Blind Delegation of Quantum Digital Signature: Difference between revisions

(Created page with "This protocol performs the task of Quantum Digital Signature such that the Signer does not get to know the content of the message being signed. It ensures that the owner canno...")
 
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## The Verifier then un-blinds the message <math>M'</math> using <math>K_{AC}^k</math> to obtain the message <math>M</math>. <br/> <math> M_k = M'_k \times (K_{AC}^k)^{-1} </math>
## The Verifier then un-blinds the message <math>M'</math> using <math>K_{AC}^k</math> to obtain the message <math>M</math>. <br/> <math> M_k = M'_k \times (K_{AC}^k)^{-1} </math>
## He then checks if the determinant of <math>M</math> obtained from the signature is the same as <math>det(M)</math> obtained from the Owner. If it holds, he verifies the following equations: <br/> <math> det(S^k) = det(M'_kK_{BC}^k) = det(M'_k) \times det(T^n_p) </math> <br/> <math> = (-1)^ndet(M'_k) = (-1)^{2n}det(M_k) </math>
## He then checks if the determinant of <math>M</math> obtained from the signature is the same as <math>det(M)</math> obtained from the Owner. If it holds, he verifies the following equations: <br/> <math> det(S^k) = det(M'_kK_{BC}^k) = det(M'_k) \times det(T^n_p) </math> <br/> <math> = (-1)^ndet(M'_k) = (-1)^{2n}det(M_k) </math>
==Further Information==
<div style='text-align: right;'>''*contributed by Natansh Mathur''</div>
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