NEVPNIKEv2EncryptionAlgorithm.algorithmAES256GCM Advanced Encryption Standard 256-bit Galois/Counter Mode (AES256GCM). Declarationcase algorithmAES256GCM See AlsoEncryption algorithmsNEVPNIKEv2EncryptionAlgorithm.algorithmDESNEVPNIKEv2EncryptionAlgorithm.algorithm3DESNEVPNIKEv2EncryptionAlgorithm.algorithmAES128NEVPNIKEv2EncryptionAlgorithm.algorithmAES256NEVPNIKEv2EncryptionAlgorithm.algorithmAES128GCMNEVPNIKEv2EncryptionAlgorithm.algorithmChaCha20Poly1305