Mercurial > dropbear

annotate libtomcrypt/src/modes/ctr/ctr_decrypt.c @ 1916:3f4cdf839a1a

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Make SHA1 optional, implement SHA256 fingerprints SHA256 is always compiled and only enable SHA1 when needed. Fingerprints are always SHA256: base64 format, md5 and sha1 are removed. dbrandom now uses sha256 its hash function.
author Matt Johnston <matt@ucc.asn.au>
date Wed, 30 Mar 2022 11:44:04 +0800
parents 6dba84798cd5
children
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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 #include "tomcrypt.h"
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11 /**
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12 @file ctr_decrypt.c
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13 CTR implementation, decrypt data, Tom St Denis
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14 */
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16 #ifdef LTC_CTR_MODE
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18 /**
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19 CTR decrypt
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20 @param ct Ciphertext
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21 @param pt [out] Plaintext
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22 @param len Length of ciphertext (octets)
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23 @param ctr CTR state
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24 @return CRYPT_OK if successful
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25 */
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26 int ctr_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CTR *ctr)
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27 {
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28 LTC_ARGCHK(pt != NULL);
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29 LTC_ARGCHK(ct != NULL);
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30 LTC_ARGCHK(ctr != NULL);
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32 return ctr_encrypt(ct, pt, len, ctr);
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33 }
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35 #endif
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37
1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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38 /* ref: $Format:%D$ */
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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39 /* git commit: $Format:%H$ */
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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40 /* commit time: $Format:%ai$ */