AWhat changed
The original conference work provides randomized encrypted-message pairs based on inherited key exchange and a distinct publicly verifiable signature relation with signing/verification procedures.
Scientific scope
The original conference work provides randomized encrypted-message pairs based on inherited key exchange and a distinct publicly verifiable signature relation with signing/verification procedures. This target is CRYPTO'84 proceedings pages 10–18, published 1985; the journal edition is not another credited contribution. The paper explicitly leaves general signature-breaking/discrete-log equivalence unproved, requires fresh nonce use and notes a forgery/message-structure caveat. Historical hardness estimates are not current deployment guidance, modern chosen-ciphertext security or post-quantum protection.
Evidence
Source-linked, scoped account of the original work. The published scope states the scientific assumptions and remaining verification limits. WRS has not independently certified the full proof, experimental result or system benchmark.
Contributors
- Taher ElGamal · SCIENCE: Original source-listed scientific author of this scoped work; byline does not determine effort fractions.
- Taher El Gamal, A Public Key Cryptosystem and a Signature Scheme Based on Discrete Logarithms, Advances in Cryptology—CRYPTO'84, LNCS 196,10–18 (1985)
- Springer original-chapter metadata: El Gamal, CRYPTO 1984 proceedings, LNCS 196, DOI 10.1007/3-540-39568-7_2
Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.
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