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| DES 56-bit = 2^56 = 27,057,594,037,927,900 @1,000,000/sec | |||||||
| PCs | 1 | 10 | 100 | 1,000 | 10,000 | 50,000 | 100,000 |
| Secs | 72,057,594,038 | 7,205,759,404 | 720,575,940 | 72,057,594 | 7,205,759 | 1,441,152 | 720,576 |
| Mins | 1,200,959,901 | 120,095,990 | 12,009,599 | 1,200,960 | 120,096 | 24,019 | 12,010 |
| Hrs | 20,015,998 | 2,001,600 | 200,160 | 20,016 | 2,002 | 400 | 200 |
| Days | 834,000 | 83,400 | 8,340 | 834 | 83 | 17 | 8 |
| Mos | 27,344.26 | 2,734.4 | 273.4 | 27.3 | 2.7 | 0.5 | 0.3 |
| Yrs | 2,283.43 | 228.34 | 22.83 | 2.28 | 0.23 | 0.05 | 0.02 |
| DES 64-bit = 2^64 = 18,446,744,073,709,600,000 @1,000,000/sec | |||||||
| PCs | 1 | 10 | 100 | 1,000 | 10,000 | 50,000 | 100,000 |
| Secs | 18,446,744,073,710 | 1,844,674,407,371 | 184,467,440,737 | 18,446,744,074 | 1,844,674,407 | 368,934,881 | 184,467,441 |
| Mins | 307,445,734,562 | 30,744,573,456 | 3,074,457,346 | 307,445,735 | 30,744,573 | 6,148,915 | 3,074,457 |
| Hrs | 5,124,095,576 | 512,409,558 | 51,240,956 | 5,124,096 | 512,410 | 102,482 | 51,241 |
| Days | 213,503,982 | 21,350,398 | 2,135,040 | 213,504 | 21,350 | 4,270 | 2,135 |
| Mos | 7,000,130.57 | 700,013.1 | 70,001.3 | 7,000.1 | 700.0 | 140.0 | 70.0 |
| Yrs | 584,558.05 | 58,455.81 | 5,845.58 | 584.56 | 58.46 | 11.69 | 5.85 |