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