File 2622-crypto-Ensble-using-curve-names-that-are-u... of Package erlang

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File 2622-crypto-Ensble-using-curve-names-that-are-unknown-to-.patch of Package erlang (Revision 4c8c699fba83d6bb20c8776c9ff0c9f0)

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From 6c588a8aa33967fa89b0e9265b83a7635fdc61b5 Mon Sep 17 00:00:00 2001
From: Hans Nilsson <hans@erlang.org>
Date: Fri, 17 Jun 2022 09:19:44 +0200
Subject: [PATCH 2/2] crypto: Ensble using curve names that are unknown to
 crypto

---
 lib/crypto/src/crypto.erl | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/lib/crypto/src/crypto.erl b/lib/crypto/src/crypto.erl
index e4b68da8a6..7bfceba6d8 100644
--- a/lib/crypto/src/crypto.erl
+++ b/lib/crypto/src/crypto.erl
@@ -2323,12 +2323,20 @@ nif_curve_params({PrimeField, Curve, BasePoint, Order, CoFactor}) ->
       },
       undefined %% The curve name
     };
-nif_curve_params(Curve) when is_atom(Curve) ->
-    %% named curve
-    case Curve of
-        x448 -> {evp,Curve};
-        x25519 -> {evp,Curve};
-        _ -> {crypto_ec_curves:curve(Curve), Curve}
+nif_curve_params(CurveName) when is_atom(CurveName) ->
+    %% A named curve
+    case CurveName of
+        x448   -> {evp,CurveName};
+        x25519 -> {evp,CurveName};
+        _ ->
+            Spec =
+                try
+                    crypto_ec_curves:curve(CurveName)
+                catch
+                    _:_ ->
+                        undefined
+                end,
+            {Spec, CurveName}
     end.
 
 
-- 
2.35.3

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File 2622-crypto-Ensble-using-curve-names-that-are-unknown-to-.patch of Package erlang (Revision 4c8c699fba83d6bb20c8776c9ff0c9f0)

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