mirror of
https://git.rtems.org/rtems-libbsd/
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151 lines
3.6 KiB
C
151 lines
3.6 KiB
C
/**
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* @file
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*
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* @brief It tests encryption and decryption using openssl.
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*/
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/*
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* Copyright (c) 2018 embedded brains GmbH. All rights reserved.
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*
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* embedded brains GmbH
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* Dornierstr. 4
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* 82178 Puchheim
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* Germany
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* <rtems@embedded-brains.de>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#define TEST_NAME "LIBBSD OPENSSL 1"
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#include <assert.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <rtems/bsd/modules.h>
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#ifdef RTEMS_BSD_MODULE_CRYPTO_OPENSSL
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#include <openssl/bio.h>
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#include <openssl/evp.h>
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#include <openssl/ssl.h>
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static const unsigned char key[16] = "0123456789abcde";
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static const unsigned char iv[16] = "fghijklmnopqrst";
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static const unsigned char plaintext[] = "The quick brown fox jumps over the lazy dog";
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static unsigned char ciphertext[48];
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static unsigned char deciphertext[sizeof(plaintext)];
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static void
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encrypt(void)
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{
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EVP_CIPHER_CTX *ctx;
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int status;
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int len;
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ctx = EVP_CIPHER_CTX_new();
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assert(ctx != NULL);
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status = EVP_EncryptInit_ex(ctx, EVP_aes_128_cbc(), NULL, key, iv);
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assert(status == 1);
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status = EVP_EncryptUpdate(ctx, ciphertext, &len, plaintext, (int)sizeof(plaintext));
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assert(status == 1);
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assert(len == 32);
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status = EVP_EncryptFinal_ex(ctx, ciphertext + len, &len);
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assert(status == 1);
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assert(len == 16);
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EVP_CIPHER_CTX_free(ctx);
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}
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static void
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decrypt(void)
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{
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EVP_CIPHER_CTX *ctx;
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int status;
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int len;
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ctx = EVP_CIPHER_CTX_new();
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assert(ctx != NULL);
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status = EVP_DecryptInit_ex(ctx, EVP_aes_128_cbc(), NULL, key, iv);
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assert(status == 1);
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status = EVP_DecryptUpdate(ctx, deciphertext, &len, ciphertext, (int)sizeof(ciphertext));
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assert(status == 1);
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assert(len == 32);
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status = EVP_DecryptFinal_ex(ctx, deciphertext + len, &len);
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assert(status == 1);
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assert(len == 12);
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EVP_CIPHER_CTX_free(ctx);
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}
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static void
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test(void)
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{
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SSL_library_init();
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OpenSSL_add_ssl_algorithms();
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SSL_load_error_strings();
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encrypt();
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puts("Ciphertext is:");
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BIO_dump_fp(stdout, ciphertext, sizeof(ciphertext));
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decrypt();
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assert(memcmp(plaintext, deciphertext, sizeof(plaintext)) == 0);
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printf("Deciphered text is:\n%s\n", deciphertext);
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}
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#else /* RTEMS_BSD_MODULE_OPENSSL */
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static void
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test(void)
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{
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puts("OpenSSL not enabled in the current build set");
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}
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#endif /* RTEMS_BSD_MODULE_OPENSSL */
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static void
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test_main(void)
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{
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test();
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exit(0);
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}
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#include <rtems/bsd/test/default-init.h>
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