diff --git a/README.md b/README.md
index 98b3088..6c49502 100644
--- a/README.md
+++ b/README.md
@@ -70,12 +70,14 @@ Encrypt config `~/.tinyencrypt/config-rs.json`:
 
 Supported PKI encryption types:
 
-| Type       | Algorithm       | Description            |
-|------------|-----------------|------------------------|
-| pgp        | PKCS1-v1.5      | OpenPGP Encryption Key |
-| pgp-x25519 | ECDH(X25519)    | OpenPGP Encryption Key |
-| ecdh       | ECDH(secp256r1) | PIV Slot               |
-| ecdh-p384  | ECDH(secp384r1) | PIV Slot               |
+| Type          | Algorithm       | Description                  |
+|---------------|-----------------|------------------------------|
+| pgp           | PKCS1-v1.5      | OpenPGP Encryption Key       |
+| pgp-x25519    | ECDH(X25519)    | OpenPGP Encryption Key       |
+| static-x25519 | ECDH(X25519)    | Key Stored in KeyChain       |
+| ecdh          | ECDH(secp256r1) | PIV Slot                     |
+| ecdh-p384     | ECDH(secp384r1) | PIV Slot                     |
+| key-p256      | ECDH(secp256r1) | Key Stored in Secure Enclave |
 
 Smart Card(Yubikey) protected ECDH Encryption description: