mirror of https://github.com/PentHertz/liba53.git
46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
/*
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* gea.c
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*
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* Full reimplementation of GEA3
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*
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* Copyright (C) 2013 Max <Max.Suraev@fairwaves.ru>
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <stdint.h>
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#include "bits.h"
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#include "gprs_cipher.h"
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#include "kasumi.h"
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int osmo_gea4(uint8_t *out, uint16_t len, uint8_t * kc, uint32_t iv, enum gprs_cipher_direction direction) {
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_kasumi_kgcore(0xFF, 0, iv, direction, kc, out, len * 8);
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return 0;
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}
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int osmo_gea3(uint8_t *out, uint16_t len, uint64_t kc, uint32_t iv, enum gprs_cipher_direction direction) {
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uint8_t ck[16];
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osmo_64pack2pbit(kc, ck);
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osmo_64pack2pbit(kc, ck + 8);
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// _kasumi_kgcore(0xFF, 0, iv, direction, ck, out, len * 8);
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return osmo_gea4(out, len, ck, iv, direction);
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}
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