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Move seal/unseal functions here from various places.

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@2840 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
1997-08-09 00:17:13 +00:00
parent eb5c565f1b
commit 1853769ca1
1 changed files with 44 additions and 0 deletions
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44
lib/hdb/hdb.c
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@@ -158,6 +158,50 @@ hdb_etype2key(krb5_context context,
return hdb_next_etype2key(context,e, etype, key);
}
/* this is really ugly, bus has to be this way until the crypto
framework gets fixed */
Key *
hdb_unseal_key(Key *key, des_key_schedule master_key)
{
des_cblock iv;
int num = 0;
Key *new_key;
new_key = malloc(sizeof(*new_key));
copy_Key(key, new_key);
memset(&iv, 0, sizeof(iv));
des_cfb64_encrypt(key->key.keyvalue.data,
new_key->key.keyvalue.data,
key->key.keyvalue.length,
master_key, &iv, &num, 0);
return new_key;
}
void
hdb_seal_key(Key *key, des_key_schedule master_key)
{
des_cblock iv;
int num = 0;
memset(&iv, 0, sizeof(iv));
des_cfb64_encrypt(key->key.keyvalue.data,
key->key.keyvalue.data,
key->key.keyvalue.length,
master_key, &iv, &num, 1);
}
void
hdb_free_key(Key *key)
{
memset(key->key.keyvalue.data,
0,
key->key.keyvalue.length);
free_Key(key);
free(key);
}
krb5_error_code
hdb_lock(int fd, int operation)
{