pyecsca/ec/data/formulas/ladd-bc-r1rv76-x25519


1
2
3
4
5

source BouncyCastle r1rv76 https://github.com/bcgit/bc-java/blob/r1rv76/core/src/main/java/org/bouncycastle/math/ec/rfc7748/X25519.java#L111
parameter a24
assume a24 = (a+2)/4
assume Z1 = 1
coords xz