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    • 4. 发明授权
    • Apparatus and method for hash cryptography
    • 散列加密的装置和方法
    • US08275126B2
    • 2012-09-25
    • US12567006
    • 2009-09-25
    • Moo Seop KimYoung Soo ParkJi Man ParkYoung Sae KimHong Il JuSung Ik Jun
    • Moo Seop KimYoung Soo ParkJi Man ParkYoung Sae KimHong Il JuSung Ik Jun
    • H04L9/06H04L9/28H04K1/00G06F12/14
    • H04L9/3239H04L2209/12H04L2209/805
    • An apparatus for hash cryptography has a hardware structure that is capable of providing both secure hash algorithm (SHA)-1 hash calculation and SHA-256 hash calculation. The apparatus for hash cryptography generates a plurality of first message data corresponding to a plurality of first rounds when the SHA-1 hash calculation is performed and generates a plurality of second message data corresponding to a plurality of second rounds when the SHA-256 hash calculation is performed by using one memory, one first register, one XOR calculator, and one OR calculator, calculates a message digest by the SHA-1 hash calculation by using the plurality of first message data when the SHA-1 hash calculation is performed, and calculates a message digest by the SHA-256 by using the plurality of second message data when the SHA-256 hash calculation is performed.
    • 用于散列加密的装置具有能够提供安全散列算法(SHA)-1哈希计算和SHA-256哈希计算的硬件结构。 当执行SHA-1散列计算时,用于散列加密的装置产生对应于多个第一轮的多个第一消息数据,并且当SHA-256散列计算时产生与多个第二轮相对应的多个第二消息数据 通过使用一个存储器,一个第一寄存器,一个XOR计算器和一个OR计算器,当执行SHA-1哈希计算时,通过使用多个第一消息数据通过SHA-1哈希计算来计算消息摘要,以及 当执行SHA-256哈希计算时,通过使用多个第二消息数据,通过SHA-256计算消息摘要。
    • 5. 发明申请
    • LOW POWER HMAC ENCRYPTION APPARATUS
    • 低功率HMAC加密设备
    • US20100031052A1
    • 2010-02-04
    • US12103559
    • 2008-04-15
    • Moo Seop KimYoung Sae KimYoung Soo ParkJi Man ParkSung Ik JunJong Soo Jang
    • Moo Seop KimYoung Sae KimYoung Soo ParkJi Man ParkSung Ik JunJong Soo Jang
    • H04L9/32H04L9/28
    • H04L63/164G06F21/602H04L63/0485H04L63/123
    • There are provided a low power SHA-1 hash algorithm apparatus having a low power structure and optimized to a trusted platform module (TPM) applied to a mobile trusted computing environment and a low power keyed-hash message authentication code (HMAC) encryption apparatus using the low power SHA-1 hash algorithm apparatus, the HMAC encryption apparatus including: a key padder padding key data for HMAC algorithm; an XOR operator XOR operating the padded key data and a padding constant; a data connector connecting a text to be encrypted, to data obtained by the XOR operating; a data padder padding the connected data; an SHA-1 hash algorithm part performing an SHA-1 hash algorithm on the padded data; a data selector selecting and applying one of a result of the SHA-1 hash algorithm and the text to be encrypted, to the data connector; and a controller controlling operations of the key padder, data connector, and data padder, a sequence of performing a hash algorithm of the SHA-1 hash algorithm part, and storing an operation result to read data required for performing an encryption operation and store data with memory.
    • 提供了一种具有低功率结构并针对应用于移动可信计算环境的可信平台模块(TPM)进行了优化的低功率SHA-1散列算法装置,以及使用低功率密钥散列消息认证码(HMAC)加密装置 所述低功率SHA-1哈希算法装置,所述HMAC加密装置包括:用于HMAC算法的密钥填充密钥数据; XOR运算符XOR操作填充的密钥数据和填充常数; 将要加密的文本连接到通过XOR操作获得的数据的数据连接器; 数据填充器填充所连接的数据; 在填充数据上执行SHA-1散列算法的SHA-1散列算法部分; 数据选择器,选择并应用SHA-1哈希算法的结果和待加密的文本之一到数据连接器; 以及控制所述关键焊盘,数据连接器和数据焊盘的操作的控制器,执行所述SHA-1散列算法部分的散列算法的序列,并且存储操作结果以读取执行加密操作所需的数据并存储数据 与记忆
    • 6. 发明授权
    • Low power HMAC encryption apparatus
    • 低功率HMAC加密装置
    • US08086864B2
    • 2011-12-27
    • US12103559
    • 2008-04-15
    • Moo Seop KimYoung Sae KimYoung Soo ParkJi Man ParkSung Ik JunJong Soo Jang
    • Moo Seop KimYoung Sae KimYoung Soo ParkJi Man ParkSung Ik JunJong Soo Jang
    • H04L9/32H04K1/00H04L9/00H04L9/28
    • H04L63/164G06F21/602H04L63/0485H04L63/123
    • There are provided a low power SHA-1 hash algorithm apparatus having a low power structure and optimized to a trusted platform module (TPM) applied to a mobile trusted computing environment and a low power keyed-hash message authentication code (HMAC) encryption apparatus using the low power SHA-1 hash algorithm apparatus, the HMAC encryption apparatus including: a key padder padding key data for HMAC algorithm; an XOR operator XOR operating the padded key data and a padding constant; a data connector connecting a text to be encrypted, to data obtained by the XOR operating; a data padder padding the connected data; an SHA-1 hash algorithm part performing an SHA-1 hash algorithm on the padded data; a data selector selecting and applying one of a result of the SHA-1 hash algorithm and the text to be encrypted, to the data connector; and a controller controlling operations of the key padder, data connector, and data padder, a sequence of performing a hash algorithm of the SHA-1 hash algorithm part, and storing an operation result to read data required for performing an encryption operation and store data with memory.
    • 提供了一种具有低功率结构并针对应用于移动可信计算环境的可信平台模块(TPM)进行了优化的低功率SHA-1散列算法装置,以及使用低功率密钥散列消息认证码(HMAC)加密装置 所述低功率SHA-1哈希算法装置,所述HMAC加密装置包括:用于HMAC算法的密钥填充密钥数据; XOR运算符XOR操作填充的密钥数据和填充常数; 将要加密的文本连接到通过XOR操作获得的数据的数据连接器; 数据填充器填充所连接的数据; 在填充数据上执行SHA-1散列算法的SHA-1散列算法部分; 数据选择器,选择并应用SHA-1哈希算法的结果和待加密的文本之一到数据连接器; 以及控制所述关键焊盘,数据连接器和数据焊盘的操作的控制器,执行所述SHA-1散列算法部分的散列算法的序列,并且存储操作结果以读取执行加密操作所需的数据并存储数据 与记忆
    • 10. 发明授权
    • Apparatus and method for driving self-emitting display device
    • 用于驱动自发光显示装置的装置和方法
    • US06265833B1
    • 2001-07-24
    • US09436730
    • 1999-11-09
    • Sung Tae KimMoo Seop KimHak Su KimEun Young Lee
    • Sung Tae KimMoo Seop KimHak Su KimEun Young Lee
    • G09G310
    • G09G3/22G09G2320/0626G09G2330/021G09G2360/144
    • An apparatus and method for driving a self-emitting display device is provided, in which a driving voltage and a driving current are linearly controlled in accordance with variation of the outside environment to automatically control emitting luminance of the display device. The apparatus for driving a self-emitting display device provided with an optical signal converter and a display device includes: a controller for outputting a control signal for converting a predetermined driving current and driving voltage in accordance with a signal converted by the optical signal converter and a signal indicating whether or not the display device is in use; and a driver for simultaneously converting the driving current and driving voltage applied to the display device to a linear driving current and driving voltage in accordance with the control signal output from the controller, so that emitting luminance of the display device is automatically controlled and at the same time power consumption is optimally set. The method for driving a self-emitting display device includes the steps of sensing the intensity of light in the outside environment, converting the sensed intensity of light to an electrical signal, detecting a driving mode corresponding to the electrical signal, and controlling driving power of the self-emitting display device in accordance with the driving mode, so that power consumption is small and eyestrain of a user is removed.
    • 提供了一种用于驱动自发光显示装置的装置和方法,其中驱动电压和驱动电流根据外部环境的变化被线性控制,以自动控制显示装置的发光亮度。 用于驱动设置有光信号转换器和显示装置的自发光显示装置的装置包括:控制器,用于根据由光信号转换器转换的信号输出用于转换预定驱动电流和驱动电压的控制信号;以及 指示显示装置是否正在使用的信号; 以及驱动器,用于根据从控制器输出的控制信号同时将施加到显示装置的驱动电流和驱动电压转换为线性驱动电流和驱动电压,从而自动控制显示装置的发光亮度,并且在 同时功耗最佳设定。 用于驱动自发光显示装置的方法包括以下步骤:感测外部环境中的光强度,将感测到的光强度转换为电信号,检测与电信号对应的驱动模式,以及控制驱动功率 根据驱动模式的自发光显示装置,使得功率消耗小,并且消除用户的眼睛疲劳。