Secure electronic signatures require exclusive signatory control over signature creation data and prescribed storage and affixing safeguards.

Section 15 deems an electronic signature secure where signature creation data is exclusively controlled by the signatory at the time of signing and is stored and affixed in the prescribed exclusively controlled manner. In relation to a digital signature, the signature creation data is the subscriber's private key. The earlier framework for secure digital signatures also required uniqueness, subscriber identification, exclusive control, and linkage to the electronic record ensuring invalidation upon alteration.

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