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Validate key sizes and allow signing with empty public keys #159
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I have a general question here: What does
d
mean for Ed25519 in terms of OKP? Is it private key or seed?RFC 8152 13.2 says that
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d is a private key component of a crv, but my understanding of the specs is that it can be anything sufficiently random... so in the case that you derive a seed from a mnemonic or other details, you might use the seed as the private key... thats all super dangerous stuff... and I don't think any of it is relevant to COSE.
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The function name is a little misleading. Its documentation is more interesting:
RFC8152 8.2 says that EdDSA curves should be implemented following RFC8032, so my understanding is that it is safe to use
NewKeyFromSeed
here.