Answer Posted / nidhi aggarwal
Message digest is a compact digital signatures for a long
binary file. An ideal message digest algorithm will
generate different signatures for different input files.
MD1-5 algorithms are intoduced.
For generating a message digest, in UNIX use "md5" command.
bash-2.05a$ md5 /kernel
MD5 (/kernel) = cdd6056e13686981c50ca6008782732a
For older UNIX systems, use "sum" command instead of "md5"
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