Returns the depth of the chain. This is used in combination with error.
See also the man page X509_STORE_CTX_get_error_depth(3).
Adds certificate_id to the request.
Copies the nonce from request into this response. Returns 1 on success and 0 on failure.
Returns a SingleResponse whose CertId matches with certificate_id, or nil if this BasicResponse does not contain it.
Recovers the signed data from signature using a public key pkey. Not all signature algorithms support this operation.
Added in version 3.0. See also the man page EVP_PKEY_verify_recover(3).
signature
A String containing the signature to be verified.
If the Request specified to request the TSA certificate (Request#cert_requested = true), then this field contains the certificate of the timestamp authority.