Function: decodeProtectedHeader()

💗 Help the project

Support from the community to continue maintaining and improving this module is welcome. If you find the module useful, please consider supporting the project by becoming a sponsor.

▸ decodeProtectedHeader(token): ProtectedHeaderParameters

Decodes the Protected Header of a JWE/JWS/JWT token utilizing any JOSE serialization.

This function is exported (as a named export) from the main 'jose' module entry point as well as from its subpath export 'jose/decode/protected_header'.

Parameters

Parameter	Type	Description
token	string | object	JWE/JWS/JWT token in any JOSE serialization.

Returns

ProtectedHeaderParameters

Example

const protectedHeader = jose.decodeProtectedHeader(token)
console.log(protectedHeader)