Created
May 12, 2015 17:31
-
-
Save jaredswarts55/248ef0e68206a323ab90 to your computer and use it in GitHub Desktop.
net-newsletter-issue-2 - Powershell Solution
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| function Get-SHA1($text) | |
| { | |
| $hasher = new-object System.Security.Cryptography.SHA256Managed | |
| $toHash = [System.Text.Encoding]::UTF8.GetBytes($text) | |
| $hashByteArray = $hasher.ComputeHash($toHash) | |
| foreach($byte in $hashByteArray) | |
| { | |
| $res += $byte.ToString("x2") | |
| } | |
| return $res; | |
| } | |
| $pairs = (gc .\challenge.json | | |
| out-string | | |
| ConvertFrom-Json).psobject.properties | | |
| sort-object Name | | |
| % { "$($_.Name)=$([Web.HttpUtility]::UrlEncode($_.Value) -replace "\+","%20")"} | |
| $unixEpoch = (New-TimeSpan -Start (Get-Date -date "1/1/1970") -End (Get-Date "5/12/2015")).TotalMilliseconds | |
| write-host $unixEpoch | |
| $query=[string]::Join('&', $pairs) + "×tamp=$unixEpoch" | |
| $toHash = ($query + "1234MySuperSecretKey4321") | |
| $hash = Get-SHA1($toHash) | |
| write-host "$query&signature=$hash" |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment