Section 40: Generating key pair

Information Technology Act • Official Statutory Text & Practice Guide

Statutory Regulation
Legal Standard
Competent Court / Tribunal
Act 2000

Legal Commentary & Landmark Judgments: Section 40

Section 40 governs the generation of key pairs by subscribers, establishing the statutory rule that in generating a digital signature key pair, the subscriber must generate the private key and public key by applying the prescribed security procedure.

  • Subscriber's Exclusive Duty of Key Generation: Imposes the legal obligation directly on the subscriber to generate their private key and corresponding public key using secure software and hardware.
  • Application of Notified Security Procedures: Mandates that key pair generation must comply with cryptographic standards and algorithms notified by the Central Government and Controller.
  • Cryptographic Correspondence Requirement: Requires that the generated public key must mathematically correspond to and verify signatures created by the private key.
Key Landmark Precedents:
  • State (NCT of Delhi) v. Navjot Sandhu (2005) 11 SCC 600: Supreme Court highlighted the critical evidentiary importance of cryptographic key generation and algorithmic integrity in digital forensics.
  • Arjun Panditrao Khotkar v. Kailash Kushanrao Gorantyal (2020) 7 SCC 1: Supreme Court emphasized that statutory electronic procedures ensure digital integrity from the moment of creation through judicial production.
  • Anvar P.V. v. P.K. Basheer (2014) 10 SCC 473: Supreme Court reaffirmed that electronic records and signatures must comply with statutory technical safeguards to be legally unimpeachable.
Courtroom Practice & Strategic Litigation Guidance:

In cyber forensics litigation, establish that key generation occurred on a certified Hardware Security Module (HSM) or secure cryptoprocessor under Section 40, defeating allegations that the private key was intercepted or generated by unauthorized third parties.