in reply to Re^2: A question about web service security
in thread A question about web service security

You could use a public key encryption scheme. Crypt::RSA would seem like a good start. Another option might be persistent sessions, CGI::Session might be worth a look. Sorry for the vagueness of the answer, but there isn't enough information in the original post to be more specific.

2011-08-05 @ 1255Z Edited CGI::Session CPAN link

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Re^4: A question about web service security
by PerlOnTheWay (Monk) on Aug 05, 2011 at 13:01 UTC

    I am the OP, I forgot to login when I post the question-_-

    I don't think the encryption will work, as you need to expose the encryption method as some function, encrypt, and there's no way to stop a programmer to calculate it himself once he got the encrypt...

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