jwk_thumbprint.calculateJwkThumbprint.md

Function: calculateJwkThumbprint

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▸ calculateJwkThumbprint(jwk, digestAlgorithm?): Promise<string>

Calculates a base64url-encoded JSON Web Key (JWK) Thumbprint

Parameters

Name	Type	Description
jwk	JWK	JSON Web Key.
digestAlgorithm?	"sha256" | "sha384" | "sha512"	Digest Algorithm to use for calculating the thumbprint. Default is "sha256".

Returns

Promise<string>

Example

const thumbprint = await jose.calculateJwkThumbprint({
  kty: 'EC',
  crv: 'P-256',
  x: 'jJ6Flys3zK9jUhnOHf6G49Dyp5hah6CNP84-gY-n9eo',
  y: 'nhI6iD5eFXgBTLt_1p3aip-5VbZeMhxeFSpjfEAf7Ww',
})

console.log(thumbprint)
// 'w9eYdC6_s_tLQ8lH6PUpc0mddazaqtPgeC2IgWDiqY8'

See

RFC7638