Samuel Erdtman wrote:
> Senders SHOULD encode an empty protected map as a
>       zero length binary object (i.e., the byte string h'a0'). 

Oh.  Good catch.  It seems to me that the "i.e." refers to the "empty
protected map" that you would find normally encoded as h'a0' (the
encoding of which in turn is 0x41a0). This is then shortened to an empty
byte string h'' (the encoding of which in turn is 0x40).
The "i.e." could be read as referring to the latter (this is actually
more a more likely reading), so it probably should be moved to the first
half of the sentence.

Grüße, Carsten

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