💾 Archived View for thrig.me › tech › ssl › certid.pl captured on 2023-06-14 at 15:34:53.

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#!/usr/bin/env perl
use 5.12.0;
use warnings;
use Net::SSLeay;
my $bio  = Net::SSLeay::BIO_new_file( shift, 'r' );
my $cert = Net::SSLeay::PEM_read_bio_X509($bio);
say Net::SSLeay::X509_get_fingerprint( $cert, 'sha256' );