Ethical Hacking: Techniques, Tools, and Countermeasures, 4th Edition

Common Cryptographic Systems

Organizations that handle sensitive information can benefit from cryptographic protection. Although current U.S. laws do not place any restrictions on the types and nature of cryptosystems that can be sold within U.S. borders, exportation of cryptosystems from the United States is regulated. In the past, encryption systems were placed into the same category as munitions or weapons technology, so approval from the U.S. State Department was needed to export the technology. More recently, cryptosystems have been reclassified as dual-use technology, so export controls are somewhat more relaxed. One problem with controlling the export of cryptosystems in today’s world is that the Internet allows cryptographic systems ...