ASN1                    Functions for handling ASN.1 format (typically
                        DER)
BIGNUMint               Functions for BIGNUM representation of
                        arbitrarily precise integers
PKI.crypt               PKI encryption/decryption functions
PKI.digest              Compute digest sum based on SHA1 or MD5 hash
                        functions
PKI.sign                PKI: sign content or verify a signature
RSA                     PKI functions handling RSA keys
X509                    Public Key Instraftructure (X509) functions
raw2hex                 Convert raw vector to string hex representation
