/* DES default state initialization handler (used by module enc providers). */
krb5_error_code krb5int_des_init_state(const krb5_keyblock *key,
krb5_keyusage keyusage,
- krb5_data *new_state);
+ krb5_data *state_out);
/* Default state cleanup handler (used by module enc providers). */
void krb5int_default_free_state(krb5_data *state);
/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
- * Copyright (C) 2001 by the Massachusetts Institute of Technology.
+ * Copyright (C) 2001, 2014 by the Massachusetts Institute of Technology.
* All rights reserved.
*
* Export of this software from the United States of America may
krb5_error_code
krb5int_des_init_state(const krb5_keyblock *key, krb5_keyusage usage,
- krb5_data *new_state)
+ krb5_data *state_out)
{
- new_state->length = 8;
- new_state->data = (void *) malloc(8);
- if (new_state->data) {
- memset (new_state->data, 0, new_state->length);
- /* We need to copy in the key for des-cbc-cr--ick, but that's how it works*/
- if (key->enctype == ENCTYPE_DES_CBC_CRC) {
- memcpy (new_state->data, key->contents, new_state->length);
- }
- } else {
+ if (alloc_data(state_out, 8))
return ENOMEM;
- }
+
+ /* des-cbc-crc uses the key as the initial ivec. */
+ if (key->enctype == ENCTYPE_DES_CBC_CRC)
+ memcpy(state_out->data, key->contents, state_out->length);
+
return 0;
}
void
krb5int_default_free_state(krb5_data *state)
{
- if (state->data) {
- free (state->data);
- state-> data = NULL;
- state->length = 0;
- }
+ free(state->data);
+ *state = empty_data();
}