Method of confirming a secure key exchange
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United States of America Patent
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Nov 28, 2006
Issued Date -
N/A
app pub date -
Jun 18, 2002
filing date -
Jun 18, 2002
priority date (Note) -
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Abstract
A key exchange protocol can be performed between components of a system, such as between a computer program being executed by the processor of a PC (or other computer system) and a peripheral. A peripheral with a user input capability and a very limited display capability, such as a keyboard or a mouse, may be used to confirm a key exchange between the system components in a way that requires the user to enter only small amounts of input data (e.g., keystrokes or mouse clicks). Security between components may be enhanced without having a negative impact on usability of the system. Embodiments of the present invention help to deter 'man in the middle' attacks wherein an attacker gains control of a system component situated between certain communicating system components.
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