Updated the Readme

README.md

@@ -3,4 +3,26 @@ HashPump
 
 A tool to exploit the hash length extension attack in various hashing algorithms
 
-Currently supported algorithms: SHA1
+Currently supported algorithms: MD5, SHA1, SHA256, SHA512
+
+Help Menu
+=========
+
+./HashPump -h
+HashPump [-h help] [-t test] [-s signature] [-d data] [-a additional] [-k keylength]
+     HashPump generates strings to exploit signatures vulnerable to the Hash Length Extension Attack.
+     -h --help          Display this message.
+     -t --test          Run tests to verify each algorithm is operating properly.
+     -s --signature     The signature from known message.
+     -d --data          The data from the known message.
+     -a --additional    The information you would like to add to the known message.
+     -k --keylength     The length in bytes of the key being used to sign the original message with.
+     Version 1.0 with MD5, SHA1, SHA256 and SHA512 support.
+     <Developed by bwall(@bwallHatesTwits)>
+
+Sample Output
+=============
+
+./HashPump -s 6d5f807e23db210bc254a28be2d6759a0f5f5d99 --data count=10\&lat=37.351\&user_id=1\&long=-119.827\&waffle=eggo -a \&waffle=liege -k 14
+0e41270260895979317fff3898ab85668953aaa2
+count=10&lat=37.351&user_id=1&long=-119.827&waffle=eggo\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02(&waffle=liege