The timestamping tag has no wiki summary.
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Timestamping services authorities, utilizing Linked, hybrid and other than PKI schemes
What are well respected Cryptographic Timestamping authorities utilizing more sophisticated than just PKI (RFC 3161) schemes, like Linked, Linked and signed, distributed hash trees (maybe P2P?), ...
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Signature and Timestamp for Long Term Document Archival Question
I have a PDF document intended for long-term (many years, maybe decades) archival which I would like to digitally sign with my personal certificate to ensure its integrity.
As far as I understand, I ...
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How are timestamps verified?
You put an input and the hash value comes as an output then when someone puts the input the hash function it is applied to see if it is the same hash original value is stored in some database , that ...