Basic implementation of SHA-256 and SHA-512 in C.
Use as a command line tool to hash strings.
./sha256 abc
Produces:
ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad
./sha512 abc
Produces:
ddaf35a193617abacc417349ae20413112e6fa4e89a97ea2a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f
./sha256 -f myFile or ./sha512 -f myFile
Allows to specify a file containing a string. Important: a trailing \n is removed.
./sha256 -v abc or ./sha512 -v abc Makes the output somewhat more verbose.