While verifying any electronic record or information certified through the digital signature under Rule 3 by creating a new digital signature having used public key by means of hash function, the digital signature contained in such electronic record or information, as the case may be, shall be deemed to be of originator’s electronic record or information if the verifying software verifies the digital signature by showing the following conditions:
(a) If such digital signature corresponds to the digital signature created after tallying with the public key of the person affixing the digital signature.
(b) If the hash result extracted by means of public key by the  verifier and the original hash result extracted from the digital signature contained in the electronic record are identical.