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4 Commits

Author SHA1 Message Date
Eric Chiang
8debdc1501 kubeadm: more random tokens 
The strategy of hex encoding a random byte array only uses the
following characters:

	0123456789abcdef

Instead of the entire bootstrapping token character set:

	0123456789abcdefghijklmnopqrstuvwxyz

Update the token generation to use the entire character set. This
increases the token secret from 48 bits of entropy to ~82 bits.

256^8 (1.8e+19) vs. 36^16 (7.9e+24).
 2018-01-09 09:20:25 -08:00
Lucas Käldström
61a284d720 Hook up kubeadm against the BootstrapSigner/BootstrapTokenAuthenticator 2017-03-04 11:17:52 +02:00
Derek McQuay
96fb797abc kubeadm: update token separator to '.' 2017-02-22 19:40:08 -08:00
Lucas Käldström
0f1124aff3 kubeadm: Aggregate the token functionality in sane packages. 
- Factor out token constants to kubeadmconstants.
 - Move cmd/kubeadm/app/util/{,token/}tokens.go
 - Use the token-id, token-secret, etc constants provided by the bootstrapapi package
 - Move cmd/kubeadm/app/master/tokens.go to cmd/kubeadm/app/phases/token/csv.go

This refactor basically makes it possible to hook up kubeadm to the BootstrapSigner controller later on
 2017-02-16 22:22:30 +02:00