xref: /freebsd/crypto/openssl/apps/enc.c (revision f579bf8ec7713035a231884db9958cdc4ff5d7cf)
174664626SKris Kennaway /* apps/enc.c */
274664626SKris Kennaway /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
374664626SKris Kennaway  * All rights reserved.
474664626SKris Kennaway  *
574664626SKris Kennaway  * This package is an SSL implementation written
674664626SKris Kennaway  * by Eric Young (eay@cryptsoft.com).
774664626SKris Kennaway  * The implementation was written so as to conform with Netscapes SSL.
874664626SKris Kennaway  *
974664626SKris Kennaway  * This library is free for commercial and non-commercial use as long as
1074664626SKris Kennaway  * the following conditions are aheared to.  The following conditions
1174664626SKris Kennaway  * apply to all code found in this distribution, be it the RC4, RSA,
1274664626SKris Kennaway  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
1374664626SKris Kennaway  * included with this distribution is covered by the same copyright terms
1474664626SKris Kennaway  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
1574664626SKris Kennaway  *
1674664626SKris Kennaway  * Copyright remains Eric Young's, and as such any Copyright notices in
1774664626SKris Kennaway  * the code are not to be removed.
1874664626SKris Kennaway  * If this package is used in a product, Eric Young should be given attribution
1974664626SKris Kennaway  * as the author of the parts of the library used.
2074664626SKris Kennaway  * This can be in the form of a textual message at program startup or
2174664626SKris Kennaway  * in documentation (online or textual) provided with the package.
2274664626SKris Kennaway  *
2374664626SKris Kennaway  * Redistribution and use in source and binary forms, with or without
2474664626SKris Kennaway  * modification, are permitted provided that the following conditions
2574664626SKris Kennaway  * are met:
2674664626SKris Kennaway  * 1. Redistributions of source code must retain the copyright
2774664626SKris Kennaway  *    notice, this list of conditions and the following disclaimer.
2874664626SKris Kennaway  * 2. Redistributions in binary form must reproduce the above copyright
2974664626SKris Kennaway  *    notice, this list of conditions and the following disclaimer in the
3074664626SKris Kennaway  *    documentation and/or other materials provided with the distribution.
3174664626SKris Kennaway  * 3. All advertising materials mentioning features or use of this software
3274664626SKris Kennaway  *    must display the following acknowledgement:
3374664626SKris Kennaway  *    "This product includes cryptographic software written by
3474664626SKris Kennaway  *     Eric Young (eay@cryptsoft.com)"
3574664626SKris Kennaway  *    The word 'cryptographic' can be left out if the rouines from the library
3674664626SKris Kennaway  *    being used are not cryptographic related :-).
3774664626SKris Kennaway  * 4. If you include any Windows specific code (or a derivative thereof) from
3874664626SKris Kennaway  *    the apps directory (application code) you must include an acknowledgement:
3974664626SKris Kennaway  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
4074664626SKris Kennaway  *
4174664626SKris Kennaway  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
4274664626SKris Kennaway  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
4374664626SKris Kennaway  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
4474664626SKris Kennaway  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
4574664626SKris Kennaway  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
4674664626SKris Kennaway  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
4774664626SKris Kennaway  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
4874664626SKris Kennaway  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
4974664626SKris Kennaway  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
5074664626SKris Kennaway  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
5174664626SKris Kennaway  * SUCH DAMAGE.
5274664626SKris Kennaway  *
5374664626SKris Kennaway  * The licence and distribution terms for any publically available version or
5474664626SKris Kennaway  * derivative of this code cannot be changed.  i.e. this code cannot simply be
5574664626SKris Kennaway  * copied and put under another distribution licence
5674664626SKris Kennaway  * [including the GNU Public Licence.]
5774664626SKris Kennaway  */
5874664626SKris Kennaway 
5974664626SKris Kennaway #include <stdio.h>
6074664626SKris Kennaway #include <stdlib.h>
6174664626SKris Kennaway #include <string.h>
6274664626SKris Kennaway #include "apps.h"
6374664626SKris Kennaway #include <openssl/bio.h>
6474664626SKris Kennaway #include <openssl/err.h>
6574664626SKris Kennaway #include <openssl/evp.h>
6674664626SKris Kennaway #include <openssl/objects.h>
6774664626SKris Kennaway #include <openssl/x509.h>
68f579bf8eSKris Kennaway #include <openssl/rand.h>
6974664626SKris Kennaway #ifndef NO_MD5
7074664626SKris Kennaway #include <openssl/md5.h>
7174664626SKris Kennaway #endif
7274664626SKris Kennaway #include <openssl/pem.h>
7374664626SKris Kennaway 
7474664626SKris Kennaway int set_hex(char *in,unsigned char *out,int size);
7574664626SKris Kennaway #undef SIZE
7674664626SKris Kennaway #undef BSIZE
7774664626SKris Kennaway #undef PROG
7874664626SKris Kennaway 
7974664626SKris Kennaway #define SIZE	(512)
8074664626SKris Kennaway #define BSIZE	(8*1024)
8174664626SKris Kennaway #define	PROG	enc_main
8274664626SKris Kennaway 
83f579bf8eSKris Kennaway int MAIN(int, char **);
84f579bf8eSKris Kennaway 
8574664626SKris Kennaway int MAIN(int argc, char **argv)
8674664626SKris Kennaway 	{
87f579bf8eSKris Kennaway 	static const char magic[]="Salted__";
88f579bf8eSKris Kennaway 	char mbuf[8];	/* should be 1 smaller than magic */
8974664626SKris Kennaway 	char *strbuf=NULL;
9074664626SKris Kennaway 	unsigned char *buff=NULL,*bufsize=NULL;
9174664626SKris Kennaway 	int bsize=BSIZE,verbose=0;
9274664626SKris Kennaway 	int ret=1,inl;
9374664626SKris Kennaway 	unsigned char key[24],iv[MD5_DIGEST_LENGTH];
94f579bf8eSKris Kennaway 	unsigned char salt[PKCS5_SALT_LEN];
95f579bf8eSKris Kennaway 	char *str=NULL, *passarg = NULL, *pass = NULL;
96f579bf8eSKris Kennaway 	char *hkey=NULL,*hiv=NULL,*hsalt = NULL;
9774664626SKris Kennaway 	int enc=1,printkey=0,i,base64=0;
98f579bf8eSKris Kennaway 	int debug=0,olb64=0,nosalt=0;
9974664626SKris Kennaway 	const EVP_CIPHER *cipher=NULL,*c;
10074664626SKris Kennaway 	char *inf=NULL,*outf=NULL;
10174664626SKris Kennaway 	BIO *in=NULL,*out=NULL,*b64=NULL,*benc=NULL,*rbio=NULL,*wbio=NULL;
10274664626SKris Kennaway #define PROG_NAME_SIZE  16
10374664626SKris Kennaway 	char pname[PROG_NAME_SIZE];
10474664626SKris Kennaway 
10574664626SKris Kennaway 	apps_startup();
10674664626SKris Kennaway 
10774664626SKris Kennaway 	if (bio_err == NULL)
10874664626SKris Kennaway 		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
10974664626SKris Kennaway 			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
11074664626SKris Kennaway 
11174664626SKris Kennaway 	/* first check the program name */
11274664626SKris Kennaway 	program_name(argv[0],pname,PROG_NAME_SIZE);
11374664626SKris Kennaway 	if (strcmp(pname,"base64") == 0)
11474664626SKris Kennaway 		base64=1;
11574664626SKris Kennaway 
11674664626SKris Kennaway 	cipher=EVP_get_cipherbyname(pname);
11774664626SKris Kennaway 	if (!base64 && (cipher == NULL) && (strcmp(pname,"enc") != 0))
11874664626SKris Kennaway 		{
11974664626SKris Kennaway 		BIO_printf(bio_err,"%s is an unknown cipher\n",pname);
12074664626SKris Kennaway 		goto bad;
12174664626SKris Kennaway 		}
12274664626SKris Kennaway 
12374664626SKris Kennaway 	argc--;
12474664626SKris Kennaway 	argv++;
12574664626SKris Kennaway 	while (argc >= 1)
12674664626SKris Kennaway 		{
12774664626SKris Kennaway 		if	(strcmp(*argv,"-e") == 0)
12874664626SKris Kennaway 			enc=1;
12974664626SKris Kennaway 		else if (strcmp(*argv,"-in") == 0)
13074664626SKris Kennaway 			{
13174664626SKris Kennaway 			if (--argc < 1) goto bad;
13274664626SKris Kennaway 			inf= *(++argv);
13374664626SKris Kennaway 			}
13474664626SKris Kennaway 		else if (strcmp(*argv,"-out") == 0)
13574664626SKris Kennaway 			{
13674664626SKris Kennaway 			if (--argc < 1) goto bad;
13774664626SKris Kennaway 			outf= *(++argv);
13874664626SKris Kennaway 			}
139f579bf8eSKris Kennaway 		else if (strcmp(*argv,"-pass") == 0)
140f579bf8eSKris Kennaway 			{
141f579bf8eSKris Kennaway 			if (--argc < 1) goto bad;
142f579bf8eSKris Kennaway 			passarg= *(++argv);
143f579bf8eSKris Kennaway 			}
14474664626SKris Kennaway 		else if	(strcmp(*argv,"-d") == 0)
14574664626SKris Kennaway 			enc=0;
14674664626SKris Kennaway 		else if	(strcmp(*argv,"-p") == 0)
14774664626SKris Kennaway 			printkey=1;
14874664626SKris Kennaway 		else if	(strcmp(*argv,"-v") == 0)
14974664626SKris Kennaway 			verbose=1;
150f579bf8eSKris Kennaway 		else if	(strcmp(*argv,"-salt") == 0)
151f579bf8eSKris Kennaway 			nosalt=0;
152f579bf8eSKris Kennaway 		else if	(strcmp(*argv,"-nosalt") == 0)
153f579bf8eSKris Kennaway 			nosalt=1;
154f579bf8eSKris Kennaway 		else if	(strcmp(*argv,"-debug") == 0)
15574664626SKris Kennaway 			debug=1;
15674664626SKris Kennaway 		else if	(strcmp(*argv,"-P") == 0)
15774664626SKris Kennaway 			printkey=2;
15874664626SKris Kennaway 		else if	(strcmp(*argv,"-A") == 0)
15974664626SKris Kennaway 			olb64=1;
16074664626SKris Kennaway 		else if	(strcmp(*argv,"-a") == 0)
16174664626SKris Kennaway 			base64=1;
16274664626SKris Kennaway 		else if	(strcmp(*argv,"-base64") == 0)
16374664626SKris Kennaway 			base64=1;
16474664626SKris Kennaway 		else if (strcmp(*argv,"-bufsize") == 0)
16574664626SKris Kennaway 			{
16674664626SKris Kennaway 			if (--argc < 1) goto bad;
16774664626SKris Kennaway 			bufsize=(unsigned char *)*(++argv);
16874664626SKris Kennaway 			}
16974664626SKris Kennaway 		else if (strcmp(*argv,"-k") == 0)
17074664626SKris Kennaway 			{
17174664626SKris Kennaway 			if (--argc < 1) goto bad;
17274664626SKris Kennaway 			str= *(++argv);
17374664626SKris Kennaway 			}
17474664626SKris Kennaway 		else if (strcmp(*argv,"-kfile") == 0)
17574664626SKris Kennaway 			{
17674664626SKris Kennaway 			static char buf[128];
17774664626SKris Kennaway 			FILE *infile;
17874664626SKris Kennaway 			char *file;
17974664626SKris Kennaway 
18074664626SKris Kennaway 			if (--argc < 1) goto bad;
18174664626SKris Kennaway 			file= *(++argv);
18274664626SKris Kennaway 			infile=fopen(file,"r");
18374664626SKris Kennaway 			if (infile == NULL)
18474664626SKris Kennaway 				{
18574664626SKris Kennaway 				BIO_printf(bio_err,"unable to read key from '%s'\n",
18674664626SKris Kennaway 					file);
18774664626SKris Kennaway 				goto bad;
18874664626SKris Kennaway 				}
18974664626SKris Kennaway 			buf[0]='\0';
19074664626SKris Kennaway 			fgets(buf,128,infile);
19174664626SKris Kennaway 			fclose(infile);
19274664626SKris Kennaway 			i=strlen(buf);
19374664626SKris Kennaway 			if ((i > 0) &&
19474664626SKris Kennaway 				((buf[i-1] == '\n') || (buf[i-1] == '\r')))
19574664626SKris Kennaway 				buf[--i]='\0';
19674664626SKris Kennaway 			if ((i > 0) &&
19774664626SKris Kennaway 				((buf[i-1] == '\n') || (buf[i-1] == '\r')))
19874664626SKris Kennaway 				buf[--i]='\0';
19974664626SKris Kennaway 			if (i < 1)
20074664626SKris Kennaway 				{
20174664626SKris Kennaway 				BIO_printf(bio_err,"zero length password\n");
20274664626SKris Kennaway 				goto bad;
20374664626SKris Kennaway 				}
20474664626SKris Kennaway 			str=buf;
20574664626SKris Kennaway 			}
20674664626SKris Kennaway 		else if (strcmp(*argv,"-K") == 0)
20774664626SKris Kennaway 			{
20874664626SKris Kennaway 			if (--argc < 1) goto bad;
20974664626SKris Kennaway 			hkey= *(++argv);
21074664626SKris Kennaway 			}
211f579bf8eSKris Kennaway 		else if (strcmp(*argv,"-S") == 0)
212f579bf8eSKris Kennaway 			{
213f579bf8eSKris Kennaway 			if (--argc < 1) goto bad;
214f579bf8eSKris Kennaway 			hsalt= *(++argv);
215f579bf8eSKris Kennaway 			}
21674664626SKris Kennaway 		else if (strcmp(*argv,"-iv") == 0)
21774664626SKris Kennaway 			{
21874664626SKris Kennaway 			if (--argc < 1) goto bad;
21974664626SKris Kennaway 			hiv= *(++argv);
22074664626SKris Kennaway 			}
22174664626SKris Kennaway 		else if	((argv[0][0] == '-') &&
22274664626SKris Kennaway 			((c=EVP_get_cipherbyname(&(argv[0][1]))) != NULL))
22374664626SKris Kennaway 			{
22474664626SKris Kennaway 			cipher=c;
22574664626SKris Kennaway 			}
22674664626SKris Kennaway 		else if (strcmp(*argv,"-none") == 0)
22774664626SKris Kennaway 			cipher=NULL;
22874664626SKris Kennaway 		else
22974664626SKris Kennaway 			{
23074664626SKris Kennaway 			BIO_printf(bio_err,"unknown option '%s'\n",*argv);
23174664626SKris Kennaway bad:
23274664626SKris Kennaway 			BIO_printf(bio_err,"options are\n");
23374664626SKris Kennaway 			BIO_printf(bio_err,"%-14s input file\n","-in <file>");
234f579bf8eSKris Kennaway 			BIO_printf(bio_err,"%-14s output file\n","-out <file>");
235f579bf8eSKris Kennaway 			BIO_printf(bio_err,"%-14s pass phrase source\n","-pass <arg>");
23674664626SKris Kennaway 			BIO_printf(bio_err,"%-14s encrypt\n","-e");
23774664626SKris Kennaway 			BIO_printf(bio_err,"%-14s decrypt\n","-d");
23874664626SKris Kennaway 			BIO_printf(bio_err,"%-14s base64 encode/decode, depending on encryption flag\n","-a/-base64");
23974664626SKris Kennaway 			BIO_printf(bio_err,"%-14s key is the next argument\n","-k");
24074664626SKris Kennaway 			BIO_printf(bio_err,"%-14s key is the first line of the file argument\n","-kfile");
24174664626SKris Kennaway 			BIO_printf(bio_err,"%-14s key/iv in hex is the next argument\n","-K/-iv");
24274664626SKris Kennaway 			BIO_printf(bio_err,"%-14s print the iv/key (then exit if -P)\n","-[pP]");
24374664626SKris Kennaway 			BIO_printf(bio_err,"%-14s buffer size\n","-bufsize <n>");
24474664626SKris Kennaway 
24574664626SKris Kennaway 			BIO_printf(bio_err,"Cipher Types\n");
24674664626SKris Kennaway 			BIO_printf(bio_err,"des     : 56 bit key DES encryption\n");
24774664626SKris Kennaway 			BIO_printf(bio_err,"des_ede :112 bit key ede DES encryption\n");
24874664626SKris Kennaway 			BIO_printf(bio_err,"des_ede3:168 bit key ede DES encryption\n");
24974664626SKris Kennaway #ifndef NO_IDEA
25074664626SKris Kennaway 			BIO_printf(bio_err,"idea    :128 bit key IDEA encryption\n");
25174664626SKris Kennaway #endif
25274664626SKris Kennaway #ifndef NO_RC4
25374664626SKris Kennaway 			BIO_printf(bio_err,"rc2     :128 bit key RC2 encryption\n");
25474664626SKris Kennaway #endif
25574664626SKris Kennaway #ifndef NO_BF
256f579bf8eSKris Kennaway 			BIO_printf(bio_err,"bf      :128 bit key Blowfish encryption\n");
25774664626SKris Kennaway #endif
25874664626SKris Kennaway #ifndef NO_RC4
25974664626SKris Kennaway 			BIO_printf(bio_err," -%-5s :128 bit key RC4 encryption\n",
26074664626SKris Kennaway 				LN_rc4);
26174664626SKris Kennaway #endif
26274664626SKris Kennaway 
26374664626SKris Kennaway 			BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
26474664626SKris Kennaway 				LN_des_ecb,LN_des_cbc,
26574664626SKris Kennaway 				LN_des_cfb64,LN_des_ofb64);
26674664626SKris Kennaway 			BIO_printf(bio_err," -%-4s (%s)\n",
26774664626SKris Kennaway 				"des", LN_des_cbc);
26874664626SKris Kennaway 
26974664626SKris Kennaway 			BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
27074664626SKris Kennaway 				LN_des_ede,LN_des_ede_cbc,
27174664626SKris Kennaway 				LN_des_ede_cfb64,LN_des_ede_ofb64);
27274664626SKris Kennaway 			BIO_printf(bio_err," -desx -none\n");
27374664626SKris Kennaway 
27474664626SKris Kennaway 
27574664626SKris Kennaway 			BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
27674664626SKris Kennaway 				LN_des_ede3,LN_des_ede3_cbc,
27774664626SKris Kennaway 				LN_des_ede3_cfb64,LN_des_ede3_ofb64);
27874664626SKris Kennaway 			BIO_printf(bio_err," -%-4s (%s)\n",
27974664626SKris Kennaway 				"des3", LN_des_ede3_cbc);
28074664626SKris Kennaway 
28174664626SKris Kennaway #ifndef NO_IDEA
28274664626SKris Kennaway 			BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
28374664626SKris Kennaway 				LN_idea_ecb, LN_idea_cbc,
28474664626SKris Kennaway 				LN_idea_cfb64, LN_idea_ofb64);
28574664626SKris Kennaway 			BIO_printf(bio_err," -%-4s (%s)\n","idea",LN_idea_cbc);
28674664626SKris Kennaway #endif
28774664626SKris Kennaway #ifndef NO_RC2
28874664626SKris Kennaway 			BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
28974664626SKris Kennaway 				LN_rc2_ecb, LN_rc2_cbc,
29074664626SKris Kennaway 				LN_rc2_cfb64, LN_rc2_ofb64);
29174664626SKris Kennaway 			BIO_printf(bio_err," -%-4s (%s)\n","rc2", LN_rc2_cbc);
29274664626SKris Kennaway #endif
29374664626SKris Kennaway #ifndef NO_BF
29474664626SKris Kennaway 			BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
29574664626SKris Kennaway 				LN_bf_ecb, LN_bf_cbc,
29674664626SKris Kennaway 				LN_bf_cfb64, LN_bf_ofb64);
29774664626SKris Kennaway 			BIO_printf(bio_err," -%-4s (%s)\n","bf", LN_bf_cbc);
29874664626SKris Kennaway #endif
29974664626SKris Kennaway #ifndef NO_CAST
30074664626SKris Kennaway 			BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
30174664626SKris Kennaway 				LN_cast5_ecb, LN_cast5_cbc,
30274664626SKris Kennaway 				LN_cast5_cfb64, LN_cast5_ofb64);
30374664626SKris Kennaway 			BIO_printf(bio_err," -%-4s (%s)\n","cast", LN_cast5_cbc);
30474664626SKris Kennaway #endif
30574664626SKris Kennaway #ifndef NO_RC5
30674664626SKris Kennaway 			BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
30774664626SKris Kennaway 				LN_rc5_ecb, LN_rc5_cbc,
30874664626SKris Kennaway 				LN_rc5_cfb64, LN_rc5_ofb64);
30974664626SKris Kennaway 			BIO_printf(bio_err," -%-4s (%s)\n","rc5", LN_rc5_cbc);
31074664626SKris Kennaway #endif
31174664626SKris Kennaway 			goto end;
31274664626SKris Kennaway 			}
31374664626SKris Kennaway 		argc--;
31474664626SKris Kennaway 		argv++;
31574664626SKris Kennaway 		}
31674664626SKris Kennaway 
31774664626SKris Kennaway 	if (bufsize != NULL)
31874664626SKris Kennaway 		{
31974664626SKris Kennaway 		unsigned long n;
32074664626SKris Kennaway 
32174664626SKris Kennaway 		for (n=0; *bufsize; bufsize++)
32274664626SKris Kennaway 			{
32374664626SKris Kennaway 			i= *bufsize;
32474664626SKris Kennaway 			if ((i <= '9') && (i >= '0'))
32574664626SKris Kennaway 				n=n*10+i-'0';
32674664626SKris Kennaway 			else if (i == 'k')
32774664626SKris Kennaway 				{
32874664626SKris Kennaway 				n*=1024;
32974664626SKris Kennaway 				bufsize++;
33074664626SKris Kennaway 				break;
33174664626SKris Kennaway 				}
33274664626SKris Kennaway 			}
33374664626SKris Kennaway 		if (*bufsize != '\0')
33474664626SKris Kennaway 			{
33574664626SKris Kennaway 			BIO_printf(bio_err,"invalid 'bufsize' specified.\n");
33674664626SKris Kennaway 			goto end;
33774664626SKris Kennaway 			}
33874664626SKris Kennaway 
33974664626SKris Kennaway 		/* It must be large enough for a base64 encoded line */
34074664626SKris Kennaway 		if (n < 80) n=80;
34174664626SKris Kennaway 
34274664626SKris Kennaway 		bsize=(int)n;
34374664626SKris Kennaway 		if (verbose) BIO_printf(bio_err,"bufsize=%d\n",bsize);
34474664626SKris Kennaway 		}
34574664626SKris Kennaway 
34674664626SKris Kennaway 	strbuf=Malloc(SIZE);
34774664626SKris Kennaway 	buff=(unsigned char *)Malloc(EVP_ENCODE_LENGTH(bsize));
34874664626SKris Kennaway 	if ((buff == NULL) || (strbuf == NULL))
34974664626SKris Kennaway 		{
35074664626SKris Kennaway 		BIO_printf(bio_err,"Malloc failure %ld\n",(long)EVP_ENCODE_LENGTH(bsize));
35174664626SKris Kennaway 		goto end;
35274664626SKris Kennaway 		}
35374664626SKris Kennaway 
35474664626SKris Kennaway 	in=BIO_new(BIO_s_file());
35574664626SKris Kennaway 	out=BIO_new(BIO_s_file());
35674664626SKris Kennaway 	if ((in == NULL) || (out == NULL))
35774664626SKris Kennaway 		{
35874664626SKris Kennaway 		ERR_print_errors(bio_err);
35974664626SKris Kennaway 		goto end;
36074664626SKris Kennaway 		}
36174664626SKris Kennaway 	if (debug)
36274664626SKris Kennaway 		{
36374664626SKris Kennaway 		BIO_set_callback(in,BIO_debug_callback);
36474664626SKris Kennaway 		BIO_set_callback(out,BIO_debug_callback);
36574664626SKris Kennaway 		BIO_set_callback_arg(in,bio_err);
36674664626SKris Kennaway 		BIO_set_callback_arg(out,bio_err);
36774664626SKris Kennaway 		}
36874664626SKris Kennaway 
36974664626SKris Kennaway 	if (inf == NULL)
37074664626SKris Kennaway 		BIO_set_fp(in,stdin,BIO_NOCLOSE);
37174664626SKris Kennaway 	else
37274664626SKris Kennaway 		{
37374664626SKris Kennaway 		if (BIO_read_filename(in,inf) <= 0)
37474664626SKris Kennaway 			{
37574664626SKris Kennaway 			perror(inf);
37674664626SKris Kennaway 			goto end;
37774664626SKris Kennaway 			}
37874664626SKris Kennaway 		}
37974664626SKris Kennaway 
380f579bf8eSKris Kennaway 	if(!str && passarg) {
381f579bf8eSKris Kennaway 		if(!app_passwd(bio_err, passarg, NULL, &pass, NULL)) {
382f579bf8eSKris Kennaway 			BIO_printf(bio_err, "Error getting password\n");
383f579bf8eSKris Kennaway 			goto end;
384f579bf8eSKris Kennaway 		}
385f579bf8eSKris Kennaway 		str = pass;
386f579bf8eSKris Kennaway 	}
387f579bf8eSKris Kennaway 
38874664626SKris Kennaway 	if ((str == NULL) && (cipher != NULL) && (hkey == NULL))
38974664626SKris Kennaway 		{
39074664626SKris Kennaway 		for (;;)
39174664626SKris Kennaway 			{
39274664626SKris Kennaway 			char buf[200];
39374664626SKris Kennaway 
39474664626SKris Kennaway 			sprintf(buf,"enter %s %s password:",
39574664626SKris Kennaway 				OBJ_nid2ln(EVP_CIPHER_nid(cipher)),
39674664626SKris Kennaway 				(enc)?"encryption":"decryption");
39774664626SKris Kennaway 			strbuf[0]='\0';
39874664626SKris Kennaway 			i=EVP_read_pw_string((char *)strbuf,SIZE,buf,enc);
39974664626SKris Kennaway 			if (i == 0)
40074664626SKris Kennaway 				{
40174664626SKris Kennaway 				if (strbuf[0] == '\0')
40274664626SKris Kennaway 					{
40374664626SKris Kennaway 					ret=1;
40474664626SKris Kennaway 					goto end;
40574664626SKris Kennaway 					}
40674664626SKris Kennaway 				str=strbuf;
40774664626SKris Kennaway 				break;
40874664626SKris Kennaway 				}
40974664626SKris Kennaway 			if (i < 0)
41074664626SKris Kennaway 				{
41174664626SKris Kennaway 				BIO_printf(bio_err,"bad password read\n");
41274664626SKris Kennaway 				goto end;
41374664626SKris Kennaway 				}
41474664626SKris Kennaway 			}
41574664626SKris Kennaway 		}
41674664626SKris Kennaway 
41774664626SKris Kennaway 
41874664626SKris Kennaway 	if (outf == NULL)
41974664626SKris Kennaway 		BIO_set_fp(out,stdout,BIO_NOCLOSE);
42074664626SKris Kennaway 	else
42174664626SKris Kennaway 		{
42274664626SKris Kennaway 		if (BIO_write_filename(out,outf) <= 0)
42374664626SKris Kennaway 			{
42474664626SKris Kennaway 			perror(outf);
42574664626SKris Kennaway 			goto end;
42674664626SKris Kennaway 			}
42774664626SKris Kennaway 		}
42874664626SKris Kennaway 
42974664626SKris Kennaway 	rbio=in;
43074664626SKris Kennaway 	wbio=out;
43174664626SKris Kennaway 
43274664626SKris Kennaway 	if (base64)
43374664626SKris Kennaway 		{
43474664626SKris Kennaway 		if ((b64=BIO_new(BIO_f_base64())) == NULL)
43574664626SKris Kennaway 			goto end;
43674664626SKris Kennaway 		if (debug)
43774664626SKris Kennaway 			{
43874664626SKris Kennaway 			BIO_set_callback(b64,BIO_debug_callback);
43974664626SKris Kennaway 			BIO_set_callback_arg(b64,bio_err);
44074664626SKris Kennaway 			}
44174664626SKris Kennaway 		if (olb64)
44274664626SKris Kennaway 			BIO_set_flags(b64,BIO_FLAGS_BASE64_NO_NL);
44374664626SKris Kennaway 		if (enc)
44474664626SKris Kennaway 			wbio=BIO_push(b64,wbio);
44574664626SKris Kennaway 		else
44674664626SKris Kennaway 			rbio=BIO_push(b64,rbio);
44774664626SKris Kennaway 		}
44874664626SKris Kennaway 
449f579bf8eSKris Kennaway 	if (cipher != NULL)
450f579bf8eSKris Kennaway 		{
451f579bf8eSKris Kennaway 		if (str != NULL)
452f579bf8eSKris Kennaway 			{
453f579bf8eSKris Kennaway 			/* Salt handling: if encrypting generate a salt and
454f579bf8eSKris Kennaway 			 * write to output BIO. If decrypting read salt from
455f579bf8eSKris Kennaway 			 * input BIO.
456f579bf8eSKris Kennaway 			 */
457f579bf8eSKris Kennaway 			unsigned char *sptr;
458f579bf8eSKris Kennaway 			if(nosalt) sptr = NULL;
459f579bf8eSKris Kennaway 			else {
460f579bf8eSKris Kennaway 				if(enc) {
461f579bf8eSKris Kennaway 					if(hsalt) {
462f579bf8eSKris Kennaway 						if(!set_hex(hsalt,salt,PKCS5_SALT_LEN)) {
463f579bf8eSKris Kennaway 							BIO_printf(bio_err,
464f579bf8eSKris Kennaway 								"invalid hex salt value\n");
465f579bf8eSKris Kennaway 							goto end;
466f579bf8eSKris Kennaway 						}
467f579bf8eSKris Kennaway 					} else if (RAND_pseudo_bytes(salt, PKCS5_SALT_LEN) < 0)
468f579bf8eSKris Kennaway 						goto end;
469f579bf8eSKris Kennaway 					/* If -P option then don't bother writing */
470f579bf8eSKris Kennaway 					if((printkey != 2)
471f579bf8eSKris Kennaway 					   && (BIO_write(wbio,magic,
472f579bf8eSKris Kennaway 							 sizeof magic-1) != sizeof magic-1
473f579bf8eSKris Kennaway 					       || BIO_write(wbio,
474f579bf8eSKris Kennaway 							    (char *)salt,
475f579bf8eSKris Kennaway 							    PKCS5_SALT_LEN) != PKCS5_SALT_LEN)) {
476f579bf8eSKris Kennaway 						BIO_printf(bio_err,"error writing output file\n");
477f579bf8eSKris Kennaway 						goto end;
478f579bf8eSKris Kennaway 					}
479f579bf8eSKris Kennaway 				} else if(BIO_read(rbio,mbuf,sizeof mbuf) != sizeof mbuf
480f579bf8eSKris Kennaway 					  || BIO_read(rbio,
481f579bf8eSKris Kennaway 						      (unsigned char *)salt,
482f579bf8eSKris Kennaway 				    PKCS5_SALT_LEN) != PKCS5_SALT_LEN) {
483f579bf8eSKris Kennaway 					BIO_printf(bio_err,"error reading input file\n");
484f579bf8eSKris Kennaway 					goto end;
485f579bf8eSKris Kennaway 				} else if(memcmp(mbuf,magic,sizeof magic-1)) {
486f579bf8eSKris Kennaway 				    BIO_printf(bio_err,"bad magic number\n");
487f579bf8eSKris Kennaway 				    goto end;
488f579bf8eSKris Kennaway 				}
489f579bf8eSKris Kennaway 
490f579bf8eSKris Kennaway 				sptr = salt;
491f579bf8eSKris Kennaway 			}
492f579bf8eSKris Kennaway 
493f579bf8eSKris Kennaway 			EVP_BytesToKey(cipher,EVP_md5(),sptr,
494f579bf8eSKris Kennaway 				(unsigned char *)str,
495f579bf8eSKris Kennaway 				strlen(str),1,key,iv);
496f579bf8eSKris Kennaway 			/* zero the complete buffer or the string
497f579bf8eSKris Kennaway 			 * passed from the command line
498f579bf8eSKris Kennaway 			 * bug picked up by
499f579bf8eSKris Kennaway 			 * Larry J. Hughes Jr. <hughes@indiana.edu> */
500f579bf8eSKris Kennaway 			if (str == strbuf)
501f579bf8eSKris Kennaway 				memset(str,0,SIZE);
502f579bf8eSKris Kennaway 			else
503f579bf8eSKris Kennaway 				memset(str,0,strlen(str));
504f579bf8eSKris Kennaway 			}
505f579bf8eSKris Kennaway 		if ((hiv != NULL) && !set_hex(hiv,iv,8))
506f579bf8eSKris Kennaway 			{
507f579bf8eSKris Kennaway 			BIO_printf(bio_err,"invalid hex iv value\n");
508f579bf8eSKris Kennaway 			goto end;
509f579bf8eSKris Kennaway 			}
510f579bf8eSKris Kennaway 		if ((hkey != NULL) && !set_hex(hkey,key,24))
511f579bf8eSKris Kennaway 			{
512f579bf8eSKris Kennaway 			BIO_printf(bio_err,"invalid hex key value\n");
513f579bf8eSKris Kennaway 			goto end;
514f579bf8eSKris Kennaway 			}
515f579bf8eSKris Kennaway 
516f579bf8eSKris Kennaway 		if ((benc=BIO_new(BIO_f_cipher())) == NULL)
517f579bf8eSKris Kennaway 			goto end;
518f579bf8eSKris Kennaway 		BIO_set_cipher(benc,cipher,key,iv,enc);
519f579bf8eSKris Kennaway 		if (debug)
520f579bf8eSKris Kennaway 			{
521f579bf8eSKris Kennaway 			BIO_set_callback(benc,BIO_debug_callback);
522f579bf8eSKris Kennaway 			BIO_set_callback_arg(benc,bio_err);
523f579bf8eSKris Kennaway 			}
524f579bf8eSKris Kennaway 
525f579bf8eSKris Kennaway 		if (printkey)
526f579bf8eSKris Kennaway 			{
527f579bf8eSKris Kennaway 			if (!nosalt)
528f579bf8eSKris Kennaway 				{
529f579bf8eSKris Kennaway 				printf("salt=");
530f579bf8eSKris Kennaway 				for (i=0; i<PKCS5_SALT_LEN; i++)
531f579bf8eSKris Kennaway 					printf("%02X",salt[i]);
532f579bf8eSKris Kennaway 				printf("\n");
533f579bf8eSKris Kennaway 				}
534f579bf8eSKris Kennaway 			if (cipher->key_len > 0)
535f579bf8eSKris Kennaway 				{
536f579bf8eSKris Kennaway 				printf("key=");
537f579bf8eSKris Kennaway 				for (i=0; i<cipher->key_len; i++)
538f579bf8eSKris Kennaway 					printf("%02X",key[i]);
539f579bf8eSKris Kennaway 				printf("\n");
540f579bf8eSKris Kennaway 				}
541f579bf8eSKris Kennaway 			if (cipher->iv_len > 0)
542f579bf8eSKris Kennaway 				{
543f579bf8eSKris Kennaway 				printf("iv =");
544f579bf8eSKris Kennaway 				for (i=0; i<cipher->iv_len; i++)
545f579bf8eSKris Kennaway 					printf("%02X",iv[i]);
546f579bf8eSKris Kennaway 				printf("\n");
547f579bf8eSKris Kennaway 				}
548f579bf8eSKris Kennaway 			if (printkey == 2)
549f579bf8eSKris Kennaway 				{
550f579bf8eSKris Kennaway 				ret=0;
551f579bf8eSKris Kennaway 				goto end;
552f579bf8eSKris Kennaway 				}
553f579bf8eSKris Kennaway 			}
554f579bf8eSKris Kennaway 		}
555f579bf8eSKris Kennaway 
55674664626SKris Kennaway 	/* Only encrypt/decrypt as we write the file */
55774664626SKris Kennaway 	if (benc != NULL)
55874664626SKris Kennaway 		wbio=BIO_push(benc,wbio);
55974664626SKris Kennaway 
56074664626SKris Kennaway 	for (;;)
56174664626SKris Kennaway 		{
56274664626SKris Kennaway 		inl=BIO_read(rbio,(char *)buff,bsize);
56374664626SKris Kennaway 		if (inl <= 0) break;
56474664626SKris Kennaway 		if (BIO_write(wbio,(char *)buff,inl) != inl)
56574664626SKris Kennaway 			{
56674664626SKris Kennaway 			BIO_printf(bio_err,"error writing output file\n");
56774664626SKris Kennaway 			goto end;
56874664626SKris Kennaway 			}
56974664626SKris Kennaway 		}
57074664626SKris Kennaway 	if (!BIO_flush(wbio))
57174664626SKris Kennaway 		{
57274664626SKris Kennaway 		BIO_printf(bio_err,"bad decrypt\n");
57374664626SKris Kennaway 		goto end;
57474664626SKris Kennaway 		}
57574664626SKris Kennaway 
57674664626SKris Kennaway 	ret=0;
57774664626SKris Kennaway 	if (verbose)
57874664626SKris Kennaway 		{
57974664626SKris Kennaway 		BIO_printf(bio_err,"bytes read   :%8ld\n",BIO_number_read(in));
58074664626SKris Kennaway 		BIO_printf(bio_err,"bytes written:%8ld\n",BIO_number_written(out));
58174664626SKris Kennaway 		}
58274664626SKris Kennaway end:
583f579bf8eSKris Kennaway 	ERR_print_errors(bio_err);
58474664626SKris Kennaway 	if (strbuf != NULL) Free(strbuf);
58574664626SKris Kennaway 	if (buff != NULL) Free(buff);
58674664626SKris Kennaway 	if (in != NULL) BIO_free(in);
58774664626SKris Kennaway 	if (out != NULL) BIO_free(out);
58874664626SKris Kennaway 	if (benc != NULL) BIO_free(benc);
58974664626SKris Kennaway 	if (b64 != NULL) BIO_free(b64);
590f579bf8eSKris Kennaway 	if(pass) Free(pass);
59174664626SKris Kennaway 	EXIT(ret);
59274664626SKris Kennaway 	}
59374664626SKris Kennaway 
59474664626SKris Kennaway int set_hex(char *in, unsigned char *out, int size)
59574664626SKris Kennaway 	{
59674664626SKris Kennaway 	int i,n;
59774664626SKris Kennaway 	unsigned char j;
59874664626SKris Kennaway 
59974664626SKris Kennaway 	n=strlen(in);
60074664626SKris Kennaway 	if (n > (size*2))
60174664626SKris Kennaway 		{
60274664626SKris Kennaway 		BIO_printf(bio_err,"hex string is too long\n");
60374664626SKris Kennaway 		return(0);
60474664626SKris Kennaway 		}
60574664626SKris Kennaway 	memset(out,0,size);
60674664626SKris Kennaway 	for (i=0; i<n; i++)
60774664626SKris Kennaway 		{
60874664626SKris Kennaway 		j=(unsigned char)*in;
60974664626SKris Kennaway 		*(in++)='\0';
61074664626SKris Kennaway 		if (j == 0) break;
61174664626SKris Kennaway 		if ((j >= '0') && (j <= '9'))
61274664626SKris Kennaway 			j-='0';
61374664626SKris Kennaway 		else if ((j >= 'A') && (j <= 'F'))
61474664626SKris Kennaway 			j=j-'A'+10;
61574664626SKris Kennaway 		else if ((j >= 'a') && (j <= 'f'))
61674664626SKris Kennaway 			j=j-'a'+10;
61774664626SKris Kennaway 		else
61874664626SKris Kennaway 			{
61974664626SKris Kennaway 			BIO_printf(bio_err,"non-hex digit\n");
62074664626SKris Kennaway 			return(0);
62174664626SKris Kennaway 			}
62274664626SKris Kennaway 		if (i&1)
62374664626SKris Kennaway 			out[i/2]|=j;
62474664626SKris Kennaway 		else
62574664626SKris Kennaway 			out[i/2]=(j<<4);
62674664626SKris Kennaway 		}
62774664626SKris Kennaway 	return(1);
62874664626SKris Kennaway 	}
629