-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2023 The OpenSSL Project Authors. 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.]
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#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);
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include "apps.h"
+#include "progs.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
+#define DEFPRIMES 2
+
+static int verbose = 0;
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
+ OPT_COMMON,
+#ifndef OPENSSL_NO_DEPRECATED_3_0
+ OPT_3,
+#endif
+ OPT_F4, OPT_ENGINE,
+ OPT_OUT, OPT_PASSOUT, OPT_CIPHER, OPT_PRIMES, OPT_VERBOSE, OPT_QUIET,
+ OPT_R_ENUM, OPT_PROV_ENUM, OPT_TRADITIONAL
} OPTION_CHOICE;
-OPTIONS genrsa_options[] = {
+const OPTIONS genrsa_options[] = {
+ {OPT_HELP_STR, 1, '-', "Usage: %s [options] numbits\n"},
+
+ OPT_SECTION("General"),
{"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"},
+#ifndef OPENSSL_NO_ENGINE
+ {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
+#endif
+
+ OPT_SECTION("Input"),
+#ifndef OPENSSL_NO_DEPRECATED_3_0
+ {"3", OPT_3, '-', "(deprecated) Use 3 for the E value"},
+#endif
+ {"F4", OPT_F4, '-', "Use the Fermat number F4 (0x10001) for the E value"},
+ {"f4", OPT_F4, '-', "Use the Fermat number F4 (0x10001) for the E value"},
+
+ OPT_SECTION("Output"),
+ {"out", OPT_OUT, '>', "Output the key to specified file"},
{"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
+ {"primes", OPT_PRIMES, 'p', "Specify number of primes"},
+ {"verbose", OPT_VERBOSE, '-', "Verbose output"},
+ {"quiet", OPT_QUIET, '-', "Terse output"},
+ {"traditional", OPT_TRADITIONAL, '-',
+ "Use traditional format for private keys"},
{"", OPT_CIPHER, '-', "Encrypt the output with any supported cipher"},
-# ifndef OPENSSL_NO_ENGINE
- {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
-# endif
+
+ OPT_R_OPTIONS,
+ OPT_PROV_OPTIONS,
+
+ OPT_PARAMETERS(),
+ {"numbits", 0, 0, "Size of key in bits"},
{NULL}
};
int genrsa_main(int argc, char **argv)
{
BN_GENCB *cb = BN_GENCB_new();
- PW_CB_DATA cb_data;
- ENGINE *e = NULL;
+ ENGINE *eng = 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;
+ EVP_PKEY *pkey = NULL;
+ EVP_PKEY_CTX *ctx = NULL;
+ EVP_CIPHER *enc = NULL;
+ int ret = 1, num = DEFBITS, private = 0, primes = DEFPRIMES;
unsigned long f4 = RSA_F4;
char *outfile = NULL, *passoutarg = NULL, *passout = NULL;
- char *inrand = NULL, *prog, *hexe, *dece;
+ char *prog, *hexe, *dece, *ciphername = NULL;
OPTION_CHOICE o;
+ int traditional = 0;
if (bn == NULL || cb == NULL)
goto end;
- BN_GENCB_set(cb, genrsa_cb, bio_err);
-
+ opt_set_unknown_name("cipher");
prog = opt_init(argc, argv, genrsa_options);
while ((o = opt_next()) != OPT_EOF) {
switch (o) {
case OPT_EOF:
case OPT_ERR:
+opthelp:
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
goto end;
case OPT_HELP:
ret = 0;
opt_help(genrsa_options);
goto end;
+#ifndef OPENSSL_NO_DEPRECATED_3_0
case OPT_3:
- f4 = 3;
+ f4 = RSA_3;
break;
+#endif
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);
+ eng = setup_engine(opt_arg(), 0);
break;
- case OPT_RAND:
- inrand = opt_arg();
+ case OPT_R_CASES:
+ if (!opt_rand(o))
+ goto end;
+ break;
+ case OPT_PROV_CASES:
+ if (!opt_provider(o))
+ goto end;
break;
case OPT_PASSOUT:
passoutarg = opt_arg();
break;
case OPT_CIPHER:
- if (!opt_cipher(opt_unknown(), &enc))
- goto end;
+ ciphername = opt_unknown();
+ break;
+ case OPT_PRIMES:
+ primes = opt_int_arg();
+ break;
+ case OPT_VERBOSE:
+ verbose = 1;
+ break;
+ case OPT_QUIET:
+ verbose = 0;
+ break;
+ case OPT_TRADITIONAL:
+ traditional = 1;
break;
}
}
+
+ /* One optional argument, the bitsize. */
argc = opt_num_rest();
argv = opt_rest();
- private = 1;
- if (argv[0] && (!opt_int(argv[0], &num) || num <= 0))
+ if (argc == 1) {
+ if (!opt_int(argv[0], &num) || num <= 0)
+ goto end;
+ if (num > OPENSSL_RSA_MAX_MODULUS_BITS)
+ BIO_printf(bio_err,
+ "Warning: It is not recommended to use more than %d bit for RSA keys.\n"
+ " Your key size is %d! Larger key size may behave not as expected.\n",
+ OPENSSL_RSA_MAX_MODULUS_BITS, num);
+ } else if (!opt_check_rest_arg(NULL)) {
+ goto opthelp;
+ }
+
+ if (!app_RAND_load())
goto end;
+ private = 1;
+ if (!opt_cipher(ciphername, &enc))
+ goto end;
if (!app_passwd(NULL, passoutarg, NULL, &passout)) {
BIO_printf(bio_err, "Error getting password\n");
goto end;
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 == NULL)
+ if (!init_gen_str(&ctx, "RSA", eng, 0, app_get0_libctx(),
+ app_get0_propq()))
goto end;
- if (non_fips_allow)
- rsa->flags |= RSA_FLAG_NON_FIPS_ALLOW;
+ if (verbose)
+ EVP_PKEY_CTX_set_cb(ctx, progress_cb);
+ EVP_PKEY_CTX_set_app_data(ctx, bio_err);
- if (!BN_set_word(bn, f4) || !RSA_generate_key_ex(rsa, num, bn, cb))
+ if (EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, num) <= 0) {
+ BIO_printf(bio_err, "Error setting RSA length\n");
+ goto end;
+ }
+ if (!BN_set_word(bn, f4)) {
+ BIO_printf(bio_err, "Error allocating RSA public exponent\n");
+ goto end;
+ }
+ if (EVP_PKEY_CTX_set1_rsa_keygen_pubexp(ctx, bn) <= 0) {
+ BIO_printf(bio_err, "Error setting RSA public exponent\n");
+ goto end;
+ }
+ if (EVP_PKEY_CTX_set_rsa_keygen_primes(ctx, primes) <= 0) {
+ BIO_printf(bio_err, "Error setting number of primes\n");
+ goto end;
+ }
+ pkey = app_keygen(ctx, "RSA", num, verbose);
+ if (pkey == NULL)
goto end;
- app_RAND_write_file(NULL);
+ if (verbose) {
+ BIGNUM *e = 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);
+ /* Every RSA key has an 'e' */
+ EVP_PKEY_get_bn_param(pkey, "e", &e);
+ if (e == NULL) {
+ BIO_printf(bio_err, "Error cannot access RSA e\n");
+ goto end;
+ }
+ hexe = BN_bn2hex(e);
+ dece = BN_bn2dec(e);
+ if (hexe && dece) {
+ BIO_printf(bio_err, "e is %s (0x%s)\n", dece, hexe);
+ }
+ OPENSSL_free(hexe);
+ OPENSSL_free(dece);
+ BN_free(e);
+ }
+ if (traditional) {
+ if (!PEM_write_bio_PrivateKey_traditional(out, pkey, enc, NULL, 0,
+ NULL, passout))
+ goto end;
+ } else {
+ if (!PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, passout))
+ goto end;
}
- 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);
+ EVP_PKEY_CTX_free(ctx);
+ EVP_PKEY_free(pkey);
+ EVP_CIPHER_free(enc);
BIO_free_all(out);
+ release_engine(eng);
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;
+ return ret;
}
-#else /* !OPENSSL_NO_RSA */
-
-# if PEDANTIC
-static void *dummy = &dummy;
-# endif
-#endif
projects / openssl.git / blobdiff