Establishing a secure channel with a human user
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United States of America Patent
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Dec 12, 2006
Issued Date -
N/A
app pub date -
Apr 25, 2003
filing date -
Apr 25, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A method of establishing a secure channel between a human user and a computer application is described. A secret unique identifier ('PIN') is shared between a user and an application. When the user makes a request that involves utilizing the PIN for authentication purposes, the application renders a randomly selected identifier. The randomly selected identifier is in a format that is recognizable to a human but is not readily recognizable by an automated agent. The randomly selected identifier is then presented to the human user. The user identifies the relationship between the randomly selected identifier and the PIN. If the user's input reflects the fact that the user knows the PIN, then the user is authenticated.
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