文件名称:Applications
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digital signature
is a string attached to a message that is used to guarantee the integrity and authenticity of the message
can be viewed as a 2-key massage authentication code (MAC), just as a public-key cryptosystem is a 2-key version in a classical cryptosystem
is a string attached to a message that is used to guarantee the integrity and authenticity of the message
can be viewed as a 2-key massage authentication code (MAC), just as a public-key cryptosystem is a 2-key version in a classical cryptosystem
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Applications.ppt