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/* test_rc2.c
*
* Copyright (C) 2006-2025 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* wolfSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* wolfSSL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
#include <tests/unit.h>
#ifdef NO_INLINE
#include <wolfssl/wolfcrypt/misc.h>
#else
#define WOLFSSL_MISC_INCLUDED
#include <wolfcrypt/src/misc.c>
#endif
#include <wolfssl/wolfcrypt/rc2.h>
#include <wolfssl/wolfcrypt/types.h>
#include <tests/api/api.h>
#include <tests/api/test_rc2.h>
/*
* Testing function for wc_Rc2SetKey().
*/
int test_wc_Rc2SetKey(void)
{
EXPECT_DECLS;
#ifdef WC_RC2
Rc2 rc2;
byte key40[] = { 0x01, 0x02, 0x03, 0x04, 0x05 };
byte iv[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };
/* valid key and IV */
ExpectIntEQ(wc_Rc2SetKey(&rc2, key40, (word32) sizeof(key40) / sizeof(byte),
iv, 40), 0);
/* valid key, no IV */
ExpectIntEQ(wc_Rc2SetKey(&rc2, key40, (word32) sizeof(key40) / sizeof(byte),
NULL, 40), 0);
/* bad arguments */
/* null Rc2 struct */
ExpectIntEQ(wc_Rc2SetKey(NULL, key40, (word32) sizeof(key40) / sizeof(byte),
iv, 40), WC_NO_ERR_TRACE(BAD_FUNC_ARG));
/* null key */
ExpectIntEQ(wc_Rc2SetKey(&rc2, NULL, (word32) sizeof(key40) / sizeof(byte),
iv, 40), WC_NO_ERR_TRACE(BAD_FUNC_ARG));
/* key size == 0 */
ExpectIntEQ(wc_Rc2SetKey(&rc2, key40, 0, iv, 40),
WC_NO_ERR_TRACE(WC_KEY_SIZE_E));
/* key size > 128 */
ExpectIntEQ(wc_Rc2SetKey(&rc2, key40, 129, iv, 40),
WC_NO_ERR_TRACE(WC_KEY_SIZE_E));
/* effective bits == 0 */
ExpectIntEQ(wc_Rc2SetKey(&rc2, key40, (word32)sizeof(key40) / sizeof(byte),
iv, 0), WC_NO_ERR_TRACE(WC_KEY_SIZE_E));
/* effective bits > 1024 */
ExpectIntEQ(wc_Rc2SetKey(&rc2, key40, (word32)sizeof(key40) / sizeof(byte),
iv, 1025), WC_NO_ERR_TRACE(WC_KEY_SIZE_E));
#endif
return EXPECT_RESULT();
} /* END test_wc_Rc2SetKey */
/*
* Testing function for wc_Rc2SetIV().
*/
int test_wc_Rc2SetIV(void)
{
EXPECT_DECLS;
#ifdef WC_RC2
Rc2 rc2;
byte iv[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };
/* valid IV */
ExpectIntEQ(wc_Rc2SetIV(&rc2, iv), 0);
/* valid NULL IV */
ExpectIntEQ(wc_Rc2SetIV(&rc2, NULL), 0);
/* bad arguments */
ExpectIntEQ(wc_Rc2SetIV(NULL, iv), WC_NO_ERR_TRACE(BAD_FUNC_ARG));
ExpectIntEQ(wc_Rc2SetIV(NULL, NULL), WC_NO_ERR_TRACE(BAD_FUNC_ARG));
#endif
return EXPECT_RESULT();
} /* END test_wc_Rc2SetIV */
/*
* Testing function for wc_Rc2EcbEncrypt() and wc_Rc2EcbDecrypt().
*/
int test_wc_Rc2EcbEncryptDecrypt(void)
{
EXPECT_DECLS;
#ifdef WC_RC2
Rc2 rc2;
int effectiveKeyBits = 63;
byte cipher[RC2_BLOCK_SIZE];
byte plain[RC2_BLOCK_SIZE];
byte key[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
byte input[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
byte output[] = { 0xeb, 0xb7, 0x73, 0xf9, 0x93, 0x27, 0x8e, 0xff };
XMEMSET(cipher, 0, sizeof(cipher));
XMEMSET(plain, 0, sizeof(plain));
ExpectIntEQ(wc_Rc2SetKey(&rc2, key, (word32) sizeof(key) / sizeof(byte),
NULL, effectiveKeyBits), 0);
ExpectIntEQ(wc_Rc2EcbEncrypt(&rc2, cipher, input, RC2_BLOCK_SIZE), 0);
ExpectIntEQ(XMEMCMP(cipher, output, RC2_BLOCK_SIZE), 0);
ExpectIntEQ(wc_Rc2EcbDecrypt(&rc2, plain, cipher, RC2_BLOCK_SIZE), 0);
ExpectIntEQ(XMEMCMP(plain, input, RC2_BLOCK_SIZE), 0);
/* Rc2EcbEncrypt bad arguments */
/* null Rc2 struct */
ExpectIntEQ(wc_Rc2EcbEncrypt(NULL, cipher, input, RC2_BLOCK_SIZE),
WC_NO_ERR_TRACE(BAD_FUNC_ARG));
/* null out buffer */
ExpectIntEQ(wc_Rc2EcbEncrypt(&rc2, NULL, input, RC2_BLOCK_SIZE),
WC_NO_ERR_TRACE(BAD_FUNC_ARG));
/* null input buffer */
ExpectIntEQ(wc_Rc2EcbEncrypt(&rc2, cipher, NULL, RC2_BLOCK_SIZE),
WC_NO_ERR_TRACE(BAD_FUNC_ARG));
/* output buffer sz != RC2_BLOCK_SIZE (8) */
ExpectIntEQ(wc_Rc2EcbEncrypt(&rc2, cipher, input, 7),
WC_NO_ERR_TRACE(BUFFER_E));
/* Rc2EcbDecrypt bad arguments */
/* null Rc2 struct */
ExpectIntEQ(wc_Rc2EcbDecrypt(NULL, plain, output, RC2_BLOCK_SIZE),
WC_NO_ERR_TRACE(BAD_FUNC_ARG));
/* null out buffer */
ExpectIntEQ(wc_Rc2EcbDecrypt(&rc2, NULL, output, RC2_BLOCK_SIZE),
WC_NO_ERR_TRACE(BAD_FUNC_ARG));
/* null input buffer */
ExpectIntEQ(wc_Rc2EcbDecrypt(&rc2, plain, NULL, RC2_BLOCK_SIZE),
WC_NO_ERR_TRACE(BAD_FUNC_ARG));
/* output buffer sz != RC2_BLOCK_SIZE (8) */
ExpectIntEQ(wc_Rc2EcbDecrypt(&rc2, plain, output, 7),
WC_NO_ERR_TRACE(BUFFER_E));
#endif
return EXPECT_RESULT();
} /* END test_wc_Rc2EcbEncryptDecrypt */
/*
* Testing function for wc_Rc2CbcEncrypt() and wc_Rc2CbcDecrypt().
*/
int test_wc_Rc2CbcEncryptDecrypt(void)
{
EXPECT_DECLS;
#ifdef WC_RC2
Rc2 rc2;
int effectiveKeyBits = 63;
byte cipher[RC2_BLOCK_SIZE*2];
byte plain[RC2_BLOCK_SIZE*2];
/* vector taken from test.c */
byte key[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
byte iv[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
byte input[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
byte output[] = {
0xeb, 0xb7, 0x73, 0xf9, 0x93, 0x27, 0x8e, 0xff,
0xf0, 0x51, 0x77, 0x8b, 0x65, 0xdb, 0x13, 0x57
};
XMEMSET(cipher, 0, sizeof(cipher));
XMEMSET(plain, 0, sizeof(plain));
ExpectIntEQ(wc_Rc2SetKey(&rc2, key, (word32) sizeof(key) / sizeof(byte),
iv, effectiveKeyBits), 0);
ExpectIntEQ(wc_Rc2CbcEncrypt(&rc2, cipher, input, sizeof(input)), 0);
ExpectIntEQ(XMEMCMP(cipher, output, sizeof(output)), 0);
/* reset IV for decrypt */
ExpectIntEQ(wc_Rc2SetIV(&rc2, iv), 0);
ExpectIntEQ(wc_Rc2CbcDecrypt(&rc2, plain, cipher, sizeof(cipher)), 0);
ExpectIntEQ(XMEMCMP(plain, input, sizeof(input)), 0);
/* Rc2CbcEncrypt bad arguments */
/* null Rc2 struct */
ExpectIntEQ(wc_Rc2CbcEncrypt(NULL, cipher, input, sizeof(input)),
WC_NO_ERR_TRACE(BAD_FUNC_ARG));
/* null out buffer */
ExpectIntEQ(wc_Rc2CbcEncrypt(&rc2, NULL, input, sizeof(input)),
WC_NO_ERR_TRACE(BAD_FUNC_ARG));
/* null input buffer */
ExpectIntEQ(wc_Rc2CbcEncrypt(&rc2, cipher, NULL, sizeof(input)),
WC_NO_ERR_TRACE(BAD_FUNC_ARG));
/* Rc2CbcDecrypt bad arguments */
/* in size is 0 */
ExpectIntEQ(wc_Rc2CbcDecrypt(&rc2, plain, output, 0), 0);
/* null Rc2 struct */
ExpectIntEQ(wc_Rc2CbcDecrypt(NULL, plain, output, sizeof(output)),
WC_NO_ERR_TRACE(BAD_FUNC_ARG));
/* null out buffer */
ExpectIntEQ(wc_Rc2CbcDecrypt(&rc2, NULL, output, sizeof(output)),
WC_NO_ERR_TRACE(BAD_FUNC_ARG));
/* null input buffer */
ExpectIntEQ(wc_Rc2CbcDecrypt(&rc2, plain, NULL, sizeof(output)),
WC_NO_ERR_TRACE(BAD_FUNC_ARG));
#endif
return EXPECT_RESULT();
} /* END test_wc_Rc2CbcEncryptDecrypt */
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