x
IESG
Registry Context
In an OKP JWK, `x` contains the base64url-encoded public key.
Technical Summary
The `x` parameter is mandatory for the `OKP` key type and contains the public key encoded using base64url encoding.
When Used
In any JSON Web Key whose `kty` value is `OKP`, including private keys.
Normative Requirements
An OKP JWK
MUST
1RFC 8037 - Section 2
include the `x` parameter containing the public key encoded using base64url encoding.
The parameter "x" MUST be present and contain the public key encoded using the base64url [RFC4648] encoding.
Validation Guidance
error
Reject an OKP JWK if `x` is absent or is not a base64url encoding of its public key.
Reference
Details
- Entry Id
x- Parameter Name
x- Parameter Description
X Coordinate- Used With Kty Value
EC- Parameter Information Class
Public- Change Controller
IESG- Reference
RFC7518 - Section 6.2.1.2