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#SHA-1

2 articles with this tag.

Stream Ciphers Advanced

The SEAL Stream Cipher

SEAL is a stream cipher that lets you jump to any position in its keystream. Learn how it uses the SHA-1 compression function to build tables from a 160-bit key, and how a few additions and lookups per word make it fast on 32-bit processors.

Oct 5, 2026 17 min read

A visual representation of the SHA-1 hashing algorithm.

Hash Functions Beginner

Understanding the SHA-1 Algorithm

Secure Hash Algorithm 1 was for years one of the most widely used cryptographic hash functions.

Jul 18, 2025 9 min read

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