summaryrefslogtreecommitdiffstats
path: root/src/crypto/evp/evp_test.cc
blob: c7ac9089188884a7e698e9edbbdd8d7ddc46af93 (plain)
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
/*
 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
 * project.
 */
/* ====================================================================
 * Copyright (c) 2015 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    licensing@OpenSSL.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 */

#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>

#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable: 4702)
#endif

#include <map>
#include <string>
#include <vector>

#if defined(_MSC_VER)
#pragma warning(pop)
#endif

#include <openssl/bio.h>
#include <openssl/crypto.h>
#include <openssl/digest.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/pem.h>

#include "../test/file_test.h"
#include "../test/scoped_types.h"
#include "../test/stl_compat.h"


// evp_test dispatches between multiple test types. PrivateKey tests take a key
// name parameter and single block, decode it as a PEM private key, and save it
// under that key name. Decrypt, Sign, and Verify tests take a previously
// imported key name as parameter and test their respective operations.

static const EVP_MD *GetDigest(FileTest *t, const std::string &name) {
  if (name == "MD5") {
    return EVP_md5();
  } else if (name == "SHA1") {
    return EVP_sha1();
  } else if (name == "SHA224") {
    return EVP_sha224();
  } else if (name == "SHA256") {
    return EVP_sha256();
  } else if (name == "SHA384") {
    return EVP_sha384();
  } else if (name == "SHA512") {
    return EVP_sha512();
  }
  t->PrintLine("Unknown digest: '%s'", name.c_str());
  return nullptr;
}

using KeyMap = std::map<std::string, EVP_PKEY*>;

// ImportPrivateKey evaluates a PrivateKey test in |t| and writes the resulting
// private key to |key_map|.
static bool ImportPrivateKey(FileTest *t, KeyMap *key_map) {
  const std::string &key_name = t->GetParameter();
  if (key_map->count(key_name) > 0) {
    t->PrintLine("Duplicate key '%s'.", key_name.c_str());
    return false;
  }
  const std::string &block = t->GetBlock();
  ScopedBIO bio(BIO_new_mem_buf(const_cast<char*>(block.data()), block.size()));
  if (!bio) {
    return false;
  }
  ScopedEVP_PKEY pkey(PEM_read_bio_PrivateKey(bio.get(), nullptr, 0, nullptr));
  if (!pkey) {
    t->PrintLine("Error reading private key.");
    return false;
  }
  (*key_map)[key_name] = pkey.release();
  return true;
}

static bool TestEVP(FileTest *t, void *arg) {
  KeyMap *key_map = reinterpret_cast<KeyMap*>(arg);
  if (t->GetType() == "PrivateKey") {
    return ImportPrivateKey(t, key_map);
  }

  int (*key_op_init)(EVP_PKEY_CTX *ctx);
  int (*key_op)(EVP_PKEY_CTX *ctx, uint8_t *out, size_t *out_len,
                const uint8_t *in, size_t in_len);
  if (t->GetType() == "Decrypt") {
    key_op_init = EVP_PKEY_decrypt_init;
    key_op = EVP_PKEY_decrypt;
  } else if (t->GetType() == "Sign") {
    key_op_init = EVP_PKEY_sign_init;
    key_op = EVP_PKEY_sign;
  } else if (t->GetType() == "Verify") {
    key_op_init = EVP_PKEY_verify_init;
    key_op = nullptr;  // EVP_PKEY_verify is handled differently.
  } else {
    t->PrintLine("Unknown test '%s'", t->GetType().c_str());
    return false;
  }

  // Load the key.
  const std::string &key_name = t->GetParameter();
  if (key_map->count(key_name) == 0) {
    t->PrintLine("Could not find key '%s'.", key_name.c_str());
    return false;
  }
  EVP_PKEY *key = (*key_map)[key_name];

  std::vector<uint8_t> input, output;
  if (!t->GetBytes(&input, "Input") ||
      !t->GetBytes(&output, "Output")) {
    return false;
  }

  // Set up the EVP_PKEY_CTX.
  ScopedEVP_PKEY_CTX ctx(EVP_PKEY_CTX_new(key, nullptr));
  if (!ctx || !key_op_init(ctx.get())) {
    return false;
  }
  if (t->HasAttribute("Digest")) {
    const EVP_MD *digest = GetDigest(t, t->GetAttributeOrDie("Digest"));
    if (digest == nullptr ||
        !EVP_PKEY_CTX_set_signature_md(ctx.get(), digest)) {
      return false;
    }
  }

  if (t->GetType() == "Verify") {
    if (!EVP_PKEY_verify(ctx.get(), bssl::vector_data(&output), output.size(),
                         bssl::vector_data(&input), input.size())) {
      // ECDSA sometimes doesn't push an error code. Push one on the error queue
      // so it's distinguishable from other errors.
      OPENSSL_PUT_ERROR(USER, ERR_R_EVP_LIB);
      return false;
    }
    return true;
  }

  size_t len;
  std::vector<uint8_t> actual;
  if (!key_op(ctx.get(), nullptr, &len, bssl::vector_data(&input),
              input.size())) {
    return false;
  }
  actual.resize(len);
  if (!key_op(ctx.get(), bssl::vector_data(&actual), &len,
              bssl::vector_data(&input), input.size())) {
    return false;
  }
  actual.resize(len);
  if (!t->ExpectBytesEqual(bssl::vector_data(&output), output.size(),
                           bssl::vector_data(&actual), len)) {
    return false;
  }
  return true;
}

int main(int argc, char **argv) {
  CRYPTO_library_init();
  if (argc != 2) {
    fprintf(stderr, "%s <test file.txt>\n", argv[0]);
    return 1;
  }

  KeyMap map;
  int ret = FileTestMain(TestEVP, &map, argv[1]);
  // TODO(davidben): When we can rely on a move-aware std::map, make KeyMap a
  // map of ScopedEVP_PKEY instead.
  for (const auto &pair : map) {
    EVP_PKEY_free(pair.second);
  }
  return ret;
}