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.]
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>
68 #include <openssl/rand.h>
70 #include <openssl/md5.h>
72 #include <openssl/pem.h>
74 int set_hex(char *in,unsigned char *out,int size);
80 #define BSIZE (8*1024)
83 int MAIN(int, char **);
85 int MAIN(int argc, char **argv)
87 static const char magic[]="Salted__";
88 char mbuf[8]; /* should be 1 smaller than magic */
90 unsigned char *buff=NULL,*bufsize=NULL;
91 int bsize=BSIZE,verbose=0;
93 unsigned char key[24],iv[MD5_DIGEST_LENGTH];
94 unsigned char salt[PKCS5_SALT_LEN];
96 char *hkey=NULL,*hiv=NULL,*hsalt = NULL;
97 int enc=1,printkey=0,i,base64=0;
98 int debug=0,olb64=0,nosalt=0;
99 const EVP_CIPHER *cipher=NULL,*c;
100 char *inf=NULL,*outf=NULL;
101 BIO *in=NULL,*out=NULL,*b64=NULL,*benc=NULL,*rbio=NULL,*wbio=NULL;
102 #define PROG_NAME_SIZE 16
103 char pname[PROG_NAME_SIZE];
108 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
109 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
111 /* first check the program name */
112 program_name(argv[0],pname,PROG_NAME_SIZE);
113 if (strcmp(pname,"base64") == 0)
116 cipher=EVP_get_cipherbyname(pname);
117 if (!base64 && (cipher == NULL) && (strcmp(pname,"enc") != 0))
119 BIO_printf(bio_err,"%s is an unknown cipher\n",pname);
127 if (strcmp(*argv,"-e") == 0)
129 else if (strcmp(*argv,"-in") == 0)
131 if (--argc < 1) goto bad;
134 else if (strcmp(*argv,"-out") == 0)
136 if (--argc < 1) goto bad;
139 else if (strcmp(*argv,"-d") == 0)
141 else if (strcmp(*argv,"-p") == 0)
143 else if (strcmp(*argv,"-v") == 0)
145 else if (strcmp(*argv,"-salt") == 0)
147 else if (strcmp(*argv,"-nosalt") == 0)
149 else if (strcmp(*argv,"-debug") == 0)
151 else if (strcmp(*argv,"-P") == 0)
153 else if (strcmp(*argv,"-A") == 0)
155 else if (strcmp(*argv,"-a") == 0)
157 else if (strcmp(*argv,"-base64") == 0)
159 else if (strcmp(*argv,"-bufsize") == 0)
161 if (--argc < 1) goto bad;
162 bufsize=(unsigned char *)*(++argv);
164 else if (strcmp(*argv,"-k") == 0)
166 if (--argc < 1) goto bad;
169 else if (strcmp(*argv,"-kfile") == 0)
171 static char buf[128];
175 if (--argc < 1) goto bad;
177 infile=fopen(file,"r");
180 BIO_printf(bio_err,"unable to read key from '%s'\n",
185 fgets(buf,128,infile);
189 ((buf[i-1] == '\n') || (buf[i-1] == '\r')))
192 ((buf[i-1] == '\n') || (buf[i-1] == '\r')))
196 BIO_printf(bio_err,"zero length password\n");
201 else if (strcmp(*argv,"-K") == 0)
203 if (--argc < 1) goto bad;
206 else if (strcmp(*argv,"-S") == 0)
208 if (--argc < 1) goto bad;
211 else if (strcmp(*argv,"-iv") == 0)
213 if (--argc < 1) goto bad;
216 else if ((argv[0][0] == '-') &&
217 ((c=EVP_get_cipherbyname(&(argv[0][1]))) != NULL))
221 else if (strcmp(*argv,"-none") == 0)
225 BIO_printf(bio_err,"unknown option '%s'\n",*argv);
227 BIO_printf(bio_err,"options are\n");
228 BIO_printf(bio_err,"%-14s input file\n","-in <file>");
229 BIO_printf(bio_err,"%-14s output fileencrypt\n","-out <file>");
230 BIO_printf(bio_err,"%-14s encrypt\n","-e");
231 BIO_printf(bio_err,"%-14s decrypt\n","-d");
232 BIO_printf(bio_err,"%-14s base64 encode/decode, depending on encryption flag\n","-a/-base64");
233 BIO_printf(bio_err,"%-14s key is the next argument\n","-k");
234 BIO_printf(bio_err,"%-14s key is the first line of the file argument\n","-kfile");
235 BIO_printf(bio_err,"%-14s key/iv in hex is the next argument\n","-K/-iv");
236 BIO_printf(bio_err,"%-14s print the iv/key (then exit if -P)\n","-[pP]");
237 BIO_printf(bio_err,"%-14s buffer size\n","-bufsize <n>");
239 BIO_printf(bio_err,"Cipher Types\n");
240 BIO_printf(bio_err,"des : 56 bit key DES encryption\n");
241 BIO_printf(bio_err,"des_ede :112 bit key ede DES encryption\n");
242 BIO_printf(bio_err,"des_ede3:168 bit key ede DES encryption\n");
244 BIO_printf(bio_err,"idea :128 bit key IDEA encryption\n");
247 BIO_printf(bio_err,"rc2 :128 bit key RC2 encryption\n");
250 BIO_printf(bio_err,"bf :128 bit key Blowfish encryption\n");
253 BIO_printf(bio_err," -%-5s :128 bit key RC4 encryption\n",
257 BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
258 LN_des_ecb,LN_des_cbc,
259 LN_des_cfb64,LN_des_ofb64);
260 BIO_printf(bio_err," -%-4s (%s)\n",
263 BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
264 LN_des_ede,LN_des_ede_cbc,
265 LN_des_ede_cfb64,LN_des_ede_ofb64);
266 BIO_printf(bio_err," -desx -none\n");
269 BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
270 LN_des_ede3,LN_des_ede3_cbc,
271 LN_des_ede3_cfb64,LN_des_ede3_ofb64);
272 BIO_printf(bio_err," -%-4s (%s)\n",
273 "des3", LN_des_ede3_cbc);
276 BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
277 LN_idea_ecb, LN_idea_cbc,
278 LN_idea_cfb64, LN_idea_ofb64);
279 BIO_printf(bio_err," -%-4s (%s)\n","idea",LN_idea_cbc);
282 BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
283 LN_rc2_ecb, LN_rc2_cbc,
284 LN_rc2_cfb64, LN_rc2_ofb64);
285 BIO_printf(bio_err," -%-4s (%s)\n","rc2", LN_rc2_cbc);
288 BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
289 LN_bf_ecb, LN_bf_cbc,
290 LN_bf_cfb64, LN_bf_ofb64);
291 BIO_printf(bio_err," -%-4s (%s)\n","bf", LN_bf_cbc);
294 BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
295 LN_cast5_ecb, LN_cast5_cbc,
296 LN_cast5_cfb64, LN_cast5_ofb64);
297 BIO_printf(bio_err," -%-4s (%s)\n","cast", LN_cast5_cbc);
300 BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
301 LN_rc5_ecb, LN_rc5_cbc,
302 LN_rc5_cfb64, LN_rc5_ofb64);
303 BIO_printf(bio_err," -%-4s (%s)\n","rc5", LN_rc5_cbc);
315 for (n=0; *bufsize; bufsize++)
318 if ((i <= '9') && (i >= '0'))
327 if (*bufsize != '\0')
329 BIO_printf(bio_err,"invalid 'bufsize' specified.\n");
333 /* It must be large enough for a base64 encoded line */
337 if (verbose) BIO_printf(bio_err,"bufsize=%d\n",bsize);
341 buff=(unsigned char *)Malloc(EVP_ENCODE_LENGTH(bsize));
342 if ((buff == NULL) || (strbuf == NULL))
344 BIO_printf(bio_err,"Malloc failure %ld\n",(long)EVP_ENCODE_LENGTH(bsize));
348 in=BIO_new(BIO_s_file());
349 out=BIO_new(BIO_s_file());
350 if ((in == NULL) || (out == NULL))
352 ERR_print_errors(bio_err);
357 BIO_set_callback(in,BIO_debug_callback);
358 BIO_set_callback(out,BIO_debug_callback);
359 BIO_set_callback_arg(in,bio_err);
360 BIO_set_callback_arg(out,bio_err);
364 BIO_set_fp(in,stdin,BIO_NOCLOSE);
367 if (BIO_read_filename(in,inf) <= 0)
374 if ((str == NULL) && (cipher != NULL) && (hkey == NULL))
380 sprintf(buf,"enter %s %s password:",
381 OBJ_nid2ln(EVP_CIPHER_nid(cipher)),
382 (enc)?"encryption":"decryption");
384 i=EVP_read_pw_string((char *)strbuf,SIZE,buf,enc);
387 if (strbuf[0] == '\0')
397 BIO_printf(bio_err,"bad password read\n");
405 BIO_set_fp(out,stdout,BIO_NOCLOSE);
408 if (BIO_write_filename(out,outf) <= 0)
420 if ((b64=BIO_new(BIO_f_base64())) == NULL)
424 BIO_set_callback(b64,BIO_debug_callback);
425 BIO_set_callback_arg(b64,bio_err);
428 BIO_set_flags(b64,BIO_FLAGS_BASE64_NO_NL);
430 wbio=BIO_push(b64,wbio);
432 rbio=BIO_push(b64,rbio);
439 /* Salt handling: if encrypting generate a salt and
440 * write to output BIO. If decrypting read salt from
444 if(nosalt) sptr = NULL;
448 if(!set_hex(hsalt,salt,PKCS5_SALT_LEN)) {
450 "invalid hex salt value\n");
453 } else if (RAND_pseudo_bytes(salt, PKCS5_SALT_LEN) < 0)
455 /* If -P option then don't bother writing */
457 && (BIO_write(wbio,magic,
458 sizeof magic-1) != sizeof magic-1
461 PKCS5_SALT_LEN) != PKCS5_SALT_LEN)) {
462 BIO_printf(bio_err,"error writing output file\n");
465 } else if(BIO_read(rbio,mbuf,sizeof mbuf) != sizeof mbuf
467 (unsigned char *)salt,
468 PKCS5_SALT_LEN) != PKCS5_SALT_LEN) {
469 BIO_printf(bio_err,"error reading input file\n");
471 } else if(memcmp(mbuf,magic,sizeof magic-1)) {
472 BIO_printf(bio_err,"bad magic number\n");
479 EVP_BytesToKey(cipher,EVP_md5(),sptr,
480 (unsigned char *)str,
481 strlen(str),1,key,iv);
482 /* zero the complete buffer or the string
483 * passed from the command line
485 * Larry J. Hughes Jr. <hughes@indiana.edu> */
489 memset(str,0,strlen(str));
491 if ((hiv != NULL) && !set_hex(hiv,iv,8))
493 BIO_printf(bio_err,"invalid hex iv value\n");
496 if ((hkey != NULL) && !set_hex(hkey,key,24))
498 BIO_printf(bio_err,"invalid hex key value\n");
502 if ((benc=BIO_new(BIO_f_cipher())) == NULL)
504 BIO_set_cipher(benc,cipher,key,iv,enc);
507 BIO_set_callback(benc,BIO_debug_callback);
508 BIO_set_callback_arg(benc,bio_err);
516 for (i=0; i<PKCS5_SALT_LEN; i++)
517 printf("%02X",salt[i]);
520 if (cipher->key_len > 0)
523 for (i=0; i<cipher->key_len; i++)
524 printf("%02X",key[i]);
527 if (cipher->iv_len > 0)
530 for (i=0; i<cipher->iv_len; i++)
531 printf("%02X",iv[i]);
542 /* Only encrypt/decrypt as we write the file */
544 wbio=BIO_push(benc,wbio);
548 inl=BIO_read(rbio,(char *)buff,bsize);
550 if (BIO_write(wbio,(char *)buff,inl) != inl)
552 BIO_printf(bio_err,"error writing output file\n");
556 if (!BIO_flush(wbio))
558 BIO_printf(bio_err,"bad decrypt\n");
565 BIO_printf(bio_err,"bytes read :%8ld\n",BIO_number_read(in));
566 BIO_printf(bio_err,"bytes written:%8ld\n",BIO_number_written(out));
569 ERR_print_errors(bio_err);
570 if (strbuf != NULL) Free(strbuf);
571 if (buff != NULL) Free(buff);
572 if (in != NULL) BIO_free(in);
573 if (out != NULL) BIO_free(out);
574 if (benc != NULL) BIO_free(benc);
575 if (b64 != NULL) BIO_free(b64);
579 int set_hex(char *in, unsigned char *out, int size)
587 BIO_printf(bio_err,"hex string is too long\n");
593 j=(unsigned char)*in;
596 if ((j >= '0') && (j <= '9'))
598 else if ((j >= 'A') && (j <= 'F'))
600 else if ((j >= 'a') && (j <= 'f'))
604 BIO_printf(bio_err,"non-hex digit\n");