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    • 3. 发明公开
    • 집합 검증 장치 및 그 방법
    • 用于批处理验证的装置和使用其的方法
    • KR1020080084500A
    • 2008-09-19
    • KR1020070026335
    • 2007-03-16
    • 삼성전자주식회사재단법인서울대학교산학협력재단
    • 이정현김은아천정희
    • H04L9/30H04L9/32H04L9/08
    • H04L9/14H04L9/3066H04L9/3247H04L2209/043H04L2209/30H04L2209/80
    • A batch verification apparatus and a method thereof are provided to perform a batch verification efficiently by performing the batch verification of a coordinate adding value through an addition of the distributed coordinate multiplication result value. A batch verification method includes the steps of: generating a plurality of private keys, a plurality of public keys corresponding to the private keys, and a plurality of verification values corresponding to the public keys(S420); receiving the verification values of the distributed public keys, and calculating a first batch verification value base don the verification values of the received public keys(S440); calculating a second batch verification value based on the private keys and the verification values(S450); and comparing the first batch verification value with the second batch verification value(S460); and determining the verification values of the received public keys if the first batch verification value is same with the second batch verification value(S470).
    • 提供了一种批量验证装置及其方法,通过添加分布式坐标乘法结果值,对坐标值进行批量验证,从而有效地进行批量验证。 批量验证方法包括以下步骤:产生多个私钥,与私钥相对应的多个公钥,以及与公钥对应的多个验证值(S420)。 接收所分发的公开密钥的验证值,以及计算第一批验证值的基数,以得到所接收的公开密钥的验证值(S440)。 基于私钥和验证值计算第二批验证值(S450); 以及将所述第一批次验证值与所述第二批次验证值进行比较(S460)。 以及如果所述第一批验证值与所述第二批验证值相同,则确定所接收的公钥的验证值(S470)。
    • 4. 发明公开
    • 키 연산 방법 및 이를 이용한 공유 키 생성 방법
    • 主要计算方法和使用该方法的关键协议方法
    • KR1020080084499A
    • 2008-09-19
    • KR1020070026334
    • 2007-03-16
    • 삼성전자주식회사재단법인서울대학교산학협력재단
    • 이정현천정희권태경이문규김은아
    • H04L9/30H04L9/14
    • H04L9/0841H04L9/3066
    • A key calculation method and a method for generating a shared key using the same are provided to improve a processing speed of a calculation by performing a coordinate calculation or an exponential calculation using two keys after generating a shared key with two private keys and two received public keys. A key calculation method includes the steps of: generating two keys for performing a key calculation(S510); calculating a first value based on coefficients having the same coefficient value of the coefficient values included in two keys(S520); and performing a coordinate calculation or an exponential calculation base don the calculated first value(S530). The first value calculation step is performed for coefficient values except zero included in two keys. Each of two keys is an integer of which absolute value is below qw/2 and has at least one coefficient except zero of consecutive w coefficients. The q is a prime number or an exponent of the prime number. The w is a natural number over two. The key calculation method performs a coordinate calculation based on the calculated first value.
    • 提供了一种使用其的密钥计算方法和用于产生共享密钥的方法,以通过在使用两个密钥生成共享密钥和两个接收到的公共密钥之后通过执行坐标计算或使用两个密钥进行指数计算来提高计算的处理速度 键。 密钥计算方法包括以下步骤:生成用于执行密钥计算的两个密钥(S510); 基于包括在两个键中的系数值的系数值相同的系数来计算第一值(S520); 以及执行所计算的第一值的坐标计算或指数计算基准(S530)。 对包含在两个键中的除零之外的系数值执行第一值计算步骤。 两个键中的每一个是其绝对值低于qw / 2的整数,并且具有除了连续w系数的零以外的至少一个系数。 q是质数的素数或素数的指数。 w是两个以上的自然数。 密钥计算方法基于计算的第一值执行坐标计算。