Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/des/des.c

Index: openssl/crypto/des/des.c
diff --git a/openssl/crypto/des/des.c b/openssl/crypto/des/des.c
deleted file mode 100644
index 343135ff9ec505e2c0865706997a44bb249b17c7..0000000000000000000000000000000000000000
--- a/openssl/crypto/des/des.c
+++ /dev/null
@@ -1,932 +0,0 @@
-/* crypto/des/des.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- * 
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to.  The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- * 
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *    "This product includes cryptographic software written by
- *     Eric Young (eay@cryptsoft.com)"
- *    The word 'cryptographic' can be left out if the rouines from the library
- *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from 
- *    the apps directory (application code) you must include an acknowledgement:
- *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- * 
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * 
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed.  i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <openssl/opensslconf.h>
-#ifndef OPENSSL_SYS_MSDOS
-#ifndef OPENSSL_SYS_VMS
-#include OPENSSL_UNISTD
-#else /* OPENSSL_SYS_VMS */
-#ifdef __DECC
-#include <unistd.h>
-#else /* not __DECC */
-#include <math.h>
-#endif /* __DECC */
-#endif /* OPENSSL_SYS_VMS */
-#else /* OPENSSL_SYS_MSDOS */
-#include <io.h>
-#endif
-
-#include <time.h>
-#include "des_ver.h"
-
-#ifdef OPENSSL_SYS_VMS
-#include <types.h>
-#include <stat.h>
-#else
-#ifndef _IRIX
-#include <sys/types.h>
-#endif
-#include <sys/stat.h>
-#endif
-#include <openssl/des.h>
-#include <openssl/rand.h>
-#include <openssl/ui_compat.h>
-
-void usage(void);
-void doencryption(void);
-int uufwrite(unsigned char *data, int size, unsigned int num, FILE *fp);
-void uufwriteEnd(FILE *fp);
-int uufread(unsigned char *out,int size,unsigned int num,FILE *fp);
-int uuencode(unsigned char *in,int num,unsigned char *out);
-int uudecode(unsigned char *in,int num,unsigned char *out);
-void DES_3cbc_encrypt(DES_cblock *input,DES_cblock *output,long length,
-	DES_key_schedule sk1,DES_key_schedule sk2,
-	DES_cblock *ivec1,DES_cblock *ivec2,int enc);
-#ifdef OPENSSL_SYS_VMS
-#define EXIT(a) exit(a&0x10000000L)
-#else
-#define EXIT(a) exit(a)
-#endif
-
-#define BUFSIZE (8*1024)
-#define VERIFY  1
-#define KEYSIZ	8
-#define KEYSIZB 1024 /* should hit tty line limit first :-) */
-char key[KEYSIZB+1];
-int do_encrypt,longk=0;
-FILE *DES_IN,*DES_OUT,*CKSUM_OUT;
-char uuname[200];
-unsigned char uubuf[50];
-int uubufnum=0;
-#define INUUBUFN	(45*100)
-#define OUTUUBUF	(65*100)
-unsigned char b[OUTUUBUF];
-unsigned char bb[300];
-DES_cblock cksum={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
-char cksumname[200]="";
-
-int vflag,cflag,eflag,dflag,kflag,bflag,fflag,sflag,uflag,flag3,hflag,error;
-
-int main(int argc, char **argv)
-	{
-	int i;
-	struct stat ins,outs;
-	char *p;
-	char *in=NULL,*out=NULL;
-
-	vflag=cflag=eflag=dflag=kflag=hflag=bflag=fflag=sflag=uflag=flag3=0;
-	error=0;
-	memset(key,0,sizeof(key));
-
-	for (i=1; i<argc; i++)
-		{
-		p=argv[i];
-		if ((p[0] == '-') && (p[1] != '\0'))
-			{
-			p++;
-			while (*p)
-				{
-				switch (*(p++))
-					{
-				case '3':
-					flag3=1;
-					longk=1;
-					break;
-				case 'c':
-					cflag=1;
-					strncpy(cksumname,p,200);
-					cksumname[sizeof(cksumname)-1]='\0';
-					p+=strlen(cksumname);
-					break;
-				case 'C':
-					cflag=1;
-					longk=1;
-					strncpy(cksumname,p,200);
-					cksumname[sizeof(cksumname)-1]='\0';
-					p+=strlen(cksumname);
-					break;
-				case 'e':
-					eflag=1;
-					break;
-				case 'v':
-					vflag=1;
-					break;
-				case 'E':
-					eflag=1;
-					longk=1;
-					break;
-				case 'd':
-					dflag=1;
-					break;
-				case 'D':
-					dflag=1;
-					longk=1;
-					break;
-				case 'b':
-					bflag=1;
-					break;
-				case 'f':
-					fflag=1;
-					break;
-				case 's':
-					sflag=1;
-					break;
-				case 'u':
-					uflag=1;
-					strncpy(uuname,p,200);
-					uuname[sizeof(uuname)-1]='\0';
-					p+=strlen(uuname);
-					break;
-				case 'h':
-					hflag=1;
-					break;
-				case 'k':
-					kflag=1;
-					if ((i+1) == argc)
-						{
-						fputs("must have a key with the -k option\n",stderr);
-						error=1;
-						}
-					else
-						{
-						int j;
-
-						i++;
-						strncpy(key,argv[i],KEYSIZB);
-						for (j=strlen(argv[i])-1; j>=0; j--)
-							argv[i][j]='\0';
-						}
-					break;
-				default:
-					fprintf(stderr,"'%c' unknown flag\n",p[-1]);
-					error=1;
-					break;
-					}
-				}
-			}
-		else
-			{
-			if (in == NULL)
-				in=argv[i];
-			else if (out == NULL)
-				out=argv[i];
-			else
-				error=1;
-			}
-		}
-	if (error) usage();
-	/* We either
-	 * do checksum or
-	 * do encrypt or
-	 * do decrypt or
-	 * do decrypt then ckecksum or
-	 * do checksum then encrypt
-	 */
-	if (((eflag+dflag) == 1) || cflag)
-		{
-		if (eflag) do_encrypt=DES_ENCRYPT;
-		if (dflag) do_encrypt=DES_DECRYPT;
-		}
-	else
-		{
-		if (vflag) 
-			{
-#ifndef _Windows			
-			fprintf(stderr,"des(1) built with %s\n",libdes_version);
-#endif			
-			EXIT(1);
-			}
-		else usage();
-		}
-
-#ifndef _Windows			
-	if (vflag) fprintf(stderr,"des(1) built with %s\n",libdes_version);
-#endif			
-	if (	(in != NULL) &&
-		(out != NULL) &&
-#ifndef OPENSSL_SYS_MSDOS
-		(stat(in,&ins) != -1) &&
-		(stat(out,&outs) != -1) &&
-		(ins.st_dev == outs.st_dev) &&
-		(ins.st_ino == outs.st_ino))
-#else /* OPENSSL_SYS_MSDOS */
-		(strcmp(in,out) == 0))
-#endif
-			{
-			fputs("input and output file are the same\n",stderr);
-			EXIT(3);
-			}
-
-	if (!kflag)
-		if (des_read_pw_string(key,KEYSIZB+1,"Enter key:",eflag?VERIFY:0))
-			{
-			fputs("password error\n",stderr);
-			EXIT(2);
-			}
-
-	if (in == NULL)
-		DES_IN=stdin;
-	else if ((DES_IN=fopen(in,"r")) == NULL)
-		{
-		perror("opening input file");
-		EXIT(4);
-		}
-
-	CKSUM_OUT=stdout;
-	if (out == NULL)
-		{
-		DES_OUT=stdout;
-		CKSUM_OUT=stderr;
-		}
-	else if ((DES_OUT=fopen(out,"w")) == NULL)
-		{
-		perror("opening output file");
-		EXIT(5);
-		}
-
-#ifdef OPENSSL_SYS_MSDOS
-	/* This should set the file to binary mode. */
-	{
-#include <fcntl.h>
-	if (!(uflag && dflag))
-		setmode(fileno(DES_IN),O_BINARY);
-	if (!(uflag && eflag))
-		setmode(fileno(DES_OUT),O_BINARY);
-	}
-#endif
-
-	doencryption();
-	fclose(DES_IN);
-	fclose(DES_OUT);
-	EXIT(0);
-	}
-
-void usage(void)
-	{
-	char **u;
-	static const char *Usage[]={
-"des <options> [input-file [output-file]]",
-"options:",
-"-v         : des(1) version number",
-"-e         : encrypt using SunOS compatible user key to DES key conversion.",
-"-E         : encrypt ",
-"-d         : decrypt using SunOS compatible user key to DES key conversion.",
-"-D         : decrypt ",
-"-c[ckname] : generate a cbc_cksum using SunOS compatible user key to",
-"             DES key conversion and output to ckname (stdout default,",
-"             stderr if data being output on stdout).  The checksum is",
-"             generated before encryption and after decryption if used",
-"             in conjunction with -[eEdD].",
-"-C[ckname] : generate a cbc_cksum as for -c but compatible with -[ED].",
-"-k key     : use key 'key'",
-"-h         : the key that is entered will be a hexadecimal number",
-"             that is used directly as the des key",
-"-u[uuname] : input file is uudecoded if -[dD] or output uuencoded data if -[eE]",
-"             (uuname is the filename to put in the uuencode header).",
-"-b         : encrypt using DES in ecb encryption mode, the default is cbc mode.",
-"-3         : encrypt using triple DES encryption.  This uses 2 keys",
-"             generated from the input key.  If the input key is less",
-"             than 8 characters long, this is equivalent to normal",
-"             encryption.  Default is triple cbc, -b makes it triple ecb.",
-NULL
-};
-	for (u=(char **)Usage; *u; u++)
-		{
-		fputs(*u,stderr);
-		fputc('\n',stderr);
-		}
-
-	EXIT(1);
-	}
-
-void doencryption(void)
-	{
-#ifdef _LIBC
-	extern unsigned long time();
-#endif
-
-	register int i;
-	DES_key_schedule ks,ks2;
-	DES_cblock iv,iv2;
-	char *p;
-	int num=0,j,k,l,rem,ll,len,last,ex=0;
-	DES_cblock kk,k2;
-	FILE *O;
-	int Exit=0;
-#ifndef OPENSSL_SYS_MSDOS
-	static unsigned char buf[BUFSIZE+8],obuf[BUFSIZE+8];
-#else
-	static unsigned char *buf=NULL,*obuf=NULL;
-
-	if (buf == NULL)
-		{
-		if (    (( buf=OPENSSL_malloc(BUFSIZE+8)) == NULL) ||
-			((obuf=OPENSSL_malloc(BUFSIZE+8)) == NULL))
-			{
-			fputs("Not enough memory\n",stderr);
-			Exit=10;
-			goto problems;
-			}
-		}
-#endif
-
-	if (hflag)
-		{
-		j=(flag3?16:8);
-		p=key;
-		for (i=0; i<j; i++)
-			{
-			k=0;
-			if ((*p <= '9') && (*p >= '0'))
-				k=(*p-'0')<<4;
-			else if ((*p <= 'f') && (*p >= 'a'))
-				k=(*p-'a'+10)<<4;
-			else if ((*p <= 'F') && (*p >= 'A'))
-				k=(*p-'A'+10)<<4;
-			else
-				{
-				fputs("Bad hex key\n",stderr);
-				Exit=9;
-				goto problems;
-				}
-			p++;
-			if ((*p <= '9') && (*p >= '0'))
-				k|=(*p-'0');
-			else if ((*p <= 'f') && (*p >= 'a'))
-				k|=(*p-'a'+10);
-			else if ((*p <= 'F') && (*p >= 'A'))
-				k|=(*p-'A'+10);
-			else
-				{
-				fputs("Bad hex key\n",stderr);
-				Exit=9;
-				goto problems;
-				}
-			p++;
-			if (i < 8)
-				kk[i]=k;
-			else
-				k2[i-8]=k;
-			}
-		DES_set_key_unchecked(&k2,&ks2);
-		OPENSSL_cleanse(k2,sizeof(k2));
-		}
-	else if (longk || flag3)
-		{
-		if (flag3)
-			{
-			DES_string_to_2keys(key,&kk,&k2);
-			DES_set_key_unchecked(&k2,&ks2);
-			OPENSSL_cleanse(k2,sizeof(k2));
-			}
-		else
-			DES_string_to_key(key,&kk);
-		}
-	else
-		for (i=0; i<KEYSIZ; i++)
-			{
-			l=0;
-			k=key[i];
-			for (j=0; j<8; j++)
-				{
-				if (k&1) l++;
-				k>>=1;
-				}
-			if (l & 1)
-				kk[i]=key[i]&0x7f;
-			else
-				kk[i]=key[i]|0x80;
-			}
-
-	DES_set_key_unchecked(&kk,&ks);
-	OPENSSL_cleanse(key,sizeof(key));
-	OPENSSL_cleanse(kk,sizeof(kk));
-	/* woops - A bug that does not showup under unix :-( */
-	memset(iv,0,sizeof(iv));
-	memset(iv2,0,sizeof(iv2));
-
-	l=1;
-	rem=0;
-	/* first read */
-	if (eflag || (!dflag && cflag))
-		{
-		for (;;)
-			{
-			num=l=fread(&(buf[rem]),1,BUFSIZE,DES_IN);
-			l+=rem;
-			num+=rem;
-			if (l < 0)
-				{
-				perror("read error");
-				Exit=6;
-				goto problems;
-				}
-
-			rem=l%8;
-			len=l-rem;
-			if (feof(DES_IN))
-				{
-				for (i=7-rem; i>0; i--)
-					RAND_pseudo_bytes(buf + l++, 1);
-				buf[l++]=rem;
-				ex=1;
-				len+=rem;
-				}
-			else
-				l-=rem;
-
-			if (cflag)
-				{
-				DES_cbc_cksum(buf,&cksum,
-					(long)len,&ks,&cksum);
-				if (!eflag)
-					{
-					if (feof(DES_IN)) break;
-					else continue;
-					}
-				}
-
-			if (bflag && !flag3)
-				for (i=0; i<l; i+=8)
-					DES_ecb_encrypt(
-						(DES_cblock *)&(buf[i]),
-						(DES_cblock *)&(obuf[i]),
-						&ks,do_encrypt);
-			else if (flag3 && bflag)
-				for (i=0; i<l; i+=8)
-					DES_ecb2_encrypt(
-						(DES_cblock *)&(buf[i]),
-						(DES_cblock *)&(obuf[i]),
-						&ks,&ks2,do_encrypt);
-			else if (flag3 && !bflag)
-				{
-				char tmpbuf[8];
-
-				if (rem) memcpy(tmpbuf,&(buf[l]),
-					(unsigned int)rem);
-				DES_3cbc_encrypt(
-					(DES_cblock *)buf,(DES_cblock *)obuf,
-					(long)l,ks,ks2,&iv,
-					&iv2,do_encrypt);
-				if (rem) memcpy(&(buf[l]),tmpbuf,
-					(unsigned int)rem);
-				}
-			else
-				{
-				DES_cbc_encrypt(
-					buf,obuf,
-					(long)l,&ks,&iv,do_encrypt);
-				if (l >= 8) memcpy(iv,&(obuf[l-8]),8);
-				}
-			if (rem) memcpy(buf,&(buf[l]),(unsigned int)rem);
-
-			i=0;
-			while (i < l)
-				{
-				if (uflag)
-					j=uufwrite(obuf,1,(unsigned int)l-i,
-						DES_OUT);
-				else
-					j=fwrite(obuf,1,(unsigned int)l-i,
-						DES_OUT);
-				if (j == -1)
-					{
-					perror("Write error");
-					Exit=7;
-					goto problems;
-					}
-				i+=j;
-				}
-			if (feof(DES_IN))
-				{
-				if (uflag) uufwriteEnd(DES_OUT);
-				break;
-				}
-			}
-		}
-	else /* decrypt */
-		{
-		ex=1;
-		for (;;)
-			{
-			if (ex) {
-				if (uflag)
-					l=uufread(buf,1,BUFSIZE,DES_IN);
-				else
-					l=fread(buf,1,BUFSIZE,DES_IN);
-				ex=0;
-				rem=l%8;
-				l-=rem;
-				}
-			if (l < 0)
-				{
-				perror("read error");
-				Exit=6;
-				goto problems;
-				}
-
-			if (bflag && !flag3)
-				for (i=0; i<l; i+=8)
-					DES_ecb_encrypt(
-						(DES_cblock *)&(buf[i]),
-						(DES_cblock *)&(obuf[i]),
-						&ks,do_encrypt);
-			else if (flag3 && bflag)
-				for (i=0; i<l; i+=8)
-					DES_ecb2_encrypt(
-						(DES_cblock *)&(buf[i]),
-						(DES_cblock *)&(obuf[i]),
-						&ks,&ks2,do_encrypt);
-			else if (flag3 && !bflag)
-				{
-				DES_3cbc_encrypt(
-					(DES_cblock *)buf,(DES_cblock *)obuf,
-					(long)l,ks,ks2,&iv,
-					&iv2,do_encrypt);
-				}
-			else
-				{
-				DES_cbc_encrypt(
-					buf,obuf,
-				 	(long)l,&ks,&iv,do_encrypt);
-				if (l >= 8) memcpy(iv,&(buf[l-8]),8);
-				}
-
-			if (uflag)
-				ll=uufread(&(buf[rem]),1,BUFSIZE,DES_IN);
-			else
-				ll=fread(&(buf[rem]),1,BUFSIZE,DES_IN);
-			ll+=rem;
-			rem=ll%8;
-			ll-=rem;
-			if (feof(DES_IN) && (ll == 0))
-				{
-				last=obuf[l-1];
-
-				if ((last > 7) || (last < 0))
-					{
-					fputs("The file was not decrypted correctly.\n",
-						stderr);
-					Exit=8;
-					last=0;
-					}
-				l=l-8+last;
-				}
-			i=0;
-			if (cflag) DES_cbc_cksum(obuf,
-				(DES_cblock *)cksum,(long)l/8*8,&ks,
-				(DES_cblock *)cksum);
-			while (i != l)
-				{
-				j=fwrite(obuf,1,(unsigned int)l-i,DES_OUT);
-				if (j == -1)
-					{
-					perror("Write error");
-					Exit=7;
-					goto problems;
-					}
-				i+=j;
-				}
-			l=ll;
-			if ((l == 0) && feof(DES_IN)) break;
-			}
-		}
-	if (cflag)
-		{
-		l=0;
-		if (cksumname[0] != '\0')
-			{
-			if ((O=fopen(cksumname,"w")) != NULL)
-				{
-				CKSUM_OUT=O;
-				l=1;
-				}
-			}
-		for (i=0; i<8; i++)
-			fprintf(CKSUM_OUT,"%02X",cksum[i]);
-		fprintf(CKSUM_OUT,"\n");
-		if (l) fclose(CKSUM_OUT);
-		}
-problems:
-	OPENSSL_cleanse(buf,sizeof(buf));
-	OPENSSL_cleanse(obuf,sizeof(obuf));
-	OPENSSL_cleanse(&ks,sizeof(ks));
-	OPENSSL_cleanse(&ks2,sizeof(ks2));
-	OPENSSL_cleanse(iv,sizeof(iv));
-	OPENSSL_cleanse(iv2,sizeof(iv2));
-	OPENSSL_cleanse(kk,sizeof(kk));
-	OPENSSL_cleanse(k2,sizeof(k2));
-	OPENSSL_cleanse(uubuf,sizeof(uubuf));
-	OPENSSL_cleanse(b,sizeof(b));
-	OPENSSL_cleanse(bb,sizeof(bb));
-	OPENSSL_cleanse(cksum,sizeof(cksum));
-	if (Exit) EXIT(Exit);
-	}
-
-/*    We ignore this parameter but it should be > ~50 I believe    */
-int uufwrite(unsigned char *data, int size, unsigned int num, FILE *fp)
-	{
-	int i,j,left,rem,ret=num;
-	static int start=1;
-
-	if (start)
-		{
-		fprintf(fp,"begin 600 %s\n",
-			(uuname[0] == '\0')?"text.d":uuname);
-		start=0;
-		}
-
-	if (uubufnum)
-		{
-		if (uubufnum+num < 45)
-			{
-			memcpy(&(uubuf[uubufnum]),data,(unsigned int)num);
-			uubufnum+=num;
-			return(num);
-			}
-		else
-			{
-			i=45-uubufnum;
-			memcpy(&(uubuf[uubufnum]),data,(unsigned int)i);
-			j=uuencode((unsigned char *)uubuf,45,b);
-			fwrite(b,1,(unsigned int)j,fp);
-			uubufnum=0;
-			data+=i;
-			num-=i;
-			}
-		}
-
-	for (i=0; i<(((int)num)-INUUBUFN); i+=INUUBUFN)
-		{
-		j=uuencode(&(data[i]),INUUBUFN,b);
-		fwrite(b,1,(unsigned int)j,fp);
-		}
-	rem=(num-i)%45;
-	left=(num-i-rem);
-	if (left)
-		{
-		j=uuencode(&(data[i]),left,b);
-		fwrite(b,1,(unsigned int)j,fp);
-		i+=left;
-		}
-	if (i != num)
-		{
-		memcpy(uubuf,&(data[i]),(unsigned int)rem);
-		uubufnum=rem;
-		}
-	return(ret);
-	}
-
-void uufwriteEnd(FILE *fp)
-	{
-	int j;
-	static const char *end=" \nend\n";
-
-	if (uubufnum != 0)
-		{
-		uubuf[uubufnum]='\0';
-		uubuf[uubufnum+1]='\0';
-		uubuf[uubufnum+2]='\0';
-		j=uuencode(uubuf,uubufnum,b);
-		fwrite(b,1,(unsigned int)j,fp);
-		}
-	fwrite(end,1,strlen(end),fp);
-	}
-
-/* int size:  should always be > ~ 60; I actually ignore this parameter :-)    */
-int uufread(unsigned char *out, int size, unsigned int num, FILE *fp)
-	{
-	int i,j,tot;
-	static int done=0;
-	static int valid=0;
-	static int start=1;
-
-	if (start)
-		{
-		for (;;)
-			{
-			b[0]='\0';
-			fgets((char *)b,300,fp);
-			if (b[0] == '\0')
-				{
-				fprintf(stderr,"no 'begin' found in uuencoded input\n");
-				return(-1);
-				}
-			if (strncmp((char *)b,"begin ",6) == 0) break;
-			}
-		start=0;
-		}
-	if (done) return(0);
-	tot=0;
-	if (valid)
-		{
-		memcpy(out,bb,(unsigned int)valid);
-		tot=valid;
-		valid=0;
-		}
-	for (;;)
-		{
-		b[0]='\0';
-		fgets((char *)b,300,fp);
-		if (b[0] == '\0') break;
-		i=strlen((char *)b);
-		if ((b[0] == 'e') && (b[1] == 'n') && (b[2] == 'd'))
-			{
-			done=1;
-			while (!feof(fp))
-				{
-				fgets((char *)b,300,fp);
-				}
-			break;
-			}
-		i=uudecode(b,i,bb);
-		if (i < 0) break;
-		if ((i+tot+8) > num)
-			{
-			/* num to copy to make it a multiple of 8 */
-			j=(num/8*8)-tot-8;
-			memcpy(&(out[tot]),bb,(unsigned int)j);
-			tot+=j;
-			memcpy(bb,&(bb[j]),(unsigned int)i-j);
-			valid=i-j;
-			break;
-			}
-		memcpy(&(out[tot]),bb,(unsigned int)i);
-		tot+=i;
-		}
-	return(tot);
-	}
-
-#define ccc2l(c,l)      (l =((DES_LONG)(*((c)++)))<<16, \
-			 l|=((DES_LONG)(*((c)++)))<< 8, \
-		 	 l|=((DES_LONG)(*((c)++))))
-
-#define l2ccc(l,c)      (*((c)++)=(unsigned char)(((l)>>16)&0xff), \
-                    *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
-                    *((c)++)=(unsigned char)(((l)    )&0xff))
-
-
-int uuencode(unsigned char *in, int num, unsigned char *out)
-	{
-	int j,i,n,tot=0;
-	DES_LONG l;
-	register unsigned char *p;
-	p=out;
-
-	for (j=0; j<num; j+=45)
-		{
-		if (j+45 > num)
-			i=(num-j);
-		else	i=45;
-		*(p++)=i+' ';
-		for (n=0; n<i; n+=3)
-			{
-			ccc2l(in,l);
-			*(p++)=((l>>18)&0x3f)+' ';
-			*(p++)=((l>>12)&0x3f)+' ';
-			*(p++)=((l>> 6)&0x3f)+' ';
-			*(p++)=((l    )&0x3f)+' ';
-			tot+=4;
-			}
-		*(p++)='\n';
-		tot+=2;
-		}
-	*p='\0';
-	l=0;
-	return(tot);
-	}
-
-int uudecode(unsigned char *in, int num, unsigned char *out)
-	{
-	int j,i,k;
-	unsigned int n=0,space=0;
-	DES_LONG l;
-	DES_LONG w,x,y,z;
-	unsigned int blank=(unsigned int)'\n'-' ';
-
-	for (j=0; j<num; )
-		{
-		n= *(in++)-' ';
-		if (n == blank)
-			{
-			n=0;
-			in--;
-			}
-		if (n > 60)
-			{
-			fprintf(stderr,"uuencoded line length too long\n");
-			return(-1);
-			}
-		j++;
-
-		for (i=0; i<n; j+=4,i+=3)
-			{
-			/* the following is for cases where spaces are
-			 * removed from lines.
-			 */
-			if (space)
-				{
-				w=x=y=z=0;
-				}
-			else
-				{
-				w= *(in++)-' ';
-				x= *(in++)-' ';
-				y= *(in++)-' ';
-				z= *(in++)-' ';
-				}
-			if ((w > 63) || (x > 63) || (y > 63) || (z > 63))
-				{
-				k=0;
-				if (w == blank) k=1;
-				if (x == blank) k=2;
-				if (y == blank) k=3;
-				if (z == blank) k=4;
-				space=1;
-				switch (k) {
-				case 1:	w=0; in--;
-				case 2: x=0; in--;
-				case 3: y=0; in--;
-				case 4: z=0; in--;
-					break;
-				case 0:
-					space=0;
-					fprintf(stderr,"bad uuencoded data values\n");
-					w=x=y=z=0;
-					return(-1);
-					break;
-					}
-				}
-			l=(w<<18)|(x<<12)|(y<< 6)|(z    );
-			l2ccc(l,out);
-			}
-		if (*(in++) != '\n')
-			{
-			fprintf(stderr,"missing nl in uuencoded line\n");
-			w=x=y=z=0;
-			return(-1);
-			}
-		j++;
-		}
-	*out='\0';
-	w=x=y=z=0;
-	return(n);
-	}