crypto: add SubtleCrypto.supports feature detection in Web Crypto API #57270
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#57273 will allow the implementation to share validation code with the actual algorithm operations. |
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Early draft implementation of SubtleCrypto.supports.
While today we support all the methods and algorithms, this method will become really useful for interop when modern webcrypto algorithms are going to start popping up that will depend on new OpenSSL versions, such as ML-DSA that may not be immediately available in distributions with linked OpenSSL.
cc @twiss
This will remain a draft PR until this work is accepted by WICG as a proposal for the addition of its content to the Web Cryptography API.