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https://issues.apache.org/jira/browse/SOLR-16613?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17656709#comment-17656709
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ASF subversion and git services commented on SOLR-16613:
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Commit 248dc3c354269e49fce556906b7505164ab9f065 in solr's branch
refs/heads/main from Kevin Risden
[ https://gitbox.apache.org/repos/asf?p=solr.git;h=248dc3c3542 ]
SOLR-16613: CryptoKeys should handle RSA padding for OpenJ9 (#1279)
> CryptoKeys should handle RSA padding for OpenJ9
> -----------------------------------------------
>
> Key: SOLR-16613
> URL: https://issues.apache.org/jira/browse/SOLR-16613
> Project: Solr
> Issue Type: Task
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Kevin Risden
> Assignee: Kevin Risden
> Priority: Major
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> I'm looking into the TestRSAKeyPair and TestPKIAuthenticationPlugin test
> failures on openj9 that are related to
> https://lists.apache.org/thread/b3053cvc2jqw768jrrw8npxkow4k70r6
> OpenJ9 Java does not pad the bytes input when encrypting RSA to the length of
> the key. This causes bad padding exceptions. One example being:
> {code:java}
> FAILED: org.apache.solr.cloud.TestRSAKeyPair.testGenKeyPair
> Error Message:
> org.apache.solr.common.SolrException: javax.crypto.BadPaddingException: RSA
> private key operation failed
> Stack Trace:
> org.apache.solr.common.SolrException: javax.crypto.BadPaddingException: RSA
> private key operation failed
> at
> __randomizedtesting.SeedInfo.seed([2D2BFB9A63F6912:3C3644A048604FF0]:0)
> at
> app//org.apache.solr.util.CryptoKeys$RSAKeyPair.encrypt(CryptoKeys.java:308)
> at
> app//org.apache.solr.cloud.TestRSAKeyPair.testRoundTrip(TestRSAKeyPair.java:47)
> at
> app//org.apache.solr.cloud.TestRSAKeyPair.testGenKeyPair(TestRSAKeyPair.java:32)
> {code}
> The code previously took the given input byte array and just tried to encrypt
> it. For OpenJDK, this works since the input byte array is expanded out to the
> size of the key in bytes. So 512 bits would be a 64 byte array or 2048 bits
> would be a 256 byte array. In OpenJ9, the input byte array must be the same
> size as the key size in bytes. I think this is a limitation of using
> NoPadding for the algorithm here. The fix is to ensure the byte array is
> always the size of the key size in bytes.
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