP_AEAD_CTX_init(&ctx, aead_, | 84 if (!EVP_AEAD_CTX_init(&ctx, aead_, |
85 reinterpret_cast<const uint8*>(key_->data()), | 85 reinterpret_cast<const uint8*>(key_->data()), |
86 key_->size(), EVP_AEAD_DEFAULT_TAG_LENGTH, nullptr)) { | 86 key_->size(), EVP_AEAD_DEFAULT_TAG_LENGTH, nullptr)) { |
87 return false; | 87 return false; |
88 } | 88 } |
89 | 89 |
90 std::string result; | 90 std::string result; |
91 const size_t max_output_length = ciphertext.size(); | 91 const size_t max_output_length = ciphertext.size(); |
92 size_t output_length; | 92 size_t output_length; |
93 uint8* out_ptr = | 93 uint8* out_ptr = |
94 reinterpret_cast<uint8*>(WriteInto(&result, max_output_length + 1)); | 94 reinterpret_cast<uint8*>(base::WriteInto(&result, max_output_length + 1)); |
95 | 95 |
96 if (!EVP_AEAD_CTX_open( | 96 if (!EVP_AEAD_CTX_open( |
97 &ctx, out_ptr, &output_length, max_output_length, | 97 &ctx, out_ptr, &output_length, max_output_length, |
98 reinterpret_cast<const uint8*>(nonce.data()), nonce.size(), | 98 reinterpret_cast<const uint8*>(nonce.data()), nonce.size(), |
99 reinterpret_cast<const uint8*>(ciphertext.data()), ciphertext.size(), | 99 reinterpret_cast<const uint8*>(ciphertext.data()), ciphertext.size(), |
100 reinterpret_cast<const uint8*>(additional_data.data()), | 100 reinterpret_cast<const uint8*>(additional_data.data()), |
101 additional_data.size())) { | 101 additional_data.size())) { |
102 EVP_AEAD_CTX_cleanup(&ctx); | 102 EVP_AEAD_CTX_cleanup(&ctx); |
103 return false; | 103 return false; |
104 } | 104 } |
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116 return EVP_AEAD_key_length(aead_); | 116 return EVP_AEAD_key_length(aead_); |
117 } | 117 } |
118 | 118 |
119 size_t Aead::NonceLength() const { | 119 size_t Aead::NonceLength() const { |
120 return EVP_AEAD_nonce_length(aead_); | 120 return EVP_AEAD_nonce_length(aead_); |
121 } | 121 } |
122 | 122 |
123 } // namespace | 123 } // namespace |
124 | 124 |
125 #endif | 125 #endif |
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