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diff --git a/openssl/demos/b64.c b/openssl/demos/b64.c
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+/* demos/b64.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/apps.h"
+#include <openssl/buffer.h>
+#include <openssl/err.h>
+#include <openssl/evp.h>
+#include <openssl/objects.h>
+#include <openssl/x509.h>
+#include <openssl/pem.h>
+
+#undef SIZE
+#undef BSIZE
+#undef PROG
+
+#define SIZE    (512)
+#define BSIZE   (8*1024)
+#define PROG    enc_main
+
+int main(argc, argv)
+int argc;
+char **argv;
+{
+    char *strbuf = NULL;
+    unsigned char *buff = NULL, *bufsize = NULL;
+    int bsize = BSIZE, verbose = 0;
+    int ret = 1, inl;
+    char *str = NULL;
+    char *hkey = NULL, *hiv = NULL;
+    int enc = 1, printkey = 0, i, base64 = 0;
+    int debug = 0;
+    EVP_CIPHER *cipher = NULL, *c;
+    char *inf = NULL, *outf = NULL;
+    BIO *in = NULL, *out = NULL, *b64 = NULL, *benc = NULL, *rbio =
+        NULL, *wbio = NULL;
+#define PROG_NAME_SIZE  39
+
+    apps_startup();
+
+    if (bio_err == NULL)
+        if ((bio_err = BIO_new(BIO_s_file())) != NULL)
+            BIO_set_fp(bio_err, stderr, BIO_NOCLOSE);
+
+    base64 = 1;
+
+    argc--;
+    argv++;
+    while (argc >= 1) {
+        if (strcmp(*argv, "-e") == 0)
+            enc = 1;
+        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, "-d") == 0)
+            enc = 0;
+        else if (strcmp(*argv, "-v") == 0)
+            verbose = 1;
+        else if (strcmp(*argv, "-debug") == 0)
+            debug = 1;
+        else if (strcmp(*argv, "-bufsize") == 0) {
+            if (--argc < 1)
+                goto bad;
+            bufsize = (unsigned char *)*(++argv);
+        } 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 encode\n", "-e");
+            BIO_printf(bio_err, "%-14s decode\n", "-d");
+            BIO_printf(bio_err, "%-14s buffer size\n", "-bufsize <n>");
+
+            goto end;
+        }
+        argc--;
+        argv++;
+    }
+
+    if (bufsize != NULL) {
+        int i;
+        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 (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\n");
+        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, bio_err);
+        BIO_set_callback_arg(out, bio_err);
+    }
+
+    if (inf == NULL)
+        BIO_set_fp(in, stdin, BIO_NOCLOSE);
+    else {
+        if (BIO_read_filename(in, inf) <= 0) {
+            perror(inf);
+            goto end;
+        }
+    }
+
+    if (outf == NULL)
+        BIO_set_fp(out, stdout, BIO_NOCLOSE);
+    else {
+        if (BIO_write_filename(out, outf) <= 0) {
+            perror(outf);
+            goto end;
+        }
+    }
+
+    rbio = in;
+    wbio = out;
+
+    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, bio_err);
+        }
+        if (enc)
+            wbio = BIO_push(b64, wbio);
+        else
+            rbio = BIO_push(b64, rbio);
+    }
+
+    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;
+        }
+    }
+    BIO_flush(wbio);
+
+    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:
+    if (strbuf != NULL)
+        OPENSSL_free(strbuf);
+    if (buff != NULL)
+        OPENSSL_free(buff);
+    if (in != NULL)
+        BIO_free(in);
+    if (out != NULL)
+        BIO_free(out);
+    if (benc != NULL)
+        BIO_free(benc);
+    if (b64 != NULL)
+        BIO_free(b64);
+    EXIT(ret);
+}