JDK-8181594 : Efficient and constant-time modular arithmetic
  • Type: Enhancement
  • Component: security-libs
  • Sub-Component: javax.crypto
  • Affected Version: 7,8,11
  • Priority: P3
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2017-06-05
  • Updated: 2019-09-04
  • Resolved: 2018-05-08
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JDK 11 JDK 7 JDK 8 Other
11 b13Fixed 7u231Fixed 8u221Fixed openjdk7uFixed
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Description
The design of some modern cryptographic algorithms enables the use of efficient and constant-time modular arithmetic that avoids carry operations by using a sparse representation. This arithmetic should go in a library that can be reused by multiple cryptographic algorithm implementations. This library will not have a public API, so it should only be used by the Sun providers.