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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> |
ec577822 | 69 | #include <openssl/pem.h> |
646d5695 | 70 | #include <ctype.h> |
d02b48c6 | 71 | |
d02b48c6 | 72 | int set_hex(char *in,unsigned char *out,int size); |
d02b48c6 RE |
73 | #undef SIZE |
74 | #undef BSIZE | |
75 | #undef PROG | |
76 | ||
77 | #define SIZE (512) | |
78 | #define BSIZE (8*1024) | |
79 | #define PROG enc_main | |
80 | ||
40889b9c | 81 | static void show_ciphers(const OBJ_NAME *name,void *bio_) |
646d5695 BL |
82 | { |
83 | BIO *bio=bio_; | |
84 | static int n; | |
85 | ||
a87e50a9 | 86 | if(!islower((unsigned char)*name->name)) |
646d5695 BL |
87 | return; |
88 | ||
89 | BIO_printf(bio,"-%-25s",name->name); | |
90 | if(++n == 3) | |
91 | { | |
92 | BIO_printf(bio,"\n"); | |
93 | n=0; | |
94 | } | |
95 | else | |
96 | BIO_printf(bio," "); | |
97 | } | |
98 | ||
667ac4ec RE |
99 | int MAIN(int, char **); |
100 | ||
6b691a5c | 101 | int MAIN(int argc, char **argv) |
d02b48c6 | 102 | { |
0b13e9f0 | 103 | #ifndef OPENSSL_NO_ENGINE |
5270e702 | 104 | ENGINE *e = NULL; |
0b13e9f0 | 105 | #endif |
fea9afbf | 106 | static const char magic[]="Salted__"; |
54a656ef | 107 | char mbuf[sizeof magic-1]; |
d02b48c6 RE |
108 | char *strbuf=NULL; |
109 | unsigned char *buff=NULL,*bufsize=NULL; | |
110 | int bsize=BSIZE,verbose=0; | |
111 | int ret=1,inl; | |
f2e5ca84 | 112 | int nopad = 0; |
757e392d | 113 | unsigned char key[EVP_MAX_KEY_LENGTH],iv[EVP_MAX_IV_LENGTH]; |
fd699ac5 | 114 | unsigned char salt[PKCS5_SALT_LEN]; |
cd3c54e5 | 115 | char *str=NULL, *passarg = NULL, *pass = NULL; |
fd699ac5 | 116 | char *hkey=NULL,*hiv=NULL,*hsalt = NULL; |
d02b48c6 | 117 | int enc=1,printkey=0,i,base64=0; |
fea9afbf | 118 | int debug=0,olb64=0,nosalt=0; |
e778802f | 119 | const EVP_CIPHER *cipher=NULL,*c; |
d02b48c6 RE |
120 | char *inf=NULL,*outf=NULL; |
121 | BIO *in=NULL,*out=NULL,*b64=NULL,*benc=NULL,*rbio=NULL,*wbio=NULL; | |
dfee50ec RL |
122 | #define PROG_NAME_SIZE 39 |
123 | char pname[PROG_NAME_SIZE+1]; | |
0b13e9f0 | 124 | #ifndef OPENSSL_NO_ENGINE |
5270e702 | 125 | char *engine = NULL; |
0b13e9f0 | 126 | #endif |
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 | 133 | |
3647bee2 DSH |
134 | if (!load_config(bio_err, NULL)) |
135 | goto end; | |
136 | ||
d02b48c6 | 137 | /* first check the program name */ |
54a656ef | 138 | program_name(argv[0],pname,sizeof pname); |
d02b48c6 RE |
139 | if (strcmp(pname,"base64") == 0) |
140 | base64=1; | |
141 | ||
142 | cipher=EVP_get_cipherbyname(pname); | |
143 | if (!base64 && (cipher == NULL) && (strcmp(pname,"enc") != 0)) | |
144 | { | |
145 | BIO_printf(bio_err,"%s is an unknown cipher\n",pname); | |
146 | goto bad; | |
147 | } | |
148 | ||
149 | argc--; | |
150 | argv++; | |
151 | while (argc >= 1) | |
152 | { | |
153 | if (strcmp(*argv,"-e") == 0) | |
154 | enc=1; | |
155 | else if (strcmp(*argv,"-in") == 0) | |
156 | { | |
157 | if (--argc < 1) goto bad; | |
158 | inf= *(++argv); | |
159 | } | |
160 | else if (strcmp(*argv,"-out") == 0) | |
161 | { | |
162 | if (--argc < 1) goto bad; | |
163 | outf= *(++argv); | |
164 | } | |
cd3c54e5 DSH |
165 | else if (strcmp(*argv,"-pass") == 0) |
166 | { | |
167 | if (--argc < 1) goto bad; | |
168 | passarg= *(++argv); | |
169 | } | |
0b13e9f0 | 170 | #ifndef OPENSSL_NO_ENGINE |
5270e702 RL |
171 | else if (strcmp(*argv,"-engine") == 0) |
172 | { | |
173 | if (--argc < 1) goto bad; | |
174 | engine= *(++argv); | |
175 | } | |
0b13e9f0 | 176 | #endif |
d02b48c6 RE |
177 | else if (strcmp(*argv,"-d") == 0) |
178 | enc=0; | |
179 | else if (strcmp(*argv,"-p") == 0) | |
180 | printkey=1; | |
181 | else if (strcmp(*argv,"-v") == 0) | |
182 | verbose=1; | |
f2e5ca84 DSH |
183 | else if (strcmp(*argv,"-nopad") == 0) |
184 | nopad=1; | |
fd699ac5 DSH |
185 | else if (strcmp(*argv,"-salt") == 0) |
186 | nosalt=0; | |
187 | else if (strcmp(*argv,"-nosalt") == 0) | |
188 | nosalt=1; | |
189 | else if (strcmp(*argv,"-debug") == 0) | |
d02b48c6 RE |
190 | debug=1; |
191 | else if (strcmp(*argv,"-P") == 0) | |
192 | printkey=2; | |
58964a49 RE |
193 | else if (strcmp(*argv,"-A") == 0) |
194 | olb64=1; | |
d02b48c6 RE |
195 | else if (strcmp(*argv,"-a") == 0) |
196 | base64=1; | |
197 | else if (strcmp(*argv,"-base64") == 0) | |
198 | base64=1; | |
199 | else if (strcmp(*argv,"-bufsize") == 0) | |
200 | { | |
201 | if (--argc < 1) goto bad; | |
202 | bufsize=(unsigned char *)*(++argv); | |
203 | } | |
204 | else if (strcmp(*argv,"-k") == 0) | |
205 | { | |
206 | if (--argc < 1) goto bad; | |
207 | str= *(++argv); | |
208 | } | |
209 | else if (strcmp(*argv,"-kfile") == 0) | |
210 | { | |
211 | static char buf[128]; | |
212 | FILE *infile; | |
213 | char *file; | |
214 | ||
215 | if (--argc < 1) goto bad; | |
216 | file= *(++argv); | |
217 | infile=fopen(file,"r"); | |
218 | if (infile == NULL) | |
219 | { | |
220 | BIO_printf(bio_err,"unable to read key from '%s'\n", | |
221 | file); | |
222 | goto bad; | |
223 | } | |
224 | buf[0]='\0'; | |
54a656ef | 225 | fgets(buf,sizeof buf,infile); |
d02b48c6 RE |
226 | fclose(infile); |
227 | i=strlen(buf); | |
228 | if ((i > 0) && | |
229 | ((buf[i-1] == '\n') || (buf[i-1] == '\r'))) | |
230 | buf[--i]='\0'; | |
231 | if ((i > 0) && | |
232 | ((buf[i-1] == '\n') || (buf[i-1] == '\r'))) | |
233 | buf[--i]='\0'; | |
234 | if (i < 1) | |
235 | { | |
236 | BIO_printf(bio_err,"zero length password\n"); | |
237 | goto bad; | |
238 | } | |
239 | str=buf; | |
240 | } | |
241 | else if (strcmp(*argv,"-K") == 0) | |
242 | { | |
243 | if (--argc < 1) goto bad; | |
244 | hkey= *(++argv); | |
245 | } | |
fd699ac5 DSH |
246 | else if (strcmp(*argv,"-S") == 0) |
247 | { | |
248 | if (--argc < 1) goto bad; | |
249 | hsalt= *(++argv); | |
250 | } | |
d02b48c6 RE |
251 | else if (strcmp(*argv,"-iv") == 0) |
252 | { | |
253 | if (--argc < 1) goto bad; | |
254 | hiv= *(++argv); | |
255 | } | |
256 | else if ((argv[0][0] == '-') && | |
257 | ((c=EVP_get_cipherbyname(&(argv[0][1]))) != NULL)) | |
258 | { | |
259 | cipher=c; | |
260 | } | |
261 | else if (strcmp(*argv,"-none") == 0) | |
262 | cipher=NULL; | |
263 | else | |
264 | { | |
265 | BIO_printf(bio_err,"unknown option '%s'\n",*argv); | |
266 | bad: | |
267 | BIO_printf(bio_err,"options are\n"); | |
268 | BIO_printf(bio_err,"%-14s input file\n","-in <file>"); | |
cd3c54e5 DSH |
269 | BIO_printf(bio_err,"%-14s output file\n","-out <file>"); |
270 | BIO_printf(bio_err,"%-14s pass phrase source\n","-pass <arg>"); | |
d02b48c6 RE |
271 | BIO_printf(bio_err,"%-14s encrypt\n","-e"); |
272 | BIO_printf(bio_err,"%-14s decrypt\n","-d"); | |
273 | BIO_printf(bio_err,"%-14s base64 encode/decode, depending on encryption flag\n","-a/-base64"); | |
274 | BIO_printf(bio_err,"%-14s key is the next argument\n","-k"); | |
275 | BIO_printf(bio_err,"%-14s key is the first line of the file argument\n","-kfile"); | |
276 | BIO_printf(bio_err,"%-14s key/iv in hex is the next argument\n","-K/-iv"); | |
277 | BIO_printf(bio_err,"%-14s print the iv/key (then exit if -P)\n","-[pP]"); | |
278 | BIO_printf(bio_err,"%-14s buffer size\n","-bufsize <n>"); | |
0b13e9f0 | 279 | #ifndef OPENSSL_NO_ENGINE |
5270e702 | 280 | BIO_printf(bio_err,"%-14s use engine e, possibly a hardware device.\n","-engine e"); |
0b13e9f0 | 281 | #endif |
d02b48c6 RE |
282 | |
283 | BIO_printf(bio_err,"Cipher Types\n"); | |
646d5695 BL |
284 | OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH, |
285 | show_ciphers, | |
286 | bio_err); | |
287 | BIO_printf(bio_err,"\n"); | |
d02b48c6 | 288 | |
d02b48c6 RE |
289 | goto end; |
290 | } | |
291 | argc--; | |
292 | argv++; | |
293 | } | |
294 | ||
0b13e9f0 | 295 | #ifndef OPENSSL_NO_ENGINE |
531d630b | 296 | e = setup_engine(bio_err, engine, 0); |
0b13e9f0 | 297 | #endif |
5270e702 | 298 | |
d02b48c6 RE |
299 | if (bufsize != NULL) |
300 | { | |
301 | unsigned long n; | |
302 | ||
303 | for (n=0; *bufsize; bufsize++) | |
304 | { | |
305 | i= *bufsize; | |
306 | if ((i <= '9') && (i >= '0')) | |
307 | n=n*10+i-'0'; | |
308 | else if (i == 'k') | |
309 | { | |
310 | n*=1024; | |
311 | bufsize++; | |
312 | break; | |
313 | } | |
314 | } | |
315 | if (*bufsize != '\0') | |
316 | { | |
317 | BIO_printf(bio_err,"invalid 'bufsize' specified.\n"); | |
318 | goto end; | |
319 | } | |
320 | ||
321 | /* It must be large enough for a base64 encoded line */ | |
322 | if (n < 80) n=80; | |
323 | ||
324 | bsize=(int)n; | |
325 | if (verbose) BIO_printf(bio_err,"bufsize=%d\n",bsize); | |
326 | } | |
327 | ||
26a3a48d RL |
328 | strbuf=OPENSSL_malloc(SIZE); |
329 | buff=(unsigned char *)OPENSSL_malloc(EVP_ENCODE_LENGTH(bsize)); | |
d02b48c6 RE |
330 | if ((buff == NULL) || (strbuf == NULL)) |
331 | { | |
26a3a48d | 332 | BIO_printf(bio_err,"OPENSSL_malloc failure %ld\n",(long)EVP_ENCODE_LENGTH(bsize)); |
d02b48c6 RE |
333 | goto end; |
334 | } | |
335 | ||
336 | in=BIO_new(BIO_s_file()); | |
337 | out=BIO_new(BIO_s_file()); | |
338 | if ((in == NULL) || (out == NULL)) | |
339 | { | |
340 | ERR_print_errors(bio_err); | |
341 | goto end; | |
342 | } | |
343 | if (debug) | |
344 | { | |
345 | BIO_set_callback(in,BIO_debug_callback); | |
346 | BIO_set_callback(out,BIO_debug_callback); | |
347 | BIO_set_callback_arg(in,bio_err); | |
348 | BIO_set_callback_arg(out,bio_err); | |
349 | } | |
350 | ||
351 | if (inf == NULL) | |
352 | BIO_set_fp(in,stdin,BIO_NOCLOSE); | |
353 | else | |
354 | { | |
355 | if (BIO_read_filename(in,inf) <= 0) | |
356 | { | |
357 | perror(inf); | |
358 | goto end; | |
359 | } | |
360 | } | |
361 | ||
cd3c54e5 DSH |
362 | if(!str && passarg) { |
363 | if(!app_passwd(bio_err, passarg, NULL, &pass, NULL)) { | |
364 | BIO_printf(bio_err, "Error getting password\n"); | |
365 | goto end; | |
366 | } | |
367 | str = pass; | |
368 | } | |
369 | ||
d02b48c6 RE |
370 | if ((str == NULL) && (cipher != NULL) && (hkey == NULL)) |
371 | { | |
372 | for (;;) | |
373 | { | |
374 | char buf[200]; | |
375 | ||
376 | sprintf(buf,"enter %s %s password:", | |
377 | OBJ_nid2ln(EVP_CIPHER_nid(cipher)), | |
378 | (enc)?"encryption":"decryption"); | |
379 | strbuf[0]='\0'; | |
380 | i=EVP_read_pw_string((char *)strbuf,SIZE,buf,enc); | |
381 | if (i == 0) | |
382 | { | |
383 | if (strbuf[0] == '\0') | |
384 | { | |
385 | ret=1; | |
386 | goto end; | |
387 | } | |
388 | str=strbuf; | |
389 | break; | |
390 | } | |
391 | if (i < 0) | |
392 | { | |
393 | BIO_printf(bio_err,"bad password read\n"); | |
394 | goto end; | |
395 | } | |
396 | } | |
397 | } | |
398 | ||
fd699ac5 DSH |
399 | |
400 | if (outf == NULL) | |
645749ef | 401 | { |
fd699ac5 | 402 | BIO_set_fp(out,stdout,BIO_NOCLOSE); |
bc36ee62 | 403 | #ifdef OPENSSL_SYS_VMS |
645749ef RL |
404 | { |
405 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
406 | out = BIO_push(tmpbio, out); | |
407 | } | |
408 | #endif | |
409 | } | |
fd699ac5 DSH |
410 | else |
411 | { | |
412 | if (BIO_write_filename(out,outf) <= 0) | |
413 | { | |
414 | perror(outf); | |
415 | goto end; | |
416 | } | |
417 | } | |
418 | ||
419 | rbio=in; | |
420 | wbio=out; | |
421 | ||
422 | if (base64) | |
423 | { | |
424 | if ((b64=BIO_new(BIO_f_base64())) == NULL) | |
425 | goto end; | |
426 | if (debug) | |
427 | { | |
428 | BIO_set_callback(b64,BIO_debug_callback); | |
429 | BIO_set_callback_arg(b64,bio_err); | |
430 | } | |
431 | if (olb64) | |
432 | BIO_set_flags(b64,BIO_FLAGS_BASE64_NO_NL); | |
433 | if (enc) | |
434 | wbio=BIO_push(b64,wbio); | |
435 | else | |
436 | rbio=BIO_push(b64,rbio); | |
437 | } | |
438 | ||
d02b48c6 RE |
439 | if (cipher != NULL) |
440 | { | |
259810e0 BL |
441 | /* Note that str is NULL if a key was passed on the command |
442 | * line, so we get no salt in that case. Is this a bug? | |
443 | */ | |
d02b48c6 RE |
444 | if (str != NULL) |
445 | { | |
fd699ac5 DSH |
446 | /* Salt handling: if encrypting generate a salt and |
447 | * write to output BIO. If decrypting read salt from | |
448 | * input BIO. | |
449 | */ | |
450 | unsigned char *sptr; | |
451 | if(nosalt) sptr = NULL; | |
452 | else { | |
453 | if(enc) { | |
454 | if(hsalt) { | |
54a656ef | 455 | if(!set_hex(hsalt,salt,sizeof salt)) { |
fd699ac5 DSH |
456 | BIO_printf(bio_err, |
457 | "invalid hex salt value\n"); | |
458 | goto end; | |
459 | } | |
54a656ef | 460 | } else if (RAND_pseudo_bytes(salt, sizeof salt) < 0) |
e7f97e2d | 461 | goto end; |
fd699ac5 | 462 | /* If -P option then don't bother writing */ |
fea9afbf BL |
463 | if((printkey != 2) |
464 | && (BIO_write(wbio,magic, | |
465 | sizeof magic-1) != sizeof magic-1 | |
466 | || BIO_write(wbio, | |
467 | (char *)salt, | |
54a656ef | 468 | sizeof salt) != sizeof salt)) { |
fd699ac5 DSH |
469 | BIO_printf(bio_err,"error writing output file\n"); |
470 | goto end; | |
471 | } | |
fea9afbf BL |
472 | } else if(BIO_read(rbio,mbuf,sizeof mbuf) != sizeof mbuf |
473 | || BIO_read(rbio, | |
474 | (unsigned char *)salt, | |
54a656ef | 475 | sizeof salt) != sizeof salt) { |
fd699ac5 DSH |
476 | BIO_printf(bio_err,"error reading input file\n"); |
477 | goto end; | |
fea9afbf BL |
478 | } else if(memcmp(mbuf,magic,sizeof magic-1)) { |
479 | BIO_printf(bio_err,"bad magic number\n"); | |
480 | goto end; | |
fd699ac5 | 481 | } |
fea9afbf | 482 | |
fd699ac5 DSH |
483 | sptr = salt; |
484 | } | |
485 | ||
486 | EVP_BytesToKey(cipher,EVP_md5(),sptr, | |
d02b48c6 RE |
487 | (unsigned char *)str, |
488 | strlen(str),1,key,iv); | |
489 | /* zero the complete buffer or the string | |
490 | * passed from the command line | |
491 | * bug picked up by | |
492 | * Larry J. Hughes Jr. <hughes@indiana.edu> */ | |
493 | if (str == strbuf) | |
4579924b | 494 | OPENSSL_cleanse(str,SIZE); |
d02b48c6 | 495 | else |
4579924b | 496 | OPENSSL_cleanse(str,strlen(str)); |
d02b48c6 | 497 | } |
757e392d | 498 | if ((hiv != NULL) && !set_hex(hiv,iv,sizeof iv)) |
d02b48c6 RE |
499 | { |
500 | BIO_printf(bio_err,"invalid hex iv value\n"); | |
501 | goto end; | |
502 | } | |
43f9391b LJ |
503 | if ((hiv == NULL) && (str == NULL)) |
504 | { | |
505 | /* No IV was explicitly set and no IV was generated | |
506 | * during EVP_BytesToKey. Hence the IV is undefined, | |
507 | * making correct decryption impossible. */ | |
508 | BIO_printf(bio_err, "iv undefined\n"); | |
509 | goto end; | |
510 | } | |
757e392d | 511 | if ((hkey != NULL) && !set_hex(hkey,key,sizeof key)) |
d02b48c6 RE |
512 | { |
513 | BIO_printf(bio_err,"invalid hex key value\n"); | |
514 | goto end; | |
515 | } | |
516 | ||
517 | if ((benc=BIO_new(BIO_f_cipher())) == NULL) | |
518 | goto end; | |
519 | BIO_set_cipher(benc,cipher,key,iv,enc); | |
f2e5ca84 DSH |
520 | if (nopad) |
521 | { | |
522 | EVP_CIPHER_CTX *ctx; | |
523 | BIO_get_cipher_ctx(benc, &ctx); | |
524 | EVP_CIPHER_CTX_set_padding(ctx, 0); | |
525 | } | |
d02b48c6 RE |
526 | if (debug) |
527 | { | |
528 | BIO_set_callback(benc,BIO_debug_callback); | |
529 | BIO_set_callback_arg(benc,bio_err); | |
530 | } | |
531 | ||
532 | if (printkey) | |
533 | { | |
fd699ac5 DSH |
534 | if (!nosalt) |
535 | { | |
536 | printf("salt="); | |
54a656ef | 537 | for (i=0; i<sizeof salt; i++) |
fd699ac5 DSH |
538 | printf("%02X",salt[i]); |
539 | printf("\n"); | |
540 | } | |
d02b48c6 RE |
541 | if (cipher->key_len > 0) |
542 | { | |
543 | printf("key="); | |
544 | for (i=0; i<cipher->key_len; i++) | |
545 | printf("%02X",key[i]); | |
546 | printf("\n"); | |
547 | } | |
548 | if (cipher->iv_len > 0) | |
549 | { | |
550 | printf("iv ="); | |
551 | for (i=0; i<cipher->iv_len; i++) | |
552 | printf("%02X",iv[i]); | |
553 | printf("\n"); | |
554 | } | |
555 | if (printkey == 2) | |
556 | { | |
557 | ret=0; | |
558 | goto end; | |
559 | } | |
560 | } | |
561 | } | |
562 | ||
d02b48c6 RE |
563 | /* Only encrypt/decrypt as we write the file */ |
564 | if (benc != NULL) | |
565 | wbio=BIO_push(benc,wbio); | |
566 | ||
567 | for (;;) | |
568 | { | |
569 | inl=BIO_read(rbio,(char *)buff,bsize); | |
570 | if (inl <= 0) break; | |
571 | if (BIO_write(wbio,(char *)buff,inl) != inl) | |
572 | { | |
573 | BIO_printf(bio_err,"error writing output file\n"); | |
574 | goto end; | |
575 | } | |
576 | } | |
577 | if (!BIO_flush(wbio)) | |
578 | { | |
579 | BIO_printf(bio_err,"bad decrypt\n"); | |
580 | goto end; | |
581 | } | |
582 | ||
583 | ret=0; | |
584 | if (verbose) | |
585 | { | |
586 | BIO_printf(bio_err,"bytes read :%8ld\n",BIO_number_read(in)); | |
587 | BIO_printf(bio_err,"bytes written:%8ld\n",BIO_number_written(out)); | |
588 | } | |
589 | end: | |
033db22d | 590 | ERR_print_errors(bio_err); |
26a3a48d RL |
591 | if (strbuf != NULL) OPENSSL_free(strbuf); |
592 | if (buff != NULL) OPENSSL_free(buff); | |
d02b48c6 | 593 | if (in != NULL) BIO_free(in); |
645749ef | 594 | if (out != NULL) BIO_free_all(out); |
d02b48c6 RE |
595 | if (benc != NULL) BIO_free(benc); |
596 | if (b64 != NULL) BIO_free(b64); | |
26a3a48d | 597 | if(pass) OPENSSL_free(pass); |
c04f8cf4 | 598 | apps_shutdown(); |
1c3e4a36 | 599 | OPENSSL_EXIT(ret); |
d02b48c6 RE |
600 | } |
601 | ||
6b691a5c | 602 | int set_hex(char *in, unsigned char *out, int size) |
d02b48c6 RE |
603 | { |
604 | int i,n; | |
605 | unsigned char j; | |
606 | ||
607 | n=strlen(in); | |
608 | if (n > (size*2)) | |
609 | { | |
610 | BIO_printf(bio_err,"hex string is too long\n"); | |
611 | return(0); | |
612 | } | |
613 | memset(out,0,size); | |
614 | for (i=0; i<n; i++) | |
615 | { | |
616 | j=(unsigned char)*in; | |
617 | *(in++)='\0'; | |
618 | if (j == 0) break; | |
619 | if ((j >= '0') && (j <= '9')) | |
620 | j-='0'; | |
621 | else if ((j >= 'A') && (j <= 'F')) | |
622 | j=j-'A'+10; | |
623 | else if ((j >= 'a') && (j <= 'f')) | |
624 | j=j-'a'+10; | |
625 | else | |
626 | { | |
627 | BIO_printf(bio_err,"non-hex digit\n"); | |
628 | return(0); | |
629 | } | |
630 | if (i&1) | |
631 | out[i/2]|=j; | |
632 | else | |
633 | out[i/2]=(j<<4); | |
634 | } | |
635 | return(1); | |
636 | } |