| /* Copyright (c) 2015, Google Inc. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ |
| |
| #include <openssl/bio.h> |
| #include <openssl/bn.h> |
| #include <openssl/err.h> |
| #include <openssl/pem.h> |
| #include <openssl/rsa.h> |
| |
| #include "internal.h" |
| |
| |
| namespace bssl { |
| |
| static const struct argument kArguments[] = { |
| { |
| "-nprimes", kOptionalArgument, |
| "The number of primes to generate (default: 2)", |
| }, |
| { |
| "-bits", kOptionalArgument, |
| "The number of bits in the modulus (default: 2048)", |
| }, |
| { |
| "", kOptionalArgument, "", |
| }, |
| }; |
| |
| bool GenerateRSAKey(const std::vector<std::string> &args) { |
| std::map<std::string, std::string> args_map; |
| |
| if (!ParseKeyValueArguments(&args_map, args, kArguments)) { |
| PrintUsage(kArguments); |
| return false; |
| } |
| |
| unsigned bits, nprimes = 0; |
| if (!GetUnsigned(&bits, "-bits", 2048, args_map) || |
| !GetUnsigned(&nprimes, "-nprimes", 2, args_map)) { |
| PrintUsage(kArguments); |
| return false; |
| } |
| |
| ScopedRSA rsa(RSA_new()); |
| ScopedBIGNUM e(BN_new()); |
| ScopedBIO bio(BIO_new_fp(stdout, BIO_NOCLOSE)); |
| |
| if (!BN_set_word(e.get(), RSA_F4) || |
| !RSA_generate_multi_prime_key(rsa.get(), bits, nprimes, e.get(), NULL) || |
| !PEM_write_bio_RSAPrivateKey(bio.get(), rsa.get(), NULL /* cipher */, |
| NULL /* key */, 0 /* key len */, |
| NULL /* password callback */, |
| NULL /* callback arg */)) { |
| ERR_print_errors_fp(stderr); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| } // namespace bssl |