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-rw-r--r--libs/nixio/src/axtls-compat.h1
-rw-r--r--libs/nixio/src/tls-context.c12
2 files changed, 12 insertions, 1 deletions
diff --git a/libs/nixio/src/axtls-compat.h b/libs/nixio/src/axtls-compat.h
index 77533ef4f..aee24f56c 100644
--- a/libs/nixio/src/axtls-compat.h
+++ b/libs/nixio/src/axtls-compat.h
@@ -44,6 +44,7 @@
#define SSL_OP_NO_SSLv3 0x02000000L
#define SSL_OP_NO_SSLv2 0x01000000L
#define SSL_FILETYPE_PEM 1
+#define SSL_FILETYPE_ASN1 2
#define SSL_VERIFY_NONE 0x00
#define SSL_VERIFY_PEER 0x01
#define SSL_VERIFY_FAIL_IF_NO_PEER_CERT 0x02
diff --git a/libs/nixio/src/tls-context.c b/libs/nixio/src/tls-context.c
index fdbe22462..e55de05cc 100644
--- a/libs/nixio/src/tls-context.c
+++ b/libs/nixio/src/tls-context.c
@@ -119,7 +119,17 @@ static int nixio_tls_ctx_set_cert(lua_State *L) {
static int nixio_tls_ctx_set_key(lua_State *L) {
SSL_CTX *ctx = nixio__checktlsctx(L);
const char *cert = luaL_checkstring(L, 2);
- const int ktype = SSL_FILETYPE_PEM;
+ const char *type = luaL_optstring(L, 3, "pem");
+ int ktype;
+
+ if (!strcmp(type, "pem")) {
+ ktype = SSL_FILETYPE_PEM;
+ } else if (!strcmp(type, "asn1")) {
+ ktype = SSL_FILETYPE_ASN1;
+ } else {
+ return luaL_argerror(L, 3, "supported values: pem, asn1");
+ }
+
return nixio__tls_pstatus(L, SSL_CTX_use_PrivateKey_file(ctx, cert, ktype));
}