From 03ffa376011ff5ddf346657c4bb377dde9ecb584 Mon Sep 17 00:00:00 2001
From: John Regan <john@jrjrtech.com>
Date: Wed, 4 May 2022 23:05:24 +0200
Subject: openssl 3.0.0: use new BN_check_prime

---
 src/openssl.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/openssl.c')

diff --git a/src/openssl.c b/src/openssl.c
index 92e91ea..c23988e 100644
--- a/src/openssl.c
+++ b/src/openssl.c
@@ -3920,8 +3920,12 @@ static int bn_generatePrime(lua_State *L) {
 
 static int bn_isPrime(lua_State *L) {
 	BIGNUM *bn = checksimple(L, 1, BIGNUM_CLASS);
+#if OPENSSL_PREREQ(3,0,0)
+	int res = BN_check_prime(bn, getctx(L), NULL);
+#else
 	int nchecks = luaL_optinteger(L, 2, BN_prime_checks);
 	int res = BN_is_prime_ex(bn, nchecks, getctx(L), NULL);
+#endif
 
 	if (res == -1)
 		return auxL_error(L, auxL_EOPENSSL, "bignum:isPrime");
-- 
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