MD5
DeprecatedMD5 (Message-Digest Algorithm 5) produces a 128-bit hash value. It was widely used for checksums and data integrity verification, but is now considered cryptographically broken due to collision vulnerabilities discovered in 2004.
What is MD5?
MD5 is a deprecated cryptographic hash algorithm that produces a 128 bits (32 hex characters) output. MD5 (Message-Digest Algorithm 5) produces a 128-bit hash value. It was widely used for checksums and data integrity verification, but is now considered cryptographically broken due to collision vulnerabilities discovered in 2004. It is classified as very fast in performance and commonly used for file integrity verification (non-security-critical checksums) and deduplication and cache key generation.
Output Length
128 bits (32 hex characters)
Speed
Very Fast
Security
Deprecated
Performance
Extremely fast — processes several GB/s on modern hardware. This speed is a disadvantage for password hashing.
Use Cases
- → File integrity verification (non-security-critical checksums)
- → Deduplication and cache key generation
- → Legacy system compatibility
- → Non-cryptographic fingerprinting
Example Hash
Input:
Hello, World!
MD5 Output:
65a8e27d8879283831b664bd8b7f0ad4
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