EC2 > Structures > Phase1EncryptionAlgorithmsListValue Phase1EncryptionAlgorithmsListValue¶ Structure Class¶ Phase1EncryptionAlgorithmsListValue dataclass ¶ Bases: _SerdeShape The encryption algorithm for phase 1 IKE negotiations. Attributes¶ value class-attribute instance-attribute ¶ value: str | None = ... The value for the encryption algorithm.