Access key for a field device
A method for providing an access key for a field device of automation technology, wherein the access key controls accessing of the field device, includes: producing an individual key; storing the individual key in a database together with an identification feature of the field device; storing the in...
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| creator | Siddesh, Sushil Fink, Nikolai |
| description | A method for providing an access key for a field device of automation technology, wherein the access key controls accessing of the field device, includes: producing an individual key; storing the individual key in a database together with an identification feature of the field device; storing the individual key in the field device which is to be unlocked based on an input access key; ascertaining at least the identification feature of the field device for which the access key is to be provided; and forming/producing/generating the access key, such that it includes at least one hash value, wherein the hash value is formed at least from the individual key read-out from the database with the assistance of the ascertained identification feature. |
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| language | eng |
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| subjects | CALCULATING COMPUTING CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION |
| title | Access key for a field device |
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