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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
* Copyright (C) 1998 by the FundsXpress, INC.
*
* 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 FundsXpress. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. FundsXpress makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#include "k5-int.h"
#include "rsa-md4.h"
#include "hash_provider.h"
#include "aead.h"
static krb5_error_code
k5_md4_hash(const krb5_crypto_iov *data, size_t num_data, krb5_data *output)
{
krb5_MD4_CTX ctx;
unsigned int i;
if (output->length != RSA_MD4_CKSUM_LENGTH)
return(KRB5_CRYPTO_INTERNAL);
krb5int_MD4Init(&ctx);
for (i = 0; i < num_data; i++) {
const krb5_crypto_iov *iov = &data[i];
if (SIGN_IOV(iov)) {
krb5int_MD4Update(&ctx, (unsigned char *) iov->data.data,
iov->data.length);
}
}
krb5int_MD4Final(&ctx);
memcpy(output->data, ctx.digest, RSA_MD4_CKSUM_LENGTH);
return(0);
}
const struct krb5_hash_provider krb5int_hash_md4 = {
"MD4",
RSA_MD4_CKSUM_LENGTH,
64,
k5_md4_hash
};
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