NDSS
1998
IEEE
13 years 11 months ago
1998
IEEE
Protocol failures are presented for two timestamping schemes. These failures emphasize the importance and di culty of implementing a secure protocol even though there exist secure...
CRYPTO
2004
Springer
14 years 26 days ago
2004
Springer
A timestamping scheme is non-interactive if a stamper can stamp a document without communicating with any other player. The only communication done is at validation time. Non-Inte...