no, not if it is a modern algorithm without header. you can look if it has something like an header, but if not, then you haven't got a chance. there's no difference between random data and encrypted data (assuming it's a strong algorithm) dominik > I am auditing one of my critical service system. This system provides our > users a method of stock exchange. By using ethereal I found the data > packets was encypted like in SSL. Next I found the private key in my server > and encypted symmetric key payload in the captured packets. After > successfully decrypting the 16- bytes symmetric key, I test many encryption > algorithm to decrypted the captured ciphertext, but all failed. > I want to know if encryption algorithm has footprint. Is there any technica > to find which encryption algorithm it used? > Thank you all and Happy Chinese New year! > > Haiyan Chen > > *********************** > [securityat_private] > www.fooyu.com > ***********************
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