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fed-prims: Phase E — Ed25519 verify (RFC 8032), pure-OCaml bignum + edwards25519
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Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
giles
2026-05-18 17:05:59 +00:00
parent d8b57784fe
commit 76d1e9f53a
4 changed files with 352 additions and 2 deletions
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10
hosts/ocaml/lib/sx_primitives.ml
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@@ -4201,4 +4201,12 @@ let () =
| [v] ->
(try String (Sx_cid.cid_from_sx v)
with Sx_cbor.Cbor_error m -> raise (Eval_error m))
| _ -> raise (Eval_error "cid-from-sx: (value)"))
| _ -> raise (Eval_error "cid-from-sx: (value)"));
(* Verify is total: any malformed input -> false, never raises. *)
register "ed25519-verify" (fun args ->
match args with
| [String pk; String msg; String sg] ->
Bool (try Sx_ed25519.verify ~pubkey:pk ~msg ~sig_:sg
with _ -> false)
| _ -> Bool false)