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📄 CA.pl.in(7.4 KB)
📄 app_rand.c(2.18 KB)
📄 apps.c(72.85 KB)
📄 apps.h(24.69 KB)
📄 asn1pars.c(10.31 KB)
📄 bf_prefix.c(4.77 KB)
📄 build.info(2.32 KB)
📄 ca-cert.srl(3 B)
📄 ca-key.pem(916 B)
📄 ca-req.pem(635 B)
📄 ca.c(83.78 KB)
📄 cert.pem(623 B)
📄 ciphers.c(7.19 KB)
📄 client.pem(3.21 KB)
📄 cms.c(44.05 KB)
📄 crl.c(10.79 KB)
📄 crl2p7.c(6.18 KB)
📄 ct_log_list.cnf(412 B)
📄 dgst.c(18.17 KB)
📄 dh1024.pem(446 B)
📄 dh2048.pem(662 B)
📄 dh4096.pem(1007 B)
📄 dhparam.c(11.15 KB)
📄 dsa-ca.pem(2.66 KB)
📄 dsa-pca.pem(2.67 KB)
📄 dsa.c(7.53 KB)
📄 dsa1024.pem(455 B)
📄 dsa512.pem(280 B)
📄 dsap.pem(276 B)
📄 dsaparam.c(7.8 KB)
📄 ec.c(8.13 KB)
📄 ecparam.c(14.65 KB)
📄 enc.c(20.74 KB)
📄 engine.c(15.56 KB)
📄 errstr.c(1.83 KB)
📄 gendsa.c(3.92 KB)
📄 genpkey.c(8.64 KB)
📄 genrsa.c(5.36 KB)
📄 nseq.c(3 KB)
📄 ocsp.c(49.51 KB)
📄 openssl.c(21.23 KB)
📄 openssl.cnf(10.67 KB)
📄 opt.c(23.61 KB)
📄 passwd.c(26.43 KB)
📄 pca-cert.srl(3 B)
📄 pca-key.pem(916 B)
📄 pca-req.pem(635 B)
📄 pkcs12.c(30.81 KB)
📄 pkcs7.c(5.38 KB)
📄 pkcs8.c(11.26 KB)
📄 pkey.c(7.24 KB)
📄 pkeyparam.c(3.66 KB)
📄 pkeyutl.c(15.58 KB)
📄 prime.c(3.56 KB)
📄 privkey.pem(916 B)
📄 progs.h(16.05 KB)
📄 progs.pl(5.43 KB)
📄 rand.c(3.35 KB)
📄 rehash.c(15.3 KB)
📄 req.c(51.46 KB)
📄 req.pem(627 B)
📄 rsa.c(9.3 KB)
📄 rsa8192.pem(6.21 KB)
📄 rsautl.c(7.81 KB)
📄 s1024key.pem(891 B)
📄 s1024req.pem(643 B)
📄 s512-key.pem(497 B)
📄 s512-req.pem(460 B)
📄 s_apps.h(3.3 KB)
📄 s_cb.c(47.04 KB)
📄 s_client.c(115.39 KB)
📄 s_server.c(116.36 KB)
📄 s_socket.c(13.43 KB)
📄 s_time.c(11.92 KB)
📄 server.pem(2.79 KB)
📄 server.srl(3 B)
📄 server2.pem(3.21 KB)
📄 sess_id.c(5.4 KB)
📄 smime.c(20.95 KB)
📄 speed.c(120.17 KB)
📄 spkac.c(5.73 KB)
📄 srp.c(20.09 KB)
📄 storeutl.c(16.13 KB)
📄 testCA.pem(432 B)
📄 testdsa.h(11.77 KB)
📄 testrsa.h(121.12 KB)
📄 timeouts.h(560 B)
📄 ts.c(30.19 KB)
📄 tsget.in(6.45 KB)
📄 verify.c(10.52 KB)
📄 version.c(5.07 KB)
📄 x509.c(39.25 KB)

Editing: prime.c

/*
 * Copyright 2004-2018 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (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 <string.h>

#include "apps.h"
#include "progs.h"
#include <openssl/bn.h>

typedef enum OPTION_choice {
    OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
    OPT_HEX, OPT_GENERATE, OPT_BITS, OPT_SAFE, OPT_CHECKS
} OPTION_CHOICE;

const OPTIONS prime_options[] = {
    {OPT_HELP_STR, 1, '-', "Usage: %s [options] [number...]\n"},
    {OPT_HELP_STR, 1, '-',
        "  number Number to check for primality\n"},
    {"help", OPT_HELP, '-', "Display this summary"},
    {"hex", OPT_HEX, '-', "Hex output"},
    {"generate", OPT_GENERATE, '-', "Generate a prime"},
    {"bits", OPT_BITS, 'p', "Size of number in bits"},
    {"safe", OPT_SAFE, '-',
     "When used with -generate, generate a safe prime"},
    {"checks", OPT_CHECKS, 'p', "Number of checks"},
    {NULL}
};

int prime_main(int argc, char **argv)
{
    BIGNUM *bn = NULL;
    int hex = 0, checks = 20, generate = 0, bits = 0, safe = 0, ret = 1;
    char *prog;
    OPTION_CHOICE o;

prog = opt_init(argc, argv, prime_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:
            opt_help(prime_options);
            ret = 0;
            goto end;
        case OPT_HEX:
            hex = 1;
            break;
        case OPT_GENERATE:
            generate = 1;
            break;
        case OPT_BITS:
            bits = atoi(opt_arg());
            break;
        case OPT_SAFE:
            safe = 1;
            break;
        case OPT_CHECKS:
            checks = atoi(opt_arg());
            break;
        }
    }
    argc = opt_num_rest();
    argv = opt_rest();

if (generate) {
        if (argc != 0) {
            BIO_printf(bio_err, "Extra arguments given.\n");
            goto opthelp;
        }
    } else if (argc == 0) {
        BIO_printf(bio_err, "%s: No prime specified\n", prog);
        goto opthelp;
    }

if (generate) {
        char *s;

if (!bits) {
            BIO_printf(bio_err, "Specify the number of bits.\n");
            goto end;
        }
        bn = BN_new();
        if (bn == NULL) {
            BIO_printf(bio_err, "Out of memory.\n");
            goto end;
        }
        if (!BN_generate_prime_ex(bn, bits, safe, NULL, NULL, NULL)) {
            BIO_printf(bio_err, "Failed to generate prime.\n");
            goto end;
        }
        s = hex ? BN_bn2hex(bn) : BN_bn2dec(bn);
        if (s == NULL) {
            BIO_printf(bio_err, "Out of memory.\n");
            goto end;
        }
        BIO_printf(bio_out, "%s\n", s);
        OPENSSL_free(s);
    } else {
        for ( ; *argv; argv++) {
            int r;

if (hex)
                r = BN_hex2bn(&bn, argv[0]);
            else
                r = BN_dec2bn(&bn, argv[0]);

if (!r) {
                BIO_printf(bio_err, "Failed to process value (%s)\n", argv[0]);
                goto end;
            }

BN_print(bio_out, bn);
            BIO_printf(bio_out, " (%s) %s prime\n",
                       argv[0],
                       BN_is_prime_ex(bn, checks, NULL, NULL)
                           ? "is" : "is not");
        }
    }

ret = 0;
 end:
    BN_free(bn);
    return ret;
}

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Editing: prime.c

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