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Re:Hackers Are Hijacking Phone Numbers and Breaking into Ema... by discreditable on Monday June 12, 2017 @03:08PM (#14540079)
Last I checked, adb backup doesn't backup the secrets. Has that changed?
Re:Hackers Are Hijacking Phone Numbers and Breaking into Ema... by tokenizerrr on Monday June 12, 2017 @04:04PM (#14540605)
I don't know but I've been using this technique for a year or two now with great success. The Google authenticator just stores its secrets in the salute db every app gets.
Re:Hackers Are Hijacking Phone Numbers and Breaking into Ema... by tokenizerrr on Monday June 12, 2017 @07:36PM (#14541987)
Autocorrect kicked in there... sqlite* (it is absurdly difficult to put an asterisk at the end of a message on HN. it seems to require a trailing whitespace[1] for it to show up, however the input is trimmed, so...)

[1] https://news.ycombinator.com/formatdoc

Re:Hackers Are Hijacking Phone Numbers and Breaking into Ema... by discreditable on Tuesday June 13, 2017 @11:27AM (#14545482)
Have you tried a restore on a factory-reset device?
Re:Hackers Are Hijacking Phone Numbers and Breaking into Ema... by tokenizerrr on Tuesday June 13, 2017 @11:50AM (#14545699)
I have not, but I have extracted the backup with https://sourceforge.net/projects/adbextractor/ and inspected the contents, visually confirming the secrets are there. Even if a restore doesn't work, I can re-enter them manually from the information in the sqlite database. However I fully expect a restore to work.