diff --git a/library/oid.c b/library/oid.c
index 449b3e1..366720e 100644
--- a/library/oid.c
+++ b/library/oid.c
@@ -299,6 +299,26 @@
         POLARSSL_MD_SHA1,     POLARSSL_PK_RSA,
     },
     {
+        { OID_ECDSA_SHA1,       "ecdsa-with-SHA1",      "ECDSA with SHA1" },
+        POLARSSL_MD_SHA1,     POLARSSL_PK_ECDSA,
+    },
+    {
+        { OID_ECDSA_SHA224,     "ecdsa-with-SHA224",    "ECDSA with SHA224" },
+        POLARSSL_MD_SHA224,   POLARSSL_PK_ECDSA,
+    },
+    {
+        { OID_ECDSA_SHA256,     "ecdsa-with-SHA256",    "ECDSA with SHA256" },
+        POLARSSL_MD_SHA256,   POLARSSL_PK_ECDSA,
+    },
+    {
+        { OID_ECDSA_SHA384,     "ecdsa-with-SHA384",    "ECDSA with SHA384" },
+        POLARSSL_MD_SHA384,   POLARSSL_PK_ECDSA,
+    },
+    {
+        { OID_ECDSA_SHA512,     "ecdsa-with-SHA512",    "ECDSA with SHA512" },
+        POLARSSL_MD_SHA512,   POLARSSL_PK_ECDSA,
+    },
+    {
         { NULL, NULL, NULL },
         0, 0,
     },