首页>
外国专利>
Clock cycle randomization for protection against cryptographic attacks
Clock cycle randomization for protection against cryptographic attacks
展开▼
机译:时钟周期随机化以防止密码攻击
展开▼
页面导航
摘要
著录项
相似文献
摘要
Methods, systems, and apparatuses for defending against cryptographic attacks using clock period randomization. The methods, systems, and apparatuses are designed to make side channel attacks and fault injection attacks more difficult by using a clock with a variable period during a cryptographic operation. In an example embodiment, a clock period randomizer includes a fixed delay generator and a variable delay generator, wherein a variable delay generated by the variable delay generator is based on a random or pseudorandom value that is changed occasionally or periodically. The methods, systems, and apparatuses are useful in hardware security applications where fault injection and/or side channel attacks are of concern.
展开▼