Sender s private key encrypted communications with their own content generated digital signature the sender, and send it to the receiving party the receiving party using the sender s public key to verify the contents of the signature Consideration: (1) whether there are security issues in this way? (2) Please select the file test-1.txt respectively and test_pig.bmp as communications content, the whole process were recorded with a time and compare

简单数字签名与验证\.project
..................\src\xmu\software\intsec\cry\simple\sign\MySimpleSign.java
..................\...\...\........\......\...\......\....\frame\ImagePanel.java
..................\...\...\........\......\...\......\....\.....\User.java
..................\...\...\........\......\...\......\....\.....\UserB.java
..................\...\...\........\......\...\utils\DESUtil.java
..................\...\...\........\......\...\.....\TypeTransform.java
..................\...\...\........\......\...\.....\RSAUtil.java
..................\...\Client.java
..................\bin\xmu\software\intsec\cry\utils\TypeTransform.class
..................\...\...\........\......\...\.....\DESUtil.class
..................\...\...\........\......\...\.....\RSAUtil.class
..................\...\...\........\......\...\simple\sign\frame\UserB$UserCommunicating.class
..................\...\...\........\......\...\......\....\.....\UserB$1.class
..................\...\...\........\......\...\......\....\.....\UserB$Communicate.class
..................\...\...\........\......\...\......\....\.....\UserB.class
..................\...\...\........\......\...\......\....\.....\User$Communicate.class
..................\...\...\........\......\...\......\....\.....\User$UserCommunicating.class
..................\...\...\........\......\...\......\....\.....\User.class
..................\...\...\........\......\...\......\....\.....\ImagePanel.class
..................\...\...\........\......\...\......\....\.....\User$1.class
..................\...\...\........\......\...\......\....\MySimpleSign.class
..................\...\Client.class
..................\.classpath
..................\test-1.txt
..................\实验结果\发送方.jpg
..................\........\接收方.jpg
..................\test_pig.png
..................\src\xmu\software\intsec\cry\simple\sign\frame
..................\bin\xmu\software\intsec\cry\simple\sign\frame
..................\src\xmu\software\intsec\cry\simple\sign
..................\bin\xmu\software\intsec\cry\simple\sign
..................\src\xmu\software\intsec\cry\simple
..................\...\...\........\......\...\utils
..................\bin\xmu\software\intsec\cry\utils
..................\...\...\........\......\...\simple
..................\src\xmu\software\intsec\cry
..................\bin\xmu\software\intsec\cry
..................\src\xmu\software\intsec
..................\bin\xmu\software\intsec
..................\src\xmu\software
..................\bin\xmu\software
..................\src\xmu
..................\bin\xmu
..................\src
..................\bin
..................\实验结果
简单数字签名与验证

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