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Goodbye SHA-1: NIST Retires 27-Year-Old Widely Used Cryptographic Algorithm

The U.S. National Institute of Standards and Technology (NIST), an agency within the Department of Commerce, announced Thursday that it's formally retiring the SHA-1 cryptographic algorithm. SHA-1, short for Secure Hash Algorithm 1, is a 27-year-old hash function used in cryptography and has since been deemed broken owing to the risk of collision attacks. While hashes are designed to be