Get-Sha1Hash.ps1

1. <# 
2. .SYNOPSIS 
3.     This script uses the SHA1 Crypto Provider to hash a string 
4. .DESCRIPTION 
5.     This script creates 2 strings, and a SHA1 Crypto Provider. 
6.     The script then hashes the strings and displays the results.  
7. .NOTES 
8.     File Name  : Get-Sha1Hash.ps1 
9.     Author     : Thomas Lee - tfl@psp.co.uk 
10.     Requires   : PowerShell Version 2.0 
11. .LINK 
12.     This script posted to: 
13.         http://www.pshscripts.blogspot.com 
14.     MSDN Sample posted at: 
15.         http://msdn.microsoft.com/en-us/library/system.security.cryptography.sha1cryptoserviceprovider.aspx 
16.     Posted to TechEd Sample Gallery at: 
17.      
18. .EXAMPLE 
19.     PSH [C:\foo]: . 'E:\PowerShellScriptLib\System.Security.Crpytography\Get-Sha1Hash.ps1' 
20.     Hashing     : This is a string to hash 
21.     Results in  : z→???_r♠W??o???]rv?? 
22.   
23.     Hashing     : this is a string to hash 
24.     Results in  : ???☺$?Z??♀???????U?' 
25. #> 
26.  
27. # Create Input Data 
28. $enc = [system.Text.Encoding]::ASCII 
29. $string1 = "This is a string to hash" 
30. $string2 = "this is a string to hash" 
31. $data1 = $enc.GetBytes($string1) 
32. $data2 = $enc.GetBytes($string2) 
33.  
34. # Create a New SHA1 Crypto Provider 
35. $sha = New-Object System.Security.Cryptography.SHA1CryptoServiceProvider 
36.  
37. # Now hash and display results 
38. $result1 = $sha.ComputeHash($data1) 
39. "Hashing     : {0}" -f $string1 
40. "Results in  : {0}" -f $enc.Getstring($result1) 
41. "" 
42.  
43. $result2 = $sha.ComputeHash($data2) 
44. "Hashing     : {0}" -f $string2 
45. "Results in  : {0}" -f $enc.Getstring($result2) 

Technorati Tags: PowerShell,Script,System.Security.Cryptography.Sha1CryptoServiceProvider. GetHash