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1. 发明授权

US08582756B2 Reduction of side-channel information by interacting crypto blocks 有权
公开(公告)号：US08582756B2
公开(公告)日：2013-11-12
申请号：US12449333
申请日：2008-02-08
申请人： Steffen Peter , Michael Methfessel , Peter Langendorfer , Frank Vater
发明人： Steffen Peter , Michael Methfessel , Peter Langendorfer , Frank Vater
IPC分类号： H04K1/00 , H04L9/00 , H04L9/28 , H04L9/30 , G06F11/30 , G06F12/14
摘要： A cryptography device which reduces side channel information including a first computing block adapted to either encrypt or decrypt received first input data and to output the encrypted or decrypted first input data as first output data at a first data output, a second computing block adapted to either encrypt or decrypt received second input data and to output the encrypted or decrypted second input data as second output data at a second data output, and a control unit connected to the first and second computing blocks and adapted in a first operating condition on the one hand to partially or completely assign the first output data to the first computing block as the first input data and on the other hand to completely or partially assign the first output data to the second computing block as part of the second input data.

2. 发明授权

US08625780B2 Reduction of side-channel information by interacting crypto blocks 有权
标题翻译：通过交互密码块减少侧信道信息
公开(公告)号：US08625780B2
公开(公告)日：2014-01-07
申请号：US12449333
申请日：2008-02-08
申请人： Steffen Peter , Michael Methfessel , Peter Langendorfer , Frank Vater
发明人： Steffen Peter , Michael Methfessel , Peter Langendorfer , Frank Vater
IPC分类号： H04K1/00 , H04L9/00 , H04L9/28 , H04L9/30 , G06F11/30 , G06F12/14
CPC分类号： G06F7/725 , G06F7/00 , G06F7/582 , G06F21/72 , G06F21/75 , G06F21/755 , G06F2207/7223 , G06F2207/7266 , H04L9/003 , H04L9/06 , H04L2209/08 , H04L2209/12
摘要： A cryptography device which reduces side channel information including a first computing block adapted to either encrypt or decrypt received first input data and to output the encrypted or decrypted first input data as first output data at a first data output, a second computing block adapted to either encrypt or decrypt received second input data and to output the encrypted or decrypted second input data as second output data at a second data output, and a control unit connected to the first and second computing blocks and adapted in a first operating condition on the one hand to partially or completely assign the first output data to the first computing block as the first input data and on the other hand to completely or partially assign the first output data to the second computing block as part of the second input data.
摘要翻译：一种加密装置，其减少侧信道信息，包括适于加密或解密所接收的第一输入数据的第一计算块，以及在第一数据输出端输出加密或解密的第一输入数据作为第一输出数据;第二计算块，加密或解密所接收的第二输入数据，并在第二数据输出端输出加密或解密的第二输入数据作为第二输出数据;以及控制单元，连接到第一和第二计算块，一方面适应于第一操作条件部分地或完全地将第一输出数据分配给第一计算块作为第一输入数据，另一方面将第一输出数据全部或部分地分配给第二计算块作为第二输入数据的一部分。

3. 发明申请

US20100095133A1 REDUCTION OF SIDE-CHANNEL INFORMATION BY INTERACTING CRYPTO BLOCKS 有权
标题翻译：通过交互块来减少信道的信息
公开(公告)号：US20100095133A1
公开(公告)日：2010-04-15
申请号：US12449333
申请日：2008-02-08
申请人： Steffen Peter , Michael Methfessel , Peter Langendorfer , Frank Vater
发明人： Steffen Peter , Michael Methfessel , Peter Langendorfer , Frank Vater
IPC分类号： G06F21/00 , G06F7/72 , H04L9/06
CPC分类号： G06F7/725 , G06F7/00 , G06F7/582 , G06F21/72 , G06F21/75 , G06F21/755 , G06F2207/7223 , G06F2207/7266 , H04L9/003 , H04L9/06 , H04L2209/08 , H04L2209/12
摘要： A cryptography device which reduces side channel information including a first computing block adapted to either encrypt or decrypt received first input data and to output the encrypted or decrypted first input data as first output data at a first data output, a second computing block adapted to either encrypt or decrypt received second input data and to output the encrypted or decrypted second input data as second output data at a second data output, and a control unit connected to the first and second computing blocks and adapted in a first operating condition on the one hand to partially or completely assign the first output data to the first computing block as the first input data and on the other hand to completely or partially assign the first output data to the second computing block as part of the second input data.
摘要翻译：一种加密装置，其减少侧信道信息，包括适于加密或解密所接收的第一输入数据的第一计算块，以及在第一数据输出端输出加密或解密的第一输入数据作为第一输出数据;第二计算块，加密或解密所接收的第二输入数据，并在第二数据输出端输出加密或解密的第二输入数据作为第二输出数据;以及控制单元，连接到第一和第二计算块，一方面适应于第一操作条件部分地或完全地将第一输出数据分配给第一计算块作为第一输入数据，另一方面将第一输出数据全部或部分地分配给第二计算块作为第二输入数据的一部分。

4. 发明申请

US20100061547A1 METHOD OF AND APPARATUS FOR THE REDUCTION OF A POLYNOMIAL IN A BINARY FINITE FIELD, IN PARTICULAR IN THE CONTEXT OF A CRYPTOGRAPHIC APPLICATION 审中-公开
标题翻译：用于在二进制有限域中减少多边形的方法和装置，特别是在CRYPTOGRAPHIC应用的背景下
公开(公告)号：US20100061547A1
公开(公告)日：2010-03-11
申请号：US12225357
申请日：2007-03-21
申请人： Peter Langendörfer , Steffen Peter
发明人： Peter Langendörfer , Steffen Peter
IPC分类号： H04L9/28 , G06F7/483 , G06F7/72
CPC分类号： G06F7/724
摘要： A method of reducing a first data word corresponding to a polynomial C(x) and having a length of a maximum of 2n−1 to a second data word of a length of a maximum m which in a binary finite field GF(2m) whose elements are of a maximum length m corresponds to a polynomial C″0(x) equivalent to C(x), wherein m is smaller than or equal to n, includes partitioning of the first data word into a binary first sub-data word C0 and a binary second sub-data word C1, repeated right-shift of C1 to form summand terms until a respective summand term is associated with each non-disappearing term of a reduction trinomial or pentanomial which is not the term xm, adding the summand terms formed to the first sub-data word to form a sum data word and applying the partitioning step to the summand data word formed until the ascertained sum data word is of a length of a maximum m and forms the desired second data word.
摘要翻译：一种减少与多项式C（x）对应的第一数据字，并且具有最大值为2n-1的长度的第二数据字的长度为最大值m的二进制有限域GF（2m）中的第二数据字，元素最大长度m对应于等价于C（x）的多项式C“0（x），其中m小于或等于n，包括将第一数据字划分为二进制第一子数据字C0 和二进制第二子数据字C1，C1的重复右移以形成求和项，直到相应的求和项与不是术语xm的还原三项式或者五项式的每个不消失项相关联，并将加和项形成为第一子数据字以形成和数据字，并将划分步骤应用于形成的求和数据字，直到所确定的和数据字的长度为最大m并形成期望的第二数据字。

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