MD4 Generator - Legacy Hash (Insecure)

Generate MD4 hashes - the legacy 1990 hash function, cryptographically broken. For historical compatibility only.

Input
0 bytes

Secure Client-Side Computation • 100% Private

Result Output

About

MD4 is a 128-bit hash function designed by Ronald Rivest in 1990, using 48 rounds of operations. It is one of the earliest hash functions, the predecessor to MD5, and is completely cryptographically broken with practical collision attacks requiring only seconds.

Specifications

Output Size 128 bits
Standard RFC 1320 (obsolete)
Standard Year 1992
Origin MD4 algorithm
Origin Year 1990

Use Cases

  • — Windows NT LM hash compatibility
  • — ED2K/eDonkey2000 file hashing
  • — Historical system interoperability
  • — Legacy file sharing protocols
  • — Cryptographic research and education

Security Notice

MD4 is completely cryptographically broken with trivial collision attacks. Never use for security, passwords, or signatures. Use only for legacy compatibility.

Frequently Asked Questions