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  1. JDK
  2. JDK-8172869

4096 is not supported yet for the DH Parameter Generator

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    Backports

      Description

        AlgorithmParameterGenerator apg =
                          AlgorithmParameterGenerator.getInstance("DiffieHellman");
                apg.init(4096);

        breaks for 4096 key length with following exception

        java.security.InvalidParameterException: DH key size must be multiple of 64 and range from 512 to 1024 (inclusive), or 2048, 3072. The specific key size 4096 is not supported

        spec mandates that every implementation of AlgorithmParameterGenerator should support "DiffieHellman" with 4096 keylength

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            backported by

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8174639 4096 is not supported yet for the DH Parameter Generator

            • P2 - Crashes, loss of data, severe memory leak.
            • Resolved
            relates to

            Task - A task that needs to be done. JDK-8015388 Required algorithms for JDK 9

            • P3 - Major loss of function.
            • Resolved

            Bug - A problem which impairs or prevents the functions of the product. JDK-8173298 Update KeySize Restrictions sections of Oracle Providers doc

            • P3 - Major loss of function.
            • Resolved

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                xuelei Xuelei Fan
                bnallakaluva Bharath Nallakaluva (Inactive)
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                  Created:
                  Updated:
                  Resolved: