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annotate libtomcrypt/src/encauth/chachapoly/chacha20poly1305_init.c @ 1484:f68ee671bf6d

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author Matt Johnston <matt@ucc.asn.au>
date Sat, 10 Feb 2018 18:57:20 +0800
parents 6dba84798cd5
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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 #include "tomcrypt.h"
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11
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12 #ifdef LTC_CHACHA20POLY1305_MODE
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13
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14 /**
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15 Initialize an ChaCha20Poly1305 context (only the key)
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16 @param st [out] The destination of the ChaCha20Poly1305 state
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17 @param key The secret key
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18 @param keylen The length of the secret key (octets)
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19 @return CRYPT_OK if successful
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20 */
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21 int chacha20poly1305_init(chacha20poly1305_state *st, const unsigned char *key, unsigned long keylen)
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22 {
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23 return chacha_setup(&st->chacha, key, keylen, 20);
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24 }
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25
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26 #endif
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27
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28 /* ref: $Format:%D$ */
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29 /* git commit: $Format:%H$ */
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30 /* commit time: $Format:%ai$ */