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SHA-2 is a family of cryptographic hash functions designed by the NSA and published by NIST in 2001. The family includes various output lengths (224, 256, 384, and 512 bits).
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votes
Assuming a 1024qb quantum computer, how long to brute force 1024bit RSA, 256bit AES and 512b...
Adding more qubits does not increase the computation speed. A quantum computer with 4 qubits does not factorize faster than one with 2. The qubits are the "memory" of the quantum computer. More qubits …