diff options
Diffstat (limited to 'apps/genrsa.c')
-rw-r--r-- | apps/genrsa.c | 250 |
1 files changed, 82 insertions, 168 deletions
diff --git a/apps/genrsa.c b/apps/genrsa.c index cf60219642..b7275aef7a 100644 --- a/apps/genrsa.c +++ b/apps/genrsa.c @@ -1,4 +1,3 @@ -/* apps/genrsa.c */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * @@ -74,192 +73,108 @@ # include <openssl/rand.h> # define DEFBITS 2048 -# undef PROG -# define PROG genrsa_main static int genrsa_cb(int p, int n, BN_GENCB *cb); -int MAIN(int, char **); +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; -int MAIN(int argc, char **argv) -{ - BN_GENCB *cb = NULL; +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 *e = NULL; + {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, # endif - int ret = 1; - int non_fips_allow = 0; - int num = DEFBITS; + {NULL} +}; + +int genrsa_main(int argc, char **argv) +{ + BN_GENCB *cb = BN_GENCB_new(); + 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; unsigned long f4 = RSA_F4; - char *outfile = NULL; - char *passargout = NULL, *passout = NULL; + char *outfile = NULL, *passoutarg = NULL, *passout = NULL; + char *engine = NULL, *inrand = NULL, *prog; char *hexe, *dece; -# 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; - - cb = BN_GENCB_new(); - if (!cb) - goto err; + OPTION_CHOICE o; - apps_startup(); + if (!bn || !cb) + goto end; 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) + 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; - else if (strcmp(*argv, "-F4") == 0 || strcmp(*argv, "-f4") == 0) + break; + case OPT_F4: 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 if (strcmp(*argv, "-non-fips-allow") == 0) + break; + case OPT_NON_FIPS_ALLOW: non_fips_allow = 1; - 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; + case OPT_OUT: + outfile = opt_arg(); + case OPT_ENGINE: + engine = opt_arg(); + 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(); - ERR_load_crypto_strings(); + if (argv[0] && (!opt_int(argv[0], &num) || num <= 0)) + goto end; - if (!app_passwd(bio_err, NULL, passargout, NULL, &passout)) { + if (!app_passwd(NULL, passoutarg, NULL, &passout)) { BIO_printf(bio_err, "Error getting password\n"); - goto err; + goto end; } # ifndef OPENSSL_NO_ENGINE - e = setup_engine(bio_err, engine, 0); + e = setup_engine(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; - } - } + out = bio_open_default(outfile, "w"); + if (out == NULL) + goto end; - if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL + 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"); @@ -276,15 +191,15 @@ int MAIN(int argc, char **argv) rsa = RSA_new_method(e); # endif if (!rsa) - goto err; + 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 err; + goto end; - app_RAND_write_file(NULL, bio_err); + app_RAND_write_file(NULL); hexe = BN_bn2hex(rsa->e); dece = BN_bn2dec(rsa->e); @@ -302,11 +217,11 @@ int MAIN(int argc, char **argv) if (!PEM_write_bio_RSAPrivateKey(out, rsa, enc, NULL, 0, (pem_password_cb *)password_callback, &cb_data)) - goto err; + goto end; } ret = 0; - err: + end: if (bn) BN_free(bn); if (cb) @@ -317,8 +232,7 @@ int MAIN(int argc, char **argv) OPENSSL_free(passout); if (ret != 0) ERR_print_errors(bio_err); - apps_shutdown(); - OPENSSL_EXIT(ret); + return (ret); } static int genrsa_cb(int p, int n, BN_GENCB *cb) |