NEVPNIKEv2EncryptionAlgorithm.algorithmAES128GCM Advanced Encryption Standard 128-bit Galois/Counter Mode (AES128GCM). Declarationcase algorithmAES128GCM See AlsoEncryption algorithmsNEVPNIKEv2EncryptionAlgorithm.algorithmDESNEVPNIKEv2EncryptionAlgorithm.algorithm3DESNEVPNIKEv2EncryptionAlgorithm.algorithmAES128NEVPNIKEv2EncryptionAlgorithm.algorithmAES256NEVPNIKEv2EncryptionAlgorithm.algorithmAES256GCMNEVPNIKEv2EncryptionAlgorithm.algorithmChaCha20Poly1305