File 8681-crypto-Bug-fix-for-sign-verify-of-Edwards-curves.patch of Package erlang

From dd8d7a4da5981504004d10a3250ae05f19d798f5 Mon Sep 17 00:00:00 2001
From: Hans Nilsson <hans@erlang.org>
Date: Wed, 23 Mar 2022 15:06:20 +0100
Subject: [PATCH] crypto: Bug fix for sign/verify of Edwards curves

---
 lib/crypto/c_src/pkey.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/crypto/c_src/pkey.c b/lib/crypto/c_src/pkey.c
index 59632d86d3..da39b70932 100644
--- a/lib/crypto/c_src/pkey.c
+++ b/lib/crypto/c_src/pkey.c
@@ -132,6 +132,9 @@ static int get_pkey_digest_type(ErlNifEnv *env, ERL_NIF_TERM algorithm,
     if (type == atom_undefined && algorithm == atom_eddsa)
         return 1;
     
+    if (type == atom_none && algorithm == atom_eddsa)
+        return 1;
+    
     if ((digp = get_digest_type(type)) == NULL)
         assign_goto(*err_return, notsup, EXCP_BADARG_N(env, type_arg_num, "Bad digest type"));
 
-- 
2.34.1