Dave Du Cros ea05477e48
operator generate-root -decode: allow token from stdin (#12881)
* operator generate-root -decode: allow token from stdin

Allow passing "-" as the value for -decode, causing the encoded token to
be read from stdin. This is intended to prevent leaking the encoded
token + otp into process logs in enterprise environments.

* add changelog entry for PR12881

* add check/test for empty decode value passed via stdin
2021-10-20 12:29:17 -04:00
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