1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/ssl/ssl_platform_key.h"
#include <openssl/digest.h>
#include <openssl/evp.h>
#include <utility>
#include "base/logging.h"
#include "base/macros.h"
#include "crypto/scoped_openssl_types.h"
#include "net/base/net_errors.h"
#include "net/ssl/openssl_client_key_store.h"
#include "net/ssl/ssl_platform_key_task_runner.h"
#include "net/ssl/ssl_private_key.h"
#include "net/ssl/threaded_ssl_private_key.h"
namespace net {
namespace {
class SSLPlatformKeyAndroid : public ThreadedSSLPrivateKey::Delegate {
public:
SSLPlatformKeyAndroid(crypto::ScopedEVP_PKEY key, SSLPrivateKey::Type type)
: key_(std::move(key)), type_(type) {}
~SSLPlatformKeyAndroid() override {}
SSLPrivateKey::Type GetType() override { return type_; }
std::vector<SSLPrivateKey::Hash> GetDigestPreferences() override {
static const SSLPrivateKey::Hash kHashes[] = {
SSLPrivateKey::Hash::SHA512, SSLPrivateKey::Hash::SHA384,
SSLPrivateKey::Hash::SHA256, SSLPrivateKey::Hash::SHA1};
return std::vector<SSLPrivateKey::Hash>(kHashes,
kHashes + arraysize(kHashes));
}
size_t GetMaxSignatureLengthInBytes() override {
return EVP_PKEY_size(key_.get());
}
Error SignDigest(SSLPrivateKey::Hash hash,
const base::StringPiece& input,
std::vector<uint8_t>* signature) override {
crypto::ScopedEVP_PKEY_CTX ctx =
crypto::ScopedEVP_PKEY_CTX(EVP_PKEY_CTX_new(key_.get(), NULL));
if (!ctx)
return ERR_SSL_CLIENT_AUTH_SIGNATURE_FAILED;
if (!EVP_PKEY_sign_init(ctx.get()))
return ERR_SSL_CLIENT_AUTH_SIGNATURE_FAILED;
if (type_ == SSLPrivateKey::Type::RSA) {
const EVP_MD* digest = nullptr;
switch (hash) {
case SSLPrivateKey::Hash::MD5_SHA1:
digest = EVP_md5_sha1();
break;
case SSLPrivateKey::Hash::SHA1:
digest = EVP_sha1();
break;
case SSLPrivateKey::Hash::SHA256:
digest = EVP_sha256();
break;
case SSLPrivateKey::Hash::SHA384:
digest = EVP_sha384();
break;
case SSLPrivateKey::Hash::SHA512:
digest = EVP_sha512();
break;
default:
return ERR_SSL_CLIENT_AUTH_SIGNATURE_FAILED;
}
DCHECK(digest);
if (!EVP_PKEY_CTX_set_rsa_padding(ctx.get(), RSA_PKCS1_PADDING))
return ERR_SSL_CLIENT_AUTH_SIGNATURE_FAILED;
if (!EVP_PKEY_CTX_set_signature_md(ctx.get(), digest))
return ERR_SSL_CLIENT_AUTH_SIGNATURE_FAILED;
}
const uint8_t* input_ptr = reinterpret_cast<const uint8_t*>(input.data());
size_t input_len = input.size();
size_t sig_len = 0;
if (!EVP_PKEY_sign(ctx.get(), NULL, &sig_len, input_ptr, input_len))
return ERR_SSL_CLIENT_AUTH_SIGNATURE_FAILED;
signature->resize(sig_len);
if (!EVP_PKEY_sign(ctx.get(), signature->data(), &sig_len, input_ptr,
input_len)) {
return ERR_SSL_CLIENT_AUTH_SIGNATURE_FAILED;
}
signature->resize(sig_len);
return OK;
}
private:
crypto::ScopedEVP_PKEY key_;
SSLPrivateKey::Type type_;
DISALLOW_COPY_AND_ASSIGN(SSLPlatformKeyAndroid);
};
scoped_refptr<SSLPrivateKey> WrapOpenSSLPrivateKey(crypto::ScopedEVP_PKEY key) {
if (!key)
return nullptr;
SSLPrivateKey::Type type;
switch (EVP_PKEY_id(key.get())) {
case EVP_PKEY_RSA:
type = SSLPrivateKey::Type::RSA;
break;
case EVP_PKEY_EC:
type = SSLPrivateKey::Type::ECDSA;
break;
default:
LOG(ERROR) << "Unknown key type: " << EVP_PKEY_id(key.get());
return nullptr;
}
return make_scoped_refptr(new ThreadedSSLPrivateKey(
make_scoped_ptr(new SSLPlatformKeyAndroid(std::move(key), type)),
GetSSLPlatformKeyTaskRunner()));
}
} // namespace
scoped_refptr<SSLPrivateKey> FetchClientCertPrivateKey(
X509Certificate* certificate) {
crypto::ScopedEVP_PKEY key =
OpenSSLClientKeyStore::GetInstance()->FetchClientCertPrivateKey(
certificate);
return WrapOpenSSLPrivateKey(std::move(key));
}
} // namespace net
|
