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- W1553601984 abstract "The current practice of digital signature creation is simple. However, signature verification is much harder. This especially holds for long-term signatures, signatures that should remain verifiable over years. After the signing certificate expired, it is hard to find out if the certificate was valid at the time the signature was created. Current revocation checking mechanisms, like CRLs and OCSP, may not provide the status of certificates which are no longer valid. This is one reason why many of the current signature verification systems cannot verify signatures after the signing certificate expired. There are several approaches for coping with these problems: attach all data that is required for validation to the signature right after signature creation, let the verification software collect and archive all validation data that it needs, or use advanced services for certificate status checking Currently, there are hardly any advanced services available. However, this paper shows that it is not hard to design such services." @default.
- W1553601984 created "2016-06-24" @default.
- W1553601984 creator A5022364520 @default.
- W1553601984 date "2002-01-01" @default.
- W1553601984 modified "2023-10-14" @default.
- W1553601984 title "Validation of Long-Term Signatures" @default.
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- W1553601984 doi "https://doi.org/10.1007/978-0-387-35612-9_21" @default.
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