Abstract
This entry contains the confidentiality verification of the
(functional kernel of) the CoSMeDis  distributed social media platform
presented in [1].
CoSMeDis is a multi-node extension the CoSMed prototype social media
platform [2,
3,
4].
The confidentiality properties are formalized as instances of BD
Security [5,
6].
The lifting of confidentiality properties from single nodes to the
entire CoSMeDis network is performed using compositionality and
transport theorems for BD Security, which are described in [1]
and formalized in a separate AFP
entry.
    License
Topics
Session CoSMeDis
- Prelim
 - System_Specification
 - API_Network
 - Automation_Setup
 - Safety_Properties
 - Post_Intro
 - Post_Observation_Setup_ISSUER
 - Post_Unwinding_Helper_ISSUER
 - Post_Value_Setup_ISSUER
 - Post_ISSUER
 - Post_Observation_Setup_RECEIVER
 - Post_Unwinding_Helper_RECEIVER
 - Post_Value_Setup_RECEIVER
 - Post_RECEIVER
 - Post_COMPOSE2
 - Post_Network
 - DYNAMIC_Post_Value_Setup_ISSUER
 - DYNAMIC_Post_ISSUER
 - DYNAMIC_Post_COMPOSE2
 - DYNAMIC_Post_Network
 - Independent_Post_Observation_Setup_ISSUER
 - Independent_DYNAMIC_Post_Value_Setup_ISSUER
 - Independent_DYNAMIC_Post_ISSUER
 - Independent_Post_Observation_Setup_RECEIVER
 - Independent_Post_Value_Setup_RECEIVER
 - Independent_Post_RECEIVER
 - Independent_DYNAMIC_Post_Network
 - Independent_Posts_Network
 - Post_All
 - Friend_Intro
 - Friend_Observation_Setup
 - Friend_State_Indistinguishability
 - Friend_Openness
 - Friend_Value_Setup
 - Friend
 - Friend_Network
 - Friend_All
 - Friend_Request_Intro
 - Friend_Request_Value_Setup
 - Friend_Request
 - Friend_Request_Network
 - Friend_Request_All
 - Outer_Friend_Intro
 - Outer_Friend
 - Outer_Friend_Issuer_Observation_Setup
 - Outer_Friend_Issuer_State_Indistinguishability
 - Outer_Friend_Issuer_Openness
 - Outer_Friend_Issuer_Value_Setup
 - Outer_Friend_Issuer
 - Outer_Friend_Receiver_Observation_Setup
 - Outer_Friend_Receiver_State_Indistinguishability
 - Outer_Friend_Receiver_Value_Setup
 - Outer_Friend_Receiver
 - Outer_Friend_Network
 - Outer_Friend_All