Phore does not use the correct hash-to-curve function. The spec changed over time and Phore only supports the previous spec. This could be fixed by porting SSWU and SVD hash implementations to Phore
for latest hash2curve spec, expected sig result as below:
sec:4aac41b5cb665b93e031faa751944b1f14d77cb17322403cba8df1d6e4541a4d
pub:841c5235ec7f4eed02b3f3bb60622d3ed0aba74016f4850c6d7c962656a4b78d72a15caeef62dfe656d03990590c0026
sig:af7ab839885d3189502b1092895c4676357ef7a32863bd4253eb4c7ab12fc3aa5a9d9a82e1e641c1c85965c468e1d33018e8a0bbe1d4aef5e751b3c94876c4de312d7ccca34c9fe6b80d8dd00c6a499759cea7febfc661f80831f9547c158c84