12 #include <sys/types.h>
19 #define CHACHA_MINKEYLEN 16
20 #define CHACHA_NONCELEN 8
21 #define CHACHA_CTRLEN 8
22 #define CHACHA_STATELEN (CHACHA_NONCELEN+CHACHA_CTRLEN)
23 #define CHACHA_BLOCKLEN 64
25 void chacha_keysetup(
struct chacha_ctx *x,
const u_char *k, u_int kbits)
26 __attribute__((__bounded__(__minbytes__, 2, CHACHA_MINKEYLEN)));
27 void chacha_ivsetup(
struct chacha_ctx *x,
const u_char *iv,
const u_char *ctr)
28 __attribute__((__bounded__(__minbytes__, 2, CHACHA_NONCELEN)))
29 __attribute__((__bounded__(__minbytes__, 3, CHACHA_CTRLEN)));
30 void chacha_encrypt_bytes(struct chacha_ctx *x, const u_char *m,
31 u_char *c, u_int bytes)
32 __attribute__((__bounded__(__buffer__, 2, 4)))
33 __attribute__((__bounded__(__buffer__, 3, 4)));