Internet Assigned Numbers Authority

                                                                HTTP Message Signature

   Created
   2023-08-18

   Last Updated
   2024-09-19

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   Registries included below

     • HTTP Signature Algorithms
     • HTTP Signature Metadata Parameters
     • HTTP Signature Derived Component Names
     • HTTP Signature Component Parameters

HTTP Signature Algorithms

   Registration Procedure(s)

 Specification Required

   Expert(s)

 Justin Richer, Manu Sporny

   Reference
   [RFC9421]

   Available Formats
   [IMG]
   CSV

    Algorithm Name                 Description               Status         Reference
   rsa-pss-sha512    RSASSA-PSS using SHA-512                Active [RFC 9421, Section 3.3.1]
   rsa-v1_5-sha256   RSASSA-PKCS1-v1_5 using SHA-256         Active [RFC 9421, Section 3.3.2]
   hmac-sha256       HMAC using SHA-256                      Active [RFC 9421, Section 3.3.3]
   ecdsa-p256-sha256 ECDSA using curve P-256 DSS and SHA-256 Active [RFC 9421, Section 3.3.4]
   ecdsa-p384-sha384 ECDSA using curve P-384 DSS and SHA-384 Active [RFC 9421, Section 3.3.5]
   ed25519           EdDSA using curve edwards25519          Active [RFC 9421, Section 3.3.6]

HTTP Signature Metadata Parameters

   Registration Procedure(s)

 Expert Review

   Expert(s)

 Justin Richer, Manu Sporny

   Reference
   [RFC9421]

   Available Formats
   [IMG]
   CSV

    Name                                      Description                                            Reference
   alg     Explicitly declared signature algorithm                                            [RFC 9421, Section 2.3]
   created Timestamp of signature creation                                                    [RFC 9421, Section 2.3]
   expires Timestamp of proposed signature expiration                                         [RFC 9421, Section 2.3]
   keyid   Key identifier for the signing and verification keys used to create this signature [RFC 9421, Section 2.3]
   nonce   A single-use nonce value                                                           [RFC 9421, Section 2.3]
   tag     An application-specific tag for a signature                                        [RFC 9421, Section 2.3]

HTTP Signature Derived Component Names

   Registration Procedure(s)

 Expert Review

   Expert(s)

 Justin Richer, Manu Sporny

   Reference
   [RFC9421]

   Available Formats
   [IMG]
   CSV

         Name                              Description                        Status      Target               Reference
   @signature-params Reserved for signature parameters line in signature base Active Request, Response [RFC 9421, Section 2.3]
   @method           The HTTP request method                                  Active Request           [RFC 9421, Section 2.2.1]
   @authority        The HTTP authority, or target host                       Active Request           [RFC 9421, Section 2.2.3]
   @scheme           The URI scheme of the request URI                        Active Request           [RFC 9421, Section 2.2.4]
   @target-uri       The full target URI of the request                       Active Request           [RFC 9421, Section 2.2.2]
   @request-target   The request target of the request                        Active Request           [RFC 9421, Section 2.2.5]
   @path             The full path of the request URI                         Active Request           [RFC 9421, Section 2.2.6]
   @query            The full query of the request URI                        Active Request           [RFC 9421, Section 2.2.7]
   @query-param      A single named query parameter                           Active Request           [RFC 9421, Section 2.2.8]
   @status           The status code of the response                          Active Response          [RFC 9421, Section 2.2.9]

HTTP Signature Component Parameters

   Registration Procedure(s)

 Expert Review

   Expert(s)

 Justin Richer, Manu Sporny

   Reference
   [RFC9421]

   Available Formats
   [IMG]
   CSV

   Name                   Description                            Reference
   sf   Strict Structured Field serialization            [RFC 9421, Section 2.1.1]
   key  Single key value of Dictionary Structured Fields [RFC 9421, Section 2.1.2]
   bs   Byte Sequence wrapping indicator                 [RFC 9421, Section 2.1.3]
   tr   Trailer                                          [RFC 9421, Section 2.1.4]
   req  Related request indicator                        [RFC 9421, Section 2.4]
   name Single named query parameter                     [RFC 9421, Section 2.2.8]

   Licensing Terms