Powersehll MD5加密函数

1. #将字符串MD5为大写格式
   
2. 
   
3. $someString = "test"
   
4. $md5 = new-object -TypeName System.Security.Cryptography.MD5CryptoServiceProvider
   
5. $utf8 = new-object -TypeName System.Text.UTF8Encoding
   
6. $hash = [System.BitConverter]::ToString($md5.ComputeHash($utf8.GetBytes($someString)))
   
7. 
   
8. #to remove hyphens and downcase letters add:
   
9. $hash = $hash.ToLower() -replace '-', ''

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