Fix curve mulgen iterate/derive

2020-02-14 12:16:21 +09:00 · 2020-02-14 12:16:21 +09:00 · f47fb628f0
parent 8dec368878
commit f47fb628f0
1 changed files with 14 additions and 12 deletions
--- a/libp2p/crypto/curve25519.nim
+++ b/libp2p/crypto/curve25519.nim
@ -58,7 +58,9 @@ proc mul*(_: type[Curve25519], dst: var Curve25519Key, scalar: Curve25519Key, po
  assert res == 1

 proc mulgen*(_: type[Curve25519], dst: var Curve25519Key, scalar: Curve25519Key) =
+  block iterate:
    while true:
+      block derive:
        let
          size = defaultBrEc.mulgen(
            cast[pcuchar](addr dst[0]),
@ -68,8 +70,8 @@ proc mulgen*(_: type[Curve25519], dst: var Curve25519Key, scalar: Curve25519Key)
        assert size == Curve25519KeySize
        for forbid in ForbiddenCurveValues:
          if dst == forbid:
-        continue
-    break
+            break derive
+        break iterate

 when isMainModule:
  var