Example script for generating a vxworks password hash

git-svn-id: file:///home/svn/framework3/trunk@9976 4d416f70-5f16-0410-b530-b9f4589650da

tools/vxencrypt.rb

@@ -0,0 +1,31 @@
+#
+# This script can be used to calculate hash values for VxWorks passwords.
+#
+
+
+
+def hashit(inp)
+	if inp.length < 8 or inp.length > 120
+		raise RuntimeError, "The password must be between 8 and 120 characters"
+	end
+	sum   = 0
+	bytes = inp.unpack("C*")
+	bytes.each_index {|i| sum += (bytes[i] * (i + 1)) ^ (i + 1) }
+	hackit(sum)
+end
+
+
+def hackit(sum)
+	magic = 31695317
+	res = ((sum * magic) & 0xffffffff).to_s
+	res.unpack("C*").map{ |c|
+		c += 0x21 if c < 0x33
+		c += 0x2f if c < 0x37
+		c += 0x42 if c < 0x39
+		c
+	}.pack("C*")
+end
+
+input = ARGV.shift || "flintstone"
+$stderr.puts "[*] Hash for password '#{input}' is #{hashit(input)}"
+