I think you should first decode message, extract salt and iv, and after that provide them to Crypt::CBC->new. Though I'm not sure that schemes used by Crypt::CBC and C# are compatible.

In reply to Re: Encrypting a Message in C# with Rijndael and Decrypting it on Perl by zwon
in thread Encrypting a Message in C# with Rijndael and Decrypting it on Perl by zeussn

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