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    • 1. 发明授权
    • Encrypting apparatus
    • 加密设备
    • US07333609B2
    • 2008-02-19
    • US10473879
    • 2001-04-03
    • Tomomi KasuyaTakeshi ChikazawaTakao WakabayashiShinsuke Uga
    • Tomomi KasuyaTakeshi ChikazawaTakao WakabayashiShinsuke Uga
    • H04L9/00
    • H04L9/0662H04L9/3242H04L2209/122H04L2209/125H04L2209/34H04L2209/80H04W12/02H04W12/10
    • A random number sequence is previously generated by the function f8 for data confidentiality processing, which generates a random number sequence, and stored in a random number sequence memory (buffer). When data (message) is input, the random number sequence stored in the random number sequence memory is obtained, and the data (message) is encrypted by an XOR circuit to generate ciphertext data. In case of decrypting data, a random number sequence is also previously generated by the function f8 for data confidentiality processing and stored in the random number sequence memory (buffer). When the ciphertext data is input, by the XOR circuit, the random number sequence stored in the random number sequence memory is read and the ciphertext data is decrypted into the data (message).
    • 先前由用于数据机密性处理的函数f 8生成随机数序列,其生成随机数序列,并存储在随机数序列存储器(缓冲器)中。 当输入数据(消息)时,获得存储在随机数序列存储器中的随机数序列,并通过异或电路对数据(消息)进行加密,生成密文数据。 在对数据进行解密的情况下,随机数序列也预先由用于数据机密处理的函数f 8生成并存储在随机数序列存储器(缓冲器)中。 当输入密文数据时,由异或电路读出存储在随机数序列存储器中的随机数序列,并将密文数据解密成数据(消息)。