All Algorithms

MD5

Conditionally Safe

Hash Function algorithm

This algorithm is safe with sufficient key/output size. Grover's algorithm halves the effective security level.

Algorithm Details

Category

Hash Function

Quantum Safety

Conditionally Safe

Key Lengths (bits)

128

Deprecation Date

2004

Known Vulnerabilities

  • Collision attacks (practical since 2004)
  • Preimage attacks (weakened)
  • Grover's algorithm

Migration Recommendation

Recommended post-quantum replacement:

Migrate to SHA-256

Notes

Cryptographically broken since 2004. Practical collision attacks demonstrated. Do not use for any security purpose.

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