Research Article
Random Fault Attacks on a Class of Stream Ciphers
Table 6
Partial Recovery of
and
with Different Numbers of Faults.
| Recovery of or | Recovery of | Known Plaintext attack | Ciphertext Only attack |
| No. of Faults | No. of Bits to Recover | Success Rate | No. of Faults | Guessing Complexity | Success Rate | No. of Faults | Guessing Complexity | Success Rate |
| 4 | 113 | 99.4% | 16 | | 97.4% | 32 | | 94.9% |
| 5 | 119 | 99.4% | 20 | | 97.7% | 40 | | 95.5% |
| 6 | 122 | 99.6% | 24 | | 98.6% | 48 | | 97.2% |
| 7 | 124 | 99.7% | 28 | | 98.7% | 56 | | 97.5% |
| 8 | 125 | 99.8% | 32 | | 99.3% | 64 | | 98.6% |
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