1 // SPDX-License-Identifier: BSD-2-Clause
2 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
3  *
4  * LibTomCrypt is a library that provides various cryptographic
5  * algorithms in a highly modular and flexible manner.
6  *
7  * The library is free for all purposes without any express
8  * guarantee it works.
9  */
10 
11 #include "tomcrypt_private.h"
12 
13 #ifdef LTC_RC4_STREAM
14 
rc4_stream_test(void)15 int rc4_stream_test(void)
16 {
17 #ifndef LTC_TEST
18    return CRYPT_NOP;
19 #else
20    rc4_state st;
21    int err;
22    const unsigned char key[] = { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef };
23    const unsigned char pt[]  = { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef };
24    const unsigned char ct[]  = { 0x75, 0xb7, 0x87, 0x80, 0x99, 0xe0, 0xc5, 0x96 };
25    unsigned char buf[10];
26 
27    if ((err = rc4_stream_setup(&st, key, sizeof(key))) != CRYPT_OK)    return err;
28    if ((err = rc4_stream_crypt(&st, pt, sizeof(pt), buf)) != CRYPT_OK) return err;
29    if (compare_testvector(buf, sizeof(ct), ct, sizeof(ct), "RC4-TV1", 0))  return CRYPT_FAIL_TESTVECTOR;
30    if ((err = rc4_stream_done(&st)) != CRYPT_OK)                       return err;
31 
32    /* crypt in a single call */
33    if ((err = rc4_stream_memory(key, sizeof(key), pt, sizeof(pt), buf)) != CRYPT_OK) return err;
34    if (compare_testvector(buf, sizeof(ct), ct, sizeof(ct), "RC4-TV2", 0))  return CRYPT_FAIL_TESTVECTOR;
35 
36    return CRYPT_OK;
37 #endif
38 }
39 
40 #endif
41 
42 /* ref:         $Format:%D$ */
43 /* git commit:  $Format:%H$ */
44 /* commit time: $Format:%ai$ */
45