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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 #include "crypto/signature_creator.h" | 5 #include "crypto/signature_creator.h" |
6 | 6 |
7 #include <openssl/evp.h> | 7 #include <openssl/evp.h> |
8 #include <openssl/rsa.h> | 8 #include <openssl/rsa.h> |
9 #include <stddef.h> | 9 #include <stddef.h> |
10 #include <stdint.h> | 10 #include <stdint.h> |
11 | 11 |
| 12 #include <memory> |
| 13 |
12 #include "base/logging.h" | 14 #include "base/logging.h" |
13 #include "base/memory/scoped_ptr.h" | |
14 #include "crypto/openssl_util.h" | 15 #include "crypto/openssl_util.h" |
15 #include "crypto/rsa_private_key.h" | 16 #include "crypto/rsa_private_key.h" |
16 #include "crypto/scoped_openssl_types.h" | 17 #include "crypto/scoped_openssl_types.h" |
17 | 18 |
18 namespace crypto { | 19 namespace crypto { |
19 | 20 |
20 namespace { | 21 namespace { |
21 | 22 |
22 const EVP_MD* ToOpenSSLDigest(SignatureCreator::HashAlgorithm hash_alg) { | 23 const EVP_MD* ToOpenSSLDigest(SignatureCreator::HashAlgorithm hash_alg) { |
23 switch (hash_alg) { | 24 switch (hash_alg) { |
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38 } | 39 } |
39 return NID_undef; | 40 return NID_undef; |
40 } | 41 } |
41 | 42 |
42 } // namespace | 43 } // namespace |
43 | 44 |
44 // static | 45 // static |
45 SignatureCreator* SignatureCreator::Create(RSAPrivateKey* key, | 46 SignatureCreator* SignatureCreator::Create(RSAPrivateKey* key, |
46 HashAlgorithm hash_alg) { | 47 HashAlgorithm hash_alg) { |
47 OpenSSLErrStackTracer err_tracer(FROM_HERE); | 48 OpenSSLErrStackTracer err_tracer(FROM_HERE); |
48 scoped_ptr<SignatureCreator> result(new SignatureCreator); | 49 std::unique_ptr<SignatureCreator> result(new SignatureCreator); |
49 const EVP_MD* const digest = ToOpenSSLDigest(hash_alg); | 50 const EVP_MD* const digest = ToOpenSSLDigest(hash_alg); |
50 DCHECK(digest); | 51 DCHECK(digest); |
51 if (!digest) { | 52 if (!digest) { |
52 return NULL; | 53 return NULL; |
53 } | 54 } |
54 if (!EVP_DigestSignInit(result->sign_context_, NULL, digest, NULL, | 55 if (!EVP_DigestSignInit(result->sign_context_, NULL, digest, NULL, |
55 key->key())) { | 56 key->key())) { |
56 return NULL; | 57 return NULL; |
57 } | 58 } |
58 return result.release(); | 59 return result.release(); |
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106 // Sign it. | 107 // Sign it. |
107 if (!EVP_DigestSignFinal(sign_context_, signature->data(), &len)) { | 108 if (!EVP_DigestSignFinal(sign_context_, signature->data(), &len)) { |
108 signature->clear(); | 109 signature->clear(); |
109 return false; | 110 return false; |
110 } | 111 } |
111 signature->resize(len); | 112 signature->resize(len); |
112 return true; | 113 return true; |
113 } | 114 } |
114 | 115 |
115 } // namespace crypto | 116 } // namespace crypto |
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