41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
/* LibTomCrypt, modular cryptographic library -- Tom St Denis */
|
|
/* SPDX-License-Identifier: Unlicense */
|
|
|
|
/* The implementation is based on:
|
|
* chacha-ref.c version 20080118
|
|
* Public domain from D. J. Bernstein
|
|
*/
|
|
|
|
#include "tomcrypt_private.h"
|
|
|
|
#ifdef LTC_RABBIT
|
|
|
|
/**
|
|
Encrypt (or decrypt) bytes of ciphertext (or plaintext) with Rabbit
|
|
@param key The key
|
|
@param keylen The key length
|
|
@param iv The initial vector
|
|
@param ivlen The initial vector length
|
|
@param datain The plaintext (or ciphertext)
|
|
@param datalen The length of the input and output (octets)
|
|
@param dataout [out] The ciphertext (or plaintext)
|
|
@return CRYPT_OK if successful
|
|
*/
|
|
int rabbit_memory(const unsigned char *key, unsigned long keylen,
|
|
const unsigned char *iv, unsigned long ivlen,
|
|
const unsigned char *datain, unsigned long datalen,
|
|
unsigned char *dataout)
|
|
{
|
|
rabbit_state st;
|
|
int err;
|
|
|
|
if ((err = rabbit_setup(&st, key, keylen)) != CRYPT_OK) goto WIPE_KEY;
|
|
if ((err = rabbit_setiv(&st, iv, ivlen)) != CRYPT_OK) goto WIPE_KEY;
|
|
err = rabbit_crypt(&st, datain, datalen, dataout);
|
|
WIPE_KEY:
|
|
rabbit_done(&st);
|
|
return err;
|
|
}
|
|
|
|
#endif /* LTC_RABBIT */
|