31 lines
917 B
C

/* 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_CHACHA20POLY1305_MODE
/**
Initialize an ChaCha20Poly1305 context (only the key)
@param st [out] The destination of the ChaCha20Poly1305 state
@param key The secret key
@param keylen The length of the secret key (octets)
@return CRYPT_OK if successful
*/
int chacha20poly1305_init(chacha20poly1305_state *st, const unsigned char *key, unsigned long keylen)
{
return chacha_setup(&st->chacha, key, keylen, 20);
}
#endif
/* ref: HEAD -> master, tag: v1.18.2 */
/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
/* commit time: 2018-07-01 22:49:01 +0200 */