| 摘要 |
An encrypting device using a bit extension scheme according to an embodiment of the present invention comprises: a bit selection unit for selecting an individual bit value from a binary bit string of an input message; and a bit extension encrypting unit for, with respect to each of the selected bit values, generating an extended bit string by extending the length of each of the bit values using a plurality of random numbers, and encrypting the message by combining each of the generated extended bit string. |
