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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* lib/crypto/nss/enc_provider/des.c */
/*
* Copyright (c) 2010 Red Hat, Inc.
* All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * 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.
*
* * Neither the name of Red Hat, Inc., 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER
* 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 "crypto_int.h"
#include "nss_gen.h"
static krb5_error_code
k5_des_encrypt_iov(krb5_key key, const krb5_data *ivec,
krb5_crypto_iov *data, size_t num_data)
{
krb5_error_code ret;
ret = k5_nss_gen_import(key, CKM_DES_CBC, CKA_ENCRYPT);
if (ret != 0)
return ret;
return k5_nss_gen_block_iov(key, CKM_DES_CBC, CKA_ENCRYPT,
ivec, data, num_data);
}
static krb5_error_code
k5_des_decrypt_iov(krb5_key key,
const krb5_data *ivec,
krb5_crypto_iov *data,
size_t num_data)
{
krb5_error_code ret;
ret = k5_nss_gen_import(key, CKM_DES_CBC, CKA_DECRYPT);
if (ret != 0)
return ret;
return k5_nss_gen_block_iov(key, CKM_DES_CBC, CKA_DECRYPT,
ivec, data, num_data);
}
static krb5_error_code
k5_des_cbc_mac(krb5_key key, const krb5_crypto_iov *data, size_t num_data,
const krb5_data *ivec, krb5_data *output)
{
krb5_error_code ret;
ret = k5_nss_gen_import(key, CKM_DES_CBC, CKA_ENCRYPT);
if (ret != 0)
return ret;
return k5_nss_gen_cbcmac_iov(key, CKM_DES_CBC, ivec, data, num_data,
output);
}
const struct krb5_enc_provider krb5int_enc_des = {
8,
7, 8,
k5_des_encrypt_iov,
k5_des_decrypt_iov,
k5_des_cbc_mac,
krb5int_des_init_state,
krb5int_default_free_state,
k5_nss_gen_cleanup
};
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