06-09-2015
Hi Zhen
You know the drill, what have you tried yourself?
You could:
1) use read line, 'ignore' the first line, and then do checks on every later line (num)
2) use some awk
Thank you
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PRIME(1SSL) OpenSSL PRIME(1SSL)
NAME
openssl-prime, prime - compute prime numbers
SYNOPSIS
openssl prime [-help] [-hex] [-generate] [-bits] [-safe] [-checks] [number...]
DESCRIPTION
The prime 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.
[-hex]
Generate hex output.
[-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 generated is n, then check that (n-1)/2 is also prime.
[-checks num]
Perform the checks num times to see that the generated number is prime. The default is 20.
COPYRIGHT
Copyright 2017 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>.
1.1.1a 2018-12-18 PRIME(1SSL)