发明申请
US20180018147A1 RANDOM NUMBER EXPANDING DEVICE, RANDOM NUMBER EXPANDING METHOD, AND NON-TRANSITORY COMPUTER READABLE RECORDING MEDIUM STORING RANDOM NUMBER EXPANDING PROGRAM
审中-公开
基本信息:
- 专利标题： RANDOM NUMBER EXPANDING DEVICE, RANDOM NUMBER EXPANDING METHOD, AND NON-TRANSITORY COMPUTER READABLE RECORDING MEDIUM STORING RANDOM NUMBER EXPANDING PROGRAM
- 申请号：US15539602 申请日：2015-01-15
- 公开(公告)号：US20180018147A1 公开(公告)日：2018-01-18
- 发明人： Takeshi SUGAWARA
- 申请人： MITSUBISHI ELECTRIC CORPORATION
- 申请人地址： JP Tokyo
- 专利权人： MITSUBISHI ELECTRIC CORPORATION
- 当前专利权人： MITSUBISHI ELECTRIC CORPORATION
- 当前专利权人地址： JP Tokyo
- 国际申请： PCT/JP2015/050979 WO 20150115
- 主分类号： G06F7/58
- IPC分类号： G06F7/58 ; G06F17/16 ; H04L9/08 ; H04L9/14
摘要：
A random number expanding device (100) includes an expanding unit (120) that expands a random number r(M) to an N bits random number s(N) using a logical operation that is obtained by multiplication of one matrix of a check matrix with a size of M×N and a generator matrix with a size of M×N which are determined from an (N, N−M, D) linear code for error correction by a vector in a case in which the random number r(M) is the vector with M components, the multiplication being performed through addition based on an exclusive OR. Since the random number expanding device (100) includes the expanding unit (120), it is possible to reduce the bit numbers of random numbers to be used, and counter an irradiation attack with multiple laser beams.
IPC结构图谱:
| G | 物理 |
| --G06 | 计算；推算；计数 |
| ----G06F | 电数字数据处理 |
| ------G06F7/00 | 通过待处理的数据的指令或内容进行运算的数据处理的方法或装置 |
| --------G06F7/58 | .随机数或伪随机数发生器 |