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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 "net/http/des.h" | 5 #include "net/http/des.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 | 8 |
9 #if defined(USE_OPENSSL) | 9 #if defined(USE_OPENSSL) |
10 #include <openssl/des.h> | 10 #include <openssl/des.h> |
11 #include "base/openssl_util.h" | 11 #include "crypto/openssl_util.h" |
12 #elif defined(USE_NSS) | 12 #elif defined(USE_NSS) |
13 #include <nss.h> | 13 #include <nss.h> |
14 #include <pk11pub.h> | 14 #include <pk11pub.h> |
15 #include "base/nss_util.h" | 15 #include "crypto/nss_util.h" |
16 #elif defined(OS_MACOSX) | 16 #elif defined(OS_MACOSX) |
17 #include <CommonCrypto/CommonCryptor.h> | 17 #include <CommonCrypto/CommonCryptor.h> |
18 #elif defined(OS_WIN) | 18 #elif defined(OS_WIN) |
19 #include <windows.h> | 19 #include <windows.h> |
20 #include <wincrypt.h> | 20 #include <wincrypt.h> |
21 #include "base/crypto/scoped_capi_types.h" | 21 #include "crypto/scoped_capi_types.h" |
22 #endif | 22 #endif |
23 | 23 |
24 // The Mac and Windows (CryptoAPI) versions of DESEncrypt are our own code. | 24 // The Mac and Windows (CryptoAPI) versions of DESEncrypt are our own code. |
25 // DESSetKeyParity, DESMakeKey, and the Linux (NSS) version of DESEncrypt are | 25 // DESSetKeyParity, DESMakeKey, and the Linux (NSS) version of DESEncrypt are |
26 // based on mozilla/security/manager/ssl/src/nsNTLMAuthModule.cpp, | 26 // based on mozilla/security/manager/ssl/src/nsNTLMAuthModule.cpp, |
27 // CVS rev. 1.14. | 27 // CVS rev. 1.14. |
28 | 28 |
29 /* ***** BEGIN LICENSE BLOCK ***** | 29 /* ***** BEGIN LICENSE BLOCK ***** |
30 * Version: MPL 1.1/GPL 2.0/LGPL 2.1 | 30 * Version: MPL 1.1/GPL 2.0/LGPL 2.1 |
31 * | 31 * |
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83 key[3] = DESSetKeyParity((raw[2] << 5) | (raw[3] >> 3)); | 83 key[3] = DESSetKeyParity((raw[2] << 5) | (raw[3] >> 3)); |
84 key[4] = DESSetKeyParity((raw[3] << 4) | (raw[4] >> 4)); | 84 key[4] = DESSetKeyParity((raw[3] << 4) | (raw[4] >> 4)); |
85 key[5] = DESSetKeyParity((raw[4] << 3) | (raw[5] >> 5)); | 85 key[5] = DESSetKeyParity((raw[4] << 3) | (raw[5] >> 5)); |
86 key[6] = DESSetKeyParity((raw[5] << 2) | (raw[6] >> 6)); | 86 key[6] = DESSetKeyParity((raw[5] << 2) | (raw[6] >> 6)); |
87 key[7] = DESSetKeyParity((raw[6] << 1)); | 87 key[7] = DESSetKeyParity((raw[6] << 1)); |
88 } | 88 } |
89 | 89 |
90 #if defined(USE_OPENSSL) | 90 #if defined(USE_OPENSSL) |
91 | 91 |
92 void DESEncrypt(const uint8* key, const uint8* src, uint8* hash) { | 92 void DESEncrypt(const uint8* key, const uint8* src, uint8* hash) { |
93 base::EnsureOpenSSLInit(); | 93 crypto::EnsureOpenSSLInit(); |
94 | 94 |
95 DES_key_schedule ks; | 95 DES_key_schedule ks; |
96 DES_set_key_unchecked( | 96 DES_set_key_unchecked( |
97 reinterpret_cast<const_DES_cblock*>(const_cast<uint8*>(key)), &ks); | 97 reinterpret_cast<const_DES_cblock*>(const_cast<uint8*>(key)), &ks); |
98 | 98 |
99 DES_ecb_encrypt(reinterpret_cast<const_DES_cblock*>(const_cast<uint8*>(src)), | 99 DES_ecb_encrypt(reinterpret_cast<const_DES_cblock*>(const_cast<uint8*>(src)), |
100 reinterpret_cast<DES_cblock*>(hash), &ks, DES_ENCRYPT); | 100 reinterpret_cast<DES_cblock*>(hash), &ks, DES_ENCRYPT); |
101 } | 101 } |
102 | 102 |
103 #elif defined(USE_NSS) | 103 #elif defined(USE_NSS) |
104 | 104 |
105 void DESEncrypt(const uint8* key, const uint8* src, uint8* hash) { | 105 void DESEncrypt(const uint8* key, const uint8* src, uint8* hash) { |
106 CK_MECHANISM_TYPE cipher_mech = CKM_DES_ECB; | 106 CK_MECHANISM_TYPE cipher_mech = CKM_DES_ECB; |
107 PK11SlotInfo* slot = NULL; | 107 PK11SlotInfo* slot = NULL; |
108 PK11SymKey* symkey = NULL; | 108 PK11SymKey* symkey = NULL; |
109 PK11Context* ctxt = NULL; | 109 PK11Context* ctxt = NULL; |
110 SECItem key_item; | 110 SECItem key_item; |
111 SECItem* param = NULL; | 111 SECItem* param = NULL; |
112 SECStatus rv; | 112 SECStatus rv; |
113 unsigned int n; | 113 unsigned int n; |
114 | 114 |
115 base::EnsureNSSInit(); | 115 crypto::EnsureNSSInit(); |
116 | 116 |
117 slot = PK11_GetBestSlot(cipher_mech, NULL); | 117 slot = PK11_GetBestSlot(cipher_mech, NULL); |
118 if (!slot) | 118 if (!slot) |
119 goto done; | 119 goto done; |
120 | 120 |
121 key_item.data = const_cast<uint8*>(key); | 121 key_item.data = const_cast<uint8*>(key); |
122 key_item.len = 8; | 122 key_item.len = 8; |
123 symkey = PK11_ImportSymKey(slot, cipher_mech, | 123 symkey = PK11_ImportSymKey(slot, cipher_mech, |
124 PK11_OriginUnwrap, CKA_ENCRYPT, | 124 PK11_OriginUnwrap, CKA_ENCRYPT, |
125 &key_item, NULL); | 125 &key_item, NULL); |
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164 size_t data_out_moved = 0; | 164 size_t data_out_moved = 0; |
165 status = CCCrypt(kCCEncrypt, kCCAlgorithmDES, kCCOptionECBMode, | 165 status = CCCrypt(kCCEncrypt, kCCAlgorithmDES, kCCOptionECBMode, |
166 key, 8, NULL, src, 8, hash, 8, &data_out_moved); | 166 key, 8, NULL, src, 8, hash, 8, &data_out_moved); |
167 DCHECK(status == kCCSuccess); | 167 DCHECK(status == kCCSuccess); |
168 DCHECK(data_out_moved == 8); | 168 DCHECK(data_out_moved == 8); |
169 } | 169 } |
170 | 170 |
171 #elif defined(OS_WIN) | 171 #elif defined(OS_WIN) |
172 | 172 |
173 void DESEncrypt(const uint8* key, const uint8* src, uint8* hash) { | 173 void DESEncrypt(const uint8* key, const uint8* src, uint8* hash) { |
174 base::ScopedHCRYPTPROV provider; | 174 crypto::ScopedHCRYPTPROV provider; |
175 if (!CryptAcquireContext(provider.receive(), NULL, NULL, PROV_RSA_FULL, | 175 if (!CryptAcquireContext(provider.receive(), NULL, NULL, PROV_RSA_FULL, |
176 CRYPT_VERIFYCONTEXT)) | 176 CRYPT_VERIFYCONTEXT)) |
177 return; | 177 return; |
178 | 178 |
179 { | 179 { |
180 // Import the DES key. | 180 // Import the DES key. |
181 struct KeyBlob { | 181 struct KeyBlob { |
182 BLOBHEADER header; | 182 BLOBHEADER header; |
183 DWORD key_size; | 183 DWORD key_size; |
184 BYTE key_data[8]; | 184 BYTE key_data[8]; |
185 }; | 185 }; |
186 KeyBlob key_blob; | 186 KeyBlob key_blob; |
187 key_blob.header.bType = PLAINTEXTKEYBLOB; | 187 key_blob.header.bType = PLAINTEXTKEYBLOB; |
188 key_blob.header.bVersion = CUR_BLOB_VERSION; | 188 key_blob.header.bVersion = CUR_BLOB_VERSION; |
189 key_blob.header.reserved = 0; | 189 key_blob.header.reserved = 0; |
190 key_blob.header.aiKeyAlg = CALG_DES; | 190 key_blob.header.aiKeyAlg = CALG_DES; |
191 key_blob.key_size = 8; // 64 bits | 191 key_blob.key_size = 8; // 64 bits |
192 memcpy(key_blob.key_data, key, 8); | 192 memcpy(key_blob.key_data, key, 8); |
193 | 193 |
194 base::ScopedHCRYPTKEY key; | 194 crypto::ScopedHCRYPTKEY key; |
195 BOOL import_ok = CryptImportKey(provider, | 195 BOOL import_ok = CryptImportKey(provider, |
196 reinterpret_cast<BYTE*>(&key_blob), | 196 reinterpret_cast<BYTE*>(&key_blob), |
197 sizeof key_blob, 0, 0, key.receive()); | 197 sizeof key_blob, 0, 0, key.receive()); |
198 // Destroy the copy of the key. | 198 // Destroy the copy of the key. |
199 SecureZeroMemory(key_blob.key_data, sizeof key_blob.key_data); | 199 SecureZeroMemory(key_blob.key_data, sizeof key_blob.key_data); |
200 if (!import_ok) | 200 if (!import_ok) |
201 return; | 201 return; |
202 | 202 |
203 // No initialization vector required. | 203 // No initialization vector required. |
204 DWORD cipher_mode = CRYPT_MODE_ECB; | 204 DWORD cipher_mode = CRYPT_MODE_ECB; |
205 if (!CryptSetKeyParam(key, KP_MODE, reinterpret_cast<BYTE*>(&cipher_mode), | 205 if (!CryptSetKeyParam(key, KP_MODE, reinterpret_cast<BYTE*>(&cipher_mode), |
206 0)) | 206 0)) |
207 return; | 207 return; |
208 | 208 |
209 // CryptoAPI requires us to copy the plaintext to the output buffer first. | 209 // CryptoAPI requires us to copy the plaintext to the output buffer first. |
210 CopyMemory(hash, src, 8); | 210 CopyMemory(hash, src, 8); |
211 // Pass a 'Final' of FALSE, otherwise CryptEncrypt appends one additional | 211 // Pass a 'Final' of FALSE, otherwise CryptEncrypt appends one additional |
212 // block of padding to the data. | 212 // block of padding to the data. |
213 DWORD hash_len = 8; | 213 DWORD hash_len = 8; |
214 CryptEncrypt(key, 0, FALSE, 0, hash, &hash_len, 8); | 214 CryptEncrypt(key, 0, FALSE, 0, hash, &hash_len, 8); |
215 } | 215 } |
216 } | 216 } |
217 | 217 |
218 #endif | 218 #endif |
219 | 219 |
220 } // namespace net | 220 } // namespace net |
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