-/* 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:
* 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
+ * 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
* 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.]
*/
-#ifndef 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>
-
-#define DEFBITS 512
-#undef PROG
-#define PROG genrsa_main
-
-static void MS_CALLBACK genrsa_cb(int p, int n, void *arg);
-
-int MAIN(int, char **);
-
-int MAIN(int argc, char **argv)
- {
- int ret=1;
- RSA *rsa=NULL;
- int i,num=DEFBITS;
- long l;
- EVP_CIPHER *enc=NULL;
- unsigned long f4=RSA_F4;
- char *outfile=NULL;
- char *passargout = NULL, *passout = NULL;
- char *inrand=NULL;
- BIO *out=NULL;
-
- 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 ((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)
- f4=RSA_F4;
- else if (strcmp(*argv,"-rand") == 0)
- {
- if (--argc < 1) goto bad;
- inrand= *(++argv);
- }
-#ifndef 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 NO_IDEA
- else if (strcmp(*argv,"-idea") == 0)
- enc=EVP_idea_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 NO_IDEA
- BIO_printf(bio_err," -idea encrypt the generated key with IDEA in cbc mode\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");
- BIO_printf(bio_err," -rand file:file:...\n");
- 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;
- }
-
- if (outfile == NULL)
- BIO_set_fp(out,stdout,BIO_NOCLOSE);
- else
- {
- if (BIO_write_filename(out,outfile) <= 0)
- {
- perror(outfile);
- goto err;
- }
- }
-
- if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL)
- {
- 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);
- rsa=RSA_generate_key(num,f4,genrsa_cb,bio_err);
-
- app_RAND_write_file(NULL, bio_err);
-
- if (rsa == NULL) goto 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);
- if (!PEM_write_bio_RSAPrivateKey(out,rsa,enc,NULL,0,NULL, passout))
- goto err;
-
- ret=0;
-err:
- if (rsa != NULL) RSA_free(rsa);
- if (out != NULL) BIO_free(out);
- if(passout) Free(passout);
- if (ret != 0)
- ERR_print_errors(bio_err);
- EXIT(ret);
- }
-
-static void MS_CALLBACK genrsa_cb(int p, int n, void *arg)
- {
- char c='*';
-
- if (p == 0) c='.';
- if (p == 1) c='+';
- if (p == 2) c='*';
- if (p == 3) c='\n';
- BIO_write((BIO *)arg,&c,1);
- (void)BIO_flush((BIO *)arg);
-#ifdef LINT
- p=n;
-#endif
- }
-#else /* !NO_RSA */
+#include <openssl/opensslconf.h>
+
+#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 2048
+
+static int genrsa_cb(int p, int n, BN_GENCB *cb);
+
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_3, OPT_F4, OPT_NON_FIPS_ALLOW, OPT_ENGINE,
+ OPT_OUT, OPT_RAND, OPT_PASSOUT, OPT_CIPHER
+} OPTION_CHOICE;
+
+OPTIONS genrsa_options[] = {
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"3", OPT_3, '-', "Use 3 for the E value"},
+ {"F4", OPT_F4, '-', "Use F4 (0x10001) for the E value"},
+ {"f4", OPT_F4, '-', "Use F4 (0x10001) for the E value"},
+ {"non-fips-allow", OPT_NON_FIPS_ALLOW, '-'},
+ {"out", OPT_OUT, 's', "Output the key to specified file"},
+ {"rand", OPT_RAND, 's',
+ "Load the file(s) into the random number generator"},
+ {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
+ {"", OPT_CIPHER, '-', "Encrypt the output with any supported cipher"},
+# ifndef OPENSSL_NO_ENGINE
+ {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
+# endif
+ {NULL}
+};
+
+int genrsa_main(int argc, char **argv)
+{
+ BN_GENCB *cb = BN_GENCB_new();
+ PW_CB_DATA cb_data;
+ ENGINE *e = NULL;
+ BIGNUM *bn = BN_new();
+ BIO *out = NULL;
+ RSA *rsa = NULL;
+ const EVP_CIPHER *enc = NULL;
+ int ret = 1, non_fips_allow = 0, num = DEFBITS, private = 0;
+ unsigned long f4 = RSA_F4;
+ char *outfile = NULL, *passoutarg = NULL, *passout = NULL;
+ char *inrand = NULL, *prog, *hexe, *dece;
+ OPTION_CHOICE o;
+
+ if (!bn || !cb)
+ goto end;
+
+ BN_GENCB_set(cb, genrsa_cb, bio_err);
+
+ prog = opt_init(argc, argv, genrsa_options);
+ while ((o = opt_next()) != OPT_EOF) {
+ switch (o) {
+ case OPT_EOF:
+ case OPT_ERR:
+ BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
+ goto end;
+ case OPT_HELP:
+ ret = 0;
+ opt_help(genrsa_options);
+ goto end;
+ case OPT_3:
+ f4 = 3;
+ break;
+ case OPT_F4:
+ f4 = RSA_F4;
+ break;
+ case OPT_NON_FIPS_ALLOW:
+ non_fips_allow = 1;
+ break;
+ case OPT_OUT:
+ outfile = opt_arg();
+ break;
+ case OPT_ENGINE:
+ e = setup_engine(opt_arg(), 0);
+ break;
+ case OPT_RAND:
+ inrand = opt_arg();
+ break;
+ case OPT_PASSOUT:
+ passoutarg = opt_arg();
+ break;
+ case OPT_CIPHER:
+ if (!opt_cipher(opt_unknown(), &enc))
+ goto end;
+ break;
+ }
+ }
+ argc = opt_num_rest();
+ argv = opt_rest();
+ private = 1;
+
+ if (argv[0] && (!opt_int(argv[0], &num) || num <= 0))
+ goto end;
+
+ if (!app_passwd(NULL, passoutarg, NULL, &passout)) {
+ BIO_printf(bio_err, "Error getting password\n");
+ goto end;
+ }
+
+ if (!app_load_modules(NULL))
+ goto end;
+
+ out = bio_open_owner(outfile, "w", private);
+ if (out == NULL)
+ goto end;
+
+ if (!app_RAND_load_file(NULL, 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);
+ rsa = e ? RSA_new_method(e) : RSA_new();
+ if (!rsa)
+ goto end;
+
+ if (non_fips_allow)
+ rsa->flags |= RSA_FLAG_NON_FIPS_ALLOW;
+
+ if (!BN_set_word(bn, f4) || !RSA_generate_key_ex(rsa, num, bn, cb))
+ goto end;
+
+ app_RAND_write_file(NULL);
+
+ hexe = BN_bn2hex(rsa->e);
+ dece = BN_bn2dec(rsa->e);
+ if (hexe && dece) {
+ BIO_printf(bio_err, "e is %s (0x%s)\n", dece, hexe);
+ }
+ OPENSSL_free(hexe);
+ OPENSSL_free(dece);
+ cb_data.password = passout;
+ cb_data.prompt_info = outfile;
+ assert(private);
+ if (!PEM_write_bio_RSAPrivateKey(out, rsa, enc, NULL, 0,
+ (pem_password_cb *)password_callback,
+ &cb_data))
+ goto end;
+
+ ret = 0;
+ end:
+ BN_free(bn);
+ BN_GENCB_free(cb);
+ RSA_free(rsa);
+ BIO_free_all(out);
+ OPENSSL_free(passout);
+ if (ret != 0)
+ ERR_print_errors(bio_err);
+ return (ret);
+}
+
+static int 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(BN_GENCB_get_arg(cb), &c, 1);
+ (void)BIO_flush(BN_GENCB_get_arg(cb));
+ return 1;
+}
+#else /* !OPENSSL_NO_RSA */
# if PEDANTIC
-static void *dummy=&dummy;
+static void *dummy = &dummy;
# endif
#endif
projects / openssl.git / blobdiff