On Wednesday, December 23, 2015 3:05 PM, Eric Rescorla wrote: >> I wonder what the zero length string actually means. Is it a null-terminated >> string >> that would encode in binary as a one octet byte string of value 0, or an >> empty >> string that would encode in binary as a zero length string? > > I see what you mean about the ambiguity here. What I meant was 0 bytes > (i.e., no trailing '\0').
OK, makes sense. >> There is one example of encoding a string in section 4.8.1, and the binary >> representation >> shows the encoding of the final null byte. Is that a common assumption? > > No. > >> Similarly, in the HKDF-Expand-Label, do we assume a final null byte for the >> "label"? > > No. I wonder if we should instead add the '\0' explicitly in the 4.8.1 for > maximal clarity. Either that, or just remove the trailing 00 from the binary description. -- Christian Huitema _______________________________________________ TLS mailing list TLS@ietf.org https://www.ietf.org/mailman/listinfo/tls
