Ninjastic
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Board Development & Technical Discussion
Re: Pollard's kangaroo ECDLP solver
by
WanderingPhilospher
on 21/06/2020, 18:40:40 UTC
Quote from: Shadow86 on Today at 06:36:20 PM
Quote from: WanderingPhilospher on Today at 05:52:29 PM
Quote from: Shadow86 on Today at 05:35:14 PM
Anyone how to calculate pub key length
What do you mean? How many characters/digits in a pubkey? Compressed, Uncompressed?
compressed, starts with 02 or 03:
Code:
03284635D3127EA5E6AFFAD7213BED1BBB63535D9B2B4E22F63ED5093CB30FDAA5

uncompressed:
Code:
04284635D3127EA5E6AFFAD7213BED1BBB63535D9B2B4E22F63ED5093CB30FDAA5F30279671068A413636A6116F3E43CFB2B476067C8CF6F801EE68E8C3E6D5F4F

I know difference from compress and uncompress i want to know how to check what is lenght and which range belong example i saw here 64 is from 8:f if you explain
Ok, it sounds like you are talking private key versus public key. Because 64 bits is from 8000000000000000:FFFFFFFFFFFFFFFF . The pubkeys are always the same length, just start with different number, 02, 03, 04 (uncompressed) and there is no way of knowing what range a pubkey lies in, unless you have the private key.