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10. IANA Considerations

10.1 JSON Web Signature and Encryption Header Parameters Registration​

This section registers the Header Parameter names defined in Section 4.1 in the IANA "JSON Web Signature and Encryption Header Parameters" registry established by [JWS].

10.1.1 Registry Contents​

  • Header Parameter Name: "alg"

  • Header Parameter Description: Algorithm

  • Header Parameter Usage Location(s): JWE

  • Change Controller: IESG

  • Specification Document(s): Section 4.1.1 of RFC 7516

  • Header Parameter Name: "enc"

  • Header Parameter Description: Encryption Algorithm

  • Header Parameter Usage Location(s): JWE

  • Change Controller: IESG

  • Specification Document(s): Section 4.1.2 of RFC 7516

  • Header Parameter Name: "zip"

  • Header Parameter Description: Compression Algorithm

  • Header Parameter Usage Location(s): JWE

  • Change Controller: IESG

  • Specification Document(s): Section 4.1.3 of RFC 7516

  • Header Parameter Name: "jku"

  • Header Parameter Description: JWK Set URL

  • Header Parameter Usage Location(s): JWE

  • Change Controller: IESG

  • Specification Document(s): Section 4.1.4 of RFC 7516

  • Header Parameter Name: "jwk"

  • Header Parameter Description: JSON Web Key

  • Header Parameter Usage Location(s): JWE

  • Change Controller: IESG

  • Specification Document(s): Section 4.1.5 of RFC 7516

  • Header Parameter Name: "kid"

  • Header Parameter Description: Key ID

  • Header Parameter Usage Location(s): JWE

  • Change Controller: IESG

  • Specification Document(s): Section 4.1.6 of RFC 7516

  • Header Parameter Name: "x5u"

  • Header Parameter Description: X.509 URL

  • Header Parameter Usage Location(s): JWE

  • Change Controller: IESG

  • Specification Document(s): Section 4.1.7 of RFC 7516

  • Header Parameter Name: "x5c"

  • Header Parameter Description: X.509 Certificate Chain

  • Header Parameter Usage Location(s): JWE

  • Change Controller: IESG

  • Specification Document(s): Section 4.1.8 of RFC 7516

  • Header Parameter Name: "x5t"

  • Header Parameter Description: X.509 Certificate SHA-1 Thumbprint

  • Header Parameter Usage Location(s): JWE

  • Change Controller: IESG

  • Specification Document(s): Section 4.1.9 of RFC 7516

  • Header Parameter Name: "x5t#S256"

  • Header Parameter Description: X.509 Certificate SHA-256 Thumbprint

  • Header Parameter Usage Location(s): JWE

  • Change Controller: IESG

  • Specification Document(s): Section 4.1.10 of RFC 7516

  • Header Parameter Name: "typ"

  • Header Parameter Description: Type

  • Header Parameter Usage Location(s): JWE

  • Change Controller: IESG

  • Specification Document(s): Section 4.1.11 of RFC 7516

  • Header Parameter Name: "cty"

  • Header Parameter Description: Content Type

  • Header Parameter Usage Location(s): JWE

  • Change Controller: IESG

  • Specification Document(s): Section 4.1.12 of RFC 7516

  • Header Parameter Name: "crit"

  • Header Parameter Description: Critical

  • Header Parameter Usage Location(s): JWE

  • Change Controller: IESG

  • Specification Document(s): Section 4.1.13 of RFC 7516

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