From 954c01728e0c7485b72c9a5d5737e5f6bd0cf0b9 Mon Sep 17 00:00:00 2001 From: Heimdal Import User Date: Mon, 11 Jul 2005 01:16:55 +0000 Subject: r8302: import mini HEIMDAL into the tree (This used to be commit 118be28a7aef233799956615a99d1a2a74dac175) --- source4/heimdal/lib/krb5/generate_seq_number.c | 62 ++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 source4/heimdal/lib/krb5/generate_seq_number.c (limited to 'source4/heimdal/lib/krb5/generate_seq_number.c') diff --git a/source4/heimdal/lib/krb5/generate_seq_number.c b/source4/heimdal/lib/krb5/generate_seq_number.c new file mode 100644 index 0000000000..f9e9cded5f --- /dev/null +++ b/source4/heimdal/lib/krb5/generate_seq_number.c @@ -0,0 +1,62 @@ +/* + * Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * 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. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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 + +RCSID("$Id: generate_seq_number.c,v 1.9 2004/05/25 21:25:22 lha Exp $"); + +krb5_error_code KRB5_LIB_FUNCTION +krb5_generate_seq_number(krb5_context context, + const krb5_keyblock *key, + u_int32_t *seqno) +{ + krb5_error_code ret; + krb5_keyblock *subkey; + u_int32_t q; + u_char *p; + int i; + + ret = krb5_generate_subkey (context, key, &subkey); + if (ret) + return ret; + + q = 0; + for (p = (u_char *)subkey->keyvalue.data, i = 0; + i < subkey->keyvalue.length; + ++i, ++p) + q = (q << 8) | *p; + q &= 0xffffffff; + *seqno = q; + krb5_free_keyblock (context, subkey); + return 0; +} -- cgit