"Grover\u2019s quantum algorithm"@en . "Grover\u2019s quantum algorithm for database search potentially gives a quadratic speedup to brute force cryptanalysis of block ciphers and hash functions. Grover\u2019s algorithm may have a long-term effect on the necessary key lengths and digest sizes required for the secure operation of cryptographic protocols."@en . . . . . . "Grover\u2019s quantum algorithm for database search potentially gives a quadratic speedup to brute force cryptanalysis of block ciphers and hash functions. Grover\u2019s algorithm may have a long-term effect on the necessary key lengths and digest sizes required for the secure operation of cryptographic protocols."@en .