We show that one-time secure digital signatures with quantum public keys exist if pseudorandom quantum states exist. In the classical setting, the existence of digital signatures is equivalent to the existence of one-way functions. Our result, on the other hand, shows that quantum signatures can exist even if no quantum-secure c...
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In a challenge to all nations and the broader international community, he said the three-day conference must represent “a quantum leap” in recognition of the vital importance of water and the need for action to ensure its sustainable use. Guterres called for “game-changing commitments” to...
475 14th Street Suite 1000 Oakland, CA 94612-1916 United States +1 (510) Alameda County Employees' Retirement Association Commitments (140) Alameda County Employees' Retirement Association's most recent commitment was from , managed by Quantum Capital Group (Houston). The commitment was ...
Although this is not succinct, it is still additive and thus, as the theorem states, it has an efficient private aggregation scheme. Additionally, combining this hash function with a succinct protocol for proving pre-images of h would give a succinct additive PCS, which has an efficient public...
the central premise of the analyses stated that FET does not bind states to change laws and regulations according to public need. Such changes do not exceed the acceptable margin of change when the host state exercises its normal regulatory power in pursuance of the public interest. The indirect...
A small tweak to Definition 6.1 would make it com- patible with private aggregation. The accumulation prover is additionally given as inputs a vector of private states {sti}ki=+1 and outputs (st, acc, πV ). The other algorithms and the security definition are unchanged. Constructing this...
Third, the central premise of the analyses stated that FET does not bind states to change laws and regulations according to public need. Such changes do not exceed the acceptable margin of change when the host state exercises its normal regulatory power in pursuance of the public interest. The...