![]() ![]() US-exportable version of RC4) takes 2^40 steps - this kind of computing power is available in most universities and even small companies. This brute force method requires vast amounts of computing power as length of the key increase.įor example a 32-bit key takes 2^32 () steps. ![]() In theory one can break any encryption algorithm by exhausting every key in a sequence. I have read that a GPU cluster will crack old ZIP 2.0 archives almost instantly, and that there is a vulnerability in the ZIP 2.0 encryption. ![]() Sophisticated technology is used by law enforcement agencies to decipher encrypted information that might contain incriminating evidence. Governments have always had concerns with strong encryption fearing that it could be used against their countries by criminals. Cracking Encryption Algorithms Need for secure encryption algorithms Good cryptographic systems should always be designed so that they are as difficult to break as possible.
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