diff --git a/commands/types.go b/commands/types.go
index 756a9f6..46adf2c 100644
--- a/commands/types.go
+++ b/commands/types.go
@@ -182,6 +182,13 @@ const (
 	CapabilityDeleteTemplate          uint64 = 0x0000100000000000
 	CapabilityDeleteOtpAeadKey        uint64 = 0x0000200000000000
 	CapabilityChangeAuthenticationKey uint64 = 0x0000400000000000
+	CapabilityPutSymmetricKey         uint64 = 0x0000800000000000
+	CapabilityGenerateSymmetricKey    uint64 = 0x0001000000000000
+	CapabilityDeleteSymmetricKey      uint64 = 0x0002000000000000
+	CapabilityDecryptEcb              uint64 = 0x0004000000000000
+	CapabilityEncryptEcb              uint64 = 0x0008000000000000
+	CapabilityDecryptCbc              uint64 = 0x0010000000000000
+	CapabilityEncryptCbc              uint64 = 0x0020000000000000
 
 	// Domains
 	Domain1  uint16 = 0x0001
@@ -209,6 +216,7 @@ const (
 	ObjectTypeHmacKey           uint8 = 0x05
 	ObjectTypeTemplate          uint8 = 0x06
 	ObjectTypeOtpAeadKey        uint8 = 0x07
+	ObjectTypeSymmetricKey      uint8 = 0x08
 
 	// list objects params
 	ListObjectParamID           uint8 = 0x01