Mercurial > dropbear
view libtomcrypt/src/stream/rc4/rc4_test.c @ 1630:9579377b5f8b
use strlcpy & strlcat (#74)
* refactor checkpubkeyperms() with safe BSD functions
fix gcc8 warnings
```
svr-authpubkey.c: In function 'checkpubkeyperms':
svr-authpubkey.c:427:2: warning: 'strncat' specified bound 5 equals source length [-Wstringop-overflow=]
strncat(filename, "/.ssh", 5); /* strlen("/.ssh") == 5 */
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
svr-authpubkey.c:433:2: warning: 'strncat' specified bound 16 equals source length [-Wstringop-overflow=]
strncat(filename, "/authorized_keys", 16);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
```
see https://www.sudo.ws/todd/papers/strlcpy.html
* restore strlcpy in xstrdup
see original https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/xmalloc.c?rev=1.16
author | François Perrad <francois.perrad@gadz.org> |
---|---|
date | Wed, 20 Mar 2019 15:09:19 +0100 |
parents | 6dba84798cd5 |
children |
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line source
/* LibTomCrypt, modular cryptographic library -- Tom St Denis * * LibTomCrypt is a library that provides various cryptographic * algorithms in a highly modular and flexible manner. * * The library is free for all purposes without any express * guarantee it works. */ #include "tomcrypt.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", 0)) return CRYPT_FAIL_TESTVECTOR; if ((err = rc4_stream_done(&st)) != CRYPT_OK) return err; return CRYPT_OK; #endif } #endif /* ref: $Format:%D$ */ /* git commit: $Format:%H$ */ /* commit time: $Format:%ai$ */