User authentication in a communications network
1. Field of the Invention An authentication system of a terminal on a public switched telephone network provides a security node associated with a local exchange and a network terminal. For one-way authentication, the terminal responds to a call initiation by sending a unique authentication code com...
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| creator | Bissell, Robert Andrew Bosworth, Kevin Paul Britnell, Michael John Harding, Peter Maxwell Hicks, Richard Middleton Kingan, Jonathan James Meyerstein, Michael Victor Nolde, Keith Eric Rabson, John Ranger, Jonathan Crispin Roberts, David Anthony Stirland, Mark Jonathan Swale, Richard Paul |
| description | 1. Field of the Invention
An authentication system of a terminal on a public switched telephone network provides a security node associated with a local exchange and a network terminal. For one-way authentication, the terminal responds to a call initiation by sending a unique authentication code comprising a number and a secret key encrypted according to a first algorithm, the secret key being specific to the terminal. The security node constructs the expected authentication code from the number, using the first algorithm and a second key which is a function of a terminal identification number, and compares the expected code with the received code. In two-way authentication, the security node responds to the call initiation by sending a transaction number to the terminal encrypted according to a second algorithm. The terminal generates the authentication code as a function of the first algorithm, the secret key and the transaction number. The authentication code is sent back to the security node. An expected code is compared with the received one in the same way. In both cases, a match between expected and received authentication codes constitutes authentication of the terminal allowing the user access to the network. |
| format | Patent |
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An authentication system of a terminal on a public switched telephone network provides a security node associated with a local exchange and a network terminal. For one-way authentication, the terminal responds to a call initiation by sending a unique authentication code comprising a number and a secret key encrypted according to a first algorithm, the secret key being specific to the terminal. The security node constructs the expected authentication code from the number, using the first algorithm and a second key which is a function of a terminal identification number, and compares the expected code with the received code. In two-way authentication, the security node responds to the call initiation by sending a transaction number to the terminal encrypted according to a second algorithm. The terminal generates the authentication code as a function of the first algorithm, the secret key and the transaction number. The authentication code is sent back to the security node. An expected code is compared with the received one in the same way. In both cases, a match between expected and received authentication codes constitutes authentication of the terminal allowing the user access to the network.</description><language>eng</language><creationdate>2003</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6574730$$EPDF$$P50$$Guspatents$$Hfree_for_read</linktopdf><link.rule.ids>230,308,776,798,881,64012</link.rule.ids><linktorsrc>$$Uhttps://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6574730$$EView_record_in_USPTO$$FView_record_in_$$GUSPTO$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Bissell, Robert Andrew</creatorcontrib><creatorcontrib>Bosworth, Kevin Paul</creatorcontrib><creatorcontrib>Britnell, Michael John</creatorcontrib><creatorcontrib>Harding, Peter Maxwell</creatorcontrib><creatorcontrib>Hicks, Richard Middleton</creatorcontrib><creatorcontrib>Kingan, Jonathan James</creatorcontrib><creatorcontrib>Meyerstein, Michael Victor</creatorcontrib><creatorcontrib>Nolde, Keith Eric</creatorcontrib><creatorcontrib>Rabson, John</creatorcontrib><creatorcontrib>Ranger, Jonathan Crispin</creatorcontrib><creatorcontrib>Roberts, David Anthony</creatorcontrib><creatorcontrib>Stirland, Mark Jonathan</creatorcontrib><creatorcontrib>Swale, Richard Paul</creatorcontrib><creatorcontrib>British Telecommunications plc</creatorcontrib><title>User authentication in a communications network</title><description>1. Field of the Invention
An authentication system of a terminal on a public switched telephone network provides a security node associated with a local exchange and a network terminal. For one-way authentication, the terminal responds to a call initiation by sending a unique authentication code comprising a number and a secret key encrypted according to a first algorithm, the secret key being specific to the terminal. The security node constructs the expected authentication code from the number, using the first algorithm and a second key which is a function of a terminal identification number, and compares the expected code with the received code. In two-way authentication, the security node responds to the call initiation by sending a transaction number to the terminal encrypted according to a second algorithm. The terminal generates the authentication code as a function of the first algorithm, the secret key and the transaction number. The authentication code is sent back to the security node. An expected code is compared with the received one in the same way. In both cases, a match between expected and received authentication codes constitutes authentication of the terminal allowing the user access to the network.</description><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2003</creationdate><recordtype>patent</recordtype><sourceid>EFH</sourceid><recordid>eNrjZNAPLU4tUkgsLclIzSvJTE4syczPU8jMU0hUSM7PzS3NgwoVK-SllpTnF2XzMLCmJeYUp_JCaW4GBTfXEGcP3dLigsQSoBnF8elFiSDKwMzU3MTc2MCYCCUAM9EsTg</recordid><startdate>20030603</startdate><enddate>20030603</enddate><creator>Bissell, Robert Andrew</creator><creator>Bosworth, Kevin Paul</creator><creator>Britnell, Michael John</creator><creator>Harding, Peter Maxwell</creator><creator>Hicks, Richard Middleton</creator><creator>Kingan, Jonathan James</creator><creator>Meyerstein, Michael Victor</creator><creator>Nolde, Keith Eric</creator><creator>Rabson, John</creator><creator>Ranger, Jonathan Crispin</creator><creator>Roberts, David Anthony</creator><creator>Stirland, Mark Jonathan</creator><creator>Swale, Richard Paul</creator><scope>EFH</scope></search><sort><creationdate>20030603</creationdate><title>User authentication in a communications network</title><author>Bissell, Robert Andrew ; Bosworth, Kevin Paul ; Britnell, Michael John ; Harding, Peter Maxwell ; Hicks, Richard Middleton ; Kingan, Jonathan James ; Meyerstein, Michael Victor ; Nolde, Keith Eric ; Rabson, John ; Ranger, Jonathan Crispin ; Roberts, David Anthony ; Stirland, Mark Jonathan ; Swale, Richard Paul</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-uspatents_grants_065747303</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2003</creationdate><toplevel>online_resources</toplevel><creatorcontrib>Bissell, Robert Andrew</creatorcontrib><creatorcontrib>Bosworth, Kevin Paul</creatorcontrib><creatorcontrib>Britnell, Michael John</creatorcontrib><creatorcontrib>Harding, Peter Maxwell</creatorcontrib><creatorcontrib>Hicks, Richard Middleton</creatorcontrib><creatorcontrib>Kingan, Jonathan James</creatorcontrib><creatorcontrib>Meyerstein, Michael Victor</creatorcontrib><creatorcontrib>Nolde, Keith Eric</creatorcontrib><creatorcontrib>Rabson, John</creatorcontrib><creatorcontrib>Ranger, Jonathan Crispin</creatorcontrib><creatorcontrib>Roberts, David Anthony</creatorcontrib><creatorcontrib>Stirland, Mark Jonathan</creatorcontrib><creatorcontrib>Swale, Richard Paul</creatorcontrib><creatorcontrib>British Telecommunications plc</creatorcontrib><collection>USPTO Issued Patents</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Bissell, Robert Andrew</au><au>Bosworth, Kevin Paul</au><au>Britnell, Michael John</au><au>Harding, Peter Maxwell</au><au>Hicks, Richard Middleton</au><au>Kingan, Jonathan James</au><au>Meyerstein, Michael Victor</au><au>Nolde, Keith Eric</au><au>Rabson, John</au><au>Ranger, Jonathan Crispin</au><au>Roberts, David Anthony</au><au>Stirland, Mark Jonathan</au><au>Swale, Richard Paul</au><aucorp>British Telecommunications plc</aucorp><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>User authentication in a communications network</title><date>2003-06-03</date><risdate>2003</risdate><abstract>1. Field of the Invention
An authentication system of a terminal on a public switched telephone network provides a security node associated with a local exchange and a network terminal. For one-way authentication, the terminal responds to a call initiation by sending a unique authentication code comprising a number and a secret key encrypted according to a first algorithm, the secret key being specific to the terminal. The security node constructs the expected authentication code from the number, using the first algorithm and a second key which is a function of a terminal identification number, and compares the expected code with the received code. In two-way authentication, the security node responds to the call initiation by sending a transaction number to the terminal encrypted according to a second algorithm. The terminal generates the authentication code as a function of the first algorithm, the secret key and the transaction number. The authentication code is sent back to the security node. An expected code is compared with the received one in the same way. In both cases, a match between expected and received authentication codes constitutes authentication of the terminal allowing the user access to the network.</abstract><oa>free_for_read</oa></addata></record> |
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| title | User authentication in a communications network |
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