ADSS TSA Server provides independent and irrefutable proof of time for transactions, documents and digital signatures.
It can be used to create legal weight evidence that business transactions occurred at a defined moment in time, that e-documents existed at a particular time and that they have not been subsequently altered. It can also independently prove
when a digital signature was applied by the signer so that its validity can be verified in the long-term, even after expiry or revocation of the signer’s digital credentials.
RFC 3161 and RFC 5816 are the definitive standard for secure cryptographic timestamping. ADSS TSA Server has been independently tested for compliance against this specification. It has been widely tested with a range of 3rd
party timestamp client applications.
ADSS Server is built using Java EE architecture to provide high performance and scalability. It supports virtualised environments, where CPU and memory can be increased for performance gains. Even on a single server ADSS OCSP
Server can provide several hundred OCSP transactions per second, furthermore, the use of a hardware load-balancer with multiple ADSS OCSP Server instances can satisfy any demanding performance requirements.
Support for the common cryptographic algorithms is provided including SHA1, SHA-2 (SHA-256, SHA-384, SHA-512), RSA keys up to 4096 bits and ECDSA up to 521 bits.
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