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Crypt::Keyczar::Signer - Sign and Verify data using sets of symmetric or private keys.


  use Crypt::Keyczar::Signer;
  my $signer = Crypt::Keyczar::Signer->new('/path/to/keyset');
  my $signature = $signer->sign($message);
  $signer->verify($message, $signature) ? 'OK' : 'NG';


Crypt::Keyczar::Signer may both sign and verify data using sets of symmetric or private keys. Sets of public keys may only used with Crypt::Keyczar::Verifier objects. Crypt::Keyczar::Singer objects should be used with symmetric or private key sets to generate signatures.


    * new($keyset_path)

    Create a new Crypt::Keyczar::Signer object with a file-based key set location. This will attempt to read the keys using a Crypt::Keyczar::FileReader. The corresponsing key set must have a purpose of crypt. $keyset_path is directory containing a key set.

    * new($reader_object)

    Create a new Crypt::Keyczar::Signer object with a Crypt::Keyczar::Reader object.

    * sign($message)

    Sign the given $message and return a signature.

    * sign($message, $expiration_time)

    Sign the given $message and return a signature with expiration.

    * verify($message, $signature>)

    Verifies a $signature on the given $message.


"keyczar" in bin, Crypt::Keyczar, Crypt::Keyczar::Verifier, http://www.keyczar.org/


Hiroyuki OYAMA <oyama@mixi.co.jp>


Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at


Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

1 POD Error

The following errors were encountered while parsing the POD:

Around line 80:

=back doesn't take any parameters, but you said =back 4