1 [NAME] 2 sha1sum \- compute and check SHA1 message digest 3 [DESCRIPTION] 4 .\" Add any additional description here 5 [BUGS] 6 Do not use the SHA-1 algorithm for security related purposes. 7 Instead, use an SHA\-2 algorithm, implemented in the programs 8 sha224sum(1), sha256sum(1), sha384sum(1), sha512sum(1), 9 or the BLAKE2 algorithm, implemented in b2sum(1) 10 [SEE ALSO] 11 cksum(1) 12