12 #include <sys/types.h> 18 #define CHACHA_MINKEYLEN 16 19 #define CHACHA_NONCELEN 8 20 #define CHACHA_CTRLEN 8 21 #define CHACHA_STATELEN (CHACHA_NONCELEN+CHACHA_CTRLEN) 22 #define CHACHA_BLOCKLEN 64 24 void chacha_keysetup(
struct chacha_ctx *x,
const u_char *k, u_int kbits)
25 __attribute__((__bounded__(__minbytes__, 2, CHACHA_MINKEYLEN)));
26 void chacha_ivsetup(
struct chacha_ctx *x,
const u_char *iv,
const u_char *ctr)
27 __attribute__((__bounded__(__minbytes__, 2, CHACHA_NONCELEN)))
28 __attribute__((__bounded__(__minbytes__, 3, CHACHA_CTRLEN)));
29 void chacha_encrypt_bytes(
struct chacha_ctx *x,
const u_char *m,
30 u_char *c, u_int bytes)
31 __attribute__((__bounded__(__buffer__, 2, 4)))
32 __attribute__((__bounded__(__buffer__, 3, 4)));