CkPython

Get a JWS Unprotected Header

See more JSON Web Signatures (JWS) Examples

Demonstrates Jws.GetUnprotectedH, which copies the optional unprotected header of a signature into a JsonObject.

Background. The unprotected header is present only in JSON serialization forms that carry one. It is not covered by the signature.

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CkPython

import sys
import chilkat

success = False

jws = chilkat.CkJws()

#  Load the JWS compact serialization.
jwsCompact = "eyJhbGciOiJIUzI1NiJ9.VGhpcyBpcyB0aGUgY29udGVudCB0byBzaWduLg.<signature>"
success = jws.LoadJws(jwsCompact)
if (success == False):
    print(jws.lastErrorText())
    sys.exit()

#  Copy the optional unprotected header of signature 0 into a JsonObject.  This applies to JWS in a
#  JSON serialization form that carries an unprotected header.
json = chilkat.CkJsonObject()
success = jws.GetUnprotectedH(0,json)
if (success == False):
    print(jws.lastErrorText())
    sys.exit()

json.put_EmitCompact(False)
print(json.emit())