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Crypt::RSA::SS::PKCS1v15(3) User Contributed Perl Documentation Crypt::RSA::SS::PKCS1v15(3)

Crypt::RSA::SS::PKCS1v15 - PKCS #1 v1.5 signatures.

    my $pkcs = new Crypt::RSA::SS::PKCS1v15 ( 
                        Digest => 'MD5'
                    );

    my $signature = $pkcs->sign (
                        Message => $message,
                        Key     => $private, 
                    ) || die $pss->errstr;

    my $verify    = $pkcs->verify (
                        Message   => $message, 
                        Key       => $key, 
                        Signature => $signature, 
                    ) || die $pss->errstr;

This module implements PKCS #1 v1.5 signatures based on RSA. See [13] for details on the scheme.

Constructor. Takes a hash as argument with the following key:
Digest
Name of the Message Digest algorithm. Three Digest algorithms are supported: MD2, MD5 and SHA1. Digest defaults to SHA1.

Returns the version number of the module.

Computes a PKCS #1 v1.5 signature on a message with the private key of the signer. sign() takes a hash argument with the following mandatory keys:
Message
Message to be signed, a string of arbitrary length.
Key
Private key of the signer, a Crypt::RSA::Key::Private object.

Verifies a signature generated with sign(). Returns a true value on success and false on failure. $self->errstr is set to "Invalid signature." or appropriate error on failure. verify() takes a hash argument with the following mandatory keys:
Key
Public key of the signer, a Crypt::RSA::Key::Public object.
Message
The original signed message, a string of arbitrary length.
Signature
Signature computed with sign(), a string.

See ERROR HANDLING in Crypt::RSA(3) manpage.

See BIBLIOGRAPHY in Crypt::RSA(3) manpage.

Vipul Ved Prakash, <mail@vipul.net>

Crypt::RSA(3), Crypt::RSA::Primitives(3), Crypt::RSA::Keys(3), Crypt::RSA::EME::OAEP(3)
2009-06-07 perl v5.32.1

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