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Side by Side Diff: net/quic/crypto/p256_key_exchange_openssl.cc

Issue 266243004: Clang format slam. Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 6 years, 7 months ago
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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2013 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/quic/crypto/p256_key_exchange.h" 5 #include "net/quic/crypto/p256_key_exchange.h"
6 6
7 #include <openssl/ec.h> 7 #include <openssl/ec.h>
8 #include <openssl/ecdh.h> 8 #include <openssl/ecdh.h>
9 #include <openssl/evp.h> 9 #include <openssl/evp.h>
10 10
11 #include "base/logging.h" 11 #include "base/logging.h"
12 12
13 using base::StringPiece; 13 using base::StringPiece;
14 using std::string; 14 using std::string;
15 15
16 namespace net { 16 namespace net {
17 17
18 P256KeyExchange::P256KeyExchange(EC_KEY* private_key, const uint8* public_key) 18 P256KeyExchange::P256KeyExchange(EC_KEY* private_key, const uint8* public_key)
19 : private_key_(private_key) { 19 : private_key_(private_key) {
20 memcpy(public_key_, public_key, sizeof(public_key_)); 20 memcpy(public_key_, public_key, sizeof(public_key_));
21 } 21 }
22 22
23 P256KeyExchange::~P256KeyExchange() {} 23 P256KeyExchange::~P256KeyExchange() {
24 }
24 25
25 // static 26 // static
26 P256KeyExchange* P256KeyExchange::New(StringPiece key) { 27 P256KeyExchange* P256KeyExchange::New(StringPiece key) {
27 if (key.empty()) { 28 if (key.empty()) {
28 DVLOG(1) << "Private key is empty"; 29 DVLOG(1) << "Private key is empty";
29 return NULL; 30 return NULL;
30 } 31 }
31 32
32 const uint8* keyp = reinterpret_cast<const uint8*>(key.data()); 33 const uint8* keyp = reinterpret_cast<const uint8*>(key.data());
33 crypto::ScopedOpenSSL<EC_KEY, EC_KEY_free> private_key( 34 crypto::ScopedOpenSSL<EC_KEY, EC_KEY_free> private_key(
34 d2i_ECPrivateKey(NULL, &keyp, key.size())); 35 d2i_ECPrivateKey(NULL, &keyp, key.size()));
35 if (!private_key.get() || !EC_KEY_check_key(private_key.get())) { 36 if (!private_key.get() || !EC_KEY_check_key(private_key.get())) {
36 DVLOG(1) << "Private key is invalid."; 37 DVLOG(1) << "Private key is invalid.";
37 return NULL; 38 return NULL;
38 } 39 }
39 40
40 uint8 public_key[kUncompressedP256PointBytes]; 41 uint8 public_key[kUncompressedP256PointBytes];
41 if (EC_POINT_point2oct(EC_KEY_get0_group(private_key.get()), 42 if (EC_POINT_point2oct(EC_KEY_get0_group(private_key.get()),
42 EC_KEY_get0_public_key(private_key.get()), 43 EC_KEY_get0_public_key(private_key.get()),
43 POINT_CONVERSION_UNCOMPRESSED, public_key, 44 POINT_CONVERSION_UNCOMPRESSED,
44 sizeof(public_key), NULL) != sizeof(public_key)) { 45 public_key,
46 sizeof(public_key),
47 NULL) != sizeof(public_key)) {
45 DVLOG(1) << "Can't get public key."; 48 DVLOG(1) << "Can't get public key.";
46 return NULL; 49 return NULL;
47 } 50 }
48 51
49 return new P256KeyExchange(private_key.release(), public_key); 52 return new P256KeyExchange(private_key.release(), public_key);
50 } 53 }
51 54
52 // static 55 // static
53 string P256KeyExchange::NewPrivateKey() { 56 string P256KeyExchange::NewPrivateKey() {
54 crypto::ScopedOpenSSL<EC_KEY, EC_KEY_free> key( 57 crypto::ScopedOpenSSL<EC_KEY, EC_KEY_free> key(
(...skipping 26 matching lines...) Expand all
81 bool P256KeyExchange::CalculateSharedKey(const StringPiece& peer_public_value, 84 bool P256KeyExchange::CalculateSharedKey(const StringPiece& peer_public_value,
82 string* out_result) const { 85 string* out_result) const {
83 if (peer_public_value.size() != kUncompressedP256PointBytes) { 86 if (peer_public_value.size() != kUncompressedP256PointBytes) {
84 DVLOG(1) << "Peer public value is invalid"; 87 DVLOG(1) << "Peer public value is invalid";
85 return false; 88 return false;
86 } 89 }
87 90
88 crypto::ScopedOpenSSL<EC_POINT, EC_POINT_free> point( 91 crypto::ScopedOpenSSL<EC_POINT, EC_POINT_free> point(
89 EC_POINT_new(EC_KEY_get0_group(private_key_.get()))); 92 EC_POINT_new(EC_KEY_get0_group(private_key_.get())));
90 if (!point.get() || 93 if (!point.get() ||
91 !EC_POINT_oct2point( /* also test if point is on curve */ 94 !EC_POINT_oct2point(/* also test if point is on curve */
92 EC_KEY_get0_group(private_key_.get()), 95 EC_KEY_get0_group(private_key_.get()),
93 point.get(), 96 point.get(),
94 reinterpret_cast<const uint8*>(peer_public_value.data()), 97 reinterpret_cast<const uint8*>(
95 peer_public_value.size(), NULL)) { 98 peer_public_value.data()),
99 peer_public_value.size(),
100 NULL)) {
96 DVLOG(1) << "Can't convert peer public value to curve point."; 101 DVLOG(1) << "Can't convert peer public value to curve point.";
97 return false; 102 return false;
98 } 103 }
99 104
100 uint8 result[kP256FieldBytes]; 105 uint8 result[kP256FieldBytes];
101 if (ECDH_compute_key(result, sizeof(result), point.get(), private_key_.get(), 106 if (ECDH_compute_key(
102 NULL) != sizeof(result)) { 107 result, sizeof(result), point.get(), private_key_.get(), NULL) !=
108 sizeof(result)) {
103 DVLOG(1) << "Can't compute ECDH shared key."; 109 DVLOG(1) << "Can't compute ECDH shared key.";
104 return false; 110 return false;
105 } 111 }
106 112
107 out_result->assign(reinterpret_cast<char*>(result), sizeof(result)); 113 out_result->assign(reinterpret_cast<char*>(result), sizeof(result));
108 return true; 114 return true;
109 } 115 }
110 116
111 StringPiece P256KeyExchange::public_value() const { 117 StringPiece P256KeyExchange::public_value() const {
112 return StringPiece(reinterpret_cast<const char*>(public_key_), 118 return StringPiece(reinterpret_cast<const char*>(public_key_),
113 sizeof(public_key_)); 119 sizeof(public_key_));
114 } 120 }
115 121
116 QuicTag P256KeyExchange::tag() const { return kP256; } 122 QuicTag P256KeyExchange::tag() const {
123 return kP256;
124 }
117 125
118 } // namespace net 126 } // namespace net
119
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