Files
heimdal/lib/krb5/mk_priv.c
Assar Westerlund a795f8b011 different type of encryption
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@2151 ec53bebd-3082-4978-b11e-865c3cabbd6b
1997-07-11 13:07:27 +00:00

60 lines
1.4 KiB
C

#include <krb5_locl.h>
RCSID("$Id$");
krb5_error_code
krb5_mk_priv(krb5_context context,
krb5_auth_context auth_context,
const krb5_data *userdata,
krb5_data *outbuf,
/*krb5_replay_data*/ void *outdata)
{
krb5_error_code r;
KRB_PRIV s;
EncKrbPrivPart part;
struct timeval tv;
unsigned usec;
u_char buf[1024];
size_t len;
unsigned tmp_seq;
part.user_data = *userdata;
gettimeofday (&tv, NULL);
usec = tv.tv_usec;
part.timestamp = &tv.tv_sec;
part.usec = &usec;
if (auth_context->flags & KRB5_AUTH_CONTEXT_DO_SEQUENCE) {
tmp_seq = ++auth_context->local_seqnumber;
part.seq_number = &tmp_seq;
} else {
part.seq_number = NULL;
}
part.s_address = auth_context->local_address;
part.r_address = auth_context->remote_address;
r = encode_EncKrbPrivPart (buf + sizeof(buf) - 1, sizeof(buf), &part, &len);
if (r)
return r;
s.pvno = 5;
s.msg_type = krb_priv;
s.enc_part.etype = auth_context->enctype;
s.enc_part.kvno = NULL;
r = krb5_encrypt (context, buf + sizeof(buf) - len, len,
s.enc_part.etype, &auth_context->key, &s.enc_part.cipher);
if (r)
return r;
r = encode_KRB_PRIV (buf + sizeof(buf) - 1, sizeof(buf), &s, &len);
if (r)
return r;
outbuf->length = len;
outbuf->data = malloc (len);
if (outbuf->data == NULL)
return ENOMEM;
memcpy (outbuf->data, buf + sizeof(buf) - len, len);
return 0;
}