Hashing out encryption
Federal agencies have been put on notice that National Institute of Standards and Technology officials plan to phase out a widely used cryptographic hash function known as SHA-1 in favor of larger and stronger hash functions such as SHA-256 and SHA-512.
The change will affect many federal cryptographic functions that incorporate hashes, particularly digital signatures, said William Burr, manager of NIST's security technology group, which advises federal agencies on electronic security standards.
By Florence Olsen at FCW.
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