… Also, it is not clear how verifiers will infer whether old trust anchors were indeed trustworthy.
Yet, such inference can be even worse when there are cross-certifications, which yield a non…

… mode, and is responsible for the issuance of Long Term Certificates (LTC), the validation of
… the signature to an existing certificate. It consists of: (1) the content to be signed in clear, (2) …

… This happens with any key exchange mechanism in which the long-term secret used to … ,
verifies the signature and builds a PKI certificate chain from the server certificate up to the first …

… of PKI in real-world business applications such as e-mail. Occasionally, the long-term viability
of PKI … with various forms of electronic signatures, including digital signatures. Some of the …

… In fact, it is not clear even what minimal guarantees for a PKI … We model the analogous property
of a good PKI wrt signing/… ] representing a PKI protocol that establishes long term keys for …

… of longterm digital signatures in a way that, since there is no definite evaluation between the
standards that exist today, there is no clear … Long-time digital signatures require a PKI of this …

… Long-time digital signatures require a PKI of this sort with an additional entity, responsible
… that there is no definite clear best AdES standard for digital signatures. On the other hand, it …

… We discuss short and long term defences, but argue that they … the attacks but it is not clear
when DNSSEC is going to be … should fill out a form called Certificate Signing Request (CSR…

… Group signature schemes allow a member of a group to anonymously sign messages on …
a signature and revoke the anonymity requirement. We concentrate on the group signature …

… signature verification keys for a user, say Alice, based on her long-term public key, while
only Alice can derive the signing … be derived from the master public key as PKi = P + H(Pi)G, …