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54f132c66f
--HG-- rename : security/nss/lib/freebl/sechash.h => security/nss/lib/cryptohi/sechash.h rename : security/nss/lib/softoken/secmodt.h => security/nss/lib/pk11wrap/secmodt.h rename : security/nss/lib/freebl/hasht.h => security/nss/lib/util/hasht.h extra : rebase_source : 7da6cd73ca2605a261085ad7fb3b90315e38ad6b
44 lines
1.0 KiB
C
44 lines
1.0 KiB
C
/*
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* des.h
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*
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* header file for DES-150 library
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef _DES_H_
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#define _DES_H_ 1
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#include "blapi.h"
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typedef unsigned char BYTE;
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typedef unsigned int HALF;
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#define HALFPTR(x) ((HALF *)(x))
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#define SHORTPTR(x) ((unsigned short *)(x))
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#define BYTEPTR(x) ((BYTE *)(x))
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typedef enum {
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DES_ENCRYPT = 0x5555,
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DES_DECRYPT = 0xAAAA
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} DESDirection;
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typedef void DESFunc(struct DESContextStr *cx, BYTE *out, const BYTE *in,
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unsigned int len);
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struct DESContextStr {
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/* key schedule, 16 internal keys, each with 8 6-bit parts */
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HALF ks0 [32];
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HALF ks1 [32];
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HALF ks2 [32];
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HALF iv [2];
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DESDirection direction;
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DESFunc *worker;
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};
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void DES_MakeSchedule( HALF * ks, const BYTE * key, DESDirection direction);
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void DES_Do1Block( HALF * ks, const BYTE * inbuf, BYTE * outbuf);
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#endif
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