X.400 Image Body Parts
Extracted elements (8)
The document notes that documenting OIDs assigned to image formats as FTAM body parts (allowing MIME types to be converted to FTAM body parts) will probably be more useful than the new X.400 Extended Body Parts defined in this document.
The mapping between MIME image/gif and the X.400 gif-body-part (Extended Body Part, OID gif-body-part) requires no conversion.
The mapping between MIME image/jpeg and the X.400 jpeg-body-part (Extended Body Part, OID jpeg-body-part) requires no conversion.
The MIME image/gif type maps to the FTAM EMA GIF body part using EMA OID { ema objects(2) messaging(2) attachments(1) gif-image(4) } with no conversion. Note: the document lists the MIME Content-Type as image/jpeg in section 3.4, which appears to be a typographic error (should be image/gif).
The MIME image/jpeg type also maps to the FTAM EMA JPEG body part (OID { 2 16 840 1 113694 2 2 1 6 }) with no conversion required. This FTAM equivalence is noted as likely more useful than the newly defined body parts.
The GIF Extended Body Part for X.400 is defined with DATA as OCTET STRING and OID mime-gif-body assigned as { mixer-bp-data 4 }. It has no parameters. Content is as defined in MIME.
The JPEG Extended Body Part for X.400 is defined with DATA as OCTET STRING and OID mime-jpeg-body assigned as { mixer-bp-data 3 }. It has no parameters. Content is as defined in MIME.
Security issues are explicitly not considered in this memo.