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 __   __     ___      _____    _    _     ______  
 \ \\/ //   / _ \\   |__  //  | || | ||  /_   _// 
  \   //   / //\ \\    / //   | || | ||  `-| |,-  
  / . \\  |  ___  ||  / //__  | \\_/ ||    | ||   
 /_//\_\\ |_||  |_|| /_____||  \____//     |_||   
 `-`  --` `-`   `-`  `-----`    `---`      `-`'

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Text this: ID-based Multi-signer Universal Designated Multi-verifier Signature Based on Discrete Logarithm