2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
67 #if __CRTL_VER < 70000000
70 #else /* not __DECC */
88 #include <sys/types.h>
92 #include <openssl/des.h>
94 #if defined(__STDC__) || defined(VMS) || defined(M_XENIX) || defined(MSDOS)
100 #define srandom(s) srand(s)
104 void doencryption(void);
105 int uufwrite(unsigned char *data, int size, unsigned int num, FILE *fp);
106 void uufwriteEnd(FILE *fp);
107 int uufread(unsigned char *out,int size,unsigned int num,FILE *fp);
108 int uuencode(unsigned char *in,int num,unsigned char *out);
109 int uudecode(unsigned char *in,int num,unsigned char *out);
110 void des_3cbc_encrypt(des_cblock *input,des_cblock *output,long length,
111 des_key_schedule sk1,des_key_schedule sk2,
112 des_cblock *ivec1,des_cblock *ivec2,int enc);
114 #define EXIT(a) exit(a&0x10000000L)
116 #define EXIT(a) exit(a)
119 #define BUFSIZE (8*1024)
122 #define KEYSIZB 1024 /* should hit tty line limit first :-) */
124 int do_encrypt,longk=0;
125 FILE *DES_IN,*DES_OUT,*CKSUM_OUT;
127 unsigned char uubuf[50];
129 #define INUUBUFN (45*100)
130 #define OUTUUBUF (65*100)
131 unsigned char b[OUTUUBUF];
132 unsigned char bb[300];
133 des_cblock cksum={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
134 char cksumname[200]="";
136 int vflag,cflag,eflag,dflag,kflag,bflag,fflag,sflag,uflag,flag3,hflag,error;
138 int main(int argc, char **argv)
141 struct stat ins,outs;
143 char *in=NULL,*out=NULL;
145 vflag=cflag=eflag=dflag=kflag=hflag=bflag=fflag=sflag=uflag=flag3=0;
147 memset(key,0,sizeof(key));
149 for (i=1; i<argc; i++)
152 if ((p[0] == '-') && (p[1] != '\0'))
165 strncpy(cksumname,p,200);
166 p+=strlen(cksumname);
171 strncpy(cksumname,p,200);
172 p+=strlen(cksumname);
202 strncpy(uuname,p,200);
212 fputs("must have a key with the -k option\n",stderr);
220 strncpy(key,argv[i],KEYSIZB);
221 for (j=strlen(argv[i])-1; j>=0; j--)
226 fprintf(stderr,"'%c' unknown flag\n",p[-1]);
236 else if (out == NULL)
247 * do decrypt then ckecksum or
248 * do checksum then encrypt
250 if (((eflag+dflag) == 1) || cflag)
252 if (eflag) do_encrypt=DES_ENCRYPT;
253 if (dflag) do_encrypt=DES_DECRYPT;
260 fprintf(stderr,"des(1) built with %s\n",libdes_version);
268 if (vflag) fprintf(stderr,"des(1) built with %s\n",libdes_version);
273 (stat(in,&ins) != -1) &&
274 (stat(out,&outs) != -1) &&
275 (ins.st_dev == outs.st_dev) &&
276 (ins.st_ino == outs.st_ino))
278 (strcmp(in,out) == 0))
281 fputs("input and output file are the same\n",stderr);
286 if (des_read_pw_string(key,KEYSIZB+1,"Enter key:",eflag?VERIFY:0))
288 fputs("password error\n",stderr);
294 else if ((DES_IN=fopen(in,"r")) == NULL)
296 perror("opening input file");
306 else if ((DES_OUT=fopen(out,"w")) == NULL)
308 perror("opening output file");
313 /* This should set the file to binary mode. */
316 if (!(uflag && dflag))
317 setmode(fileno(DES_IN),O_BINARY);
318 if (!(uflag && eflag))
319 setmode(fileno(DES_OUT),O_BINARY);
332 static const char *Usage[]={
333 "des <options> [input-file [output-file]]",
335 "-v : des(1) version number",
336 "-e : encrypt using sunOS compatible user key to DES key conversion.",
338 "-d : decrypt using sunOS compatible user key to DES key conversion.",
340 "-c[ckname] : generate a cbc_cksum using sunOS compatible user key to",
341 " DES key conversion and output to ckname (stdout default,",
342 " stderr if data being output on stdout). The checksum is",
343 " generated before encryption and after decryption if used",
344 " in conjunction with -[eEdD].",
345 "-C[ckname] : generate a cbc_cksum as for -c but compatible with -[ED].",
346 "-k key : use key 'key'",
347 "-h : the key that is entered will be a hexidecimal number",
348 " that is used directly as the des key",
349 "-u[uuname] : input file is uudecoded if -[dD] or output uuencoded data if -[eE]",
350 " (uuname is the filename to put in the uuencode header).",
351 "-b : encrypt using DES in ecb encryption mode, the defaut is cbc mode.",
352 "-3 : encrypt using tripple DES encryption. This uses 2 keys",
353 " generated from the input key. If the input key is less",
354 " than 8 characters long, this is equivelent to normal",
355 " encryption. Default is triple cbc, -b makes it triple ecb.",
358 for (u=(char **)Usage; *u; u++)
367 void doencryption(void)
370 extern int srandom();
372 extern unsigned long time();
376 des_key_schedule ks,ks2;
377 unsigned char iv[8],iv2[8];
379 int num=0,j,k,l,rem,ll,len,last,ex=0;
384 static unsigned char buf[BUFSIZE+8],obuf[BUFSIZE+8];
386 static unsigned char *buf=NULL,*obuf=NULL;
390 if ( (( buf=(unsigned char *)Malloc(BUFSIZE+8)) == NULL) ||
391 ((obuf=(unsigned char *)Malloc(BUFSIZE+8)) == NULL))
393 fputs("Not enough memory\n",stderr);
407 if ((*p <= '9') && (*p >= '0'))
409 else if ((*p <= 'f') && (*p >= 'a'))
411 else if ((*p <= 'F') && (*p >= 'A'))
415 fputs("Bad hex key\n",stderr);
420 if ((*p <= '9') && (*p >= '0'))
422 else if ((*p <= 'f') && (*p >= 'a'))
424 else if ((*p <= 'F') && (*p >= 'A'))
428 fputs("Bad hex key\n",stderr);
438 des_set_key((C_Block *)k2,ks2);
439 memset(k2,0,sizeof(k2));
441 else if (longk || flag3)
445 des_string_to_2keys(key,(C_Block *)kk,(C_Block *)k2);
446 des_set_key((C_Block *)k2,ks2);
447 memset(k2,0,sizeof(k2));
450 des_string_to_key(key,(C_Block *)kk);
453 for (i=0; i<KEYSIZ; i++)
468 des_set_key((C_Block *)kk,ks);
469 memset(key,0,sizeof(key));
470 memset(kk,0,sizeof(kk));
471 /* woops - A bug that does not showup under unix :-( */
472 memset(iv,0,sizeof(iv));
473 memset(iv2,0,sizeof(iv2));
478 if (eflag || (!dflag && cflag))
482 num=l=fread(&(buf[rem]),1,BUFSIZE,DES_IN);
487 perror("read error");
496 srandom((unsigned int)time(NULL));
497 for (i=7-rem; i>0; i--)
498 buf[l++]=random()&0xff;
508 des_cbc_cksum((C_Block *)buf,(C_Block *)cksum,
509 (long)len,ks,(C_Block *)cksum);
512 if (feof(DES_IN)) break;
520 (des_cblock *)&(buf[i]),
521 (des_cblock *)&(obuf[i]),
523 else if (flag3 && bflag)
526 (des_cblock *)&(buf[i]),
527 (des_cblock *)&(obuf[i]),
529 else if (flag3 && !bflag)
533 if (rem) memcpy(tmpbuf,&(buf[l]),
536 (des_cblock *)buf,(des_cblock *)obuf,
537 (long)l,ks,ks2,(des_cblock *)iv,
538 (des_cblock *)iv2,do_encrypt);
539 if (rem) memcpy(&(buf[l]),tmpbuf,
545 (des_cblock *)buf,(des_cblock *)obuf,
546 (long)l,ks,(des_cblock *)iv,do_encrypt);
547 if (l >= 8) memcpy(iv,&(obuf[l-8]),8);
549 if (rem) memcpy(buf,&(buf[l]),(unsigned int)rem);
555 j=uufwrite(obuf,1,(unsigned int)l-i,
558 j=fwrite(obuf,1,(unsigned int)l-i,
562 perror("Write error");
570 if (uflag) uufwriteEnd(DES_OUT);
582 l=uufread(buf,1,BUFSIZE,DES_IN);
584 l=fread(buf,1,BUFSIZE,DES_IN);
591 perror("read error");
599 (des_cblock *)&(buf[i]),
600 (des_cblock *)&(obuf[i]),
602 else if (flag3 && bflag)
605 (des_cblock *)&(buf[i]),
606 (des_cblock *)&(obuf[i]),
608 else if (flag3 && !bflag)
611 (des_cblock *)buf,(des_cblock *)obuf,
612 (long)l,ks,ks2,(des_cblock *)iv,
613 (des_cblock *)iv2,do_encrypt);
618 (des_cblock *)buf,(des_cblock *)obuf,
619 (long)l,ks,(des_cblock *)iv,do_encrypt);
620 if (l >= 8) memcpy(iv,&(buf[l-8]),8);
624 ll=uufread(&(buf[rem]),1,BUFSIZE,DES_IN);
626 ll=fread(&(buf[rem]),1,BUFSIZE,DES_IN);
630 if (feof(DES_IN) && (ll == 0))
634 if ((last > 7) || (last < 0))
636 fputs("The file was not decrypted correctly.\n",
644 if (cflag) des_cbc_cksum((C_Block *)obuf,
645 (C_Block *)cksum,(long)l/8*8,ks,
649 j=fwrite(obuf,1,(unsigned int)l-i,DES_OUT);
652 perror("Write error");
659 if ((l == 0) && feof(DES_IN)) break;
665 if (cksumname[0] != '\0')
667 if ((O=fopen(cksumname,"w")) != NULL)
674 fprintf(CKSUM_OUT,"%02X",cksum[i]);
675 fprintf(CKSUM_OUT,"\n");
676 if (l) fclose(CKSUM_OUT);
679 memset(buf,0,sizeof(buf));
680 memset(obuf,0,sizeof(obuf));
681 memset(ks,0,sizeof(ks));
682 memset(ks2,0,sizeof(ks2));
683 memset(iv,0,sizeof(iv));
684 memset(iv2,0,sizeof(iv2));
685 memset(kk,0,sizeof(kk));
686 memset(k2,0,sizeof(k2));
687 memset(uubuf,0,sizeof(uubuf));
688 memset(b,0,sizeof(b));
689 memset(bb,0,sizeof(bb));
690 memset(cksum,0,sizeof(cksum));
691 if (Exit) EXIT(Exit);
694 /* We ignore this parameter but it should be > ~50 I believe */
695 int uufwrite(unsigned char *data, int size, unsigned int num, FILE *fp)
697 int i,j,left,rem,ret=num;
702 fprintf(fp,"begin 600 %s\n",
703 (uuname[0] == '\0')?"text.d":uuname);
709 if (uubufnum+num < 45)
711 memcpy(&(uubuf[uubufnum]),data,(unsigned int)num);
718 memcpy(&(uubuf[uubufnum]),data,(unsigned int)i);
719 j=uuencode((unsigned char *)uubuf,45,b);
720 fwrite(b,1,(unsigned int)j,fp);
727 for (i=0; i<(((int)num)-INUUBUFN); i+=INUUBUFN)
729 j=uuencode(&(data[i]),INUUBUFN,b);
730 fwrite(b,1,(unsigned int)j,fp);
736 j=uuencode(&(data[i]),left,b);
737 fwrite(b,1,(unsigned int)j,fp);
742 memcpy(uubuf,&(data[i]),(unsigned int)rem);
748 void uufwriteEnd(FILE *fp)
751 static const char *end=" \nend\n";
755 uubuf[uubufnum]='\0';
756 uubuf[uubufnum+1]='\0';
757 uubuf[uubufnum+2]='\0';
758 j=uuencode(uubuf,uubufnum,b);
759 fwrite(b,1,(unsigned int)j,fp);
761 fwrite(end,1,strlen(end),fp);
764 /* int size: should always be > ~ 60; I actually ignore this parameter :-) */
765 int uufread(unsigned char *out, int size, unsigned int num, FILE *fp)
777 fgets((char *)b,300,fp);
780 fprintf(stderr,"no 'begin' found in uuencoded input\n");
783 if (strncmp((char *)b,"begin ",6) == 0) break;
791 memcpy(out,bb,(unsigned int)valid);
798 fgets((char *)b,300,fp);
799 if (b[0] == '\0') break;
801 if ((b[0] == 'e') && (b[1] == 'n') && (b[2] == 'd'))
806 fgets((char *)b,300,fp);
814 /* num to copy to make it a multiple of 8 */
816 memcpy(&(out[tot]),bb,(unsigned int)j);
818 memcpy(bb,&(bb[j]),(unsigned int)i-j);
822 memcpy(&(out[tot]),bb,(unsigned int)i);
828 #define ccc2l(c,l) (l =((DES_LONG)(*((c)++)))<<16, \
829 l|=((DES_LONG)(*((c)++)))<< 8, \
830 l|=((DES_LONG)(*((c)++))))
832 #define l2ccc(l,c) (*((c)++)=(unsigned char)(((l)>>16)&0xff), \
833 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
834 *((c)++)=(unsigned char)(((l) )&0xff))
837 int uuencode(unsigned char *in, int num, unsigned char *out)
841 register unsigned char *p;
844 for (j=0; j<num; j+=45)
853 *(p++)=((l>>18)&0x3f)+' ';
854 *(p++)=((l>>12)&0x3f)+' ';
855 *(p++)=((l>> 6)&0x3f)+' ';
856 *(p++)=((l )&0x3f)+' ';
867 int uudecode(unsigned char *in, int num, unsigned char *out)
870 unsigned int n=0,space=0;
873 unsigned int blank=(unsigned int)'\n'-' ';
885 fprintf(stderr,"uuencoded line length too long\n");
890 for (i=0; i<n; j+=4,i+=3)
892 /* the following is for cases where spaces are
893 * removed from lines.
906 if ((w > 63) || (x > 63) || (y > 63) || (z > 63))
922 fprintf(stderr,"bad uuencoded data values\n");
928 l=(w<<18)|(x<<12)|(y<< 6)|(z );
933 fprintf(stderr,"missing nl in uuencoded line\n");