+
+/*
+ * Described in header.
+ */
+sa_payload_t *sa_payload_create_from_proposals_v2(linked_list_t *proposals)
+{
+ private_sa_payload_t *this;
+ enumerator_t *enumerator;
+ proposal_t *proposal;
+
+ this = (private_sa_payload_t*)sa_payload_create(SECURITY_ASSOCIATION);
+ enumerator = proposals->create_enumerator(proposals);
+ while (enumerator->enumerate(enumerator, &proposal))
+ {
+ add_proposal(this, proposal);
+ }
+ enumerator->destroy(enumerator);
+
+ return &this->public;
+}
+
+/*
+ * Described in header.
+ */
+sa_payload_t *sa_payload_create_from_proposal_v2(proposal_t *proposal)
+{
+ private_sa_payload_t *this;
+
+ this = (private_sa_payload_t*)sa_payload_create(SECURITY_ASSOCIATION);
+ add_proposal(this, proposal);
+
+ return &this->public;
+
+}
+
+/*
+ * Described in header.
+ */
+sa_payload_t *sa_payload_create_from_proposals_v1(linked_list_t *proposals,
+ u_int32_t lifetime, u_int64_t lifebytes,
+ auth_method_t auth, ipsec_mode_t mode, bool udp)
+{
+ proposal_substructure_t *substruct;
+ private_sa_payload_t *this;
+
+ this = (private_sa_payload_t*)sa_payload_create(SECURITY_ASSOCIATION);
+
+ /* IKEv1 encodes multiple proposals in a single substructure
+ * TODO-IKEv1: Encode ESP+AH proposals in two different substructs */
+ substruct = proposal_substructure_create_from_proposals(proposals);
+ substruct->set_is_last_proposal(substruct, TRUE);
+ this->proposals->insert_last(this->proposals, substruct);
+ compute_length(this);
+
+ return &this->public;
+}
+
+/*
+ * Described in header.
+ */
+sa_payload_t *sa_payload_create_from_proposal_v1(proposal_t *proposal,
+ u_int32_t lifetime, u_int64_t lifebytes,
+ auth_method_t auth, ipsec_mode_t mode, bool udp)
+{
+ proposal_substructure_t *substruct;
+ private_sa_payload_t *this;
+
+ this = (private_sa_payload_t*)sa_payload_create(SECURITY_ASSOCIATION_V1);
+
+ substruct = proposal_substructure_create_from_proposal(
+ PROPOSAL_SUBSTRUCTURE_V1, proposal);
+ substruct->set_is_last_proposal(substruct, TRUE);
+ this->proposals->insert_last(this->proposals, substruct);
+ compute_length(this);
+
+ return &this->public;
+}