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  1. JDK
  2. JDK-8298721

Elliptic Curve Cryptography (ECC) Brainpool curves

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      The Brainpool curves are defined in RFC 5639, and was introduced in JDK 11 with JDK-7007966. At that time the implementation was native code based. As there were some known security challenges, brainpool curves were deprecated in JDK 14 with JDK-8234924 and the implementation was removed with JDK-8235710 in JDK 16.

      However, Brainpool curves have been used in practice. There are voices[1][2] to add them back.

      [1]: https://mail.openjdk.org/pipermail/security-dev/2022-December/033839.html
      [2]: https://mail.openjdk.org/pipermail/security-dev/2022-November/033428.html

            kdriver Kevin Driver
            xuelei Xuelei Fan
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