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1 // Copyright (c) 2011 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 "base/sha1.h" | 5 #include "base/sha1.h" |
6 | 6 |
7 #include <windows.h> | 7 #include <windows.h> |
8 #include <wincrypt.h> | 8 #include <wincrypt.h> |
9 | 9 |
10 // This file is not being compiled at the moment (see bug 47218). If we keep | 10 // This file is not being compiled at the moment (see bug 47218). If we keep |
11 // sha1 inside base, we cannot depend on src/crypto. | 11 // sha1 inside base, we cannot depend on src/crypto. |
12 // #include "crypto/scoped_capi_types.h" | 12 // #include "crypto/scoped_capi_types.h" |
13 #include "base/logging.h" | 13 #include "base/logging.h" |
14 | 14 |
15 namespace base { | 15 namespace base { |
16 | 16 |
17 std::string SHA1HashString(const std::string& str) { | 17 std::string SHA1HashString(const std::string& str) { |
18 ScopedHCRYPTPROV provider; | 18 ScopedHCRYPTPROV provider; |
19 if (!CryptAcquireContext(provider.receive(), NULL, NULL, PROV_RSA_FULL, | 19 if (!CryptAcquireContext(provider.receive(), NULL, NULL, PROV_RSA_FULL, |
20 CRYPT_VERIFYCONTEXT)) { | 20 CRYPT_VERIFYCONTEXT)) { |
21 LOG(ERROR) << "CryptAcquireContext failed: " << GetLastError(); | 21 DLOG(ERROR) << "CryptAcquireContext failed: " << GetLastError(); |
22 return std::string(kSHA1Length, '\0'); | 22 return std::string(kSHA1Length, '\0'); |
23 } | 23 } |
24 | 24 |
25 { | 25 { |
26 ScopedHCRYPTHASH hash; | 26 ScopedHCRYPTHASH hash; |
27 if (!CryptCreateHash(provider, CALG_SHA1, 0, 0, hash.receive())) { | 27 if (!CryptCreateHash(provider, CALG_SHA1, 0, 0, hash.receive())) { |
28 LOG(ERROR) << "CryptCreateHash failed: " << GetLastError(); | 28 DLOG(ERROR) << "CryptCreateHash failed: " << GetLastError(); |
29 return std::string(kSHA1Length, '\0'); | 29 return std::string(kSHA1Length, '\0'); |
30 } | 30 } |
31 | 31 |
32 if (!CryptHashData(hash, reinterpret_cast<CONST BYTE*>(str.data()), | 32 if (!CryptHashData(hash, reinterpret_cast<CONST BYTE*>(str.data()), |
33 static_cast<DWORD>(str.length()), 0)) { | 33 static_cast<DWORD>(str.length()), 0)) { |
34 LOG(ERROR) << "CryptHashData failed: " << GetLastError(); | 34 DLOG(ERROR) << "CryptHashData failed: " << GetLastError(); |
35 return std::string(kSHA1Length, '\0'); | 35 return std::string(kSHA1Length, '\0'); |
36 } | 36 } |
37 | 37 |
38 DWORD hash_len = 0; | 38 DWORD hash_len = 0; |
39 DWORD buffer_size = sizeof hash_len; | 39 DWORD buffer_size = sizeof hash_len; |
40 if (!CryptGetHashParam(hash, HP_HASHSIZE, | 40 if (!CryptGetHashParam(hash, HP_HASHSIZE, |
41 reinterpret_cast<unsigned char*>(&hash_len), | 41 reinterpret_cast<unsigned char*>(&hash_len), |
42 &buffer_size, 0)) { | 42 &buffer_size, 0)) { |
43 LOG(ERROR) << "CryptGetHashParam(HP_HASHSIZE) failed: " << GetLastError(); | 43 DLOG(ERROR) << "CryptGetHashParam(HP_HASHSIZE) failed: " |
| 44 << GetLastError(); |
44 return std::string(kSHA1Length, '\0'); | 45 return std::string(kSHA1Length, '\0'); |
45 } | 46 } |
46 | 47 |
47 std::string result; | 48 std::string result; |
48 if (!CryptGetHashParam(hash, HP_HASHVAL, | 49 if (!CryptGetHashParam(hash, HP_HASHVAL, |
49 // We need the + 1 here not because the call will write a trailing \0, | 50 // We need the + 1 here not because the call will write a trailing \0, |
50 // but so that result.length() is correctly set to |hash_len|. | 51 // but so that result.length() is correctly set to |hash_len|. |
51 reinterpret_cast<BYTE*>(WriteInto(&result, hash_len + 1)), &hash_len, | 52 reinterpret_cast<BYTE*>(WriteInto(&result, hash_len + 1)), &hash_len, |
52 0))) { | 53 0))) { |
53 LOG(ERROR) << "CryptGetHashParam(HP_HASHVAL) failed: " << GetLastError(); | 54 DLOG(ERROR) << "CryptGetHashParam(HP_HASHVAL) failed: " |
| 55 << GetLastError(); |
54 return std::string(kSHA1Length, '\0'); | 56 return std::string(kSHA1Length, '\0'); |
55 } | 57 } |
56 | 58 |
57 if (hash_len != kSHA1Length) { | 59 if (hash_len != kSHA1Length) { |
58 LOG(ERROR) << "Returned hash value is wrong length: " << hash_len | 60 DLOG(ERROR) << "Returned hash value is wrong length: " << hash_len |
59 << " should be " << kSHA1Length; | 61 << " should be " << kSHA1Length; |
60 return std::string(kSHA1Length, '\0'); | 62 return std::string(kSHA1Length, '\0'); |
61 } | 63 } |
62 | 64 |
63 return result; | 65 return result; |
64 } | 66 } |
65 } | 67 } |
66 | 68 |
67 } // namespace base | 69 } // namespace base |
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