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+/* apps/genrsa.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 <openssl/opensslconf.h>
+/* Until the key-gen callbacks are modified to use newer prototypes, we allow
+ * deprecated functions for openssl-internal code */
+#ifdef OPENSSL_NO_DEPRECATED
+#undef OPENSSL_NO_DEPRECATED
+#endif
+
+#ifndef OPENSSL_NO_RSA
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include "apps.h"
+#include <openssl/bio.h>
+#include <openssl/err.h>
+#include <openssl/bn.h>
+#include <openssl/rsa.h>
+#include <openssl/evp.h>
+#include <openssl/x509.h>
+#include <openssl/pem.h>
+#include <openssl/rand.h>
+
+#define DEFBITS 512
+#undef PROG
+#define PROG genrsa_main
+
+static int MS_CALLBACK genrsa_cb(int p, int n, BN_GENCB *cb);
+
+int MAIN(int, char **);
+
+int MAIN(int argc, char **argv)
+ {
+ BN_GENCB cb;
+#ifndef OPENSSL_NO_ENGINE
+ ENGINE *e = NULL;
+#endif
+ int ret=1;
+ int i,num=DEFBITS;
+ long l;
+ const EVP_CIPHER *enc=NULL;
+ unsigned long f4=RSA_F4;
+ char *outfile=NULL;
+ char *passargout = NULL, *passout = NULL;
+#ifndef OPENSSL_NO_ENGINE
+ char *engine=NULL;
+#endif
+ char *inrand=NULL;
+ BIO *out=NULL;
+ BIGNUM *bn = BN_new();
+ RSA *rsa = NULL;
+
+ if(!bn) goto err;
+
+ apps_startup();
+ BN_GENCB_set(&cb, genrsa_cb, bio_err);
+
+ 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 err;
+ if ((out=BIO_new(BIO_s_file())) == NULL)
+ {
+ BIO_printf(bio_err,"unable to create BIO for output\n");
+ goto err;
+ }
+
+ argv++;
+ argc--;
+ for (;;)
+ {
+ if (argc <= 0) break;
+ if (strcmp(*argv,"-out") == 0)
+ {
+ if (--argc < 1) goto bad;
+ outfile= *(++argv);
+ }
+ else if (strcmp(*argv,"-3") == 0)
+ f4=3;
+ else if (strcmp(*argv,"-F4") == 0 || strcmp(*argv,"-f4") == 0)
+ f4=RSA_F4;
+#ifndef OPENSSL_NO_ENGINE
+ else if (strcmp(*argv,"-engine") == 0)
+ {
+ if (--argc < 1) goto bad;
+ engine= *(++argv);
+ }
+#endif
+ else if (strcmp(*argv,"-rand") == 0)
+ {
+ if (--argc < 1) goto bad;
+ inrand= *(++argv);
+ }
+#ifndef OPENSSL_NO_DES
+ else if (strcmp(*argv,"-des") == 0)
+ enc=EVP_des_cbc();
+ else if (strcmp(*argv,"-des3") == 0)
+ enc=EVP_des_ede3_cbc();
+#endif
+#ifndef OPENSSL_NO_IDEA
+ else if (strcmp(*argv,"-idea") == 0)
+ enc=EVP_idea_cbc();
+#endif
+#ifndef OPENSSL_NO_SEED
+ else if (strcmp(*argv,"-seed") == 0)
+ enc=EVP_seed_cbc();
+#endif
+#ifndef OPENSSL_NO_AES
+ else if (strcmp(*argv,"-aes128") == 0)
+ enc=EVP_aes_128_cbc();
+ else if (strcmp(*argv,"-aes192") == 0)
+ enc=EVP_aes_192_cbc();
+ else if (strcmp(*argv,"-aes256") == 0)
+ enc=EVP_aes_256_cbc();
+#endif
+#ifndef OPENSSL_NO_CAMELLIA
+ else if (strcmp(*argv,"-camellia128") == 0)
+ enc=EVP_camellia_128_cbc();
+ else if (strcmp(*argv,"-camellia192") == 0)
+ enc=EVP_camellia_192_cbc();
+ else if (strcmp(*argv,"-camellia256") == 0)
+ enc=EVP_camellia_256_cbc();
+#endif
+ else if (strcmp(*argv,"-passout") == 0)
+ {
+ if (--argc < 1) goto bad;
+ passargout= *(++argv);
+ }
+ else
+ break;
+ argv++;
+ argc--;
+ }
+ if ((argc >= 1) && ((sscanf(*argv,"%d",&num) == 0) || (num < 0)))
+ {
+bad:
+ BIO_printf(bio_err,"usage: genrsa [args] [numbits]\n");
+ BIO_printf(bio_err," -des encrypt the generated key with DES in cbc mode\n");
+ BIO_printf(bio_err," -des3 encrypt the generated key with DES in ede cbc mode (168 bit key)\n");
+#ifndef OPENSSL_NO_IDEA
+ BIO_printf(bio_err," -idea encrypt the generated key with IDEA in cbc mode\n");
+#endif
+#ifndef OPENSSL_NO_SEED
+ BIO_printf(bio_err," -seed\n");
+ BIO_printf(bio_err," encrypt PEM output with cbc seed\n");
+#endif
+#ifndef OPENSSL_NO_AES
+ BIO_printf(bio_err," -aes128, -aes192, -aes256\n");
+ BIO_printf(bio_err," encrypt PEM output with cbc aes\n");
+#endif
+#ifndef OPENSSL_NO_CAMELLIA
+ BIO_printf(bio_err," -camellia128, -camellia192, -camellia256\n");
+ BIO_printf(bio_err," encrypt PEM output with cbc camellia\n");
+#endif
+ BIO_printf(bio_err," -out file output the key to 'file\n");
+ BIO_printf(bio_err," -passout arg output file pass phrase source\n");
+ BIO_printf(bio_err," -f4 use F4 (0x10001) for the E value\n");
+ BIO_printf(bio_err," -3 use 3 for the E value\n");
+#ifndef OPENSSL_NO_ENGINE
+ BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
+#endif
+ BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
+ BIO_printf(bio_err," load the file (or the files in the directory) into\n");
+ BIO_printf(bio_err," the random number generator\n");
+ goto err;
+ }
+
+ ERR_load_crypto_strings();
+
+ if(!app_passwd(bio_err, NULL, passargout, NULL, &passout)) {
+ BIO_printf(bio_err, "Error getting password\n");
+ goto err;
+ }
+
+#ifndef OPENSSL_NO_ENGINE
+ e = setup_engine(bio_err, engine, 0);
+#endif
+
+ if (outfile == NULL)
+ {
+ BIO_set_fp(out,stdout,BIO_NOCLOSE);
+#ifdef OPENSSL_SYS_VMS
+ {
+ BIO *tmpbio = BIO_new(BIO_f_linebuffer());
+ out = BIO_push(tmpbio, out);
+ }
+#endif
+ }
+ else
+ {
+ if (BIO_write_filename(out,outfile) <= 0)
+ {
+ perror(outfile);
+ goto err;
+ }
+ }
+
+ if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
+ && !RAND_status())
+ {
+ BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
+ }
+ if (inrand != NULL)
+ BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
+ app_RAND_load_files(inrand));
+
+ BIO_printf(bio_err,"Generating RSA private key, %d bit long modulus\n",
+ num);
+#ifdef OPENSSL_NO_ENGINE
+ rsa = RSA_new();
+#else
+ rsa = RSA_new_method(e);
+#endif
+ if (!rsa)
+ goto err;
+
+ if(!BN_set_word(bn, f4) || !RSA_generate_key_ex(rsa, num, bn, &cb))
+ goto err;
+
+ app_RAND_write_file(NULL, bio_err);
+
+ /* We need to do the following for when the base number size is <
+ * long, esp windows 3.1 :-(. */
+ l=0L;
+ for (i=0; i<rsa->e->top; i++)
+ {
+#ifndef SIXTY_FOUR_BIT
+ l<<=BN_BITS4;
+ l<<=BN_BITS4;
+#endif
+ l+=rsa->e->d[i];
+ }
+ BIO_printf(bio_err,"e is %ld (0x%lX)\n",l,l);
+ {
+ PW_CB_DATA cb_data;
+ cb_data.password = passout;
+ cb_data.prompt_info = outfile;
+ if (!PEM_write_bio_RSAPrivateKey(out,rsa,enc,NULL,0,
+ (pem_password_cb *)password_callback,&cb_data))
+ goto err;
+ }
+
+ ret=0;
+err:
+ if (bn) BN_free(bn);
+ if (rsa) RSA_free(rsa);
+ if (out) BIO_free_all(out);
+ if(passout) OPENSSL_free(passout);
+ if (ret != 0)
+ ERR_print_errors(bio_err);
+ apps_shutdown();
+ OPENSSL_EXIT(ret);
+ }
+
+static int MS_CALLBACK genrsa_cb(int p, int n, BN_GENCB *cb)
+ {
+ char c='*';
+
+ if (p == 0) c='.';
+ if (p == 1) c='+';
+ if (p == 2) c='*';
+ if (p == 3) c='\n';
+ BIO_write(cb->arg,&c,1);
+ (void)BIO_flush(cb->arg);
+#ifdef LINT
+ p=n;
+#endif
+ return 1;
+ }
+#else /* !OPENSSL_NO_RSA */
+
+# if PEDANTIC
+static void *dummy=&dummy;
+# endif
+
+#endif
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