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美信ChipDNA技术为每片IC生成唯一密钥,把黑客拒之门外

安全是一个永恒的话题,近年来国内外互联网遭受黑客入侵事件频繁发生,大家是否记得58同城全国简历泄露、印度麦当劳220W用户收据遭泄露、用户家中的摄像头被入侵启动、破解POS机盗刷银行卡,信用卡造假、RFID入侵、医疗设备的入侵,甚至去年美国总统大选也没有逃过黑客的光顾,种种场景无不令用户胆战心惊。据Forrester报告显示,今年有超过500000个IOT设备受到攻击,放眼未来,尤其是在万物互联的时代,实现2035年,物联网设备达1万亿台的愿情,安全问题已不容忽视。

之前许多工程师认为安全保护方案的实施不仅昂贵、操作起来也很困难又耗时,因此把安全问题留给软件进行保护,如今仅靠软件保护显然已经不能挡住黑客的脚步,致力于开发创新模拟和混合信号产品、技术的美信公司有着超过20年的安全IC开发经验,近期发布了一款安全芯片DS28E38,采用ChipDNA技术,将安全性提高到新的台阶。美信微处理器与安全产品事业部副总裁Don Loomis 先生表示:“DS28E38采用的ChipDNAPUF技术,在物理上是无法克隆的技术,使其有效防御入侵式攻击,因为基于ChipDNA的根密钥根本就不存在于存储器或任何其他静态空间。”


Don Loomis美信微处理器与安全产品事业部副总裁

何为ChipDNA技术?

Don解释到,ChipDNA技术是一种无法克隆的技术,利用IC器件的随机电学特征获取PUF,需要时为每片IC生成唯一、可重复的根密钥,并在用完时立即消失。一旦遭受入侵,将导致电路的敏感电特性发生变化,进一步阻止破坏行为。提供NIST级加密的超高可靠性。

成本不足1美元的DS28E38

DS28E38是第一款采用ChipDNA的产品,具有以下特性

高安全性:ChipDNA保护的加密工具包括非对称(ECC-P256)硬件引擎、真随机数发生器(TRNG)、带认证保护的仅递减计数器、2Kb安全电可擦可编程只读存储器(EEPROM)、唯一的64位ROM识别码。
容易实施、高成效:单触点1-Wire操作、无需器件级固件开发、简化密钥管理,免费提供主机系统软件工具。
高可靠性:在整个时间、温度和电压范围,PUF密钥误码率(KER)仅为5ppb。

DS28E38适用任何应用领域如消费产品、工业类产品、外设和电缆、医疗设备、供应商管理等等。DS28E38采用3mm x 3mm 6引脚TDFN封装,价格为0.83美元(1000片起,FOB USA),用户可以通过美信官网及特许经销商购买。

安全问题无论是在PC 时代、移动互联时代,还是将来的物联网时代都不容忽视,美信提供的DS28E38有效的防御了物理或黑盒逆向攻击,受到多用户好评。


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