Hi All I have posted the draft, https://www.ietf.org/id/draft-urien-lwig-security-classes-00.txt
Which is an enhanced/modified version of https://tools.ietf.org/html/draft-urien-suit-security-classes-00 This draft attempts to define security classes for constraint IoT devices. A device security is characterized by five Boolean security attributes: one time programmable memory (OTP), firmware loader (FLD), secure firmware loader (FLD-SEC), tamper resistant key (TRT-KEY) and diversified key (DIV-KEY). This leads to the definition of 6 classes of devices, embedding or not OTP resource, whose security increases with the class number (0 to 5). The suffix + indicates OTP availability I reduced the number of security classes a tried to clarify the rationnal Regards Pascal
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