A function to get the secure hash of a string

Get-StringHash

Function Get-StringHash {
param(
[CmdletBinding()]
	[Parameter(ValueFromPipeline=$True,Mandatory=$True,HelpMessage="String to hash")]
    $String,
	[Parameter(HelpMessage="Hash algorithm")]
	[ValidateSet('MD5','RIPEMD160','SHA1','SHA256','SHA384','SHA512')]
	$Algorithm = "SHA1"
)
$StringBuilder = New-Object System.Text.StringBuilder
$ByteHash = [System.Security.Cryptography.HashAlgorithm]::Create($Algorithm).ComputeHash([System.Text.Encoding]::UTF8.GetBytes($String)) 
	ForEach ($Byte in $ByteHash) {
		[Void]$StringBuilder.Append($Byte.ToString("x2")) #Convert byte array to hex
	}
$Hash = $StringBuilder.ToString()
Return $Hash
} #End Get-StringHash