EC2 > Structures > Phase2IntegrityAlgorithmsRequestListValue Phase2IntegrityAlgorithmsRequestListValue¶ Structure Class¶ Phase2IntegrityAlgorithmsRequestListValue dataclass ¶ Bases: _SerdeShape Specifies the integrity algorithm for the VPN tunnel for phase 2 IKE negotiations. Attributes¶ value class-attribute instance-attribute ¶ value: str | None = ... The integrity algorithm.