# phpman > man > py3rsa-verify(1)

[py3rsa-verify(1)](https://www.chedong.com/phpMan.php/man/py3rsa-verify/1/markdown)                       General Commands Manual                      [py3rsa-verify(1)](https://www.chedong.com/phpMan.php/man/py3rsa-verify/1/markdown)



## NAME
       **py3rsa-verify** - verify a signature

## SYNOPSIS
       **py3rsa-verify** [_OPTION_]... _PUBLIC_KEY_ _SIGNATURE_FILE_

## DESCRIPTION
       Verify  a  signature,  exit  with status 0 upon success, print an error message and exit with
       status 1 upon error.

## OPTIONS
### -h --help
              show help message and exit

### -i --input=
              name of the signed file to verify. Read from stdin if not specified.

       **--keyform=**_KEYFORM_
              key format of the public key - default PEM

## EXIT STATUS
       0 if signature can be verified, 1 otherwise.

## AUTHOR
       **py3rsa-verify** was written by Sybren A. Stuvel <sybren AT stuvel.eu>.



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