Get-Sha1HashFile.ps1

1. <# 
2. .SYNOPSIS 
3.     This script uses the SHA1 Crypto Provider to hash a file 
4. .DESCRIPTION 
5.     This script uses SHA1 Cryptoprovider to hash a file and print the hash. A second 
6.     hash is created of the same file, but with a space added. The file I picked is a 
7.     large text file I keep in c:\foo for uses like this! 
8. .NOTES 
9.     File Name  : Get-Sha1HashFile.ps1 
10.     Author     : Thomas Lee - tfl@psp.co.uk 
11.     Requires   : PowerShell Version 2.0 
12. .LINK 
13.     This script posted to: 
14.         http://www.pshscripts.blogspot.com 
15.     Posted to TechEd Sample Gallery at: 
16.  
17. .EXAMPLE 
18.     PSH [C:\foo]: .\Get-Sha1HashFile.ps1 
19.     Hashing     : C:\foo\gd.txt 
20.     Results in  : 760bb67356560232 
21.     Hashing     :  C:\foo\gd.txt + space 
22.     Results in  : 4f7b4902168bba7d 
23.      
24. #> 
25.  
26. # Create Input Data 
27. $file       = (ls c:\foo\*.txt | sort -descending length)[0] # get largest file 
28. $filestr    = Get-Content $file 
29. $filebytes1 = [System.Text.UnicodeEncoding]::Unicode.getbytes($files) 
30. $filebytes2 = [System.Text.UnicodeEncoding]::Unicode.getbytes($files+" ") 
31.  
32. # Create a New SHA1 Crypto Provider 
33. $sha = New-Object System.Security.Cryptography.SHA1CryptoServiceProvider 
34.  
35. # Now hash that 
36. $result1 = $sha.ComputeHash($filebytes1) 
37. "Hashing     : {0}" -f $file.FullName 
38. "Results in  : {0}" -f [system.BitConverter]::ToUint64($result1,0).tostring("x") 
39.  
40. $result2 = $sha.ComputeHash($filebytes2) 
41. "Hashing     : {0}" -f " $($file.FullName) + space" 
42. "Results in  : {0}" -f [system.BitConverter]::ToUint64($result2,0).tostring("x") 

Technorati Tags: PowerShell,script,code,System.Security.Cryptography.Sha1CryptoServiceProvider

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

Get-DnsRegisteredServers.ps1

1. <# 
2. .SYNOPSIS 
3.     This script gets the reverse lookup zone from a DNS Server and 
4.     displays all the systems registered 
5. .DESCRIPTION 
6.     This script first gets the reverse lookup zone from a DNS Server (i.e. 
7.     all the computers that have used the DNS server to register!). The 
8.     script then displays the FQDN, IP Address and Timestamp. 
9. .NOTES 
10.     File Name  : Get-DnsRegisteredServers.ps1 
11.     Author     : Thomas Lee - tfl@psp.co.uk 
12.     Requires   : PowerShell Version 2.0 
13. .LINK 
14.     This script posted to: 
15.         http://www.pshscripts.blogspot.com 
16.     This script posted to TechNet Scripting Gallery 
17.         http://gallery.technet.microsoft.com/ScriptCenter/en-us/28e8b98e-565b-40be-ba2c-1134341bb555     
18. .EXAMPLE 
19.     PSH [C:\foo]: .Get-DnsRegisteredNames.ps1 
20.     Computers reverse registered on DNS Server: Cookham1 
21.     10.10.1.42      superman.cookham.net.                     3590550 
22.     10.10.1.105     batman.cookham.net.                       3582112 
23.     10.10.1.109     jeeves.cookham.net.                       3586452 
24.     10.10.1.111     supergirl.cookham.net.                    3590550 
25.     10.10.1.114     future.cookham.net.                       3589209 
26.     10.10.1.131     bladerunner.cookham.net.                  3587817 
27.     10.10.1.142     wonderwoman.kapoho.net.                   3590551 
28. #> 
29.  
30. $dns = "Cookham1"  
31. $records = get-wmiobject -class MicrosoftDNS_PTRType -namespace root\MicrosoftDNS -computer $dns  
32.  
33. "Computers reverse registered on DNS Server: $DNS" 
34.  
35. # Loop through and display results 
36. foreach ($record in $records) { 
37.  
38. # Get owner name and ip address string 
39. $on = $record.ownerName.split(".") 
40. $ownerip = $on[3] + "." + $on[2] + "." + $on[1] + "." + $on[0] 
41.  
42. # Display details 
43. "{0, -15} {1,-40}  {2,-10} " -f $ownerip, $record.ptrdomainname, $record.timestamp 
44. } 

Technorati Tags: PowerShell,DNS,MicrosoftDNS_PTRType,code,script

Get-EncryptedAesString.ps1

1. <# 
2. .SYNOPSIS 
3.     This script encrypts then decrypts a string using AES 
4. .DESCRIPTION 
5.     This script re-implements an MSDN sample that first  
6.     encrypts a string then decrypts it. The crypto is done 
7.     using AES. Running this script multiple times will result 
8.     in differently encrypted quotes since a new key/IV is  
9.     generated each time you run the script. 
10. .NOTES 
11.     File Name  : Get-AesEnctyptedString.ps1 
12.     Author     : Thomas Lee - tfl@psp.co.uk 
13.     Requires   : PowerShell Version 2.0 
14. .LINK 
15.     This script posted to: 
16.         http://pshscripts.blogspot.com/2010/08/get-encryptedaesstringps1.html 
17.     MSDN Sample posted at: 
18.         http://msdn.microsoft.com/en-us/library/09d0kyb3.aspx  
19. .EXAMPLE 
20.     PSH [C:\foo]: .\Get-AesEncryptedString.ps1 
21.     Quote: 
22.     Things may come to those who wait, but only the things left by those who hustle. -- Abraham Lincoln 
23.   
24.     Encrypted Quote: 
25.     zp4gD/Mmu01Msr3V8d94Kvwut4ClaW+f1HyohT+QjpFN5FVNhyLcQIgia4iD2TcsK/SpLcm5cOi1/KM+d9ENeU2Lkn8fOZHpMnklUrABGDoM1BRQDfWNcVbMIOA4IUY 
26.     zLoJ5huHKhnyPA2fobGouW33HOpONI0zR3KS4RdtD3M3QQsqHW2+QOkE4/Ls/5gCSbcTuP2FDkk3J9b+1XgqzJZx0jZIBl+moUcqA33xQdu5bGhwg1E8sk2oEU8AQyy 
27.     XcRrS/h8vTLve8c0Tpj4f2Vg== 
28.   
29.     Decrypted Quote: 
30.     Things may come to those who wait, but only the things left by those who hustle. -- Abraham Lincoln 
31. #> 
32.  
33.  
34. # Best Practice! 
35. Set-StrictMode  -version 2 
36.   
37. # Two helper functions 
38. function EncryptString{ 
39. param( $SymAlg,  
40.       [string] $inString 
41. ) 
42. $inBlock = [System.Text.UnicodeEncoding]::Unicode.getbytes($instring) 
43. $xfrm = $symAlg.CreateEncryptor() 
44. $outBlock = $xfrm.TransformFinalBlock($inBlock, 0, $inBlock.Length); 
45. return $outBlock; 
46. } 
47.   
48. function DecryptBytes { 
49. param ($SymAlg,  
50. $inBytes 
51. ) 
52. $xfrm = $symAlg.CreateDecryptor(); 
53. $outBlock = $xfrm.TransformFinalBlock($inBytes, 0, $inBytes.Length) 
54. return [System.Text.UnicodeEncoding]::Unicode.GetString($outBlock) 
55. } 
56.  
57. # main script 
58. $Quote = "Things may come to those who wait, but only the " + 
59.          "things left by those who hustle. -- Abraham Lincoln" 
60. "Quote:";$Quote;"" 
61.   
62. # Generate CSP, Key and IV 
63. $AesCSP = New-Object System.Security.Cryptography.AesCryptoServiceProvider 
64. $AesCSP.GenerateKey() 
65. $AesCSP.GenerateIV() 
66.  
67. # Encrypt quote 
68. $EncQuote = EncryptString $aesCSP $quote 
69. "Encrypted Quote:" 
70. [System.Convert]::ToBase64String($encQuote) 
71. "" 
72.   
73. # Now Decrypt  
74. "Decrypted Quote:" 
75. DecryptBytes $AesCSP $EncQuote 

Technorati Tags: PowerShell,scripts,System.Security.Cryptography,System.Security.Cryptography.AesCryptoServiceProvider

Convert-Date.ps1

1. <# 
2. .SYNOPSIS 
3.     This script manipulates a time using TimeZone info methods. 
4. .DESCRIPTION 
5.     This script re-implements an MSDN sample using PowerShell. The script first 
6.     creates a DateTime object then it converts it to Universal, UTC, Pacific and 'local' time.   
7. .NOTES 
8.     File Name  : Convert-Date.ps1 
9.     Author     : Thomas Lee - tfl@psp.co.uk 
10.     Requires   : PowerShell Version 2.0 
11. .LINK 
12.     This script posted to: 
13.         http://pshscripts.blogspot.com/2010/08/convert-dateps1.html 
14.     MSDN Sample posted at: 
15.         http://msdn.microsoft.com/en-us/library/system.timezoneinfo.local.aspx  
16. .EXAMPLE 
17.     PSH [C:\foo]: . 'E:\PowerShellScriptLib\System.TimeZoneINfo\Convert-date.ps 
18.     Date           : 3/21/2006 02:00:00 AM 
19.     Local Time zone: GMT Standard Time 
20.      In Universal time: 3/21/2006 02:00:00 AM 
21.      In UTC           : 3/21/2006 02:00:00 AM 
22.      In Local TZ:     : 3/21/2006 02:00:00 AM 
23.      In Pacific TZ    : 3/21/2006 10:00:00 AM 
24. #> 
25. # Create date object 
26. $date1 = New-Object System.DateTime 2006, 3, 21, 2, 0, 0 
27.  
28. # Display date and local time zone then show that time in other time zones 
29. "Date           : {0}" -f $date1 
30. "Local Time zone: {0}" -f  ([System.TimeZoneInfo]::Local).id 
31. " In Universal time: {0}" -f $date1.ToUniversalTime() 
32. " In UTC           : {0}" -f [System.TimeZoneInfo]::ConvertTimeToUtc($date1) 
33. " In Local TZ:     : {0}" -f [System.TimeZoneInfo]::ConvertTimeToUtc($date1, ([System.TimeZoneInfo]::Local)) 
34. $tz = [System.TimeZoneInfo]::FindSystemTimeZoneById("Pacific Standard Time");   
35. " In Pacific TZ    : {0}" -f [System.TimeZoneInfo]::ConvertTimeToUtc($date1, $tz) 

Technorati Tags: System.TimeZoneInfo,ConvertTime,PowerShell,script,code

Divide-BigInteger.ps1

1. <# 
2. .SYNOPSIS 
3.     This script divides big integers using .NET Framework. 
4. .DESCRIPTION 
5.     This script reimplements an MSDN Sample script using powershell. The 
6.     script creates a dividor and an arry of dividends, then performs  
7.     division operations several ways. 
8. .NOTES 
9.     File Name  : Divide-BigInteger.ps1 
10.     Author     : Thomas Lee - tfl@psp.co.uk 
11.     Requires   : PowerShell Version 2.0 
12.                  .NET Framework 4.0 or higher 
13. .LINK 
14.     This script posted to: 
15.         http://www.pshscripts.blogspot.com 
16.     MSDN Sample posted at: 
17.         http://msdn.microsoft.com/en-us/library/system.numerics.biginteger.divide.aspx 
18. .EXAMPLE 
19.     PSH [C:\foo]: . 'C:\Users\tfl\AppData\Local\Temp\Untitled7.ps1' 
20.     Dividend: 680,564,693,277,057,719,623,408,366,969,033,850,880 
21.     Divisor:  85,070,591,730,234,615,847,396,907,784,232,501,249 
22.     Results: 
23.        Using Divide method:     7 
24.        Using Division operator: 7 
25.        Using DivRem method:     7, remainder 85,070,551,165,415,408,691,630,012,479,406,342,137 
26.  
27.     Dividend: 90,612,345,123,875,509,091,827,560,007,100,099 
28.     Divisor:  85,070,591,730,234,615,847,396,907,784,232,501,249 
29.     Results: 
30.        Using Divide method:     0 
31.        Using Division operator: 0 
32.        Using DivRem method:     0, remainder 90,612,345,123,875,509,091,827,560,007,100,099 
33.      
34.     Dividend: 1 
35.     Divisor:  85,070,591,730,234,615,847,396,907,784,232,501,249 
36.     Results: 
37.        Using Divide method:     0 
38.        Using Division operator: 0 
39.        Using DivRem method:     0, remainder 1 
40.      
41.     Dividend: 19,807,040,619,342,712,359,383,728,129 
42.     Divisor:  85,070,591,730,234,615,847,396,907,784,232,501,249 
43.     Results: 
44.        Using Divide method:     0 
45.        Using Division operator: 0 
46.        Using DivRem method:     0, remainder 19,807,040,619,342,712,359,383,728,129 
47.   
48.     Dividend: 85,070,591,730,234,615,847,396,907,784,232,501,250 
49.     Divisor:  85,070,591,730,234,615,847,396,907,784,232,501,249 
50.     Results:  
51.        Using Divide method:     1 
52.        Using Division operator: 1 
53.        Using DivRem method:     1, remainder 1 
54.   
55. #> 
56.  
57. # Add namespace 
58. $r = [system.Reflection.Assembly]::LoadWithPartialName("System.Numerics") 
59.  
60. #Create a big integer divisor and an array of dividends 
61. $divisor = [system.numerics.BigInteger]::pow([Int64]::MaxValue, 2) 
62. $dividends = @() 
63. $dividends += [system.numerics.BigInteger]::Multiply(([system.numerics.BigInteger] [system.Single]::MaxValue), 2) 
64. $dividends += [system.numerics.BigInteger]::Parse("90612345123875509091827560007100099")  
65. $dividends += [system.numerics.BigInteger]::One 
66. $dividends += [system.numerics.BigInteger]::Multiply([Int32]::MaxValue, [Int64]::MaxValue) 
67. $dividends += $divisor + [system.numerics.BigInteger]::One  
68.   
69. #Divide each dividend by divisor in three different ways 
70. foreach ($dividend in $dividends) { 
71.     "Dividend: {0:N0}" -f $dividend 
72.     "Divisor:  {0:N0}" -f $divisor 
73.     "Results:" 
74.     "   Using Divide method:     {0:N0}" -f  [system.Numerics.BigInteger]::Divide($dividend, $divisor) 
75.     "   Using Division operator: {0:N0}" -f ($dividend/$divisor) 
76.     $remainder = [system.Numerics.BigInteger]::Zero 
77.     $quotient = [system.numerics.BigInteger]::DivRem($dividend, $divisor, [ref] $remainder) 
78.     "   Using DivRem method:     {0:N0}, remainder {1:N0}" -f $quotient, $remainder 
79.     "" 
80. }         

Technorati Tags: PowerShell,Code,scripts. System.Numerics.BigInteger

Get-DriveInfo.ps1

1. <# 
2. .SYNOPSIS 
3.     This script gets and displays basic information about drives on a local system.  
4. .DESCRIPTION 
5.     This script uses the System.Io.DriveInfo's GetDrives method to get drive 
6.     info which is then displayed.   This is a re-implementation of an MSDN 
7.     sample. 
8. .NOTES 
9.     File Name  : Get-DriveInfo.ps1 
10.     Author     : Thomas Lee - tfl@psp.co.uk 
11.     Requires   : PowerShell Version 2.0 
12. .LINK 
13.     This script posted to: 
14.         http://pshscripts.blogspot.com/2010/07/get-driveinfops1.html  
15.     MSDN Sample posted at: 
16.         http://msdn.microsoft.com/en-us/library/system.io.driveinfo.aspx 
17.         http://msdn.microsoft.com/en-us/library/system.io.driveinfo.getdrives.aspx 
18. .EXAMPLE 
19.    PSH [C:\foo]: .\Get-DriveInfo.ps1' 
20.    Drive C:\ 
21.       File type: Fixed 
22.       Volume label: 
23.       File system: NTFS 
24.       Available space to current user:           6.75 gb 
25.       Total available space:                     6.75 gb 
26.       Total size of drive:                     48.828 gb 
27.    Drive D:\ 
28.       File type: Fixed 
29.       Volume label: 
30.       File system: FAT32 
31.       Available space to current user:           1.81 gb 
32.       Total available space:                     1.81 gb 
33.       Total size of drive:                      2.003 gb 
34.       <ETC...> 
35. #> 
36.  
37. # Get Drive Info 
38. $allDrives = [system.Io.DriveInfo]::GetDrives() 
39.  
40. # Now display details 
41. foreach ($d in $allDrives)  { 
42.     "Drive {0}"        -f $d.Name 
43.     "  File type: {0}" -f $d.DriveType 
44.     if ($d.IsReady)  { 
45.          "  Volume label: {0}" -f $d.VolumeLabel 
46.          "  File system: {0}"  -f $d.DriveFormat 
47.          $fs  = $d.AvailableFreeSpace/1gb 
48.          $tfs = $d.TotalFreeSpace/1gb 
49.          $TS  = $d.TotalSize/1gb 
50.          "  Available space to current user:{0, 15:n2} gb" -f $fs 
51.          "  Total available space:          {0, 15:n2} gb" -f $tfs 
52.          "  Total size of drive:            {0, 15:n3} gb" -f $ts 
53.     } 
54. } 

Technorati Tags: PowerShell,code,script,System.Io.DriveInfo

Get-MultiplyBigInteger.ps1

1. <# 
2. .SYNOPSIS 
3.     This script re-implements this MSDN Sample of  
4.     multiplying a big integer. 
5. .DESCRIPTION 
6.     This script first tries and fails to multiple a pair of large integers. The 
7.     script catches the error and then used BigInteger.Multiply to multiply  
8.     the two big itegers. 
9. .NOTES 
10.     File Name  : Get-MultiplyBigInteger.ps1 
11.     Author     : Thomas Lee - tfl@psp.co.uk 
12.     Requires   : PowerShell Version 2.0 
13. .LINK 
14.     This script posted to: 
15.         http://www.pshscripts.blogspot.com 
16.     MSDN Sample posted at: 
17.         http://msdn.microsoft.com/en-us/library/system.numerics.biginteger.multiply.aspx 
18. .EXAMPLE 
19.     PSH [C:\foo]: .Get-MultiplyBigInteger.ps1 
20.     Too big for long, try biginteger 
21.     12,193,263,111,263,526,900 
22. #> 
23. # Add System.Numerics namespace 
24. $r=[system.Reflection.Assembly]::LoadWithPartialName("System.Numerics") 
25.  
26. # Two big numbers 
27. $number1 = 1234567890 
28. $number2 = 9876543210 
29.  
30. # Try normal [long] then catch error and do biginteger 
31. try 
32. { 
33.    [long] $product = $number1 * $number2 
34. } 
35. catch  
36. {  "Too big for long, try biginteger" 
37.    $product = New-Object System.Numerics.BigInteger 
38.    $product = [System.Numerics.BigInteger]::Multiply($number1, $number2) 
39.    $product.ToString("N0") 
40. }    

Technorati Tags: PowerShell,Code,Script,System.Numerics.BigInteger

Get-ConvertedTime.ps1

1. <# 
2. .SYNOPSIS 
3.     This script converts time using ConvertTime method.  
4. .DESCRIPTION 
5.     This script re-implements an MSDN sample. 
6. .NOTES 
7.     File Name  : Get-ConvertedTime.ps1 
8.     Author     : Thomas Lee - tfl@psp.co.uk 
9.     Requires   : PowerShell Version 2.0 
10. .LINK 
11.     This script posted to: 
12.         http://pshscripts.blogspot.com/2010/08/get-convertedtimeps1.html
13.     MSDN Sample posted at: 
14.         http://msdn.microsoft.com/en-us/library/bb382835.aspx  
15. .EXAMPLE 
16.     PSH [C:\foo]: .\Get-ConvertedTime.ps1 
17.     Local time zone: (GMT) Greenwich Mean Time : Dublin, Edinburgh, Lisbon, London 
18.  
19.     Converted 1/1/2010 12:01:00 AM Unspecified to 12/31/2009 07:01:00 PM 
20.     Converted 1/1/2010 12:01:00 AM Utc to 12/31/2009 07:01:00 PM 
21.     Converted 1/1/2010 12:01:00 AM Local to 12/31/2009 07:01:00 PM 
22.     Converted 11/6/2010 11:30:00 PM Unspecified to 11/6/2010 07:30:00 PM 
23.     Converted 11/7/2010 02:30:00 AM Unspecified to 11/6/2010 10:30:00 PM 
24. #> 
25. #Create an array of times to convert 
26. [DateTime[]] $times = (New-Object system.dateTime 2010, 1, 1, 0, 1, 0),  
27.                       (New-Object system.DateTime(2010, 1, 1, 0, 1, 0, [System.DateTimeKind]::Utc)),  
28.                       (New-Object system.dateTime(2010, 1, 1, 0, 1, 0, [System.DateTimeKind]::Local)),                             
29.                       (New-Object system.DateTime(2010, 11, 6, 23, 30, 0)), 
30.                       (New-Object system.DateTime(2010, 11, 7, 2, 30, 0) ); 
31.  
32. # Retrieve the time zone for Eastern Standard Time (U.S. and Canada). 
33. try { 
34.   $Est = [System.TimeZoneInfo]::FindSystemTimeZoneById("Eastern Standard Time"); 
35. } 
36. catch { 
37.   "Unable to retrieve the Eastern Standard time zone." 
38.   return; 
39. } 
40.  
41. #  Display the current time zone name. 
42. "Local time zone: {0}`n" -f [system.TimeZoneInfo]::Local.DisplayName 
43.  
44. # Convert and display each time in the $times array 
45.  foreach ($timeToConvert in $times)  { 
46.   $TargetTime = [System.TimeZoneInfo]::ConvertTime($TimeToConvert, $Est) 
47.   "Converted {0} {1} to {2}" -f $timeToConvert,$timeToConvert.Kind, $targetTime 
48. }                         

Technorati Tags: PowerShell,Script,System.DateTime,ConvertTime

Get-BigIntegerProperties.ps1

1. <# 
2. .SYNOPSIS 
3.     This script displays dynamic properties of a BigInteger  
4. .DESCRIPTION 
5.     This script demonstates the properties on an instance of BigInteger 
6. .NOTES 
7.     File Name  : Get-BigIntegerProperties.ps1 
8.     Author     : Thomas Lee - tfl@psp.co.uk 
9.     Requires   : PowerShell Version 2.0 
10.                  .NET Framework 4    
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.numerics.biginteger_properties.aspx 
16. .EXAMPLE 
17.     PSH [c:\foo]: .\Get-BigIntegerProperties.ps1 
18.     Big Integer from 4096: 
19.  
20.     IsPowerOfTwo : True 
21.     IsZero       : False 
22.     IsOne        : False 
23.     IsEven       : True 
24.     Sign         : 1 
25. #> 
26.  
27. # Add the .NET Version 4 System.Numerics.DLL 
28. Add-Type -Path "C:\Windows\Microsoft.NET\Framework\v4.0.30319\System.Numerics.dll" 
29.  
30. # Create a big integer then display it's key properties 
31. $BigInt = New-object System.Numerics.BigInteger 4096 
32. "Big Integer from 4096:" 
33. $BigInt | fl * 

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