SHA1

A cryptographic hash function that computes a 160-bit hash value of some given data. Often used to obscure passwords in databases. It's significantly more secure than MD5, but some weaknesses have been published. Consider using an SHA2 family hash algorithm instead, such as SHA256. Other alternatives include RIPEMD160 and Whirlpool.

sha1("test") = a94a8fe5ccb19ba61c4c0873d391e987982fbbd3

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AES

AES is short for Advanced Encryption Standard. It has two definitions:

1) The process in which the U.S. government (NIST) approves a cryptographic standard.

2) The winner of the latest U.S. government cryptographic testing. In this case, Rijndael won. It's a block cipher with a 128-bit block size. It uses a 128-bit, 192-bit or 256-bit key size and is considered to be extremely secure.

The Serpent cipher came a close second to Rijndael in the AES competition.

It's encrypted with 256-bit AES, there's no way you can crack it!

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crypto

Shorthand name for cryptography.

If you need to secure some data, just use crypto.

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