Converting points on curve to un/compressed numbers.

2025-01-05 13:55:54 +03:00 · 2018-06-27 20:20:35 +02:00 · 2018-06-27 20:20:35 +02:00 · beae8cc01a
commit beae8cc01a
parent 3ac9b33697
1 changed files with 8 additions and 0 deletions
--- a/lib/bip.hoon
+++ b/lib/bip.hoon
@ -304,6 +304,14 @@
    =/  p  ~(. fo p)
    =/  n  ~(. fo n)
    |%
+    ++  point-compressed
+      |=  pont
+      (can 3 ~[w^x 1^(add 0x2 (cut 0 [0 1] y))])
+    ::
+    ++  point-uncompressed
+      |=  pont
+      (can 3 ~[w^y w^x 1^0x4])
+    ::
    ++  priv-to-pub                                     ::  get pub from priv
      |=  prv=@
      ^-  pont