Use of Hybrid Public Key Encryption (HPKE) with JSON Web Encryption (JWE)#854
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Use of Hybrid Public Key Encryption (HPKE) with JSON Web Encryption (JWE)#854
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Pending IESG review of https://datatracker.ietf.org/doc/draft-ietf-jose-hpke-encrypt/ and its IANA registrations this adds the following Integrated Encryption HPKE algorithms:
HPKE-0DHKEM(P-256, HKDF-SHA256) KEM, HKDF-SHA256 KDF, and AES-128-GCM AEADHPKE-3DHKEM(X25519, HKDF-SHA256) KEM, HKDF-SHA256 KDF, and AES-128-GCM AEADHPKE-4DHKEM(X25519, HKDF-SHA256) KEM, HKDF-SHA256 KDF, and ChaCha20Poly1305 AEADHPKE-7DHKEM(P-256, HKDF-SHA256) KEM, HKDF-SHA256 KDF, and AES-256-GCM AEADI do not plan on supporting Key Encryption modes (unless requested for a compelling reason).
The HPKE algorithms above are an all-in-one alternative to Direct Key Agreement (ECDH-ES) followed by a Content Encryption step.