1 files changed, 9 insertions, 9 deletions

diff --git a/src/openssl.c b/src/openssl.c
index f5c851d..ab729d4 100644
--- a/src/openssl.c
+++ b/src/openssl.c
@@ -300,6 +300,10 @@
 #define HAVE_SSLV2_SERVER_METHOD (!OPENSSL_PREREQ(1,1,0) && !defined OPENSSL_NO_SSL2)
 #endif
 
+#ifndef HAVE_X509_GET_SIGNATURE_NID
+#define HAVE_X509_GET_SIGNATURE_NID (OPENSSL_PREREQ(1,0,2))
+#endif
+
 #ifndef HAVE_X509_STORE_REFERENCES
 #define HAVE_X509_STORE_REFERENCES (!OPENSSL_PREREQ(1,1,0))
 #endif
@@ -1613,6 +1617,10 @@ static int compat_SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm) {
 #define X509_get0_ext(crt, i) X509_get_ext((crt), (i))
 #endif
 
+#if !HAVE_X509_GET_SIGNATURE_NID
+#define X509_get_signature_nid(crt) OBJ_obj2nid((crt)->sig_alg->algorithm)
+#endif
+
 #if !HAVE_X509_CRL_GET0_EXT
 #define X509_CRL_get0_ext(crt, i) X509_CRL_get_ext((crt), (i))
 #endif
@@ -6097,23 +6105,17 @@ static int xc_getPublicKeyDigest(lua_State *L) {
 } /* xc_getPublicKeyDigest() */
 
 
-#if 0
-/*
- * TODO: X509_get_signature_type always seems to return NID_undef. Are we
- * using it wrong or is it broken?
- */
 static int xc_getSignatureName(lua_State *L) {
         X509 *crt = checksimple(L, 1, X509_CERT_CLASS);
         int nid;
 
-        if (NID_undef == (nid = X509_get_signature_type(crt)))
+        if (NID_undef == (nid = X509_get_signature_nid(crt)))
                 return 0;
 
         auxL_pushnid(L, nid);
 
         return 1;
 } /* xc_getSignatureName() */
-#endif
 
 
 static int xc_sign(lua_State *L) {
@@ -6260,9 +6262,7 @@ static const auxL_Reg xc_methods[] = {
         { "getPublicKey",  &xc_getPublicKey },
         { "setPublicKey",  &xc_setPublicKey },
         { "getPublicKeyDigest", &xc_getPublicKeyDigest },
-#if 0
         { "getSignatureName", &xc_getSignatureName },
-#endif
         { "sign",          &xc_sign },
         { "text",          &xc_text },
         { "tostring",      &xc__tostring },