### example 1 use Crypt::Mode::CBC; my $key = '...'; # length has to be valid key size for this cipher my $iv = '...'; # 16 bytes my $cbc = Crypt::Mode::CBC->new('Skipjack'); my $ciphertext = $cbc->encrypt("secret data", $key, $iv); ### example 2 (slower) use Crypt::CBC; use Crypt::Cipher::Skipjack; my $key = '...'; # length has to be valid key size for this cipher my $iv = '...'; # 16 bytes my $cbc = Crypt::CBC->new( -cipher=>'Cipher::Skipjack', -key=>$key, -iv=>$iv ); my $ciphertext = $cbc->encrypt("secret data");
BEWARE: This module implements just elementary ``one-block-(en|de)cryption'' operation - if you want to encrypt/decrypt generic data you have to use some of the cipher block modes - check for example Crypt::Mode::CBC, Crypt::Mode::CTR or Crypt::CBC (which will be slower).
$c = Crypt::Cipher::Skipjack->new($key); #or $c = Crypt::Cipher::Skipjack->new($key, $rounds);
$ciphertext = $c->encrypt($plaintext);
$plaintext = $c->decrypt($ciphertext);
$c->keysize; #or Crypt::Cipher::Skipjack->keysize; #or Crypt::Cipher::Skipjack::keysize;
$c->blocksize; #or Crypt::Cipher::Skipjack->blocksize; #or Crypt::Cipher::Skipjack::blocksize;
$c->max_keysize; #or Crypt::Cipher::Skipjack->max_keysize; #or Crypt::Cipher::Skipjack::max_keysize;
$c->min_keysize; #or Crypt::Cipher::Skipjack->min_keysize; #or Crypt::Cipher::Skipjack::min_keysize;
$c->default_rounds; #or Crypt::Cipher::Skipjack->default_rounds; #or Crypt::Cipher::Skipjack::default_rounds;