Add OID definitions for SHA3

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/library/oid.c b/library/oid.c
index 47a311b..9ea41cb 100644
--- a/library/oid.c
+++ b/library/oid.c
@@ -761,6 +761,30 @@
         MBEDTLS_MD_RIPEMD160,
     },
 #endif
+#if defined(MBEDTLS_MD_CAN_SHA3_224)
+    {
+        OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_SHA3_224,    "id-sha3-224",    "SHA-3-224"),
+        MBEDTLS_MD_SHA3_224,
+    },
+#endif
+#if defined(MBEDTLS_MD_CAN_SHA3_256)
+    {
+        OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_SHA3_256,    "id-sha3-256",    "SHA-3-256"),
+        MBEDTLS_MD_SHA3_256,
+    },
+#endif
+#if defined(MBEDTLS_MD_CAN_SHA3_384)
+    {
+        OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_SHA3_384,    "id-sha3-384",    "SHA-3-384"),
+        MBEDTLS_MD_SHA3_384,
+    },
+#endif
+#if defined(MBEDTLS_MD_CAN_SHA3_512)
+    {
+        OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_SHA3_512,    "id-sha3-512",    "SHA-3-512"),
+        MBEDTLS_MD_SHA3_512,
+    },
+#endif
     {
         NULL_OID_DESCRIPTOR,
         MBEDTLS_MD_NONE,