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Annotation of src/usr.bin/ssh/mac.h, Revision 1.10

1.10    ! djm         1: /* $OpenBSD: mac.h,v 1.9 2015/01/13 19:31:40 markus Exp $ */
1.1       markus      2: /*
                      3:  * Copyright (c) 2001 Markus Friedl.  All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
                     13:  *
                     14:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     15:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     16:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     17:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     18:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     19:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     20:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     21:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     22:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     23:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     24:  */
                     25:
1.9       markus     26: #ifndef SSHMAC_H
                     27: #define SSHMAC_H
                     28:
                     29: #include <sys/types.h>
                     30:
                     31: struct sshmac {
                     32:        char    *name;
                     33:        int     enabled;
                     34:        u_int   mac_len;
                     35:        u_char  *key;
                     36:        u_int   key_len;
                     37:        int     type;
                     38:        int     etm;            /* Encrypt-then-MAC */
                     39:        struct ssh_hmac_ctx     *hmac_ctx;
                     40:        struct umac_ctx         *umac_ctx;
                     41: };
                     42:
1.3       markus     43: int     mac_valid(const char *);
1.8       dtucker    44: char   *mac_alg_list(char);
1.9       markus     45: int     mac_setup(struct sshmac *, char *);
                     46: int     mac_init(struct sshmac *);
                     47: int     mac_compute(struct sshmac *, u_int32_t, const u_char *, int,
                     48:     u_char *, size_t);
1.10    ! djm        49: int     mac_check(struct sshmac *, u_int32_t, const u_char *, size_t,
        !            50:     const u_char *, size_t);
1.9       markus     51: void    mac_clear(struct sshmac *);
                     52:
                     53: #endif /* SSHMAC_H */