TRUSTED TSA
How Electronic Time-Stamping Works
From message imprint and TimeStampReq to TSU issuance and verification.
1
Create message imprint
RFC 3161 / CMS / X.509
2
Create TimeStampReq
RFC 3161 / CMS / X.509
3
TSA checks policy
RFC 3161 / CMS / X.509
4
TSU applies time and signs
RFC 3161 / CMS / X.509
5
Return TimeStampResp
RFC 3161 / CMS / X.509