Description
bool 
openssl_private_decrypt ( string data, string &decrypted, mixed key [, int padding] )
     openssl_private_decrypt() decrypts
     data that was previous encrypted via
     openssl_public_encrypt() and stores the result into
     decrypted.  key must be the
     private key corresponding that was used to encrypt the
     data.  padding defaults to
     OPENSSL_PKCS1_PADDING, but can also be one of
     OPENSSL_SSLV23_PADDING,
     OPENSSL_PKCS1_OAEP_PADDING,
     OPENSSL_NO_PADDING.
    
     Returns TRUE on success or FALSE on failure.
    
     You can use this function e.g. to decrypt data which were supposed only to
     you.
    
     See also openssl_public_encrypt() and
     openssl_public_decrypt().