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2. SHA-1 - Wikipedia

   en.wikipedia.org/wiki/SHA-1

   Nobody has been able to break SHA-1, but the point is the SHA-1, as far as Git is concerned, isn't even a security feature. It's purely a consistency check. The security parts are elsewhere, so a lot of people assume that since Git uses SHA-1 and SHA-1 is used for cryptographically secure stuff, they think that, Okay, it's a huge security feature.

3. Secure Hash Algorithms - Wikipedia

   en.wikipedia.org/wiki/Secure_Hash_Algorithms

   SHA-1: A 160-bit hash function which resembles the earlier MD5 algorithm. This was designed by the National Security Agency (NSA) to be part of the Digital Signature Algorithm . Cryptographic weaknesses were discovered in SHA-1, and the standard was no longer approved for most cryptographic uses after 2010.

4. Cryptographic hash function - Wikipedia

   en.wikipedia.org/wiki/Cryptographic_hash_function

   SEAL is a stream cipher that uses SHA-1 to generate internal tables, which are then used in a keystream generator more or less unrelated to the hash algorithm. SEAL is not guaranteed to be as strong (or weak) as SHA-1. Similarly, the key expansion of the HC-128 and HC-256 stream ciphers makes heavy use of the SHA-256 hash function.

5. List of hash functions - Wikipedia

   en.wikipedia.org/wiki/List_of_hash_functions

   SHA-1: 160 bits Merkle–Damgård construction: SHA-224: 224 bits Merkle–Damgård construction: SHA-256: 256 bits Merkle–Damgård construction: SHA-384: 384 bits Merkle–Damgård construction: SHA-512: 512 bits Merkle–Damgård construction: SHA-3 (subset of Keccak) arbitrary sponge function: Skein: arbitrary Unique Block Iteration ...

6. Comparison of cryptographic hash functions - Wikipedia

   en.wikipedia.org/wiki/Comparison_of...

   SHA-1: 1995 SHA-0: Specification: SHA-256 SHA-384 SHA-512: 2002 SHA-224: 2004 SHA-3 (Keccak) 2008 Guido Bertoni Joan Daemen Michaël Peeters Gilles Van Assche: RadioGatún: Website Specification: Streebog: 2012 FSB, InfoTeCS JSC RFC 6986: Tiger: 1995 Ross Anderson Eli Biham: Website Specification: Whirlpool: 2004 Vincent Rijmen Paulo Barreto ...

7. Tips to create a strong password - AOL Help

   help.aol.com/.../tips-to-create-a-strong-password

   A strong password is your first line of defense against intruders and imposters. Here are some helpful tips on creating a secure password so you can make sure your information remains safe. Create a strong password • Use unique words - Don't use obvious words like "password". • Have 12 or more characters - Longer passwords are more secure.