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/*
* Copyright 1995-2024 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
*/
/*
* IDEA low level APIs are deprecated for public use, but still ok for internal
* use where we're using them to implement the higher level EVP interface, as is
* the case here.
*/
#include "internal/deprecated.h"
#include <string.h>
#include "internal/nelem.h"
#include "testutil.h"
#ifndef OPENSSL_NO_IDEA
#include <openssl/idea.h>
static const unsigned char k[16] = {
0x00, 0x01, 0x00, 0x02, 0x00, 0x03, 0x00, 0x04,
0x00, 0x05, 0x00, 0x06, 0x00, 0x07, 0x00, 0x08
};
static const unsigned char in[8] = { 0x00, 0x00, 0x00, 0x01, 0x00, 0x02, 0x00, 0x03 };
static const unsigned char c[8] = { 0x11, 0xFB, 0xED, 0x2B, 0x01, 0x98, 0x6D, 0xE5 };
static unsigned char out[80];
static const unsigned char text[] = "Hello to all people out there";
static const unsigned char cfb_key[16] = {
0xe1,
0xf0,
0xc3,
0xd2,
0xa5,
0xb4,
0x87,
0x96,
0x69,
0x78,
0x4b,
0x5a,
0x2d,
0x3c,
0x0f,
0x1e,
};
static const unsigned char cfb_iv[80] = {
0x34, 0x12, 0x78, 0x56, 0xab, 0x90, 0xef, 0xcd
};
static unsigned char cfb_buf1[40], cfb_buf2[40], cfb_tmp[8];
#define CFB_TEST_SIZE 24
static const unsigned char plain[CFB_TEST_SIZE] = {
0x4e, 0x6f, 0x77, 0x20, 0x69, 0x73,
0x20, 0x74, 0x68, 0x65, 0x20, 0x74,
0x69, 0x6d, 0x65, 0x20, 0x66, 0x6f,
0x72, 0x20, 0x61, 0x6c, 0x6c, 0x20
};
static const unsigned char cfb_cipher64[CFB_TEST_SIZE] = {
0x59, 0xD8, 0xE2, 0x65, 0x00, 0x58, 0x6C, 0x3F,
0x2C, 0x17, 0x25, 0xD0, 0x1A, 0x38, 0xB7, 0x2A,
0x39, 0x61, 0x37, 0xDC, 0x79, 0xFB, 0x9F, 0x45
/*- 0xF9,0x78,0x32,0xB5,0x42,0x1A,0x6B,0x38,
0x9A,0x44,0xD6,0x04,0x19,0x43,0xC4,0xD9,
0x3D,0x1E,0xAE,0x47,0xFC,0xCF,0x29,0x0B,*/
};
static int test_idea_ecb(void)
{
IDEA_KEY_SCHEDULE key, dkey;
IDEA_set_encrypt_key(k, &key);
IDEA_ecb_encrypt(in, out, &key);
if (!TEST_mem_eq(out, IDEA_BLOCK, c, sizeof(c)))
return 0;
IDEA_set_decrypt_key(&key, &dkey);
IDEA_ecb_encrypt(c, out, &dkey);
return TEST_mem_eq(out, IDEA_BLOCK, in, sizeof(in));
}
static int test_idea_cbc(void)
{
IDEA_KEY_SCHEDULE key, dkey;
unsigned char iv[IDEA_BLOCK];
const size_t text_len = sizeof(text);
IDEA_set_encrypt_key(k, &key);
IDEA_set_decrypt_key(&key, &dkey);
memcpy(iv, k, sizeof(iv));
IDEA_cbc_encrypt(text, out, text_len, &key, iv, 1);
memcpy(iv, k, sizeof(iv));
IDEA_cbc_encrypt(out, out, IDEA_BLOCK, &dkey, iv, 0);
IDEA_cbc_encrypt(&out[8], &out[8], text_len - 8, &dkey, iv, 0);
return TEST_mem_eq(text, text_len, out, text_len);
}
static int test_idea_cfb64(void)
{
IDEA_KEY_SCHEDULE eks, dks;
int n;
IDEA_set_encrypt_key(cfb_key, &eks);
IDEA_set_decrypt_key(&eks, &dks);
memcpy(cfb_tmp, cfb_iv, sizeof(cfb_tmp));
n = 0;
IDEA_cfb64_encrypt(plain, cfb_buf1, (long)12, &eks,
cfb_tmp, &n, IDEA_ENCRYPT);
IDEA_cfb64_encrypt(&plain[12], &cfb_buf1[12],
(long)CFB_TEST_SIZE - 12, &eks,
cfb_tmp, &n, IDEA_ENCRYPT);
if (!TEST_mem_eq(cfb_cipher64, CFB_TEST_SIZE, cfb_buf1, CFB_TEST_SIZE))
return 0;
memcpy(cfb_tmp, cfb_iv, sizeof(cfb_tmp));
n = 0;
IDEA_cfb64_encrypt(cfb_buf1, cfb_buf2, (long)13, &eks,
cfb_tmp, &n, IDEA_DECRYPT);
IDEA_cfb64_encrypt(&cfb_buf1[13], &cfb_buf2[13],
(long)CFB_TEST_SIZE - 13, &eks,
cfb_tmp, &n, IDEA_DECRYPT);
return TEST_mem_eq(plain, CFB_TEST_SIZE, cfb_buf2, CFB_TEST_SIZE);
}
#endif
int setup_tests(void)
{
#ifndef OPENSSL_NO_IDEA
ADD_TEST(test_idea_ecb);
ADD_TEST(test_idea_cbc);
ADD_TEST(test_idea_cfb64);
#endif
return 1;
}
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