libcrypt-openssl-rsa-perl 0.25-1build1 (i386 binary) in ubuntu jaunty

 Provides a glue to the RSA functions in the OpenSSL library. In
 particular, it provides the following functionalities: create a key from
 a string, make a new key, save key to a string, save public portion of
 key to a string using format compatible with OpenSSL's command-line rsa
 tool, encrypt, decrypt, sign, verify, return the size in bytes of a key,
 check the validity of a key.