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07:18 < ryan-c> gmaxwell: Thanks. Doesn't surprise me.
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23:34 < TD-Linux> 10 signing operations https://people.xiph.org/~tdaede/pics/sidechannel/DS1Z_QuickPrint39.png
23:34 < TD-Linux> 1 signing operation https://people.xiph.org/~tdaede/pics/sidechannel/DS1Z_QuickPrint40.png
23:52 < gmaxwell> TD-Linux: interesting! what is on input3?
23:52 < TD-Linux> gmaxwell, just a LED for triggering
23:52 < gmaxwell> thats great. so when the signing starts the led goes low?
23:53 < TD-Linux> yes     
23:53 < TD-Linux> given that I have 4 channels, I can annotate this in much greater detail
23:54 < gmaxwell> there is a very clear power signature.
23:55 < TD-Linux> timing wise it's rock stable
23:55 < gmaxwell> TD-Linux: the '1 signing'  is a zoom into the 10? looks like the patten repeats.
23:56 < TD-Linux> yes     
23:56 < TD-Linux> the right bit is the next signature
23:56 < TD-Linux> with no delay
23:57 < TD-Linux> er actually not quite... the part on the right is serialize_compact I believe
23:57 < gmaxwell> looks like in the major operation there are 64 pulses,  that would be the 64 table lookups and adds, from the 4-bit table usage.
23:58 < gmaxwell> so it looks like sha256 for RFC6719 I'd guess, then the generation of the nonce.
23:59 < TD-Linux> yeah, I can put additional annotations around any particular function
23:59 < TD-Linux> it's more interesting live... the "dip" in power at the very first of the 64 pulses is all over the place
23:59 < TD-Linux> but the rest are continuous
23:59 < TD-Linux> it's currently signing random data... I'm going to now apply patterns