Date Added: Aug 2011
In today's information age, communications play an important role which is becoming widespread as well. The same aspects of cryptography that make it useful for security and privacy make it particularly troublesome for law enforcement. The use of cryptography by criminals can prevent law enforcement from obtaining information needed for the prevention and prosecution of crime. The international organizations have acted to regulate cryptography and protect the legitimate interests of law enforcement, while attempting to balance the needs of legitimate users of cryptography. Cryptography can be classifies into Symmetric and asymmetric encryption algorithms.