I-D Action: draft-irtf-cfrg-hpke-11.txt
internet-drafts@ietf.org Mon, 02 August 2021 16:00 UTC
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Subject: I-D Action: draft-irtf-cfrg-hpke-11.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Crypto Forum RG of the IRTF. Title : Hybrid Public Key Encryption Authors : Richard L. Barnes Karthik Bhargavan Benjamin Lipp Christopher A. Wood Filename : draft-irtf-cfrg-hpke-11.txt Pages : 104 Date : 2021-08-02 Abstract: This document describes a scheme for hybrid public-key encryption (HPKE). This scheme provides a variant of public-key encryption of arbitrary-sized plaintexts for a recipient public key. It also includes three authenticated variants, including one which authenticates possession of a pre-shared key, and two optional ones which authenticate possession of a KEM private key. HPKE works for any combination of an asymmetric key encapsulation mechanism (KEM), key derivation function (KDF), and authenticated encryption with additional data (AEAD) encryption function. Some authenticated variants may not be supported by all KEMs. We provide instantiations of the scheme using widely used and efficient primitives, such as Elliptic Curve Diffie-Hellman key agreement, HKDF, and SHA2. This document is a product of the Crypto Forum Research Group (CFRG) in the IRTF. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-irtf-cfrg-hpke/ There is also an HTML version available at: https://www.ietf.org/archive/id/draft-irtf-cfrg-hpke-11.html A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-irtf-cfrg-hpke-11 Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/
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