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Secure Hash Algorithm

Overview#

The Secure Hash Algorithm (SHA) is a one-way Cryptographic Hash Function.

There are actually several different forms of the Secure Hash Algorithm:

: A hash function formerly called Keccak, chosen in 2012 after a public competition among non-NSA designers. It supports the same Message Digest lengths as SHA-2, but its internal structure differs significantly from the rest of the SHA family.

All forms of the Secure Hash Algorithm are considered stronger than the MD5 algorithm.

recent advancements that may indicate a possibility of weakness in the SHA-1 SHA-1 Deprecation SHAttered

There have been recent advancements that may indicate a weakening of the SHA-1 variant, but nevertheless there is no evidence to suggest that the way it is used in most applications are under any danger, nor is there any concern about any of the SHA-2 encodings.

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