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/opt/synapse/bin/export_signing_key

Matrix reference homeserver

From synapse 1.164.2-r0 (enterprise-packages), captured 2026-11-08 by running export_signing_key --help (exit 0). permalink

usage: export_signing_key [-h] [-x] [--expiry-ts EXPIRY_TS] key_file [key_file ...]

positional arguments:
  key_file              The key file to read

options:
  -h, --help            show this help message and exit
  -x                    format the output for inclusion in the old_signing_keys config setting
  --expiry-ts EXPIRY_TS
                        The expiry time to use for -x, in milliseconds since 1970. The default is
                        (now+6h).
Options (3)
OptionDescriptionSource
-h, --helpshow this help message and exithelp
-xformat the output for inclusion in the old_signing_keys config settinghelp
--expiry-ts EXPIRY_TSThe expiry time to use for -x, in milliseconds since 1970.help

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.