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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
/* Copyright (c) 2017, Google Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#include "cavp_test_util.h"
#include <openssl/bn.h>
#include <openssl/digest.h>
#include <openssl/ec.h>
#include <openssl/nid.h>
std::string EncodeHex(const uint8_t *in, size_t in_len) {
static const char kHexDigits[] = "0123456789abcdef";
std::string ret;
ret.reserve(in_len * 2);
for (size_t i = 0; i < in_len; i++) {
ret += kHexDigits[in[i] >> 4];
ret += kHexDigits[in[i] & 0xf];
}
return ret;
}
const EVP_CIPHER *GetCipher(const std::string &name) {
if (name == "des-cbc") {
return EVP_des_cbc();
} else if (name == "des-ecb") {
return EVP_des_ecb();
} else if (name == "des-ede") {
return EVP_des_ede();
} else if (name == "des-ede3") {
return EVP_des_ede3();
} else if (name == "des-ede-cbc") {
return EVP_des_ede_cbc();
} else if (name == "des-ede3-cbc") {
return EVP_des_ede3_cbc();
} else if (name == "rc4") {
return EVP_rc4();
} else if (name == "aes-128-ecb") {
return EVP_aes_128_ecb();
} else if (name == "aes-256-ecb") {
return EVP_aes_256_ecb();
} else if (name == "aes-128-cbc") {
return EVP_aes_128_cbc();
} else if (name == "aes-128-gcm") {
return EVP_aes_128_gcm();
} else if (name == "aes-128-ofb") {
return EVP_aes_128_ofb();
} else if (name == "aes-192-cbc") {
return EVP_aes_192_cbc();
} else if (name == "aes-192-ctr") {
return EVP_aes_192_ctr();
} else if (name == "aes-192-ecb") {
return EVP_aes_192_ecb();
} else if (name == "aes-256-cbc") {
return EVP_aes_256_cbc();
} else if (name == "aes-128-ctr") {
return EVP_aes_128_ctr();
} else if (name == "aes-256-ctr") {
return EVP_aes_256_ctr();
} else if (name == "aes-256-gcm") {
return EVP_aes_256_gcm();
} else if (name == "aes-256-ofb") {
return EVP_aes_256_ofb();
}
return nullptr;
}
bool CipherOperation(const EVP_CIPHER *cipher, std::vector<uint8_t> *out,
bool encrypt, const std::vector<uint8_t> &key,
const std::vector<uint8_t> &iv,
const std::vector<uint8_t> &in) {
bssl::ScopedEVP_CIPHER_CTX ctx;
if (!EVP_CipherInit_ex(ctx.get(), cipher, nullptr, nullptr, nullptr,
encrypt ? 1 : 0)) {
return false;
}
if (!iv.empty() && iv.size() != EVP_CIPHER_CTX_iv_length(ctx.get())) {
return false;
}
int result_len1 = 0, result_len2;
*out = std::vector<uint8_t>(in.size());
if (!EVP_CIPHER_CTX_set_key_length(ctx.get(), key.size()) ||
!EVP_CipherInit_ex(ctx.get(), nullptr, nullptr, key.data(), iv.data(),
-1) ||
!EVP_CIPHER_CTX_set_padding(ctx.get(), 0) ||
!EVP_CipherUpdate(ctx.get(), out->data(), &result_len1, in.data(),
in.size()) ||
!EVP_CipherFinal_ex(ctx.get(), out->data() + result_len1, &result_len2)) {
return false;
}
out->resize(result_len1 + result_len2);
return true;
}
bool AEADEncrypt(const EVP_AEAD *aead, std::vector<uint8_t> *ct,
std::vector<uint8_t> *tag, size_t tag_len,
const std::vector<uint8_t> &key,
const std::vector<uint8_t> &pt,
const std::vector<uint8_t> &aad,
const std::vector<uint8_t> &iv) {
bssl::ScopedEVP_AEAD_CTX ctx;
if (!EVP_AEAD_CTX_init(ctx.get(), aead, key.data(), key.size(), tag_len,
nullptr)) {
return false;
}
std::vector<uint8_t> out;
out.resize(pt.size() + EVP_AEAD_max_overhead(aead));
size_t out_len;
if (!EVP_AEAD_CTX_seal(ctx.get(), out.data(), &out_len, out.size(), iv.data(),
iv.size(), pt.data(), pt.size(), aad.data(),
aad.size())) {
return false;
}
out.resize(out_len);
ct->assign(out.begin(), out.end() - tag_len);
tag->assign(out.end() - tag_len, out.end());
return true;
}
bool AEADDecrypt(const EVP_AEAD *aead, std::vector<uint8_t> *pt, size_t pt_len,
const std::vector<uint8_t> &key,
const std::vector<uint8_t> &aad,
const std::vector<uint8_t> &ct,
const std::vector<uint8_t> &tag,
const std::vector<uint8_t> &iv) {
bssl::ScopedEVP_AEAD_CTX ctx;
if (!EVP_AEAD_CTX_init_with_direction(ctx.get(), aead, key.data(), key.size(),
tag.size(), evp_aead_open)) {
return false;
}
std::vector<uint8_t> in = ct;
in.reserve(ct.size() + tag.size());
in.insert(in.end(), tag.begin(), tag.end());
pt->resize(pt_len);
size_t out_pt_len;
if (!EVP_AEAD_CTX_open(ctx.get(), pt->data(), &out_pt_len, pt->size(),
iv.data(), iv.size(), in.data(), in.size(), aad.data(),
aad.size()) ||
out_pt_len != pt_len) {
return false;
}
return true;
}
static int HexToBIGNUM(bssl::UniquePtr<BIGNUM> *out, const char *in) {
BIGNUM *raw = NULL;
int ret = BN_hex2bn(&raw, in);
out->reset(raw);
return ret;
}
bssl::UniquePtr<BIGNUM> GetBIGNUM(FileTest *t, const char *attribute) {
std::string hex;
if (!t->GetAttribute(&hex, attribute)) {
return nullptr;
}
bssl::UniquePtr<BIGNUM> ret;
if (HexToBIGNUM(&ret, hex.c_str()) != static_cast<int>(hex.size())) {
t->PrintLine("Could not decode '%s'.", hex.c_str());
return nullptr;
}
return ret;
}
int GetECGroupNIDFromInstruction(FileTest *t, const char **out_str) {
const char *dummy;
if (out_str == nullptr) {
out_str = &dummy;
}
if (t->HasInstruction("P-224")) {
*out_str = "P-224";
return NID_secp224r1;
}
if (t->HasInstruction("P-256")) {
*out_str = "P-256";
return NID_X9_62_prime256v1;
}
if (t->HasInstruction("P-384")) {
*out_str = "P-384";
return NID_secp384r1;
}
if (t->HasInstruction("P-521")) {
*out_str = "P-521";
return NID_secp521r1;
}
t->PrintLine("No supported group specified.");
return NID_undef;
}
const EVP_MD *GetDigestFromInstruction(FileTest *t) {
if (t->HasInstruction("SHA-1")) {
return EVP_sha1();
}
if (t->HasInstruction("SHA-224")) {
return EVP_sha224();
}
if (t->HasInstruction("SHA-256")) {
return EVP_sha256();
}
if (t->HasInstruction("SHA-384")) {
return EVP_sha384();
}
if (t->HasInstruction("SHA-512")) {
return EVP_sha512();
}
t->PrintLine("No supported digest function specified.");
return nullptr;
}
void EchoComment(const std::string& comment) {
fwrite(comment.c_str(), comment.size(), 1, stdout);
}
|
