Password input method
First Claim
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1. A password input device comprising:
- a presenting unit presenting a plurality of characters;
an input unit receiving an input of the characters;
a storage unit stored with a process serving as a password; and
an authentication unit authenticating by checking whether or not a result of executing the process as the password with respect to the characters corresponds to the inputted processing result.
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Abstract
To provide a technology for preventing, by a simple input operation, a password from being leaked out even if an input operation thereof is peeped by a third party. A plurality of characters different for each input are presented, an input of a processing result about the characters is received, and authentication is made by checking whether or not a result of executing the process as the password stored beforehand on a storage unit about the characters corresponds to the inputted processing result.
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Citations
13 Claims
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1. A password input device comprising:
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a presenting unit presenting a plurality of characters;
an input unit receiving an input of the characters;
a storage unit stored with a process serving as a password; and
an authentication unit authenticating by checking whether or not a result of executing the process as the password with respect to the characters corresponds to the inputted processing result. - View Dependent Claims (2, 3, 4)
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5. A password input method for making a computer execute:
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a step of presenting a plurality of characters;
a step of receiving an input of the characters; and
a step of authenticating by checking whether or not a result of executing the process as the password stored on a storage unit respect to the characters corresponds to the inputted processing result. - View Dependent Claims (6, 7, 8)
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9. A recording medium recorded with a password input program for making a computer execute:
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a step of presenting a plurality of characters;
a step of receiving an input of the characters; and
a step of authenticating by checking whether or not a result of executing the process as the password stored on a storage unit respect to the characters corresponds to the inputted processing result. - View Dependent Claims (10, 11, 12)
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13. A cash automatic transaction device comprising:
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a presenting unit presenting a plurality of characters;
an input unit receiving an input of a processing result about the characters;
a storage unit stored previously with a process serving as a password;
an authentication unit authenticating by checking whether or not a result of executing the process as the password with respect to the characters corresponds to the inputted processing result; and
a function unit paying cash or accepting the cash when authenticated by said authentication unit.
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Specification