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Side by Side Diff: crypto/hmac_nss.cc

Issue 6805019: Move crypto files out of base, to a top level directory. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 9 years, 8 months ago
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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/hmac.h" 5 #include "crypto/hmac.h"
6 6
7 #include <nss.h> 7 #include <nss.h>
8 #include <pk11pub.h> 8 #include <pk11pub.h>
9 9
10 #include "base/crypto/scoped_nss_types.h"
11 #include "base/logging.h" 10 #include "base/logging.h"
12 #include "base/memory/scoped_ptr.h" 11 #include "base/memory/scoped_ptr.h"
13 #include "base/nss_util.h" 12 #include "crypto/nss_util.h"
13 #include "crypto/scoped_nss_types.h"
14 14
15 namespace base { 15 namespace crypto {
16 16
17 struct HMACPlatformData { 17 struct HMACPlatformData {
18 CK_MECHANISM_TYPE mechanism_; 18 CK_MECHANISM_TYPE mechanism_;
19 ScopedPK11Slot slot_; 19 ScopedPK11Slot slot_;
20 ScopedPK11SymKey sym_key_; 20 ScopedPK11SymKey sym_key_;
21 }; 21 };
22 22
23 HMAC::HMAC(HashAlgorithm hash_alg) 23 HMAC::HMAC(HashAlgorithm hash_alg)
24 : hash_alg_(hash_alg), plat_(new HMACPlatformData()) { 24 : hash_alg_(hash_alg), plat_(new HMACPlatformData()) {
25 // Only SHA-1 and SHA-256 hash algorithms are supported. 25 // Only SHA-1 and SHA-256 hash algorithms are supported.
26 switch (hash_alg_) { 26 switch (hash_alg_) {
27 case SHA1: 27 case SHA1:
28 plat_->mechanism_ = CKM_SHA_1_HMAC; 28 plat_->mechanism_ = CKM_SHA_1_HMAC;
29 break; 29 break;
30 case SHA256: 30 case SHA256:
31 plat_->mechanism_ = CKM_SHA256_HMAC; 31 plat_->mechanism_ = CKM_SHA256_HMAC;
32 break; 32 break;
33 default: 33 default:
34 NOTREACHED() << "Unsupported hash algorithm"; 34 NOTREACHED() << "Unsupported hash algorithm";
35 break; 35 break;
36 } 36 }
37 } 37 }
38 38
39 HMAC::~HMAC() { 39 HMAC::~HMAC() {
40 } 40 }
41 41
42 bool HMAC::Init(const unsigned char *key, int key_length) { 42 bool HMAC::Init(const unsigned char *key, int key_length) {
43 base::EnsureNSSInit(); 43 EnsureNSSInit();
44 44
45 if (plat_->slot_.get()) { 45 if (plat_->slot_.get()) {
46 // Init must not be called more than twice on the same HMAC object. 46 // Init must not be called more than twice on the same HMAC object.
47 NOTREACHED(); 47 NOTREACHED();
48 return false; 48 return false;
49 } 49 }
50 50
51 plat_->slot_.reset(PK11_GetBestSlot(plat_->mechanism_, NULL)); 51 plat_->slot_.reset(PK11_GetBestSlot(plat_->mechanism_, NULL));
52 if (!plat_->slot_.get()) { 52 if (!plat_->slot_.get()) {
53 NOTREACHED(); 53 NOTREACHED();
(...skipping 53 matching lines...) Expand 10 before | Expand all | Expand 10 after
107 unsigned int len = 0; 107 unsigned int len = 0;
108 if (PK11_DigestFinal(context.get(), 108 if (PK11_DigestFinal(context.get(),
109 digest, &len, digest_length) != SECSuccess) { 109 digest, &len, digest_length) != SECSuccess) {
110 NOTREACHED(); 110 NOTREACHED();
111 return false; 111 return false;
112 } 112 }
113 113
114 return true; 114 return true;
115 } 115 }
116 116
117 } // namespace base 117 } // namespace crypto
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