diff --git a/library/oid.c b/library/oid.c
index b0b551d..f943c6d 100644
--- a/library/oid.c
+++ b/library/oid.c
@@ -403,6 +403,18 @@
         POLARSSL_ECP_DP_SECP521R1,
     },
     {
+        { ADD_LEN( OID_EC_GRP_SECP192K1 ), "secp192k1",    "secp192k1" },
+        POLARSSL_ECP_DP_SECP192K1,
+    },
+    {
+        { ADD_LEN( OID_EC_GRP_SECP224K1 ), "secp224k1",    "secp224k1" },
+        POLARSSL_ECP_DP_SECP224K1,
+    },
+    {
+        { ADD_LEN( OID_EC_GRP_SECP256K1 ), "secp256k1",    "secp256k1" },
+        POLARSSL_ECP_DP_SECP256K1,
+    },
+    {
         { ADD_LEN( OID_EC_GRP_BP256R1 ),   "brainpoolP256r1","brainpool256r1" },
         POLARSSL_ECP_DP_BP256R1,
     },