McClure, Qualey & Rodack, LLP
Password-based key derivation without changing key
A data securing method, a data securing system and a data carrier are provided. The data securing method comprises an encryption procedure for encrypting a data or performing an authentication procedure. The encryption procedure includes the following steps. A first personal identification number is obtained. A first random number is generated. A first key is obtained according to the first personal identification number and the first random number. A first secure checksum is obtained according to the first key. The first random number and part of the first secure checksum are stored. The data is encrypted. The authentication procedure is performed according to the first key.
MXTRAN INC.
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inventional inventional inventional
Wan-Sheng Fen-Ying Shu-Ching Huan-Chin
Ni Syu Huang Luo