An Efficient ASBB Scheme Sample Clauses

An Efficient ASBB Scheme. × → { } → ← ⟨ ⟩
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An Efficient ASBB Scheme. ‌ The scheme is realized in bilinear pairing groups [5, 16]. Let PairGen be an algo- rithm that, on input a security parameter 1λ, outputs a tuple Υ = (p, G, GT , e), where G and GT have the same prime order p, and e : G× G → GT is an efficient non-degenerate bilinear map such that e(g, g) ƒ= 1 for any generator g of G, and for all u, v ∈ Z, it holds that e(gu, gv) = e(g, g)uv . { } → ← ( ) – Public parameters: Let Υ = (p, G, GT , e) PairGen(1λ), G = g . Let H : 0, 1 ∗ G be a cryptographic hash function. The system parameters are π = (Υ, g, H). – Public/secret keys: Select at random r ∈ Zp∗, X ∈ G \ {1}. Compute R = g−r, A = e(X, g). The public key is pk = (R, A) and the secret key is sk = (r, X). – Sign: The signature of any string s ∈ {0, 1}∗ under the public key pk is σ = XH(s)r. – Verify: Given a message-signature pair (s, σ), the verification equation is e(σ, g)e(H(s), R) = A. If the equation holds, output 1 to represent that purported signature is valid. Else output 0 and reject the purported signature.
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Related to An Efficient ASBB Scheme

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  • Flexible Working Arrangement (a) The Parties recognise the importance of flexible working arrangements and the right of Employees to make requests under section 65 of the Fair Work Act for flexible working arrangements. An Employee may request a flexible working arrangement if any of the following circumstances apply to the Employee: (i) the Employee is pregnant; (ii) the Employee is the parent, or has responsibility for the care, of a child who is of school age or younger; (iii) the Employee is a carer (within the meaning of the Carer Recognition Act 2010); (iv) the Employee has a disability; (v) the Employee is 55 or older; (vi) the Employee is experiencing violence from a member of the Employee’s family; (vii) the Employee provides care or support to a member of the Employee’s immediate family, or a member of the Employee’s household, who requires care or support because the member is experiencing violence from the member’s family.