Delete bundled copy of NSS and replace with README.

nss/lib/freebl/des.h

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