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IEEE P1363 is an Institute of Electrical and Electronics Engineers (IEEE) standardization project for public-key cryptography. It includes specifications for:

The chair of the working group as of October 2008 is William Whyte of NTRU Cryptosystems, Inc., who has served since August 2001. Former chairs were Ari Singer, also of NTRU (1999–2001), and Burt Kaliski of RSA Security (1994–1999).

The IEEE Standard Association withdrew all of the 1363 standards except 1363.3-2013 on 7 November 2019.[1]

Traditional public-key cryptography (IEEE Std 1363-2000 and 1363a-2004)

This specification includes key agreement, signature, and encryption schemes using several mathematical approaches: integer factorization, discrete logarithm, and elliptic curve discrete logarithm.

Key agreement schemes

Signature schemes

Encryption schemes

Lattice-based public key cryptography (IEEE Std 1363.1-2008)

Password-based public-key cryptography (IEEE Std 1363.2-2008)

This document includes a number of password-authenticated key agreement schemes, and a password-authenticated key retrieval scheme.

Identity-based public key cryptography based on pairings (IEEE Std 1363.3-2013)

This standard was published on 15 November 2013. It includes techniques for identity-based encryption, signatures, signcryption, key agreement, and proxy re-encryption, all based on bilinear pairings.


  1. ^ "IEEE Standards: 1363-2000, 1363a-2004, 1363.1-2008, 1363.2-2008, 1363.3-2013".