Ionut Turturica > Crypt-OpenSSL-PKCS10 > Crypt::OpenSSL::PKCS10

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NAME ^

Crypt::OpenSSL::PKCS10 - Perl extension to OpenSSL's PKCS10 API.

SYNOPSIS ^

  use Crypt::OpenSSL::PKCS10::PKCS10 qw( :const );
  
  my $req = Crypt::OpenSSL::PKCS10->new;
  $req->set_subject("/C=RO/O=UTI/OU=ssi");
  $req->add_ext(Crypt::OpenSSL::PKCS10::NID_key_usage,"critical,digitalSignature,keyEncipherment");
  $req->add_ext(Crypt::OpenSSL::PKCS10::NID_ext_key_usage,"serverAuth, nsSGC, msSGC, 1.3.4");
  $req->add_ext(Crypt::OpenSSL::PKCS10::NID_subject_alt_name,"email:steve@openssl.org");
  $req->add_custom_ext('1.2.3.3',"My new extension");
  $req->add_ext_final();
  $req->sign();
  $req->write_pem_req('request.pem');
  $req->write_pem_pk('pk.pem');
  print $req->get_pem_req();

ABSTRACT ^

  Crypt::OpenSSL::PKCS10 - Perl extension to OpenSSL's PKCS10 API.

DESCRIPTION ^

Crypt::OpenSSL::PKCS10 provides the ability to create PKCS10 certificate requests using RSA key pairs.

Class Methods ^

new

Create a new Crypt::OpenSSL::PKCS10 object by generating a new RSA key pair. There is one optional argument, the key size, which has the default value of 1024 if omitted.

new_from_rsa( $rsa_object )

Create a new Crypt::OpenSSL::PKCS10 object by using key information from a Crypt::OpenSSL::RSA object. Here is an example:

  my $rsa = Crypt::OpenSSL::RSA->generate_key(512);
  my $req = Crypt::OpenSSL::PKCS10->new_from_rsa($rsa);
new_from_file( $filename )

Create a new Crypt::OpenSSL::PKCS10 object by reading the request and key information from a PEM formatted file. Here is an example:

  my $req = Crypt::OpenSSL::PKCS10->new_from_file("CSR.csr");

Instance Methods ^

set_subject($subject)

Sets the subject DN of the request. Note: $subject is expected to be in the format /type0=value0/type1=value1/type2=... where characters may be escaped by \

add_ext($nid, $extension)

Adds a new extension to the request. The first argument $nid is one of the exported constants (see below). The second one $extension is a string (for more info read openssl(3)).

  $req->add_ext(Crypt::OpenSSL::PKCS10::NID_key_usage,"critical,digitalSignature,keyEncipherment");
  $req->add_ext(Crypt::OpenSSL::PKCS10::NID_ext_key_usage,"serverAuth, nsSGC, msSGC, 1.3.4");
  $req->add_ext(Crypt::OpenSSL::PKCS10::NID_subject_alt_name,"email:steve@openssl.org");
add_custom_ext($oid, $desc)

Adds a new custom extension to the request. The value is added as a text string, using ASN.1 encoding rules inherited from the Netscape Comment OID.

  $req->add_custom_ext('1.2.3.3',"My new extension");
add_custom_ext_raw($oid, $bytes)

Adds a new custom extension to the request. The value is added as a raw DER octet string. Use this if you are packing your own ASN.1 structures and need to set the extension value directly.

  $req->add_custom_ext_raw($oid, pack('H*','1E06006100620063')) # BMPString 'abc'
add_ext_final()

This must be called after all extensions has been added. It actually copies the extension stack to request structure.

  $req->add_ext(Crypt::OpenSSL::PKCS10::NID_subject_alt_name,"email:my@email.org");
  $req->add_ext_final();
sign()

This adds the signature to the PKCS10 request.

  $req->sign();
get_pem_req()

Returns the PEM encoding of the PKCS10 request.

  $req->get_pem_req();
write_pem_req($filename)

Writes the PEM encoding of the PKCS10 request to a given file.

  $req->write_pem_req('request.pem');
get_pem_pk()

Returns the PEM encoding of the private key.

  $req->get_pem_pk();
write_pem_pk($filename)

Writes the PEM encoding of the private key to a given file.

  $req->write_pem_pk('request.pem');
subject()

returns the subject of the PKCS10 request

  $subject = $req->subject();
keyinfo()

returns the human readable info about the key of the PKCS10 request

  $keyinfo = $req->keyinfo();

EXPORT

None by default.

On request:

        NID_key_usage NID_subject_alt_name NID_netscape_cert_type NID_netscape_comment
        NID_ext_key_usage

BUGS ^

If you destroy $req object that is linked to a Crypt::OpenSSL::RSA object, the RSA private key is also freed, thus you can't use latter object anymore. Avoid this:

  my $rsa = Crypt::OpenSSL::RSA->generate_key(512);
  my $req = Crypt::OpenSSL::PKCS10->new_from_rsa($rsa);
  undef $req;
  print $rsa->get_private_key_string();

SEE ALSO ^

Crypt::OpenSSL::RSA, Crypt::OpenSSL::X509.

AUTHOR ^

JoNO, <jonozzz@yahoo.com>

COPYRIGHT AND LICENSE ^

Copyright (C) 2006 by JoNO

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.2 or, at your option, any later version of Perl 5 you may have available.

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