JDK-8178478 : Better parallelize GCM
  • Type: Enhancement
  • Component: security-libs
  • Sub-Component: javax.crypto
  • Priority: P3
  • Status: Closed
  • Resolution: Duplicate
  • Submitted: 2017-04-11
  • Updated: 2025-05-12
  • Resolved: 2021-09-13
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Related Reports
Duplicate :  
JDK-8267125 - AES Galois CounterMode (GCM) interleaved implementation using AVX512 + VAES instructions
Relates :  
JDK-8177784 - Use CounterMode intrinsic for AES/GCM
Description
Explore parallelizing the tag calculation and merging GCTR with CounterMode completely.  This may involve changing the existing CounterMode.implCrypt() intrinsic, or adding a new intrinsic that combines CounterMode and the tag calculation.