/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */

/* lib/crypto/krb/encrypt_iov.c */

/*

 * Copyright 2008 by the Massachusetts Institute of Technology.

 * All Rights Reserved.

 *

 * Export of this software from the United States of America may

 *   require a specific license from the United States Government.

 *   It is the responsibility of any person or organization contemplating

 *   export to obtain such a license before exporting.

 *

 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and

 * distribute this software and its documentation for any purpose and

 * without fee is hereby granted, provided that the above copyright

 * notice appear in all copies and that both that copyright notice and

 * this permission notice appear in supporting documentation, and that

 * the name of M.I.T. not be used in advertising or publicity pertaining

 * to distribution of the software without specific, written prior

 * permission.  Furthermore if you modify this software you must label

 * your software as modified software and not distribute it in such a

 * fashion that it might be confused with the original M.I.T. software.

 * M.I.T. makes no representations about the suitability of

 * this software for any purpose.  It is provided "as is" without express

 * or implied warranty.

 */

#include "crypto_int.h"

krb5_error_code KRB5_CALLCONV

krb5_k_encrypt_iov(krb5_context context, krb5_key key, krb5_keyusage usage,

                   const krb5_data *cipher_state, krb5_crypto_iov *data,

                   size_t num_data)

{

    const struct krb5_keytypes *ktp;

    ktp = find_enctype(key->keyblock.enctype);

    if (ktp == NULL)

        return KRB5_BAD_ENCTYPE;

    return ktp->encrypt(ktp, key, usage, cipher_state, data, num_data);

}

krb5_error_code KRB5_CALLCONV

krb5_c_encrypt_iov(krb5_context context, const krb5_keyblock *keyblock,

                   krb5_keyusage usage, const krb5_data *cipher_state,

                   krb5_crypto_iov *data, size_t num_data)

{

    krb5_key key;

    krb5_error_code ret;

    ret = krb5_k_create_key(context, keyblock, &key);

    if (ret != 0)

        return ret;

    ret = krb5_k_encrypt_iov(context, key, usage, cipher_state, data,

                             num_data);

    krb5_k_free_key(context, key);

    return ret;

}