Mercurial > dropbear

annotate libtomcrypt/src/stream/chacha/chacha_keystream.c @ 1629:258b57b208ae

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Fix for issue successfull login of disabled user (#78) This commit introduces fix for scenario: 1. Root login disabled on dropbear 2. PAM authentication model enabled While login as root user, after prompt for password user is being notified about login failrue, but after second attempt of prompt for password within same session, login becames succesfull. Signed-off-by: Pawel Rapkiewicz <[email protected]>
author vincentto13 <33652988+vincentto13@users.noreply.github.com>
date Wed, 20 Mar 2019 15:03:40 +0100
parents 6dba84798cd5
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
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2 *
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3 * LibTomCrypt is a library that provides various cryptographic
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4 * algorithms in a highly modular and flexible manner.
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5 *
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6 * The library is free for all purposes without any express
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7 * guarantee it works.
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8 */
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9
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10 /* The implementation is based on:
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11 * chacha-ref.c version 20080118
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12 * Public domain from D. J. Bernstein
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13 */
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14
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15 #include "tomcrypt.h"
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16
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17 #ifdef LTC_CHACHA
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18
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19 /**
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20 Generate a stream of random bytes via ChaCha
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21 @param st The ChaCha20 state
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22 @param out [out] The output buffer
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23 @param outlen The output length
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24 @return CRYPT_OK on success
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25 */
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26 int chacha_keystream(chacha_state *st, unsigned char *out, unsigned long outlen)
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27 {
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28 if (outlen == 0) return CRYPT_OK; /* nothing to do */
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29 LTC_ARGCHK(out != NULL);
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30 XMEMSET(out, 0, outlen);
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31 return chacha_crypt(st, out, outlen, out);
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32 }
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33
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34 #endif
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35
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36 /* ref: $Format:%D$ */
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37 /* git commit: $Format:%H$ */
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38 /* commit time: $Format:%ai$ */