diff --git a/include/polarssl/ecp.h b/include/polarssl/ecp.h
index 1bc989e..d98146c 100644
--- a/include/polarssl/ecp.h
+++ b/include/polarssl/ecp.h
@@ -78,7 +78,7 @@
  *
  * (Montgomery curves excluded for now.)
  */
-#define POLARSSL_ECP_DP_MAX     9
+#define POLARSSL_ECP_DP_MAX     12
 
 /**
  * Curve information for use by other modules
diff --git a/include/polarssl/oid.h b/include/polarssl/oid.h
index 93ef8a6..f000b8e 100644
--- a/include/polarssl/oid.h
+++ b/include/polarssl/oid.h
@@ -263,7 +263,7 @@
 #define OID_EC_ALG_ECDH                 OID_CERTICOM "\x01\x0c"
 
 /*
- * ECParameters namedCurve identifiers, from RFC 5480 and RFC 5639
+ * ECParameters namedCurve identifiers, from RFC 5480, RFC 5639, and SEC2
  */
 
 /* secp192r1 OBJECT IDENTIFIER ::= {
@@ -286,6 +286,18 @@
  *   iso(1) identified-organization(3) certicom(132) curve(0) 35 } */
 #define OID_EC_GRP_SECP521R1        OID_CERTICOM "\x00\x23"
 
+/* secp192k1 OBJECT IDENTIFIER ::= {
+ *   iso(1) identified-organization(3) certicom(132) curve(0) 31 } */
+#define OID_EC_GRP_SECP192K1        OID_CERTICOM "\x00\x1f"
+
+/* secp224k1 OBJECT IDENTIFIER ::= {
+ *   iso(1) identified-organization(3) certicom(132) curve(0) 32 } */
+#define OID_EC_GRP_SECP224K1        OID_CERTICOM "\x00\x20"
+
+/* secp256k1 OBJECT IDENTIFIER ::= {
+ *   iso(1) identified-organization(3) certicom(132) curve(0) 10 } */
+#define OID_EC_GRP_SECP256K1        OID_CERTICOM "\x00\x0a"
+
 /* RFC 5639 4.1
  * ecStdCurvesAndGeneration OBJECT IDENTIFIER::= {iso(1)
  * identified-organization(3) teletrust(36) algorithm(3) signature-
diff --git a/library/ecp.c b/library/ecp.c
index 8b34bf3..0bef955 100644
--- a/library/ecp.c
+++ b/library/ecp.c
@@ -141,6 +141,15 @@
 #if defined(POLARSSL_ECP_DP_SECP192R1_ENABLED)
     { POLARSSL_ECP_DP_SECP192R1,    19,     192,    "secp192r1"         },
 #endif
+#if defined(POLARSSL_ECP_DP_SECP256K1_ENABLED)
+    { POLARSSL_ECP_DP_SECP256K1,    22,     256,    "secp256k1"         },
+#endif
+#if defined(POLARSSL_ECP_DP_SECP224K1_ENABLED)
+    { POLARSSL_ECP_DP_SECP224K1,    20,     224,    "secp224k1"         },
+#endif
+#if defined(POLARSSL_ECP_DP_SECP192K1_ENABLED)
+    { POLARSSL_ECP_DP_SECP192K1,    18,     192,    "secp192k1"         },
+#endif
     { POLARSSL_ECP_DP_NONE,          0,     0,      NULL                },
 };
 
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,
     },