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# EncryptionId

Encryption identifiers indicating the type of encryption algorithm used in the response of a Request Service V2 command.

```
typealias EncryptionId = NFCFeliCaEncryptionId
```

## Topics

### Identifiers

[`EncryptionIdAES`](/documentation/CoreNFC/NFCFeliCaEncryptionId/aes-swift.type.property)

An identifier that indicates the Advanced Encryption Standard (AES) encryption algorithm.

[`EncryptionIdAES_DES`](/documentation/CoreNFC/NFCFeliCaEncryptionId/aes_des-swift.type.property)

An identifier that indicates the Data Encryption Standard (DES) encryption algorithm.


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