2.2.9.1.2.2.1 Metadata Fields

The first part of the message payload contains metadata about the encrypted message and MUST contain the following headers. All headers and their contents MUST be case-sensitive.

Tokens

Content-Type:  Contains the media type of the encrypted message.

 Content-Type = HT"Content-Type"":" 1#(contenttype)

HT:  The horizontal tab character. It MUST precede the literal "Content-Type".

contenttype:  Contains the encrypted message content type, and it MUST be set to one of the following values.

 application/HTTP-SPNEGO-session-encrypted
 application/HTTP-Kerberos-session-encrypted
  
  

OriginalContent: Contains information about the original message before encryption.

 OriginalContent=HT"OriginalContent"":
      "1#(contenttype";""charset""="charsetvalue";
       ""Length""="lengthvalue)
  

HT:  The horizontal tab character. It MUST precede the literal "OriginalContent".

contenttype:  Contains the message content type of the original message and it MUST be set to application/soap+xml.

charsetvalue:  Contains the Unicode Transformation Format (UTF) and it MUST be set to either UTF-8 or UTF-16.

lengthvalue:  Contains the length of the original message.