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  1. JDK
  2. JDK-8259498

Reduce overhead of MD5 and SHA digests

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    • Enhancement
    • Resolution: Fixed
    • P4
    • 17
    • None
    • security-libs

    Description

      The implementation of MD5, SHA-1, SHA-224, SHA-256, SHA-384, SHA-512 and derivatives share some commonalities such as allocating a temporary buffer and having intrinsics which bypass the use of that buffer. By restructuring the code so that these buffers are allocated lazily we can get a significant speed-up in the presence of the intrinsic, while staying performance neutral in the absence of an intrinsic.

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              redestad Claes Redestad
              redestad Claes Redestad
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                Updated:
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