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.\"
.IX Title "OPENSSL-PRIME 1SSL"
.TH OPENSSL-PRIME 1SSL 2024-04-11 3.3.0 OpenSSL
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.nh
.SH NAME
openssl\-prime \- compute prime numbers
.SH SYNOPSIS
.IX Header "SYNOPSIS"
\&\fBopenssl prime\fR
[\fB\-help\fR]
[\fB\-hex\fR]
[\fB\-generate\fR]
[\fB\-bits\fR \fInum\fR]
[\fB\-safe\fR]
[\fB\-provider\fR \fIname\fR]
[\fB\-provider\-path\fR \fIpath\fR]
[\fB\-propquery\fR \fIpropq\fR]
[\fB\-checks\fR \fInum\fR]
[\fInumber\fR ...]
.SH DESCRIPTION
.IX Header "DESCRIPTION"
This command checks if the specified numbers are prime.
.PP
If no numbers are given on the command line, the \fB\-generate\fR flag should
be used to generate primes according to the requirements specified by the
rest of the flags.
.SH OPTIONS
.IX Header "OPTIONS"
.IP \fB\-help\fR 4
.IX Item "-help"
Display an option summary.
.IP \fB\-hex\fR 4
.IX Item "-hex"
Generate hex output.
.IP \fB\-generate\fR 4
.IX Item "-generate"
Generate a prime number.
.IP "\fB\-bits\fR \fInum\fR" 4
.IX Item "-bits num"
Generate a prime with \fInum\fR bits.
.IP \fB\-safe\fR 4
.IX Item "-safe"
When used with \fB\-generate\fR, generates a "safe" prime. If the number
generated is \fIn\fR, then check that \f(CW\*(C`(\fR\f(CIn\fR\f(CW\-1)/2\*(C'\fR is also prime.
.IP "\fB\-provider\fR \fIname\fR" 4
.IX Item "-provider name"
.PD 0
.IP "\fB\-provider\-path\fR \fIpath\fR" 4
.IX Item "-provider-path path"
.IP "\fB\-propquery\fR \fIpropq\fR" 4
.IX Item "-propquery propq"
.PD
See "Provider Options" in \fBopenssl\fR\|(1), \fBprovider\fR\|(7), and \fBproperty\fR\|(7).
.IP "\fB\-checks\fR \fInum\fR" 4
.IX Item "-checks num"
This parameter is ignored.
.SH COPYRIGHT
.IX Header "COPYRIGHT"
Copyright 2017\-2020 The OpenSSL Project Authors. All Rights Reserved.
.PP
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>.