diff --git a/library/ssl_ciphersuites.c b/library/ssl_ciphersuites.c
index c1a92d6..95e6163 100644
--- a/library/ssl_ciphersuites.c
+++ b/library/ssl_ciphersuites.c
@@ -1834,6 +1834,42 @@
             return( MBEDTLS_PK_NONE );
     }
 }
+
 #endif /* MBEDTLS_PK_C */
 
+#if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C)
+int mbedtls_ssl_ciphersuite_uses_ec( const mbedtls_ssl_ciphersuite_t *info )
+{
+    switch( info->key_exchange )
+    {
+        case MBEDTLS_KEY_EXCHANGE_ECDHE_RSA:
+        case MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA:
+        case MBEDTLS_KEY_EXCHANGE_ECDHE_PSK:
+        case MBEDTLS_KEY_EXCHANGE_ECDH_RSA:
+        case MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA:
+            return( 1 );
+
+        default:
+            return( 0 );
+    }
+}
+#endif /* MBEDTLS_ECDH_C || MBEDTLS_ECDSA_C */
+
+#if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
+int mbedtls_ssl_ciphersuite_uses_psk( const mbedtls_ssl_ciphersuite_t *info )
+{
+    switch( info->key_exchange )
+    {
+        case MBEDTLS_KEY_EXCHANGE_PSK:
+        case MBEDTLS_KEY_EXCHANGE_RSA_PSK:
+        case MBEDTLS_KEY_EXCHANGE_DHE_PSK:
+        case MBEDTLS_KEY_EXCHANGE_ECDHE_PSK:
+            return( 1 );
+
+        default:
+            return( 0 );
+    }
+}
+#endif /* MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED */
+
 #endif /* MBEDTLS_SSL_TLS_C */