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    • 5. 发明授权
    • Authenticator, authenticatee and authentication method
    • 认证者,认证方和认证方式
    • US09191210B2
    • 2015-11-17
    • US14001609
    • 2011-09-26
    • Yuji NagaiTaku KatoHiroyuki Sakamoto
    • Yuji NagaiTaku KatoHiroyuki Sakamoto
    • G06F7/04G06F12/00G06F12/14G06F13/00G11C7/00H04L9/32
    • H04L9/32H04L9/3273H04L2209/30H04L2209/34H04L2209/60H04L2209/805
    • According to one embodiment, an authenticatee includes, a memory configured to store secret information XY, secret information XY which is created by multiply duplicating, at least twice, the secret information XY, and secret information XYE, a generation module configured to generate a random number A, a generation module configured to generate a random number D which is composed of at least a part of the generated random number A and a random number B which is received, a calculating module configured to generate data C by executing a compression calculated operation with respect to at least a part of the random number D and the secret information XY loaded from the memory, a generation module configured to generate data ν, and a bit-by-bit addition module configured to calculate an calculated result Z from the data ν and the data C.
    • 根据一个实施例,认证者包括:被配置为存储秘密信息XY的存储器,通过将秘密信息XY和秘密信息XYE至少两次复制复制创建的秘密信息XY,生成模块,被配置为生成随机 数字A,生成模块,被配置为生成由生成的随机数A的至少一部分和接收到的随机数B组成的随机数D;计算模块,被配置为通过执行压缩计算的操作来生成数据C 相对于随机数D的至少一部分和从存储器加载的秘密信息XY,生成模块被配置为生成数据&ngr;以及逐比特加法模块,被配置为从计算结果Z 数据&ngr 和数据C.