Asked Nov 11, 2019

Most modern TCP implementations use pseudo-random number generators (PRNG) to determine starting sequence numbers for TCP sessions. With such generators, it is difficult to compute the ith number generated, given only the (i - 1)st number generated. Explain what network security risks are created if an attacker is able to break such a PRNG so that he can in fact easily compute the ith number generated, given only the (i - 1) st number generated.


Expert Answer

Step 1

The ith number can be generated if (i-1)th number is generated, and thus the entire series can be generated. It helps the hacker to know about the details about the packets. When an intruder splits a pseudo-random number, the security risks that can be generated are:

  • It is easy to know about the series of packets.
  • The packets can be snif...

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