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Results tagged with key-reuse
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user 49192
Using the same key for more than one purpose, e.g. to encrypt two messages or to encrypt and authenticate a message. Some cryptosystems may be vulnerable to attacks if keys are inappropriately reused.
2
votes
How to design a cryptographically secure file hosting service
Here is a possible solution using a symmetric scheme, which supports more than one device for each user.
To begin, consider a user who wants to use the service for the first time with the first device …
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