1 /*
2 * Copyright 2016-2021 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 /* We need to use some engine deprecated APIs */
11 #define OPENSSL_SUPPRESS_DEPRECATED
12
13 #include <stdio.h>
14 #include <openssl/opensslconf.h>
15
16 #include <string.h>
17 #include <openssl/engine.h>
18 #include <openssl/evp.h>
19 #include <openssl/rand.h>
20 #include "testutil.h"
21
22 /* Use a buffer size which is not aligned to block size */
23 #define BUFFER_SIZE 17
24
25 #ifndef OPENSSL_NO_ENGINE
26 static ENGINE *e;
27
test_afalg_aes_cbc(int keysize_idx)28 static int test_afalg_aes_cbc(int keysize_idx)
29 {
30 EVP_CIPHER_CTX *ctx;
31 const EVP_CIPHER *cipher;
32 unsigned char ebuf[BUFFER_SIZE + 32];
33 unsigned char dbuf[BUFFER_SIZE + 32];
34 const unsigned char *enc_result = NULL;
35 int encl, encf, decl, decf;
36 int ret = 0;
37 static const unsigned char key[] =
38 "\x06\xa9\x21\x40\x36\xb8\xa1\x5b\x51\x2e\x03\xd5\x34\x12\x00\x06"
39 "\x06\xa9\x21\x40\x36\xb8\xa1\x5b\x51\x2e\x03\xd5\x34\x12\x00\x06";
40 static const unsigned char iv[] =
41 "\x3d\xaf\xba\x42\x9d\x9e\xb4\x30\xb4\x22\xda\x80\x2c\x9f\xac\x41";
42 /* input = "Single block msg\n" 17 Bytes*/
43 static const unsigned char in[BUFFER_SIZE] =
44 "\x53\x69\x6e\x67\x6c\x65\x20\x62\x6c\x6f\x63\x6b\x20\x6d\x73\x67"
45 "\x0a";
46 static const unsigned char encresult_128[BUFFER_SIZE] =
47 "\xe3\x53\x77\x9c\x10\x79\xae\xb8\x27\x08\x94\x2d\xbe\x77\x18\x1a"
48 "\x2d";
49 static const unsigned char encresult_192[BUFFER_SIZE] =
50 "\xf7\xe4\x26\xd1\xd5\x4f\x8f\x39\xb1\x9e\xe0\xdf\x61\xb9\xc2\x55"
51 "\xeb";
52 static const unsigned char encresult_256[BUFFER_SIZE] =
53 "\xa0\x76\x85\xfd\xc1\x65\x71\x9d\xc7\xe9\x13\x6e\xae\x55\x49\xb4"
54 "\x13";
55
56 #ifdef OSSL_SANITIZE_MEMORY
57 /*
58 * Initialise the encryption & decryption buffers to pacify the memory
59 * sanitiser. The sanitiser doesn't know that this memory is modified
60 * by the engine, this tells it that all is good.
61 */
62 OPENSSL_cleanse(ebuf, sizeof(ebuf));
63 OPENSSL_cleanse(dbuf, sizeof(dbuf));
64 #endif
65
66 switch (keysize_idx) {
67 case 0:
68 cipher = EVP_aes_128_cbc();
69 enc_result = &encresult_128[0];
70 break;
71 case 1:
72 cipher = EVP_aes_192_cbc();
73 enc_result = &encresult_192[0];
74 break;
75 case 2:
76 cipher = EVP_aes_256_cbc();
77 enc_result = &encresult_256[0];
78 break;
79 default:
80 cipher = NULL;
81 }
82 if (!TEST_ptr(ctx = EVP_CIPHER_CTX_new()))
83 return 0;
84
85 if (!TEST_true(EVP_CipherInit_ex(ctx, cipher, e, key, iv, 1))
86 || !TEST_true(EVP_CipherUpdate(ctx, ebuf, &encl, in, BUFFER_SIZE))
87 || !TEST_true(EVP_CipherFinal_ex(ctx, ebuf + encl, &encf)))
88 goto end;
89 encl += encf;
90
91 if (!TEST_mem_eq(enc_result, BUFFER_SIZE, ebuf, BUFFER_SIZE))
92 goto end;
93
94 if (!TEST_true(EVP_CIPHER_CTX_reset(ctx))
95 || !TEST_true(EVP_CipherInit_ex(ctx, cipher, e, key, iv, 0))
96 || !TEST_true(EVP_CipherUpdate(ctx, dbuf, &decl, ebuf, encl))
97 || !TEST_true(EVP_CipherFinal_ex(ctx, dbuf + decl, &decf)))
98 goto end;
99 decl += decf;
100
101 if (!TEST_int_eq(decl, BUFFER_SIZE)
102 || !TEST_mem_eq(dbuf, BUFFER_SIZE, in, BUFFER_SIZE))
103 goto end;
104
105 ret = 1;
106
107 end:
108 EVP_CIPHER_CTX_free(ctx);
109 return ret;
110 }
111
test_pr16743(void)112 static int test_pr16743(void)
113 {
114 int ret = 0;
115 const EVP_CIPHER * cipher;
116 EVP_CIPHER_CTX *ctx;
117
118 if (!TEST_true(ENGINE_init(e)))
119 return 0;
120 cipher = ENGINE_get_cipher(e, NID_aes_128_cbc);
121 ctx = EVP_CIPHER_CTX_new();
122 if (cipher != NULL && ctx != NULL)
123 ret = EVP_EncryptInit_ex(ctx, cipher, e, NULL, NULL);
124 TEST_true(ret);
125 EVP_CIPHER_CTX_free(ctx);
126 ENGINE_finish(e);
127 return ret;
128 }
129
global_init(void)130 int global_init(void)
131 {
132 ENGINE_load_builtin_engines();
133 # ifndef OPENSSL_NO_STATIC_ENGINE
134 OPENSSL_init_crypto(OPENSSL_INIT_ENGINE_AFALG, NULL);
135 # endif
136 return 1;
137 }
138 #endif
139
setup_tests(void)140 int setup_tests(void)
141 {
142 #ifndef OPENSSL_NO_ENGINE
143 if ((e = ENGINE_by_id("afalg")) == NULL) {
144 /* Probably a platform env issue, not a test failure. */
145 TEST_info("Can't load AFALG engine");
146 } else {
147 ADD_ALL_TESTS(test_afalg_aes_cbc, 3);
148 ADD_TEST(test_pr16743);
149 }
150 #endif
151
152 return 1;
153 }
154
155 #ifndef OPENSSL_NO_ENGINE
cleanup_tests(void)156 void cleanup_tests(void)
157 {
158 ENGINE_free(e);
159 }
160 #endif
161