Security Attributes Sample Clauses

Security Attributes. ‌ In this section we will heuristically argue that the protocol satisfies the following security properties. Table 1 summarizes the security attributes of a selection of identity-based and certificateless authenticated key agreement protocols. 1. Known session key security (KnSK): As ephemeral values are used in generating session keys, a compromised session key does not compromise past or future sessions. All protocol runs, even when its participants remains the same, produce a different session key. An adversary’s inability to perform the key-replication attack as demon- strated in Section 5.4.3 also shows that the protocol provides known-key security. 2. Forward secrecy (FwS): We let this property constitute two separate parts; both to capture the forward secrecy against an outside adversary and against an adversary who posesses the KGC master key (or a cheating KGC).
Sample 1
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Security Attributes. A secure authenticated group key agreement protocol is desired to have the following attributes [9][10]: perfect forward secrecy if compromise of long-term keys of all the participating users does not compromise past session keys.
Sample 1
Security Attributes. For simplicity, we assume both rings are of the same size, n. Apart from the conventional security properties for key agreement protocols, the security of ad-hoc anonymous key agreement protocols also depend on 1-out-of-n anonymity as described in Definition 3. These properties can be seen as a natural extension from the security requirements of key agreement protocol and those of ring signatures (e.g., see [20]).
Sample 1
Security Attributes. Set-Private-Key: generate the private key, SA = xADA.
Sample 1

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