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Results tagged with signature
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user 63070
Algorithms and protocols for creating signatures to documents, and verifying such signatures. These are normally asymmetric, for symmetric signatures see [mac].
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Problem with e-cash system with multiple banks
Say that many banks issue electronic cash of a particular type.
If there is a malicious bank and user collusion, the malicious bank signs electronic cash for a particular user. This user then takes t …
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