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公开(公告)号：US08855309B2
公开(公告)日：2014-10-07
申请号：US13681202
申请日：2012-11-19
Inventor： Yun-Koo Lee , Jae-Heon Kim , Sang-Woon Yang , Jun-Young Son , Bong-Soo Lee
CPC classification number: H04L9/0869 , G06F21/602 , G06F21/72 , G06F21/75 , G06F21/755 , H04L9/0662 , H04L2209/046
Abstract: An apparatus and method for providing a security service are provided. The apparatus for providing a security service includes a first block cipher and a second block cipher. The second block cipher is independent of the first block cipher, and is configured to be used as a random number generator when the first block cipher is used to perform encryption/decryption, and to be used to perform encryption/decryption when the first block cipher is used as a random number generator.
Abstract translation: 提供了一种用于提供安全服务的装置和方法。 用于提供安全服务的装置包括第一分组密码和第二分组密码。 第二块密码与第一块密码无关，并且被配置为当第一块密码用于执行加密/解密时用作随机数生成器，并且当第一块密码被用于执行加密/解密时 被用作随机数发生器。
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公开(公告)号：US10310817B2
公开(公告)日：2019-06-04
申请号：US15807888
申请日：2017-11-09
Inventor： Yun-Koo Lee , Dong-Geon Lee , Min-Kyu Joo , Yoen-Cheol Lee , Sang-Woon Yang
Abstract: An apparatus and method for modular multiplication. The modular multiplication apparatus includes a first operation unit for performing a first operation based on a structure of at least one of a serial multiplier and a serial squarer-based multiplier; a second operation unit for performing a second operation based on a structure of at least one of the serial multiplier and the serial squarer-based multiplier; an adder unit for outputting the sum of results of the first operation and the second operation, inputting an intermediate value stream to the first input unit, which calculates the product of the intermediate value stream and a zeta parameter, and outputting a High-Order Term as a result of Montgomery Modular Multiplication, wherein the first and second operation units output a result in digit-serial format in order from the least significant digit to the most significant digit.
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