Balazs Meszaros created HBASE-30159:
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Summary: Make hash algorithm configurable for HashTable/SyncTable
Key: HBASE-30159
URL: https://issues.apache.org/jira/browse/HBASE-30159
Project: HBase
Issue Type: Sub-task
Reporter: Balazs Meszaros
The HashTable MapReduce job utilizes MD5 hashes to determine whether row data
needs to be synchronized between source and target tables. However, because
users can control all hash inputs (row, column family, column, value, and
timestamp), a malicious user could intentionally trigger a collision by
creating two distinct rows with identical hashes. This would result in less
rows in the target table which is hard to find.
We must make the hashing algorithm configurable to allow for more
collision-resistant hash algorithms.
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