(PHP 4 >= 4.0.6, PHP 5)
openssl_private_encrypt — Encrypts data with private key
$padding= OPENSSL_PKCS1_PADDING ] )
data with private
key and stores the result into
crypted. Encrypted data can be decrypted via openssl_public_decrypt().
This function can be used e.g. to sign data (or its hash) to prove that it is not written by someone else.
padding can be one of
TRUE on success or
FALSE on failure.