arno/bitcoinbook
1
0
Fork 0
mirror of https://github.com/bitcoinbook/bitcoinbook synced 2025-02-23 13:02:21 +00:00
Code Issues Releases Wiki Activity

Edited ch04_keys.adoc with Atlas code editor

Browse Source
This commit is contained in:
claylock 2023-10-27 12:45:26 +00:00
parent a8c29df821
commit eeffda8583
1 changed files with 7 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
ch04_keys.adoc
View File

@ -825,6 +825,12 @@ the software to correctly deduce the _y_ coordinate from the _x_
coordinate and uncompress the public key to the full coordinates of the
point. Public key compression is illustrated in <<pubkey_compression>>.
[[pubkey_compression]]
.Public key compression
image::images/mbc3_0408.png["pubkey_compression"]
Here's the same public key generated in <<public_key_derivation>>, shown as a compressed
public key stored in 264 bits (66 hex digits) with the prefix +03+
indicating the _y_ coordinate is odd:
@ -845,9 +851,7 @@ key can produce a public key expressed in two different formats
addresses. However, the private key is identical for both Bitcoin
addresses.
[[pubkey_compression]]
.Public key compression
image::images/mbc3_0408.png["pubkey_compression"]
Compressed public keys are now the default in almost all Bitcoin
software and were required when using certain new features added