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Crypt::Cipher::SAFER_SK128(3) User Contributed Perl Documentation Crypt::Cipher::SAFER_SK128(3)

Crypt::Cipher::SAFER_SK128 - Symmetric cipher SAFER_SK128, key size: 128 bits

  ### 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('SAFER_SK128');
  my $ciphertext = $cbc->encrypt("secret data", $key, $iv);

  ### example 2 (slower)
  use Crypt::CBC;
  use Crypt::Cipher::SAFER_SK128;

  my $key = '...'; # length has to be valid key size for this cipher
  my $iv = '...';  # 16 bytes
  my $cbc = Crypt::CBC->new( -cipher=>'Cipher::SAFER_SK128', -key=>$key, -iv=>$iv );
  my $ciphertext = $cbc->encrypt("secret data");

This module implements the SAFER_SK128 cipher. Provided interface is compliant with Crypt::CBC module.

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).

 $c = Crypt::Cipher::SAFER_SK128->new($key);
 #or
 $c = Crypt::Cipher::SAFER_SK128->new($key, $rounds);

 $ciphertext = $c->encrypt($plaintext);

 $plaintext = $c->decrypt($ciphertext);

  $c->keysize;
  #or
  Crypt::Cipher::SAFER_SK128->keysize;
  #or
  Crypt::Cipher::SAFER_SK128::keysize;

  $c->blocksize;
  #or
  Crypt::Cipher::SAFER_SK128->blocksize;
  #or
  Crypt::Cipher::SAFER_SK128::blocksize;

  $c->max_keysize;
  #or
  Crypt::Cipher::SAFER_SK128->max_keysize;
  #or
  Crypt::Cipher::SAFER_SK128::max_keysize;

  $c->min_keysize;
  #or
  Crypt::Cipher::SAFER_SK128->min_keysize;
  #or
  Crypt::Cipher::SAFER_SK128::min_keysize;

  $c->default_rounds;
  #or
  Crypt::Cipher::SAFER_SK128->default_rounds;
  #or
  Crypt::Cipher::SAFER_SK128::default_rounds;

  • CryptX, Crypt::Cipher
  • <https://en.wikipedia.org/wiki/SAFER>
2022-01-07 perl v5.32.1

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