借助数字签名的思想，对原始图像进行哈希变换，并用私钥对其加密。

借助数字签名的思想，对原始图像进行哈希变换，并用私钥对其加密。的英文翻译

基本释义

• Making use of digital signature, the original image is transformed by Hash function and is encrypted by their private key.