| Crypt::Mac::XCBC(3) | User Contributed Perl Documentation | Crypt::Mac::XCBC(3) | 
NAME¶
Crypt::Mac::XCBC - Message authentication code XCBC (RFC 3566)
SYNOPSIS¶
   ### Functional interface:
   use Crypt::Mac::XCBC qw( xcbc xcbc_hex );
   # calculate MAC from string/buffer
   $xcbc_raw  = xcbc($cipher_name, $key, 'data buffer');
   $xcbc_hex  = xcbc_hex($cipher_name, $key, 'data buffer');
   $xcbc_b64  = xcbc_b64($cipher_name, $key, 'data buffer');
   $xcbc_b64u = xcbc_b64u($cipher_name, $key, 'data buffer');
   ### OO interface:
   use Crypt::Mac::XCBC;
   $d = Crypt::Mac::XCBC->new($cipher_name, $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
DESCRIPTION¶
Provides an interface to the XCBC message authentication code (MAC) algorithm.
EXPORT¶
Nothing is exported by default.
You can export selected functions:
use Crypt::Mac::XCBC qw(xcbc xcbc_hex );
Or all of them at once:
use Crypt::Mac::XCBC ':all';
FUNCTIONS¶
xcbc¶
Logically joins all arguments into a single string, and returns its XCBC message authentication code encoded as a binary string.
$xcbc_raw = xcbc($cipher_name, $key, 'data buffer'); #or $xcbc_raw = xcbc($cipher_name, $key, 'any data', 'more data', 'even more data');
xcbc_hex¶
Logically joins all arguments into a single string, and returns its XCBC message authentication code encoded as a hexadecimal string.
$xcbc_hex = xcbc_hex($cipher_name, $key, 'data buffer'); #or $xcbc_hex = xcbc_hex($cipher_name, $key, 'any data', 'more data', 'even more data');
xcbc_b64¶
Logically joins all arguments into a single string, and returns its XCBC message authentication code encoded as a Base64 string.
$xcbc_b64 = xcbc_b64($cipher_name, $key, 'data buffer'); #or $xcbc_b64 = xcbc_b64($cipher_name, $key, 'any data', 'more data', 'even more data');
xcbc_b64u¶
Logically joins all arguments into a single string, and returns its XCBC message authentication code encoded as a Base64 URL Safe string (see RFC 4648 section 5).
$xcbc_b64url = xcbc_b64u($cipher_name, $key, 'data buffer'); #or $xcbc_b64url = xcbc_b64u($cipher_name, $key, 'any data', 'more data', 'even more data');
METHODS¶
new¶
$d = Crypt::Mac::XCBC->new($cipher_name, $key);
clone¶
$d->clone();
reset¶
$d->reset();
add¶
 $d->add('any data');
 #or
 $d->add('any data', 'more data', 'even more data');
addfile¶
 $d->addfile('filename.dat');
 #or
 $d->addfile(*FILEHANDLE);
mac¶
$result_raw = $d->mac();
hexmac¶
$result_hex = $d->hexmac();
b64mac¶
$result_b64 = $d->b64mac();
b64umac¶
$result_b64url = $d->b64umac();
SEE ALSO¶
- CryptX
 - <https://www.ietf.org/rfc/rfc3566.txt>
 
| 2025-06-11 | perl v5.42.0 |