Mercurial > dropbear
comparison libtomcrypt/src/encauth/chachapoly/chacha20poly1305_init.c @ 1471:6dba84798cd5
Update to libtomcrypt 1.18.1, merged with Dropbear changes
| author | Matt Johnston <matt@ucc.asn.au> |
|---|---|
| date | Fri, 09 Feb 2018 21:44:05 +0800 |
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| 1470:8bba51a55704 | 1471:6dba84798cd5 |
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| 1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis | |
| 2 * | |
| 3 * LibTomCrypt is a library that provides various cryptographic | |
| 4 * algorithms in a highly modular and flexible manner. | |
| 5 * | |
| 6 * The library is free for all purposes without any express | |
| 7 * guarantee it works. | |
| 8 */ | |
| 9 | |
| 10 #include "tomcrypt.h" | |
| 11 | |
| 12 #ifdef LTC_CHACHA20POLY1305_MODE | |
| 13 | |
| 14 /** | |
| 15 Initialize an ChaCha20Poly1305 context (only the key) | |
| 16 @param st [out] The destination of the ChaCha20Poly1305 state | |
| 17 @param key The secret key | |
| 18 @param keylen The length of the secret key (octets) | |
| 19 @return CRYPT_OK if successful | |
| 20 */ | |
| 21 int chacha20poly1305_init(chacha20poly1305_state *st, const unsigned char *key, unsigned long keylen) | |
| 22 { | |
| 23 return chacha_setup(&st->chacha, key, keylen, 20); | |
| 24 } | |
| 25 | |
| 26 #endif | |
| 27 | |
| 28 /* ref: $Format:%D$ */ | |
| 29 /* git commit: $Format:%H$ */ | |
| 30 /* commit time: $Format:%ai$ */ |