| 摘要 |
PURPOSE: A method for encrypting and storing distributively information is provided to protect the information from a hacker by dividing one datum into plural data, encrypting individually the divided data, and storing distributively the encrypted data. CONSTITUTION: A file read process is performed to perform a process for reading a plaintext message(121). The plaintext message is divided into plural plaintext messages by using a predetermined distribution function(123). The divided plaintext messages have different sizes, respectively. An individual encryption process is performed to encrypt the divided plaintext messages, respectively(124). The divided plaintext messages are dispersed to individual files and the dispersed individual files are stored(127). The predetermined distribution function corresponds to a statistical normal distribution function.
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