NEVPNIKEv2EncryptionAlgorithm.algorithmAES128 Advanced Encryption Standard 256-bit (AES256). Declarationcase algorithmAES128 See AlsoEncryption algorithmsNEVPNIKEv2EncryptionAlgorithm.algorithmDESNEVPNIKEv2EncryptionAlgorithm.algorithm3DESNEVPNIKEv2EncryptionAlgorithm.algorithmAES256NEVPNIKEv2EncryptionAlgorithm.algorithmAES128GCMNEVPNIKEv2EncryptionAlgorithm.algorithmAES256GCMNEVPNIKEv2EncryptionAlgorithm.algorithmChaCha20Poly1305