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1.1 KiB
C

/* LibTomCrypt, modular cryptographic library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */
#include "tomcrypt_private.h"
#ifdef LTC_RC4_STREAM
int rc4_stream_test(void)
{
#ifndef LTC_TEST
return CRYPT_NOP;
#else
rc4_state st;
int err;
const unsigned char key[] = { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef };
const unsigned char pt[] = { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef };
const unsigned char ct[] = { 0x75, 0xb7, 0x87, 0x80, 0x99, 0xe0, 0xc5, 0x96 };
unsigned char buf[10];
if ((err = rc4_stream_setup(&st, key, sizeof(key))) != CRYPT_OK) return err;
if ((err = rc4_stream_crypt(&st, pt, sizeof(pt), buf)) != CRYPT_OK) return err;
if (compare_testvector(buf, sizeof(ct), ct, sizeof(ct), "RC4-TV1", 0)) return CRYPT_FAIL_TESTVECTOR;
if ((err = rc4_stream_done(&st)) != CRYPT_OK) return err;
/* crypt in a single call */
if ((err = rc4_stream_memory(key, sizeof(key), pt, sizeof(pt), buf)) != CRYPT_OK) return err;
if (compare_testvector(buf, sizeof(ct), ct, sizeof(ct), "RC4-TV2", 0)) return CRYPT_FAIL_TESTVECTOR;
return CRYPT_OK;
#endif
}
#endif