openssl ts

OpenSSL command to generate and verify timestamps. More information: https://www.openssl.org/docs/manmaster/man1/openssl-ts.html.

openssl ts -query -data path/to/file -sha512 -out path/to/file.tsq

openssl ts -reply -in path/to/file.tsr -text

openssl ts -verify -in path/to/file.tsr -queryfile path/to/file.tsq -partial_chain -CAfile path/to/cert.pem

openssl ts -reply -queryfile path/to/file.tsq -inkey path/to/tsakey.pem -signer tsacert.pem -out path/to/file.tsr