Invalid signature

[phaoost]

Hello,

I have added key:

~# wget -O - http://debian.ctm.ru/logs/repository_key.asc | apt-key add -
--2017-12-15 15:01:20--  http://debian.ctm.ru/logs/repository_key.asc
Resolving debian.ctm.ru (debian.ctm.ru)... 91.220.57.8
Connecting to debian.ctm.ru (debian.ctm.ru)|91.220.57.8|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 1657 (1.6K) [application/octet-stream]
Saving to: ‘STDOUT’

-                                             100%[================================================================================================>]   1.62K  --.-KB/s    in 0s      

2017-12-15 15:01:20 (308 MB/s) - written to stdout [1657/1657]

OK

Then I've gotten error on apt-get update:

Err:4 http://debian.ctm.ru/vir stable InRelease                                                                                                                                       
  The following signatures were invalid: 4F43FB327ADB1B8D1BB605B9EED98229F072B85E

Please let me know how to fix