1 /* $OpenBSD: chacha.h,v 1.4 2016/08/27 04:04:56 guenther Exp $ */
4 chacha-merged.c version 20080118
12 #include <sys/types.h>
13 #include <crypto/chacha20/_chacha.h>
15 #define CHACHA_MINKEYLEN 16
16 #define CHACHA_NONCELEN 8
17 #define CHACHA_CTRLEN 8
18 #define CHACHA_STATELEN (CHACHA_NONCELEN+CHACHA_CTRLEN)
19 #define CHACHA_BLOCKLEN 64
27 #ifdef CHACHA_NONCE0_CTR128
28 #define CHACHA_UNUSED __unused
33 LOCAL void chacha_keysetup(struct chacha_ctx *x, const u_char *k, u_int kbits);
34 LOCAL void chacha_ivsetup(struct chacha_ctx *x, const u_char *iv CHACHA_UNUSED,
36 LOCAL void chacha_encrypt_bytes(struct chacha_ctx *x, const u_char *m,
37 u_char *c, u_int bytes);