3. Authentication
of Electronic Records.- (1) Subject to the provisions
of this section any subscriber may authenticate an electronic
record by affixing his Digital Signature.
(2) The authentication of the electronic record shall be effected
by the use of asymmetric crypto system and hash function which
envelop and transform the initial electronic record into another
electronic record.
Explanation -For the purposes of this sub-section, "Hash
function" means an algorithm mapping or translation of
one sequence of bits into another, generally smaller, set
known as "Hash Result" such that an electronic record
yields the same hash result every time the algorithm is executed
with the same electronic record as its input making it computationally
infeasible
(a) to derive or reconstruct the original electronic record
from the hash result produced by the algorithm;
(b) that two electronic records can produce the same hash
result using the algorithm.
(3) Any person by the use of a public key of the subscriber
can verify the electronic record.
(4) The private key and the public key are unique to the
subscriber and constitute a functioning key pair.
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