mirror of
https://github.com/PowerShell/Win32-OpenSSH.git
synced 2025-11-04 05:33:55 +01:00
39 lines
1.6 KiB
C
39 lines
1.6 KiB
C
/* $OpenBSD: hmac.h,v 1.9 2014/06/24 01:13:21 djm Exp $ */
|
|
/*
|
|
* Copyright (c) 2014 Markus Friedl. All rights reserved.
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#ifndef _HMAC_H
|
|
#define _HMAC_H
|
|
|
|
/* Returns the algorithm's digest length in bytes or 0 for invalid algorithm */
|
|
size_t ssh_hmac_bytes(int alg);
|
|
|
|
struct sshbuf;
|
|
struct ssh_hmac_ctx;
|
|
struct ssh_hmac_ctx *ssh_hmac_start(int alg);
|
|
|
|
/* Sets the state of the HMAC or resets the state if key == NULL */
|
|
int ssh_hmac_init(struct ssh_hmac_ctx *ctx, const void *key, size_t klen)
|
|
__attribute__((__bounded__(__buffer__, 2, 3)));
|
|
int ssh_hmac_update(struct ssh_hmac_ctx *ctx, const void *m, size_t mlen)
|
|
__attribute__((__bounded__(__buffer__, 2, 3)));
|
|
int ssh_hmac_update_buffer(struct ssh_hmac_ctx *ctx, const struct sshbuf *b);
|
|
int ssh_hmac_final(struct ssh_hmac_ctx *ctx, u_char *d, size_t dlen)
|
|
__attribute__((__bounded__(__buffer__, 2, 3)));
|
|
void ssh_hmac_free(struct ssh_hmac_ctx *ctx);
|
|
|
|
#endif /* _HMAC_H */
|