Core: `SecurityUtils.createMtlsKeyStore` should use a fixed algorithm for creating the `PrivateKey`

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4/5
预计耗时
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新手友好度
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Issue 类型
缺陷
描述清晰度
基本清楚
活跃度
停滞
技术栈
java
领域
security

调研方向

从 SecurityUtils.createMtlsKeyStore 开始,检查 issue 中所示的 KeyFactory 调用周围当前对 IllegalArgumentException 的处理。查看 Error Prone 关于 InsecureCipherMode 的指导以及 InvalidAlgorithmParameterException API,然后在启用 Error Prone 的情况下运行构建。完成的标准是:不安全或不受支持的密钥算法按照指定方式处理,并且警告得到解决。

由索引模型根据 Issue 内容生成。

描述

priority: p3

Callers of SecurityUtils.createMtlsKeyStore can direct the use of insecure algorithms in the construction of the mTLS connection. In general, we attempt to affix the algorithm used to inhibit use of algorithms with known vulnerabilities.

Personally, I would be fine with denying provided certs whose cert.getPublicKey().getAlgorithm() was DH or DSA, but in lieu of blocklisting known bad algorithms, perhaps it'd be more security affirmative to allowlist currently-OK algorithms, so we only ever use good versions, and suffer toil later if we have to retrofit additional entries.

My suggestion is to create a case statement just below where the method currently throws IllegalArgumentException for various cases, and add the set of known good algorithms, and throw an InvalidAlgorithmParameterException if it is not one of those. In addition, special case DH and DSA to give references to their vulnerabilities as described in InsecureCypherMode.identifyDiffieHellmanAndDsaVulnerabilities.

/cc @sophieschmieg, as her guidance/requirements will be canonical for importing whatever changes are made here into the monorepo.

Environment details
  1. API: Core
  2. OS type and version: 5.17.6-1rodete1-amd64
  3. Java version: OpenJDK Runtime Environment (build 11.0.13+8-google-release-451398016) OpenJDK 64-Bit Server VM (build 11.0.13+8-google-release-451398016, mixed mode, sharing)
  4. version(s): ~head (with local patches)
Steps to reproduce
  1. Add errorprone warnings to the build
  2. Build.

SecurityUtils.createMtlsKeyStore will generate an InsecureCipherMode warning.

Code example
    PrivateKey key =
        KeyFactory.getInstance(cert.getPublicKey().getAlgorithm()).generatePrivate(keySpecPKCS8);
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