xref: /openbsd-src/usr.bin/ssh/poly1305.h (revision 37ec574aa062ad770dcc33f5ea89a930feb2d508)
1*37ec574aSdjm /* $OpenBSD: poly1305.h,v 1.4 2014/05/02 03:27:54 djm Exp $ */
21edbfe23Sdjm 
31edbfe23Sdjm /*
424617a4bSdjm  * Public Domain poly1305 from Andrew Moon
51edbfe23Sdjm  * poly1305-donna-unrolled.c from https://github.com/floodyberry/poly1305-donna
61edbfe23Sdjm  */
71edbfe23Sdjm 
81edbfe23Sdjm #ifndef POLY1305_H
91edbfe23Sdjm #define POLY1305_H
101edbfe23Sdjm 
111edbfe23Sdjm #include <sys/types.h>
121edbfe23Sdjm 
131edbfe23Sdjm #define POLY1305_KEYLEN		32
141edbfe23Sdjm #define POLY1305_TAGLEN		16
151edbfe23Sdjm 
161edbfe23Sdjm void poly1305_auth(u_char out[POLY1305_TAGLEN], const u_char *m, size_t inlen,
171edbfe23Sdjm     const u_char key[POLY1305_KEYLEN])
18*37ec574aSdjm     __attribute__((__bounded__(__minbytes__, 1, POLY1305_TAGLEN)))
19*37ec574aSdjm     __attribute__((__bounded__(__buffer__, 2, 3)))
20*37ec574aSdjm     __attribute__((__bounded__(__minbytes__, 4, POLY1305_KEYLEN)));
211edbfe23Sdjm 
221edbfe23Sdjm #endif	/* POLY1305_H */
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