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https://issues.apache.org/jira/browse/RANGER-3682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17679005#comment-17679005
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kirby zhou commented on RANGER-3682:
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rebased
> Unify the ways that rangerkeystore to encapsulate zonekey
> ---------------------------------------------------------
>
> Key: RANGER-3682
> URL: https://issues.apache.org/jira/browse/RANGER-3682
> Project: Ranger
> Issue Type: Improvement
> Components: kms
> Affects Versions: 3.0.0
> Reporter: kirby zhou
> Assignee: kirby zhou
> Priority: Major
>
> Unify the ways that rangerkeystore to encapsulate zonekey
> Now we have 2 styles of MasterKeyProvider:
> # RangerMasterKey, RangerHSM, RangerSafenetKeySecure
> # RangerAzureKeyVaultKeyGenerator, RangerGoogleCloudHSMProvider,
> RangerTencentKMSProvider
> Style 1 can get out master key string from provider, Style 2 can not.
> In old, I add a flag KeyVaultEnabled to distinguish them.
> KeyVaultEnabled=false means style1, true means style2
> RangerKeyStore with style1 use SecretKeyEntry with SealedObject to store a
> key and do encryption / decryption by itself.
> RangerKeyStore with style2 use SecretKeyByteEntry to store a key and let MK
> provider to encryption / decryption.
> These logics are hard-coded in the class RangerKeyStore. These are ugly and
> hard to maintain. I refactor it by removing SecretKeyEntry, and let providers
> of style1 do encryption / decryption.
> Add a common base class of RangerMasterKey, RangerHSM andd
> RangerSafenetKeySecure, named AbstractRangerMasterKey. It provides the common
> logic of encryptZoneKey and decryptZoneKey. AbstractRangerMasterKey encodes
> SealedObject into byte[].
> So the new code does not change the actual storage format, and there is no
> problem in compatibility.
> =====
>
> And, there is no unified method to initialize a master key provider.
> Duplicate code is distributed in RangerKeyStoreProvider and a bunch of CLI
> classes.
> I made a new RangerKMSMKIFactory class to unify it.
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