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Use SHA-256 as the webpack hash function #1743

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Use SHA-256 as the webpack hash function #1743

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Commits on Oct 7, 2021

  1. Use SHA-256 as the webpack hash function 

    Webpack [defaults to MD4](https://webpack.js.org/configuration/output/#outputhashfunction) as the output hash function. MD4 was [moved to the legacy provider](https://www.openssl.org/news/changelog.html#openssl-30) in OpenSSL 3.0 and is not available by default. As a result, webpack fails to run on any system with OpenSSL 3.0 or later.

This patch sets the hash function explicitly to SHA-256 which fixes the webpack build on such systems. SHA-256 is chosen as a reasonable modern default.

An alternative solution would be to upgrade to webpack v5.54.0 or later and use webpack's future default hash function `xxhash64`, which doesn't depend on OpenSSL and is also faster than SHA-256.
    @jbg
    jbg committed Oct 7, 2021
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