voip algorithm

The MD5 algorithm takes as input a message of arbitrary length and produces as output signal 128-bit”fingerprint” or”message digest” of the input signal. It’s conjectured it is computationally infeasible to produce two messages with the exact same message digest or to make any message having a given prespecified target message digest. The MD5 algorithm is meant for digital signature applications, where a huge file needs to be”compressed” in a secure manner before being encrypted with a private (secret) key beneath a Publickey cryptosystem like RSA. 

MD5 can be utilized at SIP authentication. 

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