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In a (t, n) threshold proxy signature scheme, the original signer can delegate the signing power to n proxy signers such that any t or more out of n proxy signers can sign messages on behalf of the original signer, but t − 1 or less of the proxy signers cannot generate a proxy signature. In this paper, we will improve the security of Xie's threshold proxy signature scheme against the new types of...
In a narnh threshold proxy signature scheme, the original signer can delegate the signing power to nproxy signers such that any aor more out of nproxy signers can sign messages on behalf of the original signer, but ag 1 or less of the proxy signers cannot generate a proxy signature. In this paper, we will improve the security of Xie's threshold proxy signature scheme against the new types of collusion...
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