Get the JWE Protected Header

See more JSON Web Encryption (JWE) Examples

Demonstrates Jwe.GetProtectedHeader, which copies the decoded shared JWE protected header into a JsonObject.

load ./chilkat.dll

set success 0

set jwe [new_CkJwe]

#  Load the JWE.
set jweCompact "eyJhbGciOiJBMjU2S1ciLCJlbmMiOiJBMjU2R0NNIn0.<...>.<iv>.<ciphertext>.<tag>"
set success [CkJwe_LoadJwe $jwe $jweCompact]
if {$success == 0} then {
    puts [CkJwe_lastErrorText $jwe]
    delete_CkJwe $jwe
    exit
}

#  Copy the decoded shared JWE protected header into a JsonObject.  Only the protected header is
#  returned; it is not merged with the unprotected or per-recipient headers.
set json [new_CkJsonObject]

set success [CkJwe_GetProtectedHeader $jwe $json]
if {$success == 0} then {
    puts [CkJwe_lastErrorText $jwe]
    delete_CkJwe $jwe
    delete_CkJsonObject $json
    exit
}

CkJsonObject_put_EmitCompact $json 0
puts [CkJsonObject_emit $json]

delete_CkJwe $jwe
delete_CkJsonObject $json