diff options
author | Damien Miller <djm@mindrot.org> | 2000-04-04 14:38:59 +1000 |
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committer | Damien Miller <djm@mindrot.org> | 2000-04-04 14:38:59 +1000 |
commit | 33b13568b520b25990261206e10c941a9270238f (patch) | |
tree | be9d549ee0c9c7774e3ec1da8d807b2e04b00bec /hmac.c | |
parent | 193ba88dd6e9d6bcd5f476c7f5ddde8fd0b752bf (diff) |
- OpenBSD CVS update:
- [packet.h packet.c]
ssh2 packet format
- [packet.h packet.c nchan2.ms nchan.h compat.h compat.c]
[channels.h channels.c]
channel layer support for ssh2
- [kex.h kex.c hmac.h hmac.c dsa.c dsa.h]
DSA, keyexchange, algorithm agreement for ssh2
Diffstat (limited to 'hmac.c')
-rw-r--r-- | hmac.c | 64 |
1 files changed, 64 insertions, 0 deletions
@@ -0,0 +1,64 @@ +/* + * Copyright (c) 2000 Markus Friedl. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Markus Friedl. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "includes.h" +RCSID("$Id: hmac.c,v 1.1 2000/04/03 20:06:15 markus Exp $"); + +#include "xmalloc.h" +#include "ssh.h" +#include "getput.h" + +#if HAVE_OPENSSL +# include <openssl/hmac.h> +#endif /* HAVE_OPENSSL */ +#if HAVE_SSL +# include <ssl/hmac.h> +#endif /* HAVE_SSL */ + +unsigned char * +hmac( + EVP_MD *evp_md, + unsigned int seqno, + unsigned char *data, int datalen, + unsigned char *key, int keylen) +{ + HMAC_CTX c; + static unsigned char m[EVP_MAX_MD_SIZE]; + unsigned char b[4]; + + if (key == NULL) + fatal("hmac: no key"); + HMAC_Init(&c, key, keylen, evp_md); + PUT_32BIT(b, seqno); + HMAC_Update(&c, b, sizeof b); + HMAC_Update(&c, data, datalen); + HMAC_Final(&c, m, NULL); + HMAC_cleanup(&c); + return(m); +} |