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d02b48c6 | 1 | /* apps/enc.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
3 | * All rights reserved. |
4 | * | |
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. | |
8 | * | |
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). | |
15 | * | |
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. | |
22 | * | |
23 | * Redistribution and use in source and binary forms, with or without | |
24 | * modification, are permitted provided that the following conditions | |
25 | * are met: | |
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)" | |
40 | * | |
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 | |
51 | * SUCH DAMAGE. | |
52 | * | |
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.] | |
57 | */ | |
58 | ||
59 | #include <stdio.h> | |
60 | #include <stdlib.h> | |
61 | #include <string.h> | |
62 | #include "apps.h" | |
ec577822 BM |
63 | #include <openssl/bio.h> |
64 | #include <openssl/err.h> | |
65 | #include <openssl/evp.h> | |
66 | #include <openssl/objects.h> | |
67 | #include <openssl/x509.h> | |
fd699ac5 | 68 | #include <openssl/rand.h> |
cf1b7d96 | 69 | #ifndef OPENSSL_NO_MD5 |
ec577822 | 70 | #include <openssl/md5.h> |
d02b48c6 | 71 | #endif |
ec577822 | 72 | #include <openssl/pem.h> |
5270e702 | 73 | #include <openssl/engine.h> |
646d5695 | 74 | #include <ctype.h> |
d02b48c6 | 75 | |
d02b48c6 | 76 | int set_hex(char *in,unsigned char *out,int size); |
d02b48c6 RE |
77 | #undef SIZE |
78 | #undef BSIZE | |
79 | #undef PROG | |
80 | ||
81 | #define SIZE (512) | |
82 | #define BSIZE (8*1024) | |
83 | #define PROG enc_main | |
84 | ||
646d5695 BL |
85 | void show_ciphers(const OBJ_NAME *name,void *bio_) |
86 | { | |
87 | BIO *bio=bio_; | |
88 | static int n; | |
89 | ||
a87e50a9 | 90 | if(!islower((unsigned char)*name->name)) |
646d5695 BL |
91 | return; |
92 | ||
93 | BIO_printf(bio,"-%-25s",name->name); | |
94 | if(++n == 3) | |
95 | { | |
96 | BIO_printf(bio,"\n"); | |
97 | n=0; | |
98 | } | |
99 | else | |
100 | BIO_printf(bio," "); | |
101 | } | |
102 | ||
667ac4ec RE |
103 | int MAIN(int, char **); |
104 | ||
6b691a5c | 105 | int MAIN(int argc, char **argv) |
d02b48c6 | 106 | { |
5270e702 | 107 | ENGINE *e = NULL; |
fea9afbf BL |
108 | static const char magic[]="Salted__"; |
109 | char mbuf[8]; /* should be 1 smaller than magic */ | |
d02b48c6 RE |
110 | char *strbuf=NULL; |
111 | unsigned char *buff=NULL,*bufsize=NULL; | |
112 | int bsize=BSIZE,verbose=0; | |
113 | int ret=1,inl; | |
f2e5ca84 | 114 | int nopad = 0; |
757e392d | 115 | unsigned char key[EVP_MAX_KEY_LENGTH],iv[EVP_MAX_IV_LENGTH]; |
fd699ac5 | 116 | unsigned char salt[PKCS5_SALT_LEN]; |
cd3c54e5 | 117 | char *str=NULL, *passarg = NULL, *pass = NULL; |
fd699ac5 | 118 | char *hkey=NULL,*hiv=NULL,*hsalt = NULL; |
d02b48c6 | 119 | int enc=1,printkey=0,i,base64=0; |
fea9afbf | 120 | int debug=0,olb64=0,nosalt=0; |
e778802f | 121 | const EVP_CIPHER *cipher=NULL,*c; |
d02b48c6 RE |
122 | char *inf=NULL,*outf=NULL; |
123 | BIO *in=NULL,*out=NULL,*b64=NULL,*benc=NULL,*rbio=NULL,*wbio=NULL; | |
124 | #define PROG_NAME_SIZE 16 | |
b1c4fe36 | 125 | char pname[PROG_NAME_SIZE]; |
5270e702 | 126 | char *engine = NULL; |
d02b48c6 RE |
127 | |
128 | apps_startup(); | |
129 | ||
130 | if (bio_err == NULL) | |
131 | if ((bio_err=BIO_new(BIO_s_file())) != NULL) | |
58964a49 | 132 | BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); |
d02b48c6 RE |
133 | |
134 | /* first check the program name */ | |
b1c4fe36 | 135 | program_name(argv[0],pname,PROG_NAME_SIZE); |
d02b48c6 RE |
136 | if (strcmp(pname,"base64") == 0) |
137 | base64=1; | |
138 | ||
139 | cipher=EVP_get_cipherbyname(pname); | |
140 | if (!base64 && (cipher == NULL) && (strcmp(pname,"enc") != 0)) | |
141 | { | |
142 | BIO_printf(bio_err,"%s is an unknown cipher\n",pname); | |
143 | goto bad; | |
144 | } | |
145 | ||
146 | argc--; | |
147 | argv++; | |
148 | while (argc >= 1) | |
149 | { | |
150 | if (strcmp(*argv,"-e") == 0) | |
151 | enc=1; | |
152 | else if (strcmp(*argv,"-in") == 0) | |
153 | { | |
154 | if (--argc < 1) goto bad; | |
155 | inf= *(++argv); | |
156 | } | |
157 | else if (strcmp(*argv,"-out") == 0) | |
158 | { | |
159 | if (--argc < 1) goto bad; | |
160 | outf= *(++argv); | |
161 | } | |
cd3c54e5 DSH |
162 | else if (strcmp(*argv,"-pass") == 0) |
163 | { | |
164 | if (--argc < 1) goto bad; | |
165 | passarg= *(++argv); | |
166 | } | |
5270e702 RL |
167 | else if (strcmp(*argv,"-engine") == 0) |
168 | { | |
169 | if (--argc < 1) goto bad; | |
170 | engine= *(++argv); | |
171 | } | |
d02b48c6 RE |
172 | else if (strcmp(*argv,"-d") == 0) |
173 | enc=0; | |
174 | else if (strcmp(*argv,"-p") == 0) | |
175 | printkey=1; | |
176 | else if (strcmp(*argv,"-v") == 0) | |
177 | verbose=1; | |
f2e5ca84 DSH |
178 | else if (strcmp(*argv,"-nopad") == 0) |
179 | nopad=1; | |
fd699ac5 DSH |
180 | else if (strcmp(*argv,"-salt") == 0) |
181 | nosalt=0; | |
182 | else if (strcmp(*argv,"-nosalt") == 0) | |
183 | nosalt=1; | |
184 | else if (strcmp(*argv,"-debug") == 0) | |
d02b48c6 RE |
185 | debug=1; |
186 | else if (strcmp(*argv,"-P") == 0) | |
187 | printkey=2; | |
58964a49 RE |
188 | else if (strcmp(*argv,"-A") == 0) |
189 | olb64=1; | |
d02b48c6 RE |
190 | else if (strcmp(*argv,"-a") == 0) |
191 | base64=1; | |
192 | else if (strcmp(*argv,"-base64") == 0) | |
193 | base64=1; | |
194 | else if (strcmp(*argv,"-bufsize") == 0) | |
195 | { | |
196 | if (--argc < 1) goto bad; | |
197 | bufsize=(unsigned char *)*(++argv); | |
198 | } | |
199 | else if (strcmp(*argv,"-k") == 0) | |
200 | { | |
201 | if (--argc < 1) goto bad; | |
202 | str= *(++argv); | |
203 | } | |
204 | else if (strcmp(*argv,"-kfile") == 0) | |
205 | { | |
206 | static char buf[128]; | |
207 | FILE *infile; | |
208 | char *file; | |
209 | ||
210 | if (--argc < 1) goto bad; | |
211 | file= *(++argv); | |
212 | infile=fopen(file,"r"); | |
213 | if (infile == NULL) | |
214 | { | |
215 | BIO_printf(bio_err,"unable to read key from '%s'\n", | |
216 | file); | |
217 | goto bad; | |
218 | } | |
219 | buf[0]='\0'; | |
220 | fgets(buf,128,infile); | |
221 | fclose(infile); | |
222 | i=strlen(buf); | |
223 | if ((i > 0) && | |
224 | ((buf[i-1] == '\n') || (buf[i-1] == '\r'))) | |
225 | buf[--i]='\0'; | |
226 | if ((i > 0) && | |
227 | ((buf[i-1] == '\n') || (buf[i-1] == '\r'))) | |
228 | buf[--i]='\0'; | |
229 | if (i < 1) | |
230 | { | |
231 | BIO_printf(bio_err,"zero length password\n"); | |
232 | goto bad; | |
233 | } | |
234 | str=buf; | |
235 | } | |
236 | else if (strcmp(*argv,"-K") == 0) | |
237 | { | |
238 | if (--argc < 1) goto bad; | |
239 | hkey= *(++argv); | |
240 | } | |
fd699ac5 DSH |
241 | else if (strcmp(*argv,"-S") == 0) |
242 | { | |
243 | if (--argc < 1) goto bad; | |
244 | hsalt= *(++argv); | |
245 | } | |
d02b48c6 RE |
246 | else if (strcmp(*argv,"-iv") == 0) |
247 | { | |
248 | if (--argc < 1) goto bad; | |
249 | hiv= *(++argv); | |
250 | } | |
251 | else if ((argv[0][0] == '-') && | |
252 | ((c=EVP_get_cipherbyname(&(argv[0][1]))) != NULL)) | |
253 | { | |
254 | cipher=c; | |
255 | } | |
256 | else if (strcmp(*argv,"-none") == 0) | |
257 | cipher=NULL; | |
258 | else | |
259 | { | |
260 | BIO_printf(bio_err,"unknown option '%s'\n",*argv); | |
261 | bad: | |
262 | BIO_printf(bio_err,"options are\n"); | |
263 | BIO_printf(bio_err,"%-14s input file\n","-in <file>"); | |
cd3c54e5 DSH |
264 | BIO_printf(bio_err,"%-14s output file\n","-out <file>"); |
265 | BIO_printf(bio_err,"%-14s pass phrase source\n","-pass <arg>"); | |
d02b48c6 RE |
266 | BIO_printf(bio_err,"%-14s encrypt\n","-e"); |
267 | BIO_printf(bio_err,"%-14s decrypt\n","-d"); | |
268 | BIO_printf(bio_err,"%-14s base64 encode/decode, depending on encryption flag\n","-a/-base64"); | |
269 | BIO_printf(bio_err,"%-14s key is the next argument\n","-k"); | |
270 | BIO_printf(bio_err,"%-14s key is the first line of the file argument\n","-kfile"); | |
271 | BIO_printf(bio_err,"%-14s key/iv in hex is the next argument\n","-K/-iv"); | |
272 | BIO_printf(bio_err,"%-14s print the iv/key (then exit if -P)\n","-[pP]"); | |
273 | BIO_printf(bio_err,"%-14s buffer size\n","-bufsize <n>"); | |
5270e702 | 274 | BIO_printf(bio_err,"%-14s use engine e, possibly a hardware device.\n","-engine e"); |
d02b48c6 RE |
275 | |
276 | BIO_printf(bio_err,"Cipher Types\n"); | |
646d5695 BL |
277 | OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH, |
278 | show_ciphers, | |
279 | bio_err); | |
280 | BIO_printf(bio_err,"\n"); | |
d02b48c6 | 281 | |
d02b48c6 RE |
282 | goto end; |
283 | } | |
284 | argc--; | |
285 | argv++; | |
286 | } | |
287 | ||
5270e702 RL |
288 | if (engine != NULL) |
289 | { | |
290 | if((e = ENGINE_by_id(engine)) == NULL) | |
291 | { | |
292 | BIO_printf(bio_err,"invalid engine \"%s\"\n", | |
293 | engine); | |
294 | goto end; | |
295 | } | |
296 | if(!ENGINE_set_default(e, ENGINE_METHOD_ALL)) | |
297 | { | |
298 | BIO_printf(bio_err,"can't use that engine\n"); | |
299 | goto end; | |
300 | } | |
301 | BIO_printf(bio_err,"engine \"%s\" set.\n", engine); | |
302 | /* Free our "structural" reference. */ | |
303 | ENGINE_free(e); | |
304 | } | |
305 | ||
d02b48c6 RE |
306 | if (bufsize != NULL) |
307 | { | |
308 | unsigned long n; | |
309 | ||
310 | for (n=0; *bufsize; bufsize++) | |
311 | { | |
312 | i= *bufsize; | |
313 | if ((i <= '9') && (i >= '0')) | |
314 | n=n*10+i-'0'; | |
315 | else if (i == 'k') | |
316 | { | |
317 | n*=1024; | |
318 | bufsize++; | |
319 | break; | |
320 | } | |
321 | } | |
322 | if (*bufsize != '\0') | |
323 | { | |
324 | BIO_printf(bio_err,"invalid 'bufsize' specified.\n"); | |
325 | goto end; | |
326 | } | |
327 | ||
328 | /* It must be large enough for a base64 encoded line */ | |
329 | if (n < 80) n=80; | |
330 | ||
331 | bsize=(int)n; | |
332 | if (verbose) BIO_printf(bio_err,"bufsize=%d\n",bsize); | |
333 | } | |
334 | ||
26a3a48d RL |
335 | strbuf=OPENSSL_malloc(SIZE); |
336 | buff=(unsigned char *)OPENSSL_malloc(EVP_ENCODE_LENGTH(bsize)); | |
d02b48c6 RE |
337 | if ((buff == NULL) || (strbuf == NULL)) |
338 | { | |
26a3a48d | 339 | BIO_printf(bio_err,"OPENSSL_malloc failure %ld\n",(long)EVP_ENCODE_LENGTH(bsize)); |
d02b48c6 RE |
340 | goto end; |
341 | } | |
342 | ||
343 | in=BIO_new(BIO_s_file()); | |
344 | out=BIO_new(BIO_s_file()); | |
345 | if ((in == NULL) || (out == NULL)) | |
346 | { | |
347 | ERR_print_errors(bio_err); | |
348 | goto end; | |
349 | } | |
350 | if (debug) | |
351 | { | |
352 | BIO_set_callback(in,BIO_debug_callback); | |
353 | BIO_set_callback(out,BIO_debug_callback); | |
354 | BIO_set_callback_arg(in,bio_err); | |
355 | BIO_set_callback_arg(out,bio_err); | |
356 | } | |
357 | ||
358 | if (inf == NULL) | |
359 | BIO_set_fp(in,stdin,BIO_NOCLOSE); | |
360 | else | |
361 | { | |
362 | if (BIO_read_filename(in,inf) <= 0) | |
363 | { | |
364 | perror(inf); | |
365 | goto end; | |
366 | } | |
367 | } | |
368 | ||
cd3c54e5 DSH |
369 | if(!str && passarg) { |
370 | if(!app_passwd(bio_err, passarg, NULL, &pass, NULL)) { | |
371 | BIO_printf(bio_err, "Error getting password\n"); | |
372 | goto end; | |
373 | } | |
374 | str = pass; | |
375 | } | |
376 | ||
d02b48c6 RE |
377 | if ((str == NULL) && (cipher != NULL) && (hkey == NULL)) |
378 | { | |
379 | for (;;) | |
380 | { | |
381 | char buf[200]; | |
382 | ||
383 | sprintf(buf,"enter %s %s password:", | |
384 | OBJ_nid2ln(EVP_CIPHER_nid(cipher)), | |
385 | (enc)?"encryption":"decryption"); | |
386 | strbuf[0]='\0'; | |
387 | i=EVP_read_pw_string((char *)strbuf,SIZE,buf,enc); | |
388 | if (i == 0) | |
389 | { | |
390 | if (strbuf[0] == '\0') | |
391 | { | |
392 | ret=1; | |
393 | goto end; | |
394 | } | |
395 | str=strbuf; | |
396 | break; | |
397 | } | |
398 | if (i < 0) | |
399 | { | |
400 | BIO_printf(bio_err,"bad password read\n"); | |
401 | goto end; | |
402 | } | |
403 | } | |
404 | } | |
405 | ||
fd699ac5 DSH |
406 | |
407 | if (outf == NULL) | |
645749ef | 408 | { |
fd699ac5 | 409 | BIO_set_fp(out,stdout,BIO_NOCLOSE); |
645749ef RL |
410 | #ifdef VMS |
411 | { | |
412 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
413 | out = BIO_push(tmpbio, out); | |
414 | } | |
415 | #endif | |
416 | } | |
fd699ac5 DSH |
417 | else |
418 | { | |
419 | if (BIO_write_filename(out,outf) <= 0) | |
420 | { | |
421 | perror(outf); | |
422 | goto end; | |
423 | } | |
424 | } | |
425 | ||
426 | rbio=in; | |
427 | wbio=out; | |
428 | ||
429 | if (base64) | |
430 | { | |
431 | if ((b64=BIO_new(BIO_f_base64())) == NULL) | |
432 | goto end; | |
433 | if (debug) | |
434 | { | |
435 | BIO_set_callback(b64,BIO_debug_callback); | |
436 | BIO_set_callback_arg(b64,bio_err); | |
437 | } | |
438 | if (olb64) | |
439 | BIO_set_flags(b64,BIO_FLAGS_BASE64_NO_NL); | |
440 | if (enc) | |
441 | wbio=BIO_push(b64,wbio); | |
442 | else | |
443 | rbio=BIO_push(b64,rbio); | |
444 | } | |
445 | ||
d02b48c6 RE |
446 | if (cipher != NULL) |
447 | { | |
259810e0 BL |
448 | /* Note that str is NULL if a key was passed on the command |
449 | * line, so we get no salt in that case. Is this a bug? | |
450 | */ | |
d02b48c6 RE |
451 | if (str != NULL) |
452 | { | |
fd699ac5 DSH |
453 | /* Salt handling: if encrypting generate a salt and |
454 | * write to output BIO. If decrypting read salt from | |
455 | * input BIO. | |
456 | */ | |
457 | unsigned char *sptr; | |
458 | if(nosalt) sptr = NULL; | |
459 | else { | |
460 | if(enc) { | |
461 | if(hsalt) { | |
462 | if(!set_hex(hsalt,salt,PKCS5_SALT_LEN)) { | |
463 | BIO_printf(bio_err, | |
464 | "invalid hex salt value\n"); | |
465 | goto end; | |
466 | } | |
05ccd698 | 467 | } else if (RAND_pseudo_bytes(salt, PKCS5_SALT_LEN) < 0) |
e7f97e2d | 468 | goto end; |
fd699ac5 | 469 | /* If -P option then don't bother writing */ |
fea9afbf BL |
470 | if((printkey != 2) |
471 | && (BIO_write(wbio,magic, | |
472 | sizeof magic-1) != sizeof magic-1 | |
473 | || BIO_write(wbio, | |
474 | (char *)salt, | |
475 | PKCS5_SALT_LEN) != PKCS5_SALT_LEN)) { | |
fd699ac5 DSH |
476 | BIO_printf(bio_err,"error writing output file\n"); |
477 | goto end; | |
478 | } | |
fea9afbf BL |
479 | } else if(BIO_read(rbio,mbuf,sizeof mbuf) != sizeof mbuf |
480 | || BIO_read(rbio, | |
481 | (unsigned char *)salt, | |
fd699ac5 DSH |
482 | PKCS5_SALT_LEN) != PKCS5_SALT_LEN) { |
483 | BIO_printf(bio_err,"error reading input file\n"); | |
484 | goto end; | |
fea9afbf BL |
485 | } else if(memcmp(mbuf,magic,sizeof magic-1)) { |
486 | BIO_printf(bio_err,"bad magic number\n"); | |
487 | goto end; | |
fd699ac5 | 488 | } |
fea9afbf | 489 | |
fd699ac5 DSH |
490 | sptr = salt; |
491 | } | |
492 | ||
493 | EVP_BytesToKey(cipher,EVP_md5(),sptr, | |
d02b48c6 RE |
494 | (unsigned char *)str, |
495 | strlen(str),1,key,iv); | |
496 | /* zero the complete buffer or the string | |
497 | * passed from the command line | |
498 | * bug picked up by | |
499 | * Larry J. Hughes Jr. <hughes@indiana.edu> */ | |
500 | if (str == strbuf) | |
501 | memset(str,0,SIZE); | |
502 | else | |
503 | memset(str,0,strlen(str)); | |
504 | } | |
757e392d | 505 | if ((hiv != NULL) && !set_hex(hiv,iv,sizeof iv)) |
d02b48c6 RE |
506 | { |
507 | BIO_printf(bio_err,"invalid hex iv value\n"); | |
508 | goto end; | |
509 | } | |
757e392d | 510 | if ((hkey != NULL) && !set_hex(hkey,key,sizeof key)) |
d02b48c6 RE |
511 | { |
512 | BIO_printf(bio_err,"invalid hex key value\n"); | |
513 | goto end; | |
514 | } | |
515 | ||
516 | if ((benc=BIO_new(BIO_f_cipher())) == NULL) | |
517 | goto end; | |
518 | BIO_set_cipher(benc,cipher,key,iv,enc); | |
f2e5ca84 DSH |
519 | if (nopad) |
520 | { | |
521 | EVP_CIPHER_CTX *ctx; | |
522 | BIO_get_cipher_ctx(benc, &ctx); | |
523 | EVP_CIPHER_CTX_set_padding(ctx, 0); | |
524 | } | |
d02b48c6 RE |
525 | if (debug) |
526 | { | |
527 | BIO_set_callback(benc,BIO_debug_callback); | |
528 | BIO_set_callback_arg(benc,bio_err); | |
529 | } | |
530 | ||
531 | if (printkey) | |
532 | { | |
fd699ac5 DSH |
533 | if (!nosalt) |
534 | { | |
535 | printf("salt="); | |
536 | for (i=0; i<PKCS5_SALT_LEN; i++) | |
537 | printf("%02X",salt[i]); | |
538 | printf("\n"); | |
539 | } | |
d02b48c6 RE |
540 | if (cipher->key_len > 0) |
541 | { | |
542 | printf("key="); | |
543 | for (i=0; i<cipher->key_len; i++) | |
544 | printf("%02X",key[i]); | |
545 | printf("\n"); | |
546 | } | |
547 | if (cipher->iv_len > 0) | |
548 | { | |
549 | printf("iv ="); | |
550 | for (i=0; i<cipher->iv_len; i++) | |
551 | printf("%02X",iv[i]); | |
552 | printf("\n"); | |
553 | } | |
554 | if (printkey == 2) | |
555 | { | |
556 | ret=0; | |
557 | goto end; | |
558 | } | |
559 | } | |
560 | } | |
561 | ||
d02b48c6 RE |
562 | /* Only encrypt/decrypt as we write the file */ |
563 | if (benc != NULL) | |
564 | wbio=BIO_push(benc,wbio); | |
565 | ||
566 | for (;;) | |
567 | { | |
568 | inl=BIO_read(rbio,(char *)buff,bsize); | |
569 | if (inl <= 0) break; | |
570 | if (BIO_write(wbio,(char *)buff,inl) != inl) | |
571 | { | |
572 | BIO_printf(bio_err,"error writing output file\n"); | |
573 | goto end; | |
574 | } | |
575 | } | |
576 | if (!BIO_flush(wbio)) | |
577 | { | |
578 | BIO_printf(bio_err,"bad decrypt\n"); | |
579 | goto end; | |
580 | } | |
581 | ||
582 | ret=0; | |
583 | if (verbose) | |
584 | { | |
585 | BIO_printf(bio_err,"bytes read :%8ld\n",BIO_number_read(in)); | |
586 | BIO_printf(bio_err,"bytes written:%8ld\n",BIO_number_written(out)); | |
587 | } | |
588 | end: | |
033db22d | 589 | ERR_print_errors(bio_err); |
26a3a48d RL |
590 | if (strbuf != NULL) OPENSSL_free(strbuf); |
591 | if (buff != NULL) OPENSSL_free(buff); | |
d02b48c6 | 592 | if (in != NULL) BIO_free(in); |
645749ef | 593 | if (out != NULL) BIO_free_all(out); |
d02b48c6 RE |
594 | if (benc != NULL) BIO_free(benc); |
595 | if (b64 != NULL) BIO_free(b64); | |
26a3a48d | 596 | if(pass) OPENSSL_free(pass); |
d02b48c6 RE |
597 | EXIT(ret); |
598 | } | |
599 | ||
6b691a5c | 600 | int set_hex(char *in, unsigned char *out, int size) |
d02b48c6 RE |
601 | { |
602 | int i,n; | |
603 | unsigned char j; | |
604 | ||
605 | n=strlen(in); | |
606 | if (n > (size*2)) | |
607 | { | |
608 | BIO_printf(bio_err,"hex string is too long\n"); | |
609 | return(0); | |
610 | } | |
611 | memset(out,0,size); | |
612 | for (i=0; i<n; i++) | |
613 | { | |
614 | j=(unsigned char)*in; | |
615 | *(in++)='\0'; | |
616 | if (j == 0) break; | |
617 | if ((j >= '0') && (j <= '9')) | |
618 | j-='0'; | |
619 | else if ((j >= 'A') && (j <= 'F')) | |
620 | j=j-'A'+10; | |
621 | else if ((j >= 'a') && (j <= 'f')) | |
622 | j=j-'a'+10; | |
623 | else | |
624 | { | |
625 | BIO_printf(bio_err,"non-hex digit\n"); | |
626 | return(0); | |
627 | } | |
628 | if (i&1) | |
629 | out[i/2]|=j; | |
630 | else | |
631 | out[i/2]=(j<<4); | |
632 | } | |
633 | return(1); | |
634 | } |