xref: /netbsd-src/crypto/external/bsd/openssh/dist/poly1305.h (revision ffae97bbe8f2584baf41881dffd63be2de01b43c)
1 /*	$NetBSD: poly1305.h,v 1.2 2018/04/06 18:59:00 christos Exp $	*/
2 /* $OpenBSD: poly1305.h,v 1.4 2014/05/02 03:27:54 djm Exp $ */
3 
4 /*
5  * Public Domain poly1305 from Andrew Moon
6  * poly1305-donna-unrolled.c from https://github.com/floodyberry/poly1305-donna
7  */
8 
9 #ifndef POLY1305_H
10 #define POLY1305_H
11 
12 #include <sys/types.h>
13 
14 #define POLY1305_KEYLEN		32
15 #define POLY1305_TAGLEN		16
16 
17 void poly1305_auth(u_char out[POLY1305_TAGLEN], const u_char *m, size_t inlen,
18     const u_char key[POLY1305_KEYLEN])
19     __attribute__((__bounded__(__minbytes__, 1, POLY1305_TAGLEN)))
20     __attribute__((__bounded__(__buffer__, 2, 3)))
21     __attribute__((__bounded__(__minbytes__, 4, POLY1305_KEYLEN)));
22 
23 #endif	/* POLY1305_H */
24