Master Python’s hashlib: From MD5 to SHA‑512 and Custom Key Encryption

This article introduces Python’s hashlib module, explains the principles and characteristics of common hash algorithms such as MD5, SHA‑1, SHA‑224, SHA‑256, SHA‑384, and SHA‑512, demonstrates how to compute their digests with code examples, and shows simple key‑based encryption techniques.

MD5PythonSHA-1

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Master Python’s hashlib: From MD5 to SHA‑512 and Custom Key Encryption

21CTO

May 17, 2019 · Information Security

Why SHA-1 Is Dead: New Prefix Collision Attack Signals Its End

A recent $100k research effort demonstrated a prefix collision attack on SHA-1, proving that attackers can forge signed documents and TLS certificates, and highlighting why the cryptographic community must retire SHA-1 in favor of stronger hash algorithms.

Hash CollisionInformation SecuritySHA-1

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Why SHA-1 Is Dead: New Prefix Collision Attack Signals Its End

Architects' Tech Alliance

Feb 24, 2017 · Information Security

Understanding SHA-1 Hash Collisions and Their Impact on Data Deduplication

Recent public SHA-1 collision demonstrated by Google and Dutch researchers highlights the insecurity of SHA-1, prompting a shift toward stronger hashes like SHA-256/3, and underscores the importance of robust hash functions in data deduplication, storage compression, and overall information security.

Hash CollisionInformation SecuritySHA-1

0 likes · 7 min read

Understanding SHA-1 Hash Collisions and Their Impact on Data Deduplication