Lianja

Set the JWE Protected Header

See more JSON Web Encryption (JWE) Examples

Demonstrates Jwe.SetProtectedHeader, which sets the integrity-protected JWE header from a JsonObject. The header specifies the key-management algorithm (alg) and content-encryption algorithm (enc).

Background. The protected header is integrity-protected and applies to all recipients. It is configured before encrypting.

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llSuccess = .F.

loJwe = createobject("CkJwe")

//  Build the JWE protected header.  The "alg" member names the key-management algorithm and the "enc"
//  member names the content-encryption algorithm.
loHeader = createobject("CkJsonObject")
loHeader.UpdateString("alg","A256KW")
loHeader.UpdateString("enc","A256GCM")

//  Set the protected header on the JWE.  The protected header is integrity-protected and applies to
//  all recipients.
llSuccess = loJwe.SetProtectedHeader(loHeader)
if (llSuccess = .F.) then
    ? loJwe.LastErrorText
    release loJwe
    release loHeader
    return
endif

? "Protected header set."


release loJwe
release loHeader