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      1 =pod
      2 
      3 =head1 NAME
      4 
      5 openssl-prime,
      6 prime - compute prime numbers
      7 
      8 =head1 SYNOPSIS
      9 
     10 B<openssl prime>
     11 [B<-help>]
     12 [B<-hex>]
     13 [B<-generate>]
     14 [B<-bits>]
     15 [B<-safe>]
     16 [B<-checks>]
     17 [I<number...>]
     18 
     19 =head1 DESCRIPTION
     20 
     21 The B<prime> command checks if the specified numbers are prime.
     22 
     23 If no numbers are given on the command line, the B<-generate> flag should
     24 be used to generate primes according to the requirements specified by the
     25 rest of the flags.
     26 
     27 =head1 OPTIONS
     28 
     29 =over 4
     30 
     31 =item [B<-help>]
     32 
     33 Display an option summary.
     34 
     35 =item [B<-hex>]
     36 
     37 Generate hex output.
     38 
     39 =item [B<-generate>]
     40 
     41 Generate a prime number.
     42 
     43 =item [B<-bits num>]
     44 
     45 Generate a prime with B<num> bits.
     46 
     47 =item [B<-safe>]
     48 
     49 When used with B<-generate>, generates a "safe" prime. If the number
     50 generated is B<n>, then check that B<(n-1)/2> is also prime.
     51 
     52 =item [B<-checks num>]
     53 
     54 Perform the checks B<num> times to see that the generated number
     55 is prime.  The default is 20.
     56 
     57 =back
     58 
     59 =head1 COPYRIGHT
     60 
     61 Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
     62 
     63 Licensed under the OpenSSL license (the "License").  You may not use
     64 this file except in compliance with the License.  You can obtain a copy
     65 in the file LICENSE in the source distribution or at
     66 L<https://www.openssl.org/source/license.html>.
     67 
     68 =cut
     69