On Sun, Jun 17, 2012 at 2:04 PM, Pieter Wuille wrote: > On Sun, Jun 17, 2012 at 01:01:12PM +0200, Mike Hearn wrote: > > > * 0x04 [32-byte X coord] [32-byte Y coord]: uncompressed format > > > * 0x06 [32-byte X coord] [32-byte Y coord]: hybrid format for even Y > coords > > > * 0x07 [32-byte X coord] [32-byte Y coord]: hybrid format for odd Y > coords > > > > So what's the actual difference in format? Is there any at all, or > > it's just the first number that's different? > > >From what I understand, that is indeed the only difference. > > To prevent surprises in the future, in case OpenSSL decides to add more, can we disable all other key formats in advance? Wladimir