### Functional interface: use Crypt::Mac::BLAKE2b qw( blake2b blake2b_hex ); # calculate MAC from string/buffer $blake2b_raw = blake2b($size, $key, 'data buffer'); $blake2b_hex = blake2b_hex($size, $key, 'data buffer'); $blake2b_b64 = blake2b_b64($size, $key, 'data buffer'); $blake2b_b64u = blake2b_b64u($size, $key, 'data buffer'); ### OO interface: use Crypt::Mac::BLAKE2b; $d = Crypt::Mac::BLAKE2b->new($size, $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::BLAKE2b qw(blake2b blake2b_hex );
Or all of them at once:
use Crypt::Mac::BLAKE2b ':all';
$blake2b_raw = blake2b($size, $key, 'data buffer'); #or $blake2b_raw = blake2b($size, $key, 'any data', 'more data', 'even more data');
$blake2b_hex = blake2b_hex($size, $key, 'data buffer'); #or $blake2b_hex = blake2b_hex($size, $key, 'any data', 'more data', 'even more data');
$blake2b_b64 = blake2b_b64($size, $key, 'data buffer'); #or $blake2b_b64 = blake2b_b64($size, $key, 'any data', 'more data', 'even more data');
$blake2b_b64url = blake2b_b64u($size, $key, 'data buffer'); #or $blake2b_b64url = blake2b_b64u($size, $key, 'any data', 'more data', 'even more data');
$d = Crypt::Mac::BLAKE2b->new($size, $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();