问题
Would like to know if anybody knows any free(trial) time-stamp server service. I would like to test time stamping features in itext. Like I used Start Com class 1 as free CA for testing purposes. Hope I made it clear. Hoping someone knows a place Thanks
回答1:
You can try one of these publicly accessible RFC 3161 compliant time-stamping services:
- https://freetsa.org
Supports HTTP, HTTPS and TCP transports and has other features - http://time.certum.pl
- http://dse200.ncipher.com/TSS/HttpTspServer
- http://tsa.safecreative.org 5 free requests per day (may not be valid as root CA is 'test') - Safe Creative TSA is no longer active
- http://zeitstempel.dfn.de
- http://tsa.tecxoft.com
Requires registration - http://timestamp.comodoca.com/rfc3161
- http://sha256timestamp.ws.symantec.com/sha256/timestamp
- https://timestamp.geotrust.com/tsa
- http://timestamp.globalsign.com/scripts/timstamp.dll
- https://ca.signfiles.com/tsa/get.aspx
- http://services.globaltrustfinder.com/adss/tsa
- https://tsp.iaik.tugraz.at/tsp/TspRequest
You can also try one of these publicly accessible RFC 3161 compliant client applications:
- TimeStampClient
Feel free to edit the answer and extend the list.
来源：https://stackoverflow.com/questions/25052925/does-anyone-know-a-freetrial-timestamp-server-service