{
 "expect": {
  "code": "ED_TORSION_A",
  "result": "FAIL"
 },
 "fixture_format": "handoff-v0-fixture/1",
 "id": "XN1-e3",
 "informative": {
  "cofactored_equation_holds": true,
  "cofactorless_equation_holds": true
 },
 "inputs": {
  "msg_hex": "7765696f2d68616e646f66662f76302f7369672d6576656e7400b775dd75789db32351c81ae1850f21cedb247b41a8a1ed722089238418273454",
  "pubkey_hex": "45e6c4158152fb88d8c1aea5fcd70373606a2e9b418b47fd1df84684ff5e5df8",
  "sig_hex": "b9633e38147a32168321c56d7b907517b20af20dfcd7534f4fcbe9d7c82d239e8f1c3198f9a2058cd3ccbf513df33bea425b40b4ea001fed38424d8c9f85c60a"
 },
 "kind": "ed25519",
 "spec_sections": [
  "\u00a72.2"
 ],
 "title": "A = aB + T (order 2), k even: BOTH equations hold; only the subgroup check refuses",
 "vector": "XN1"
}