diff --git a/sha256.ps1 b/sha256.ps1
index a85c0ba8..72501825 100644
--- a/sha256.ps1
+++ b/sha256.ps1
@@ -1,6 +1,2 @@
 param([string]$file)
-$hash = [Security.Cryptography.HashAlgorithm]::Create( "SHA256" )
-$path = (Resolve-Path -Path $file).Path
-$stream = ([IO.StreamReader]$path).BaseStream
--join ($hash.ComputeHash($stream) | ForEach-Object { "{0:x2}" -f $_ })
-$stream.Close()
\ No newline at end of file
+(Get-FileHash $file -Algorithm SHA256).Hash.ToLower()