Annotation of src/usr.bin/ssh/cipher-chachapoly.h, Revision 1.5
1.5 ! djm 1: /* $OpenBSD: cipher-chachapoly.h,v 1.4 2014/06/24 01:13:21 djm Exp $ */
1.1 djm 2:
3: /*
4: * Copyright (c) Damien Miller 2013 <djm@mindrot.org>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18: #ifndef CHACHA_POLY_AEAD_H
19: #define CHACHA_POLY_AEAD_H
20:
21: #include <sys/types.h>
22: #include "chacha.h"
23: #include "poly1305.h"
24:
25: #define CHACHA_KEYLEN 32 /* Only 256 bit keys used here */
26:
1.5 ! djm 27: struct chachapoly_ctx;
! 28:
! 29: struct chachapoly_ctx *chachapoly_new(const u_char *key, u_int keylen)
! 30: __attribute__((__bounded__(__buffer__, 1, 2)));
! 31: void chachapoly_free(struct chachapoly_ctx *cpctx);
! 32:
1.1 djm 33: int chachapoly_crypt(struct chachapoly_ctx *cpctx, u_int seqnr,
34: u_char *dest, const u_char *src, u_int len, u_int aadlen, u_int authlen,
35: int do_encrypt);
36: int chachapoly_get_length(struct chachapoly_ctx *cpctx,
37: u_int *plenp, u_int seqnr, const u_char *cp, u_int len)
1.3 djm 38: __attribute__((__bounded__(__buffer__, 4, 5)));
1.1 djm 39:
40: #endif /* CHACHA_POLY_AEAD_H */