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DS1205S芯片解密技术

   文章来源:Internet  发布时间:2009-10-28  访问量:1699

  在IC解密/单片机解密/芯片解密等项目合作过程中,无论是客户还是解密工程师或者负责沟通的业务人员,都需要对IC芯片本身的性能特征及解密技术实现有一定的了解。因为不同IC芯片具有不同的加密特性,在解密过程中采用的技术手法也会有所不同,且由于加密性能不同,在解密难易程度上也有不同,客户如果能够了解IC芯片本身的技术特征,就能够很好的与解密工程师及业务人员沟通,确保解密项目的顺利进行,减小风险性。而工程师在熟练掌握IC芯片技术原理及加解密性质的基础上,能够为每一颗芯片选择最合适的解密方案,为客户带来更大经济价值。
  DS1205S解密是世纪芯科技在DALLAS系列IC解密中的典型型号,目前,世纪芯科技已经成功突破DALLAS全系列单片机解密,能够为客户提供高效可靠的解密方案。这里,我们仅提供对DS1205S芯片的基本介绍,有DS1205S解密需求者请与世纪芯科技联系咨询更多详情。
  关于DS1205S
  The DS1205S MultiKey Chip is an enhanced version of the DS1204U Electronic Key which has both a standard 3-wire interface (data, clock, and reset) and a 1-wire interface.The DS1205S MultiKey has three secure read/write subkeys which are each 384 bits in length. In addition,there is a 512-bit read/write scratchpad which can be used as a non-secure data area or as a holding register for data transfer to one of the three subkeys. Each subkey within the part is uniquely addressable on byte boundaries.
  DS1205S FEATURES
  Three secure read/write data partitions of 384 bits each
  One non-secure read/write data partition of 512 bits
  Secure data cannot be deciphered by reverse engineering
  Guaranteed unique, 48-bit, laser etched serial number
  64-bit password and I.D. fields provide positive identification and security for each secure data partition
  Maximum data transfer rate of 2 million bits/second
  Low-power CMOS circuitry
  Access via 3-wire or 1-wire interface
  Applications include proprietary data, financial transactions,secure personnel areas, and systems access control

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