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.]
62 #include <openssl/opensslconf.h>
63 #ifndef OPENSSL_SYS_MSDOS
64 # ifndef OPENSSL_SYS_VMS
65 # include OPENSSL_UNISTD
66 # else /* OPENSSL_SYS_VMS */
69 # else /* not __DECC */
72 # endif /* OPENSSL_SYS_VMS */
73 #else /* OPENSSL_SYS_MSDOS */
80 #ifdef OPENSSL_SYS_VMS
85 # include <sys/types.h>
87 # include <sys/stat.h>
89 #include <openssl/des.h>
90 #include <openssl/rand.h>
91 #include <openssl/ui_compat.h>
94 void doencryption(void);
95 int uufwrite(unsigned char *data, int size, unsigned int num, FILE *fp);
96 void uufwriteEnd(FILE *fp);
97 int uufread(unsigned char *out, int size, unsigned int num, FILE *fp);
98 int uuencode(unsigned char *in, int num, unsigned char *out);
99 int uudecode(unsigned char *in, int num, unsigned char *out);
100 void DES_3cbc_encrypt(DES_cblock *input, DES_cblock *output, long length,
101 DES_key_schedule sk1, DES_key_schedule sk2,
102 DES_cblock *ivec1, DES_cblock *ivec2, int enc);
103 #ifdef OPENSSL_SYS_VMS
104 # define EXIT(a) exit(a&0x10000000L)
106 # define EXIT(a) exit(a)
109 #define BUFSIZE (8*1024)
112 #define KEYSIZB 1024 /* should hit tty line limit first :-) */
113 char key[KEYSIZB + 1];
114 int do_encrypt, longk = 0;
115 FILE *DES_IN, *DES_OUT, *CKSUM_OUT;
117 unsigned char uubuf[50];
119 #define INUUBUFN (45*100)
120 #define OUTUUBUF (65*100)
121 unsigned char b[OUTUUBUF];
122 unsigned char bb[300];
123 DES_cblock cksum = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
125 char cksumname[200] = "";
127 int vflag, cflag, eflag, dflag, kflag, bflag, fflag, sflag, uflag, flag3,
130 int main(int argc, char **argv)
133 struct stat ins, outs;
135 char *in = NULL, *out = NULL;
137 vflag = cflag = eflag = dflag = kflag = hflag = bflag = fflag = sflag =
140 memset(key, 0, sizeof(key));
142 for (i = 1; i < argc; i++) {
144 if ((p[0] == '-') && (p[1] != '\0')) {
154 strncpy(cksumname, p, 200);
155 cksumname[sizeof(cksumname) - 1] = '\0';
156 p += strlen(cksumname);
161 strncpy(cksumname, p, 200);
162 cksumname[sizeof(cksumname) - 1] = '\0';
163 p += strlen(cksumname);
193 strncpy(uuname, p, 200);
194 uuname[sizeof(uuname) - 1] = '\0';
202 if ((i + 1) == argc) {
203 fputs("must have a key with the -k option\n", stderr);
209 strncpy(key, argv[i], KEYSIZB);
210 for (j = strlen(argv[i]) - 1; j >= 0; j--)
215 fprintf(stderr, "'%c' unknown flag\n", p[-1]);
223 else if (out == NULL)
236 * do decrypt then ckecksum or
237 * do checksum then encrypt
239 if (((eflag + dflag) == 1) || cflag) {
241 do_encrypt = DES_ENCRYPT;
243 do_encrypt = DES_DECRYPT;
247 fprintf(stderr, "des(1) built with %s\n", libdes_version);
256 fprintf(stderr, "des(1) built with %s\n", libdes_version);
258 if ((in != NULL) && (out != NULL) &&
259 #ifndef OPENSSL_SYS_MSDOS
260 (stat(in, &ins) != -1) &&
261 (stat(out, &outs) != -1) &&
262 (ins.st_dev == outs.st_dev) && (ins.st_ino == outs.st_ino))
263 #else /* OPENSSL_SYS_MSDOS */
264 (strcmp(in, out) == 0))
267 fputs("input and output file are the same\n", stderr);
272 if (des_read_pw_string
273 (key, KEYSIZB + 1, "Enter key:", eflag ? VERIFY : 0)) {
274 fputs("password error\n", stderr);
280 else if ((DES_IN = fopen(in, "r")) == NULL) {
281 perror("opening input file");
289 } else if ((DES_OUT = fopen(out, "w")) == NULL) {
290 perror("opening output file");
293 #ifdef OPENSSL_SYS_MSDOS
294 /* This should set the file to binary mode. */
297 if (!(uflag && dflag))
298 setmode(fileno(DES_IN), O_BINARY);
299 if (!(uflag && eflag))
300 setmode(fileno(DES_OUT), O_BINARY);
313 static const char *Usage[] = {
314 "des <options> [input-file [output-file]]",
316 "-v : des(1) version number",
317 "-e : encrypt using SunOS compatible user key to DES key conversion.",
319 "-d : decrypt using SunOS compatible user key to DES key conversion.",
321 "-c[ckname] : generate a cbc_cksum using SunOS compatible user key to",
322 " DES key conversion and output to ckname (stdout default,",
323 " stderr if data being output on stdout). The checksum is",
324 " generated before encryption and after decryption if used",
325 " in conjunction with -[eEdD].",
326 "-C[ckname] : generate a cbc_cksum as for -c but compatible with -[ED].",
327 "-k key : use key 'key'",
328 "-h : the key that is entered will be a hexadecimal number",
329 " that is used directly as the des key",
330 "-u[uuname] : input file is uudecoded if -[dD] or output uuencoded data if -[eE]",
331 " (uuname is the filename to put in the uuencode header).",
332 "-b : encrypt using DES in ecb encryption mode, the default is cbc mode.",
333 "-3 : encrypt using triple DES encryption. This uses 2 keys",
334 " generated from the input key. If the input key is less",
335 " than 8 characters long, this is equivalent to normal",
336 " encryption. Default is triple cbc, -b makes it triple ecb.",
339 for (u = (char **)Usage; *u; u++) {
347 void doencryption(void)
350 extern unsigned long time();
354 DES_key_schedule ks, ks2;
357 int num = 0, j, k, l, rem, ll, len, last, ex = 0;
361 #ifndef OPENSSL_SYS_MSDOS
362 static unsigned char buf[BUFSIZE + 8], obuf[BUFSIZE + 8];
364 static unsigned char *buf = NULL, *obuf = NULL;
367 if (((buf = OPENSSL_malloc(BUFSIZE + 8)) == NULL) ||
368 ((obuf = OPENSSL_malloc(BUFSIZE + 8)) == NULL)) {
369 fputs("Not enough memory\n", stderr);
377 j = (flag3 ? 16 : 8);
379 for (i = 0; i < j; i++) {
381 if ((*p <= '9') && (*p >= '0'))
383 else if ((*p <= 'f') && (*p >= 'a'))
384 k = (*p - 'a' + 10) << 4;
385 else if ((*p <= 'F') && (*p >= 'A'))
386 k = (*p - 'A' + 10) << 4;
388 fputs("Bad hex key\n", stderr);
393 if ((*p <= '9') && (*p >= '0'))
395 else if ((*p <= 'f') && (*p >= 'a'))
396 k |= (*p - 'a' + 10);
397 else if ((*p <= 'F') && (*p >= 'A'))
398 k |= (*p - 'A' + 10);
400 fputs("Bad hex key\n", stderr);
410 DES_set_key_unchecked(&k2, &ks2);
411 OPENSSL_cleanse(k2, sizeof(k2));
412 } else if (longk || flag3) {
414 DES_string_to_2keys(key, &kk, &k2);
415 DES_set_key_unchecked(&k2, &ks2);
416 OPENSSL_cleanse(k2, sizeof(k2));
418 DES_string_to_key(key, &kk);
420 for (i = 0; i < KEYSIZ; i++) {
423 for (j = 0; j < 8; j++) {
429 kk[i] = key[i] & 0x7f;
431 kk[i] = key[i] | 0x80;
434 DES_set_key_unchecked(&kk, &ks);
435 OPENSSL_cleanse(key, sizeof(key));
436 OPENSSL_cleanse(kk, sizeof(kk));
437 /* woops - A bug that does not showup under unix :-( */
438 memset(iv, 0, sizeof(iv));
439 memset(iv2, 0, sizeof(iv2));
444 if (eflag || (!dflag && cflag)) {
446 num = l = fread(&(buf[rem]), 1, BUFSIZE, DES_IN);
450 perror("read error");
458 for (i = 7 - rem; i > 0; i--) {
459 if (RAND_bytes(buf + l++, 1) <= 0)
469 DES_cbc_cksum(buf, &cksum, (long)len, &ks, &cksum);
479 for (i = 0; i < l; i += 8)
480 DES_ecb_encrypt((DES_cblock *)&(buf[i]),
481 (DES_cblock *)&(obuf[i]),
483 else if (flag3 && bflag)
484 for (i = 0; i < l; i += 8)
485 DES_ecb2_encrypt((DES_cblock *)&(buf[i]),
486 (DES_cblock *)&(obuf[i]),
487 &ks, &ks2, do_encrypt);
488 else if (flag3 && !bflag) {
492 memcpy(tmpbuf, &(buf[l]), (unsigned int)rem);
493 DES_3cbc_encrypt((DES_cblock *)buf, (DES_cblock *)obuf,
494 (long)l, ks, ks2, &iv, &iv2, do_encrypt);
496 memcpy(&(buf[l]), tmpbuf, (unsigned int)rem);
498 DES_cbc_encrypt(buf, obuf, (long)l, &ks, &iv, do_encrypt);
500 memcpy(iv, &(obuf[l - 8]), 8);
503 memcpy(buf, &(buf[l]), (unsigned int)rem);
508 j = uufwrite(obuf, 1, (unsigned int)l - i, DES_OUT);
510 j = fwrite(obuf, 1, (unsigned int)l - i, DES_OUT);
512 perror("Write error");
520 uufwriteEnd(DES_OUT);
524 } else { /* decrypt */
530 l = uufread(buf, 1, BUFSIZE, DES_IN);
532 l = fread(buf, 1, BUFSIZE, DES_IN);
538 perror("read error");
544 for (i = 0; i < l; i += 8)
545 DES_ecb_encrypt((DES_cblock *)&(buf[i]),
546 (DES_cblock *)&(obuf[i]),
548 else if (flag3 && bflag)
549 for (i = 0; i < l; i += 8)
550 DES_ecb2_encrypt((DES_cblock *)&(buf[i]),
551 (DES_cblock *)&(obuf[i]),
552 &ks, &ks2, do_encrypt);
553 else if (flag3 && !bflag) {
554 DES_3cbc_encrypt((DES_cblock *)buf, (DES_cblock *)obuf,
555 (long)l, ks, ks2, &iv, &iv2, do_encrypt);
557 DES_cbc_encrypt(buf, obuf, (long)l, &ks, &iv, do_encrypt);
559 memcpy(iv, &(buf[l - 8]), 8);
563 ll = uufread(&(buf[rem]), 1, BUFSIZE, DES_IN);
565 ll = fread(&(buf[rem]), 1, BUFSIZE, DES_IN);
569 if (feof(DES_IN) && (ll == 0)) {
572 if ((last > 7) || (last < 0)) {
573 fputs("The file was not decrypted correctly.\n", stderr);
582 (DES_cblock *)cksum, (long)l / 8 * 8, &ks,
583 (DES_cblock *)cksum);
585 j = fwrite(obuf, 1, (unsigned int)l - i, DES_OUT);
587 perror("Write error");
594 if ((l == 0) && feof(DES_IN))
600 if (cksumname[0] != '\0') {
601 if ((O = fopen(cksumname, "w")) != NULL) {
606 for (i = 0; i < 8; i++)
607 fprintf(CKSUM_OUT, "%02X", cksum[i]);
608 fprintf(CKSUM_OUT, "\n");
613 OPENSSL_cleanse(buf, sizeof(buf));
614 OPENSSL_cleanse(obuf, sizeof(obuf));
615 OPENSSL_cleanse(&ks, sizeof(ks));
616 OPENSSL_cleanse(&ks2, sizeof(ks2));
617 OPENSSL_cleanse(iv, sizeof(iv));
618 OPENSSL_cleanse(iv2, sizeof(iv2));
619 OPENSSL_cleanse(kk, sizeof(kk));
620 OPENSSL_cleanse(k2, sizeof(k2));
621 OPENSSL_cleanse(uubuf, sizeof(uubuf));
622 OPENSSL_cleanse(b, sizeof(b));
623 OPENSSL_cleanse(bb, sizeof(bb));
624 OPENSSL_cleanse(cksum, sizeof(cksum));
629 /* We ignore this parameter but it should be > ~50 I believe */
630 int uufwrite(unsigned char *data, int size, unsigned int num, FILE *fp)
632 int i, j, left, rem, ret = num;
633 static int start = 1;
636 fprintf(fp, "begin 600 %s\n",
637 (uuname[0] == '\0') ? "text.d" : uuname);
642 if (uubufnum + num < 45) {
643 memcpy(&(uubuf[uubufnum]), data, (unsigned int)num);
648 memcpy(&(uubuf[uubufnum]), data, (unsigned int)i);
649 j = uuencode((unsigned char *)uubuf, 45, b);
650 fwrite(b, 1, (unsigned int)j, fp);
657 for (i = 0; i < (((int)num) - INUUBUFN); i += INUUBUFN) {
658 j = uuencode(&(data[i]), INUUBUFN, b);
659 fwrite(b, 1, (unsigned int)j, fp);
661 rem = (num - i) % 45;
662 left = (num - i - rem);
664 j = uuencode(&(data[i]), left, b);
665 fwrite(b, 1, (unsigned int)j, fp);
669 memcpy(uubuf, &(data[i]), (unsigned int)rem);
675 void uufwriteEnd(FILE *fp)
678 static const char *end = " \nend\n";
681 uubuf[uubufnum] = '\0';
682 uubuf[uubufnum + 1] = '\0';
683 uubuf[uubufnum + 2] = '\0';
684 j = uuencode(uubuf, uubufnum, b);
685 fwrite(b, 1, (unsigned int)j, fp);
687 fwrite(end, 1, strlen(end), fp);
691 * int size: should always be > ~ 60; I actually ignore this parameter :-)
693 int uufread(unsigned char *out, int size, unsigned int num, FILE *fp)
697 static int valid = 0;
698 static int start = 1;
703 fgets((char *)b, 300, fp);
705 fprintf(stderr, "no 'begin' found in uuencoded input\n");
708 if (strncmp((char *)b, "begin ", 6) == 0)
717 memcpy(out, bb, (unsigned int)valid);
723 fgets((char *)b, 300, fp);
726 i = strlen((char *)b);
727 if ((b[0] == 'e') && (b[1] == 'n') && (b[2] == 'd')) {
730 fgets((char *)b, 300, fp);
734 i = uudecode(b, i, bb);
737 if ((i + tot + 8) > num) {
738 /* num to copy to make it a multiple of 8 */
739 j = (num / 8 * 8) - tot - 8;
740 memcpy(&(out[tot]), bb, (unsigned int)j);
742 memcpy(bb, &(bb[j]), (unsigned int)i - j);
746 memcpy(&(out[tot]), bb, (unsigned int)i);
752 #define ccc2l(c,l) (l =((DES_LONG)(*((c)++)))<<16, \
753 l|=((DES_LONG)(*((c)++)))<< 8, \
754 l|=((DES_LONG)(*((c)++))))
756 #define l2ccc(l,c) (*((c)++)=(unsigned char)(((l)>>16)&0xff), \
757 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
758 *((c)++)=(unsigned char)(((l) )&0xff))
760 int uuencode(unsigned char *in, int num, unsigned char *out)
762 int j, i, n, tot = 0;
764 register unsigned char *p;
767 for (j = 0; j < num; j += 45) {
773 for (n = 0; n < i; n += 3) {
775 *(p++) = ((l >> 18) & 0x3f) + ' ';
776 *(p++) = ((l >> 12) & 0x3f) + ' ';
777 *(p++) = ((l >> 6) & 0x3f) + ' ';
778 *(p++) = ((l) & 0x3f) + ' ';
789 int uudecode(unsigned char *in, int num, unsigned char *out)
792 unsigned int n = 0, space = 0;
795 unsigned int blank = (unsigned int)'\n' - ' ';
797 for (j = 0; j < num;) {
804 fprintf(stderr, "uuencoded line length too long\n");
809 for (i = 0; i < n; j += 4, i += 3) {
811 * the following is for cases where spaces are removed from
822 if ((w > 63) || (x > 63) || (y > 63) || (z > 63)) {
849 fprintf(stderr, "bad uuencoded data values\n");
855 l = (w << 18) | (x << 12) | (y << 6) | (z);
858 if (*(in++) != '\n') {
859 fprintf(stderr, "missing nl in uuencoded line\n");