Delete bundled copy of OpenSSL and replace with README.

openssl/apps/enc.c

Index: openssl/apps/enc.c
diff --git a/openssl/apps/enc.c b/openssl/apps/enc.c
deleted file mode 100644
index 719acc3250530d99b39e9bf66800237643466b73..0000000000000000000000000000000000000000
--- a/openssl/apps/enc.c
+++ /dev/null
@@ -1,732 +0,0 @@
-/* apps/enc.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- * 
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to.  The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- * 
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *    "This product includes cryptographic software written by
- *     Eric Young (eay@cryptsoft.com)"
- *    The word 'cryptographic' can be left out if the rouines from the library
- *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from 
- *    the apps directory (application code) you must include an acknowledgement:
- *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- * 
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * 
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed.  i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "apps.h"
-#include <openssl/bio.h>
-#include <openssl/err.h>
-#include <openssl/evp.h>
-#include <openssl/objects.h>
-#include <openssl/x509.h>
-#include <openssl/rand.h>
-#include <openssl/pem.h>
-#include <openssl/comp.h>
-#include <ctype.h>
-
-int set_hex(char *in,unsigned char *out,int size);
-#undef SIZE
-#undef BSIZE
-#undef PROG
-
-#define SIZE	(512)
-#define BSIZE	(8*1024)
-#define	PROG	enc_main
-
-static void show_ciphers(const OBJ_NAME *name,void *bio_)
-	{
-	BIO *bio=bio_;
-	static int n;
-
-	if(!islower((unsigned char)*name->name))
-		return;
-
-	BIO_printf(bio,"-%-25s",name->name);
-	if(++n == 3)
-		{
-		BIO_printf(bio,"\n");
-		n=0;
-		}
-	else
-		BIO_printf(bio," ");
-	}
-
-int MAIN(int, char **);
-
-int MAIN(int argc, char **argv)
-	{
-	static const char magic[]="Salted__";
-	char mbuf[sizeof magic-1];
-	char *strbuf=NULL;
-	unsigned char *buff=NULL,*bufsize=NULL;
-	int bsize=BSIZE,verbose=0;
-	int ret=1,inl;
-	int nopad = 0;
-	unsigned char key[EVP_MAX_KEY_LENGTH],iv[EVP_MAX_IV_LENGTH];
-	unsigned char salt[PKCS5_SALT_LEN];
-	char *str=NULL, *passarg = NULL, *pass = NULL;
-	char *hkey=NULL,*hiv=NULL,*hsalt = NULL;
-	char *md=NULL;
-	int enc=1,printkey=0,i,base64=0;
-#ifdef ZLIB
-	int do_zlib=0;
-	BIO *bzl = NULL;
-#endif
-	int debug=0,olb64=0,nosalt=0;
-	const EVP_CIPHER *cipher=NULL,*c;
-	EVP_CIPHER_CTX *ctx = NULL;
-	char *inf=NULL,*outf=NULL;
-	BIO *in=NULL,*out=NULL,*b64=NULL,*benc=NULL,*rbio=NULL,*wbio=NULL;
-#define PROG_NAME_SIZE  39
-	char pname[PROG_NAME_SIZE+1];
-#ifndef OPENSSL_NO_ENGINE
-	char *engine = NULL;
-#endif
-	const EVP_MD *dgst=NULL;
-	int non_fips_allow = 0;
-
-	apps_startup();
-
-	if (bio_err == NULL)
-		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
-			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
-
-	if (!load_config(bio_err, NULL))
-		goto end;
-
-	/* first check the program name */
-	program_name(argv[0],pname,sizeof pname);
-	if (strcmp(pname,"base64") == 0)
-		base64=1;
-#ifdef ZLIB
-	if (strcmp(pname,"zlib") == 0)
-		do_zlib=1;
-#endif
-
-	cipher=EVP_get_cipherbyname(pname);
-#ifdef ZLIB
-	if (!do_zlib && !base64 && (cipher == NULL)
-				&& (strcmp(pname,"enc") != 0))
-#else
-	if (!base64 && (cipher == NULL) && (strcmp(pname,"enc") != 0))
-#endif
-		{
-		BIO_printf(bio_err,"%s is an unknown cipher\n",pname);
-		goto bad;
-		}
-
-	argc--;
-	argv++;
-	while (argc >= 1)
-		{
-		if	(strcmp(*argv,"-e") == 0)
-			enc=1;
-		else if (strcmp(*argv,"-in") == 0)
-			{
-			if (--argc < 1) goto bad;
-			inf= *(++argv);
-			}
-		else if (strcmp(*argv,"-out") == 0)
-			{
-			if (--argc < 1) goto bad;
-			outf= *(++argv);
-			}
-		else if (strcmp(*argv,"-pass") == 0)
-			{
-			if (--argc < 1) goto bad;
-			passarg= *(++argv);
-			}
-#ifndef OPENSSL_NO_ENGINE
-		else if (strcmp(*argv,"-engine") == 0)
-			{
-			if (--argc < 1) goto bad;
-			engine= *(++argv);
-			}
-#endif
-		else if	(strcmp(*argv,"-d") == 0)
-			enc=0;
-		else if	(strcmp(*argv,"-p") == 0)
-			printkey=1;
-		else if	(strcmp(*argv,"-v") == 0)
-			verbose=1;
-		else if	(strcmp(*argv,"-nopad") == 0)
-			nopad=1;
-		else if	(strcmp(*argv,"-salt") == 0)
-			nosalt=0;
-		else if	(strcmp(*argv,"-nosalt") == 0)
-			nosalt=1;
-		else if	(strcmp(*argv,"-debug") == 0)
-			debug=1;
-		else if	(strcmp(*argv,"-P") == 0)
-			printkey=2;
-		else if	(strcmp(*argv,"-A") == 0)
-			olb64=1;
-		else if	(strcmp(*argv,"-a") == 0)
-			base64=1;
-		else if	(strcmp(*argv,"-base64") == 0)
-			base64=1;
-#ifdef ZLIB
-		else if	(strcmp(*argv,"-z") == 0)
-			do_zlib=1;
-#endif
-		else if (strcmp(*argv,"-bufsize") == 0)
-			{
-			if (--argc < 1) goto bad;
-			bufsize=(unsigned char *)*(++argv);
-			}
-		else if (strcmp(*argv,"-k") == 0)
-			{
-			if (--argc < 1) goto bad;
-			str= *(++argv);
-			}
-		else if (strcmp(*argv,"-kfile") == 0)
-			{
-			static char buf[128];
-			FILE *infile;
-			char *file;
-
-			if (--argc < 1) goto bad;
-			file= *(++argv);
-			infile=fopen(file,"r");
-			if (infile == NULL)
-				{
-				BIO_printf(bio_err,"unable to read key from '%s'\n",
-					file);
-				goto bad;
-				}
-			buf[0]='\0';
-			if (!fgets(buf,sizeof buf,infile))
-				{
-				BIO_printf(bio_err,"unable to read key from '%s'\n",
-					file);
-				goto bad;
-				}
-			fclose(infile);
-			i=strlen(buf);
-			if ((i > 0) &&
-				((buf[i-1] == '\n') || (buf[i-1] == '\r')))
-				buf[--i]='\0';
-			if ((i > 0) &&
-				((buf[i-1] == '\n') || (buf[i-1] == '\r')))
-				buf[--i]='\0';
-			if (i < 1)
-				{
-				BIO_printf(bio_err,"zero length password\n");
-				goto bad;
-				}
-			str=buf;
-			}
-		else if (strcmp(*argv,"-K") == 0)
-			{
-			if (--argc < 1) goto bad;
-			hkey= *(++argv);
-			}
-		else if (strcmp(*argv,"-S") == 0)
-			{
-			if (--argc < 1) goto bad;
-			hsalt= *(++argv);
-			}
-		else if (strcmp(*argv,"-iv") == 0)
-			{
-			if (--argc < 1) goto bad;
-			hiv= *(++argv);
-			}
-		else if (strcmp(*argv,"-md") == 0)
-			{
-			if (--argc < 1) goto bad;
-			md= *(++argv);
-			}
-		else if (strcmp(*argv,"-non-fips-allow") == 0)
-			non_fips_allow = 1;
-		else if	((argv[0][0] == '-') &&
-			((c=EVP_get_cipherbyname(&(argv[0][1]))) != NULL))
-			{
-			cipher=c;
-			}
-		else if (strcmp(*argv,"-none") == 0)
-			cipher=NULL;
-		else
-			{
-			BIO_printf(bio_err,"unknown option '%s'\n",*argv);
-bad:
-			BIO_printf(bio_err,"options are\n");
-			BIO_printf(bio_err,"%-14s input file\n","-in <file>");
-			BIO_printf(bio_err,"%-14s output file\n","-out <file>");
-			BIO_printf(bio_err,"%-14s pass phrase source\n","-pass <arg>");
-			BIO_printf(bio_err,"%-14s encrypt\n","-e");
-			BIO_printf(bio_err,"%-14s decrypt\n","-d");
-			BIO_printf(bio_err,"%-14s base64 encode/decode, depending on encryption flag\n","-a/-base64");
-			BIO_printf(bio_err,"%-14s passphrase is the next argument\n","-k");
-			BIO_printf(bio_err,"%-14s passphrase is the first line of the file argument\n","-kfile");
-			BIO_printf(bio_err,"%-14s the next argument is the md to use to create a key\n","-md");
-			BIO_printf(bio_err,"%-14s   from a passphrase.  One of md2, md5, sha or sha1\n","");
-			BIO_printf(bio_err,"%-14s salt in hex is the next argument\n","-S");
-			BIO_printf(bio_err,"%-14s key/iv in hex is the next argument\n","-K/-iv");
-			BIO_printf(bio_err,"%-14s print the iv/key (then exit if -P)\n","-[pP]");
-			BIO_printf(bio_err,"%-14s buffer size\n","-bufsize <n>");
-			BIO_printf(bio_err,"%-14s disable standard block padding\n","-nopad");
-#ifndef OPENSSL_NO_ENGINE
-			BIO_printf(bio_err,"%-14s use engine e, possibly a hardware device.\n","-engine e");
-#endif
-
-			BIO_printf(bio_err,"Cipher Types\n");
-			OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH,
-					       show_ciphers,
-					       bio_err);
-			BIO_printf(bio_err,"\n");
-
-			goto end;
-			}
-		argc--;
-		argv++;
-		}
-
-#ifndef OPENSSL_NO_ENGINE
-        setup_engine(bio_err, engine, 0);
-#endif
-
-	if (md && (dgst=EVP_get_digestbyname(md)) == NULL)
-		{
-		BIO_printf(bio_err,"%s is an unsupported message digest type\n",md);
-		goto end;
-		}
-
-	if (dgst == NULL)
-		{
-		dgst = EVP_md5();
-		}
-
-	if (bufsize != NULL)
-		{
-		unsigned long n;
-
-		for (n=0; *bufsize; bufsize++)
-			{
-			i= *bufsize;
-			if ((i <= '9') && (i >= '0'))
-				n=n*10+i-'0';
-			else if (i == 'k')
-				{
-				n*=1024;
-				bufsize++;
-				break;
-				}
-			}
-		if (*bufsize != '\0')
-			{
-			BIO_printf(bio_err,"invalid 'bufsize' specified.\n");
-			goto end;
-			}
-
-		/* It must be large enough for a base64 encoded line */
-		if (base64 && n < 80) n=80;
-
-		bsize=(int)n;
-		if (verbose) BIO_printf(bio_err,"bufsize=%d\n",bsize);
-		}
-
-	strbuf=OPENSSL_malloc(SIZE);
-	buff=(unsigned char *)OPENSSL_malloc(EVP_ENCODE_LENGTH(bsize));
-	if ((buff == NULL) || (strbuf == NULL))
-		{
-		BIO_printf(bio_err,"OPENSSL_malloc failure %ld\n",(long)EVP_ENCODE_LENGTH(bsize));
-		goto end;
-		}
-
-	in=BIO_new(BIO_s_file());
-	out=BIO_new(BIO_s_file());
-	if ((in == NULL) || (out == NULL))
-		{
-		ERR_print_errors(bio_err);
-		goto end;
-		}
-	if (debug)
-		{
-		BIO_set_callback(in,BIO_debug_callback);
-		BIO_set_callback(out,BIO_debug_callback);
-		BIO_set_callback_arg(in,(char *)bio_err);
-		BIO_set_callback_arg(out,(char *)bio_err);
-		}
-
-	if (inf == NULL)
-	        {
-#ifndef OPENSSL_NO_SETVBUF_IONBF
-		if (bufsize != NULL)
-			setvbuf(stdin, (char *)NULL, _IONBF, 0);
-#endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
-		BIO_set_fp(in,stdin,BIO_NOCLOSE);
-	        }
-	else
-		{
-		if (BIO_read_filename(in,inf) <= 0)
-			{
-			perror(inf);
-			goto end;
-			}
-		}
-
-	if(!str && passarg) {
-		if(!app_passwd(bio_err, passarg, NULL, &pass, NULL)) {
-			BIO_printf(bio_err, "Error getting password\n");
-			goto end;
-		}
-		str = pass;
-	}
-
-	if ((str == NULL) && (cipher != NULL) && (hkey == NULL))
-		{
-		for (;;)
-			{
-			char buf[200];
-
-			BIO_snprintf(buf,sizeof buf,"enter %s %s password:",
-				     OBJ_nid2ln(EVP_CIPHER_nid(cipher)),
-				     (enc)?"encryption":"decryption");
-			strbuf[0]='\0';
-			i=EVP_read_pw_string((char *)strbuf,SIZE,buf,enc);
-			if (i == 0)
-				{
-				if (strbuf[0] == '\0')
-					{
-					ret=1;
-					goto end;
-					}
-				str=strbuf;
-				break;
-				}
-			if (i < 0)
-				{
-				BIO_printf(bio_err,"bad password read\n");
-				goto end;
-				}
-			}
-		}
-
-
-	if (outf == NULL)
-		{
-		BIO_set_fp(out,stdout,BIO_NOCLOSE);
-#ifndef OPENSSL_NO_SETVBUF_IONBF
-		if (bufsize != NULL)
-			setvbuf(stdout, (char *)NULL, _IONBF, 0);
-#endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
-#ifdef OPENSSL_SYS_VMS
-		{
-		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
-		out = BIO_push(tmpbio, out);
-		}
-#endif
-		}
-	else
-		{
-		if (BIO_write_filename(out,outf) <= 0)
-			{
-			perror(outf);
-			goto end;
-			}
-		}
-
-	rbio=in;
-	wbio=out;
-
-#ifdef ZLIB
-
-	if (do_zlib)
-		{
-		if ((bzl=BIO_new(BIO_f_zlib())) == NULL)
-			goto end;
-		if (enc)
-			wbio=BIO_push(bzl,wbio);
-		else
-			rbio=BIO_push(bzl,rbio);
-		}
-#endif
-
-	if (base64)
-		{
-		if ((b64=BIO_new(BIO_f_base64())) == NULL)
-			goto end;
-		if (debug)
-			{
-			BIO_set_callback(b64,BIO_debug_callback);
-			BIO_set_callback_arg(b64,(char *)bio_err);
-			}
-		if (olb64)
-			BIO_set_flags(b64,BIO_FLAGS_BASE64_NO_NL);
-		if (enc)
-			wbio=BIO_push(b64,wbio);
-		else
-			rbio=BIO_push(b64,rbio);
-		}
-
-	if (cipher != NULL)
-		{
-		/* Note that str is NULL if a key was passed on the command
-		 * line, so we get no salt in that case. Is this a bug?
-		 */
-		if (str != NULL)
-			{
-			/* Salt handling: if encrypting generate a salt and
-			 * write to output BIO. If decrypting read salt from
-			 * input BIO.
-			 */
-			unsigned char *sptr;
-			if(nosalt) sptr = NULL;
-			else {
-				if(enc) {
-					if(hsalt) {
-						if(!set_hex(hsalt,salt,sizeof salt)) {
-							BIO_printf(bio_err,
-								"invalid hex salt value\n");
-							goto end;
-						}
-					} else if (RAND_pseudo_bytes(salt, sizeof salt) < 0)
-						goto end;
-					/* If -P option then don't bother writing */
-					if((printkey != 2)
-					   && (BIO_write(wbio,magic,
-							 sizeof magic-1) != sizeof magic-1
-					       || BIO_write(wbio,
-							    (char *)salt,
-							    sizeof salt) != sizeof salt)) {
-						BIO_printf(bio_err,"error writing output file\n");
-						goto end;
-					}
-				} else if(BIO_read(rbio,mbuf,sizeof mbuf) != sizeof mbuf
-					  || BIO_read(rbio,
-						      (unsigned char *)salt,
-				    sizeof salt) != sizeof salt) {
-					BIO_printf(bio_err,"error reading input file\n");
-					goto end;
-				} else if(memcmp(mbuf,magic,sizeof magic-1)) {
-				    BIO_printf(bio_err,"bad magic number\n");
-				    goto end;
-				}
-
-				sptr = salt;
-			}
-
-			EVP_BytesToKey(cipher,dgst,sptr,
-				(unsigned char *)str,
-				strlen(str),1,key,iv);
-			/* zero the complete buffer or the string
-			 * passed from the command line
-			 * bug picked up by
-			 * Larry J. Hughes Jr. <hughes@indiana.edu> */
-			if (str == strbuf)
-				OPENSSL_cleanse(str,SIZE);
-			else
-				OPENSSL_cleanse(str,strlen(str));
-			}
-		if ((hiv != NULL) && !set_hex(hiv,iv,sizeof iv))
-			{
-			BIO_printf(bio_err,"invalid hex iv value\n");
-			goto end;
-			}
-		if ((hiv == NULL) && (str == NULL)
-		    && EVP_CIPHER_iv_length(cipher) != 0)
-			{
-			/* No IV was explicitly set and no IV was generated
-			 * during EVP_BytesToKey. Hence the IV is undefined,
-			 * making correct decryption impossible. */
-			BIO_printf(bio_err, "iv undefined\n");
-			goto end;
-			}
-		if ((hkey != NULL) && !set_hex(hkey,key,sizeof key))
-			{
-			BIO_printf(bio_err,"invalid hex key value\n");
-			goto end;
-			}
-
-		if ((benc=BIO_new(BIO_f_cipher())) == NULL)
-			goto end;
-
-		/* Since we may be changing parameters work on the encryption
-		 * context rather than calling BIO_set_cipher().
-		 */
-
-		BIO_get_cipher_ctx(benc, &ctx);
-
-		if (non_fips_allow)
-			EVP_CIPHER_CTX_set_flags(ctx,
-				EVP_CIPH_FLAG_NON_FIPS_ALLOW);
-
-		if (!EVP_CipherInit_ex(ctx, cipher, NULL, NULL, NULL, enc))
-			{
-			BIO_printf(bio_err, "Error setting cipher %s\n",
-				EVP_CIPHER_name(cipher));
-			ERR_print_errors(bio_err);
-			goto end;
-			}
-
-		if (nopad)
-			EVP_CIPHER_CTX_set_padding(ctx, 0);
-
-		if (!EVP_CipherInit_ex(ctx, NULL, NULL, key, iv, enc))
-			{
-			BIO_printf(bio_err, "Error setting cipher %s\n",
-				EVP_CIPHER_name(cipher));
-			ERR_print_errors(bio_err);
-			goto end;
-			}
-
-		if (debug)
-			{
-			BIO_set_callback(benc,BIO_debug_callback);
-			BIO_set_callback_arg(benc,(char *)bio_err);
-			}
-
-		if (printkey)
-			{
-			if (!nosalt)
-				{
-				printf("salt=");
-				for (i=0; i<(int)sizeof(salt); i++)
-					printf("%02X",salt[i]);
-				printf("\n");
-				}
-			if (cipher->key_len > 0)
-				{
-				printf("key=");
-				for (i=0; i<cipher->key_len; i++)
-					printf("%02X",key[i]);
-				printf("\n");
-				}
-			if (cipher->iv_len > 0)
-				{
-				printf("iv =");
-				for (i=0; i<cipher->iv_len; i++)
-					printf("%02X",iv[i]);
-				printf("\n");
-				}
-			if (printkey == 2)
-				{
-				ret=0;
-				goto end;
-				}
-			}
-		}
-
-	/* Only encrypt/decrypt as we write the file */
-	if (benc != NULL)
-		wbio=BIO_push(benc,wbio);
-
-	for (;;)
-		{
-		inl=BIO_read(rbio,(char *)buff,bsize);
-		if (inl <= 0) break;
-		if (BIO_write(wbio,(char *)buff,inl) != inl)
-			{
-			BIO_printf(bio_err,"error writing output file\n");
-			goto end;
-			}
-		}
-	if (!BIO_flush(wbio))
-		{
-		BIO_printf(bio_err,"bad decrypt\n");
-		goto end;
-		}
-
-	ret=0;
-	if (verbose)
-		{
-		BIO_printf(bio_err,"bytes read   :%8ld\n",BIO_number_read(in));
-		BIO_printf(bio_err,"bytes written:%8ld\n",BIO_number_written(out));
-		}
-end:
-	ERR_print_errors(bio_err);
-	if (strbuf != NULL) OPENSSL_free(strbuf);
-	if (buff != NULL) OPENSSL_free(buff);
-	if (in != NULL) BIO_free(in);
-	if (out != NULL) BIO_free_all(out);
-	if (benc != NULL) BIO_free(benc);
-	if (b64 != NULL) BIO_free(b64);
-#ifdef ZLIB
-	if (bzl != NULL) BIO_free(bzl);
-#endif
-	if(pass) OPENSSL_free(pass);
-	apps_shutdown();
-	OPENSSL_EXIT(ret);
-	}
-
-int set_hex(char *in, unsigned char *out, int size)
-	{
-	int i,n;
-	unsigned char j;
-
-	n=strlen(in);
-	if (n > (size*2))
-		{
-		BIO_printf(bio_err,"hex string is too long\n");
-		return(0);
-		}
-	memset(out,0,size);
-	for (i=0; i<n; i++)
-		{
-		j=(unsigned char)*in;
-		*(in++)='\0';
-		if (j == 0) break;
-		if ((j >= '0') && (j <= '9'))
-			j-='0';
-		else if ((j >= 'A') && (j <= 'F'))
-			j=j-'A'+10;
-		else if ((j >= 'a') && (j <= 'f'))
-			j=j-'a'+10;
-		else
-			{
-			BIO_printf(bio_err,"non-hex digit\n");
-			return(0);
-			}
-		if (i&1)
-			out[i/2]|=j;
-		else
-			out[i/2]=(j<<4);
-		}
-	return(1);
-	}