Research Article
Security Requirements for Multimedia Archives
Table 1
Known attacks for cryptographic primitives.
| Class | Algorithm | Known attack | Complexity |
| Block cipher | DES | Differential cryptanalysis | 2∧49 | Block cipher | DES | Linear cryptanalysis | 2∧43 | Stream cipher | RC4 | Royal Holloway attack | 2∧24 | Hash function | MD4 | Differential cryptanalysis | 2∧8 | Hash function | MD5 | Differential cryptanalysis | 2∧19 | Hash function | RIPEMD | Differential cryptanalysis | 2∧16 |
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