openssl-prime

(1ssl)

compute prime numbers

User commands 10 optionsopenssl 3.5.6-1~deb13u2

openssl prime [-help] [-hex] [-generate] [-bits num] [-safe] [-provider name] [-provider-path path] [-provparam [name:]key=value] [-propquery propq] [-checks num] [number ...]

Options

-help

Display an option summary.

-hex

Generate hex output.

-generate

Generate a prime number.

-bitsnum

Generate a prime with num bits.

-safe

When used with -generate, generates a "safe" prime. If the number generated is n, then check that "(n-1)/2" is also prime.

-providername

—

-provider-pathpath

—

-provparam[name:]key=value

—

-propquerypropq

See "Provider Options" in openssl(1), provider(7), and property(7).

-checksnum

This parameter is ignored.

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.

COPYRIGHT

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.