| 摘要 |
<p>The present invention relates to a place value-based authentication device and a method thereof. The authentication device includes a process that determines agreement between a symbol corresponding to a registration place value among symbol strings and a selected symbol included in an outputted symbol string after outputting the symbol string including symbols corresponding to a place value and registering place value information for authentication. Security is remarkably improved through this. [Reference numerals] (S1) Register place value information;(S2) Output a symbol string;(S3) Select a symbol;(S4) Determine whether to match;(S5) Match ?;(S6) Lock cancellation ?;(S7) Output a non-matching message or a warning sound, or notify a remote place</p> |
