OPENSSL-PRIME(1ossl) OpenSSL OPENSSL-PRIME(1ossl) NAME openssl-prime - compute prime numbers SYNOPSIS openssl prime [-help] [-hex] [-in] [-generate] [-bits num] [-safe] [-provider name] [-provider-path path] [-provparam [name:]key=value] [-propquery propq] [-checks num] [number ...] DESCRIPTION This command checks if the specified numbers are prime. If no numbers are given on the command line, the -generate flag should be used to generate primes according to the requirements specified by the rest of the flags. OPTIONS -help Display an option summary. -hexEnable hex format for output from prime generation or input to primal- ity checking. -in Provide file names containing numbers for primality checking. -generate Generate a prime number. -bits num Generate a prime with num bits. -safe When used with -generate, generates a "safe" prime. If the number gen- erated is n, then check that "(n-1)/2" is also prime. -provider name -provider-path path -provparam [name:]key=value -propquery propq See "Provider Options" in openssl(1), provider(7), and property(7). -checks num This parameter is ignored. COPYRIGHT Copyright 2017-2025 The OpenSSL Project Authors. All Rights Reserved. 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>. 4.0.2 2026-08-25 OPENSSL-PRIME(1ossl)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | COPYRIGHT
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