2.2.9.1.3.1.2.1 Metadata Fields
The first part contains metadata about the encrypted message and it MUST contain the following headers. All headers and their fields MUST be case-sensitive.
Tokens
Content-Type: Contains the media type of the encrypted message.
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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 the following.
-
application/HTTP-CredSSP-session-encrypted
OriginalContent: Contains information about the original message before encryption.
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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) format and it MUST be set to one of UTF-8 or UTF-16.
lengthvalue: Contains the length of the original message.