Research Article
Cryptanalysis and Performance Evaluation of Enhanced Threshold Proxy Signature Scheme Based on RSA for Known Signers
Table 7
Histogram analysis for the HLL threshold proxy signature scheme.
| Number | Substring | Frequency (in %) | Frequency |
| 1 | N | 11.0343 | 654 | 2 | I | 9.1277 | 541 | 3 | T | 8.824 | 523 | 4 | E | 8.6216 | 511 | 5 | S | 7.4405 | 441 | 6 | R | 7.1368 | 423 | 7 | A | 5.0785 | 301 | 8 | O | 4.6567 | 276 | 9 | C | 4.1842 | 248 | 10 | D | 3.6612 | 217 | 11 | U | 3.5937 | 213 | 12 | F | 3.2732 | 194 | 13 | P | 3.1213 | 185 | 14 | G | 3.0707 | 182 | 15 | L | 3.0201 | 179 | 16 | H | 2.8682 | 170 | 17 | Y | 2.6489 | 157 | 18 | M | 2.4296 | 144 | 19 | X | 1.4341 | 85 | 20 | V | 1.0798 | 64 | 21 | W | 0.9954 | 59 | 22 | J | 0.8267 | 49 | 23 | B | 0.7761 | 46 | 24 | K | 0.6917 | 41 | 25 | Q | 0.3374 | 20 | 26 | Z | 0.0675 | 4 |
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