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13:19 < phantomcircuit> gmaxwell, does the current master have compact recovery still?
13:20 < phantomcircuit> it would be nice to remove the openssl code for compact recovery for the sign/verify message rpc calls
13:20 < phantomcircuit> especially ECDSA_SIG_recover_key_GFp...
13:20 < sipa> yes, optionally enabled with --enable-module-recovery
13:39 < phantomcircuit> i guess there isn't much point in doing that until the other openssl verify code is removed
13:41 < sipa> patience, my phadawan
13:41 < sipa> i have a branch that does all that
13:42 < sipa> including for messages
13:58 < phantomcircuit> ah
13:58 < phantomcircuit> sipa, neat :)
15:21 < btcdrak> can a channel OP please PM me
15:23 -!- mode/#secp256k1 [+o sipa] by ChanServ
15:55 <@sipa> ok, so how shall i be calling the lax-really-discouraged-der-parser?
15:58 <@gmaxwell> secp256k1_ecdsa_signature_parse_sloppy_encoding  ?
16:40 <@gmaxwell> sipa: if you believe your permissive decoder gets all of BER, perhaps it should just be called BER?
16:40 <@sipa> it supports more than BER :)
16:40 <@sipa> (negative numbers)
16:40 <@gmaxwell> Hm? ber doesn't do negative numbers?
16:41 <@sipa> BER specifies that numbers are encoded in 2's complement notation
16:41 <@gmaxwell> another possibility is to call it "malleable"
16:41 <@sipa> ECDSA signatures only have positive numbers in them, so the top bit will never be 1
16:42 <@gmaxwell> as in, name it based on the property people need to understand about it.
16:42 <@sipa> however, OpenSSL accepts signatures where the top bit is 1, and interprets them as unsigned integers anyway
16:42 <@sipa> but BER doesn't have a concept of unsigned integers, only integers
16:42 <@sipa> so, OpenSSL and my parser are more lax than BER is
16:42 <@gmaxwell> ah, got it.. it's not that it's negative numbers, its that openssl misinters a ber negative number.
16:43 <@sipa> by implicitly assuming the numbers are unsigned, and violating BER's intended interpretation
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