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security/nss/lib/freebl/des.h@b8a032363ba2 (annotated)

security/nss/lib/freebl/des.h

Thu, 22 Jan 2015 13:21:57 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 22 Jan 2015 13:21:57 +0100

branch

TOR_BUG_9701

changeset 15

b8a032363ba2

permissions

-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0	1	/*
michael@0	2	* des.h
michael@0	3	*
michael@0	4	* header file for DES-150 library
michael@0	5	*
michael@0	6	* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	7	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	8	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	9
michael@0	10	#ifndef _DES_H_
michael@0	11	#define _DES_H_ 1
michael@0	12
michael@0	13	#include "blapi.h"
michael@0	14
michael@0	15	typedef unsigned char BYTE;
michael@0	16	typedef unsigned int HALF;
michael@0	17
michael@0	18	#define HALFPTR(x) ((HALF *)(x))
michael@0	19	#define SHORTPTR(x) ((unsigned short *)(x))
michael@0	20	#define BYTEPTR(x) ((BYTE *)(x))
michael@0	21
michael@0	22	typedef enum {
michael@0	23	DES_ENCRYPT = 0x5555,
michael@0	24	DES_DECRYPT = 0xAAAA
michael@0	25	} DESDirection;
michael@0	26
michael@0	27	typedef void DESFunc(struct DESContextStr *cx, BYTE *out, const BYTE *in,
michael@0	28	unsigned int len);
michael@0	29
michael@0	30	struct DESContextStr {
michael@0	31	/* key schedule, 16 internal keys, each with 8 6-bit parts */
michael@0	32	HALF ks0 [32];
michael@0	33	HALF ks1 [32];
michael@0	34	HALF ks2 [32];
michael@0	35	HALF iv [2];
michael@0	36	DESDirection direction;
michael@0	37	DESFunc *worker;
michael@0	38	};
michael@0	39
michael@0	40	void DES_MakeSchedule( HALF * ks, const BYTE * key, DESDirection direction);
michael@0	41	void DES_Do1Block( HALF * ks, const BYTE * inbuf, BYTE * outbuf);
michael@0	42
michael@0	43	#endif