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    • 9. 发明授权
    • ARIA encryption/decryption apparatus and method, and method of generating initialization key for the same
    • ARIA加密/解密装置和方法,以及为其生成初始化密钥的方法
    • US07933403B2
    • 2011-04-26
    • US11634480
    • 2006-12-06
    • Sang Woo LeeYong Sung JeonKi Young KimJong Soo Jang
    • Sang Woo LeeYong Sung JeonKi Young KimJong Soo Jang
    • H04L9/06
    • H04L9/0631H04L2209/122
    • Disclosed is an Academy, Research Institute, and Agency (ARIA) encryption/decryption apparatus for encrypting and decrypting input data by repeating a plurality of rounds. The ARIA encryption/decryption apparatus includes a first register storing input data or an intermediate calculation value according to a first control signal; a second register storing a input round key for every round; an exclusive OR operation unit performing an exclusive OR operation on values stored in the first and second registers; a substitution unit substituting a result of the exclusive OR operation on a basis of an ARIA substitution algorithm; a diffusion unit diffusing a result of the substitution in the substitution unit on a basis of an ARIA diffusion algorithm if a current round is not a final round; and a control unit outputting the first control signal so that an output of the diffusion unit is used as the intermediate calculation value if the current round is the final round or an output of the substitution unit is used as the intermediate calculation value if the current round is the final round, and outputting an output of the exclusive OR operation unit as a result of the ARIA encryption/decryption.
    • 公开了一种用于通过重复多次轮加密和解密输入数据的Academy,Research Institute和Agency(ARIA)加密/解密装置。 ARIA加密/解密装置包括根据第一控制信号存储输入数据或中间计算值的第一寄存器; 存储每轮的输入循环密钥的第二寄存器; 异或运算单元对存储在第一和第二寄存器中的值执行异或运算; 替代单元基于ARIA替换算法代替异或运算的结果; 如果当前轮次不是最后一轮,则扩散单元基于ARIA扩散算法在取代单元中扩散取代的结果; 以及控制单元,如果当前轮次是最后一轮,则使用扩散单元的输出作为中间计算值,或者如果当前轮次使用替代单位的输出作为中间计算值,则输出第一控制信号 是最后一轮,并且作为ARIA加密/解密的结果输出异或运算单元的输出。
    • 10. 发明申请
    • System For Inputting Word-Image Into Information Device And Method For Inputting Word-Image
    • 用于将字图像输入到信息设备的系统和用于输入字图像的方法
    • US20100045801A1
    • 2010-02-25
    • US12524738
    • 2007-11-29
    • Sang Woo LeeChoung Suk OhMin Uk Kang
    • Sang Woo LeeChoung Suk OhMin Uk Kang
    • H04N5/225G06F3/00
    • G06K9/228
    • Disclosed are a word-image input system and a word-image input method, and more particularly, to a system for inputting an word-image into an information device and a method thereof that can enable the information device to read the word-image formed by placing a printed matter printed with words having a complicated language system at a proper location and pho-tographing the printed matter at optimized illuminance and distance. According to the present invention, it is possible to prevent the recognition rate for the word-image from being lowered due to shaking, spreading phenomenon and unstable illuminance when the word-image is recognized by the information device provided with the word recognition application. In addition, it is possible to easily input words such as Chinese having a complicated language system into the information device
    • 公开了一种字图像输入系统和字图像输入方法,更具体地说,涉及一种将字图像输入到信息装置中的系统及其方法,可使信息装置能够读取形成的文字图像 通过将具有复杂语言系统的单词印刷的印刷品放置在适当的位置,并以优化的照度和距离对印刷品进行拍照。 根据本发明,当由提供有字识别应用的信息装置识别字图像时,可以防止由于摇动,扩展现象和不稳定的照度而使字字的识别率降低。 此外,可以容易地将诸如具有复杂语言系统的中文的单词输入到信息设备中