### Functional interface: use Crypt::Mac::Poly1305 qw( poly1305 poly1305_hex ); # calculate MAC from string/buffer $poly1305_raw = poly1305($key, 'data buffer'); $poly1305_hex = poly1305_hex($key, 'data buffer'); $poly1305_b64 = poly1305_b64($key, 'data buffer'); $poly1305_b64u = poly1305_b64u($key, 'data buffer'); ### OO interface: use Crypt::Mac::Poly1305; $d = Crypt::Mac::Poly1305->new($key); $d->add('any data'); $d->addfile('filename.dat'); $d->addfile(*FILEHANDLE); $result_raw = $d->mac; # raw bytes $result_hex = $d->hexmac; # hexadecimal form $result_b64 = $d->b64mac; # Base64 form $result_b64u = $d->b64umac; # Base64 URL Safe form
You can export selected functions:
use Crypt::Mac::Poly1305 qw(poly1305 poly1305_hex );
Or all of them at once:
use Crypt::Mac::Poly1305 ':all';
$poly1305_raw = poly1305($key, 'data buffer'); #or $poly1305_raw = poly1305($key, 'any data', 'more data', 'even more data');
$poly1305_hex = poly1305_hex($key, 'data buffer'); #or $poly1305_hex = poly1305_hex($key, 'any data', 'more data', 'even more data');
$poly1305_b64 = poly1305_b64($key, 'data buffer'); #or $poly1305_b64 = poly1305_b64($key, 'any data', 'more data', 'even more data');
$poly1305_b64url = poly1305_b64u($key, 'data buffer'); #or $poly1305_b64url = poly1305_b64u($key, 'any data', 'more data', 'even more data');
$d = Crypt::Mac::Poly1305->new($key);
$d->clone();
$d->reset();
$d->add('any data'); #or $d->add('any data', 'more data', 'even more data');
$d->addfile('filename.dat'); #or $d->addfile(*FILEHANDLE);
$result_raw = $d->mac();
$result_hex = $d->hexmac();
$result_b64 = $d->b64mac();
$result_b64url = $d->b64umac();