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/*
* Copyright 2016-2023 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/* We need to use some engine deprecated APIs */
#define OPENSSL_SUPPRESS_DEPRECATED
#include <stdio.h>
#include <openssl/opensslconf.h>
#include <string.h>
#include <openssl/engine.h>
#include <openssl/evp.h>
#include <openssl/rand.h>
#include "testutil.h"
/* Use a buffer size which is not aligned to block size */
#define BUFFER_SIZE 17
#ifndef OPENSSL_NO_ENGINE
static ENGINE *e;
static int test_afalg_aes_cbc(int keysize_idx)
{
EVP_CIPHER_CTX *ctx;
const EVP_CIPHER *cipher;
unsigned char ebuf[BUFFER_SIZE + 32];
unsigned char dbuf[BUFFER_SIZE + 32];
const unsigned char *enc_result = NULL;
int encl, encf, decl, decf;
int ret = 0;
static const unsigned char key[] =
"\x06\xa9\x21\x40\x36\xb8\xa1\x5b\x51\x2e\x03\xd5\x34\x12\x00\x06"
"\x06\xa9\x21\x40\x36\xb8\xa1\x5b\x51\x2e\x03\xd5\x34\x12\x00\x06";
static const unsigned char iv[] =
"\x3d\xaf\xba\x42\x9d\x9e\xb4\x30\xb4\x22\xda\x80\x2c\x9f\xac\x41";
/* input = "Single block msg\n" 17 Bytes*/
static const unsigned char in[BUFFER_SIZE] =
"\x53\x69\x6e\x67\x6c\x65\x20\x62\x6c\x6f\x63\x6b\x20\x6d\x73\x67"
"\x0a";
static const unsigned char encresult_128[BUFFER_SIZE] =
"\xe3\x53\x77\x9c\x10\x79\xae\xb8\x27\x08\x94\x2d\xbe\x77\x18\x1a"
"\x2d";
static const unsigned char encresult_192[BUFFER_SIZE] =
"\xf7\xe4\x26\xd1\xd5\x4f\x8f\x39\xb1\x9e\xe0\xdf\x61\xb9\xc2\x55"
"\xeb";
static const unsigned char encresult_256[BUFFER_SIZE] =
"\xa0\x76\x85\xfd\xc1\x65\x71\x9d\xc7\xe9\x13\x6e\xae\x55\x49\xb4"
"\x13";
#ifdef OSSL_SANITIZE_MEMORY
/*
* Initialise the encryption & decryption buffers to pacify the memory
* sanitiser. The sanitiser doesn't know that this memory is modified
* by the engine, this tells it that all is good.
*/
OPENSSL_cleanse(ebuf, sizeof(ebuf));
OPENSSL_cleanse(dbuf, sizeof(dbuf));
#endif
switch (keysize_idx) {
case 0:
cipher = EVP_aes_128_cbc();
enc_result = &encresult_128[0];
break;
case 1:
cipher = EVP_aes_192_cbc();
enc_result = &encresult_192[0];
break;
case 2:
cipher = EVP_aes_256_cbc();
enc_result = &encresult_256[0];
break;
default:
cipher = NULL;
}
if (!TEST_ptr(ctx = EVP_CIPHER_CTX_new()))
return 0;
if (!TEST_true(EVP_CipherInit_ex(ctx, cipher, e, key, iv, 1))
|| !TEST_true(EVP_CipherUpdate(ctx, ebuf, &encl, in, BUFFER_SIZE))
|| !TEST_true(EVP_CipherFinal_ex(ctx, ebuf + encl, &encf)))
goto end;
encl += encf;
if (!TEST_mem_eq(enc_result, BUFFER_SIZE, ebuf, BUFFER_SIZE))
goto end;
if (!TEST_true(EVP_CIPHER_CTX_reset(ctx))
|| !TEST_true(EVP_CipherInit_ex(ctx, cipher, e, key, iv, 0))
|| !TEST_true(EVP_CipherUpdate(ctx, dbuf, &decl, ebuf, encl))
|| !TEST_true(EVP_CipherFinal_ex(ctx, dbuf + decl, &decf)))
goto end;
decl += decf;
if (!TEST_int_eq(decl, BUFFER_SIZE)
|| !TEST_mem_eq(dbuf, BUFFER_SIZE, in, BUFFER_SIZE))
goto end;
ret = 1;
end:
EVP_CIPHER_CTX_free(ctx);
return ret;
}
static int test_pr16743(void)
{
int ret = 0;
const EVP_CIPHER *cipher;
EVP_CIPHER_CTX *ctx;
if (!TEST_true(ENGINE_init(e)))
return 0;
cipher = ENGINE_get_cipher(e, NID_aes_128_cbc);
ctx = EVP_CIPHER_CTX_new();
if (cipher != NULL && ctx != NULL)
ret = EVP_EncryptInit_ex(ctx, cipher, e, NULL, NULL);
TEST_true(ret);
EVP_CIPHER_CTX_free(ctx);
ENGINE_finish(e);
return ret;
}
int global_init(void)
{
ENGINE_load_builtin_engines();
# ifndef OPENSSL_NO_STATIC_ENGINE
OPENSSL_init_crypto(OPENSSL_INIT_ENGINE_AFALG, NULL);
# endif
return 1;
}
#endif
int setup_tests(void)
{
#ifndef OPENSSL_NO_ENGINE
if ((e = ENGINE_by_id("afalg")) == NULL) {
/* Probably a platform env issue, not a test failure. */
TEST_info("Can't load AFALG engine");
} else {
ADD_ALL_TESTS(test_afalg_aes_cbc, 3);
ADD_TEST(test_pr16743);
}
#endif
return 1;
}
#ifndef OPENSSL_NO_ENGINE
void cleanup_tests(void)
{
ENGINE_free(e);
}
#endif
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