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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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/* lib/crypto/krb/prf_rc4.c */
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/*
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* Copyright (C) 2009 by the Massachusetts Institute of Technology.
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* All rights reserved.
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*
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* Export of this software from the United States of America may
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* require a specific license from the United States Government.
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* It is the responsibility of any person or organization contemplating
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* export to obtain such a license before exporting.
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*
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* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
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* distribute this software and its documentation for any purpose and
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* without fee is hereby granted, provided that the above copyright
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* notice appear in all copies and that both that copyright notice and
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* this permission notice appear in supporting documentation, and that
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* the name of M.I.T. not be used in advertising or publicity pertaining
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* to distribution of the software without specific, written prior
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* permission. Furthermore if you modify this software you must label
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* your software as modified software and not distribute it in such a
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* fashion that it might be confused with the original M.I.T. software.
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* M.I.T. makes no representations about the suitability of
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* this software for any purpose. It is provided "as is" without express
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* or implied warranty.
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*/
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#include "crypto_int.h"
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krb5_error_code
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krb5int_arcfour_prf(const struct krb5_keytypes *ktp, krb5_key key,
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const krb5_data *in, krb5_data *out)
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{
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krb5_crypto_iov iov;
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assert(out->length == 20);
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iov.flags = KRB5_CRYPTO_TYPE_DATA;
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iov.data = *in;
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return krb5int_hmac(&krb5int_hash_sha1, key, &iov, 1, out);
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}
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