fix: use publicKey.x instead of privateKey.x #2926
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Although [RFC7518 6.3.2](https://datatracker.ietf.org/doc/html/rfc7518#section-6.3.2) specifies that private key JWKs must include all the fields present in the public key, this is not the case for the implementation of `node:crypto.generateKeyPairSync` in the deno runtime. While Node returns the (same) `x` property in both, the `privateKey` and the `publicKey`, Deno only returns the `x` property in `publicKey` (i.e. [no x here](https://github.com/denoland/deno/blob/88490d092751288f736855b2418a4da606a31ce7/ext/node/ops/crypto/keys.rs#L1475)). This change should not affect any Node users, but would enable the use of libp2p on Deno.
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That RFC link only refers to RSA keys, the code change here is for Ed25519 keys? Seems fine though, thanks for opening this PR. |
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Although [RFC7518 6.3.2](https://datatracker.ietf.org/doc/html/rfc7518#section-6.3.2) specifies that private key JWKs must include all the fields present in the public key, this is not the case for the implementation of `node:crypto.generateKeyPairSync` in the deno runtime. While Node returns the (same) `x` property in both, the `privateKey` and the `publicKey`, Deno only returns the `x` property in `publicKey` (i.e. [no x here](https://github.com/denoland/deno/blob/88490d092751288f736855b2418a4da606a31ce7/ext/node/ops/crypto/keys.rs#L1475)). This change should not affect any Node users, but would enable the use of libp2p on Deno. Co-authored-by: Alex Potsides <[email protected]>
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Sorry, my bad. Elliptic curves are in section 6.2 right above. But it's the same story. |
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Very true. Is there an issue on the Deno repo about this? It should implement the |
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I opened another issue at denoland/deno#27972 |
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fix: ed25519 generateKeyPairSync: use publicKey.x instead of privateKey.x
Description
Although RFC7518 6.3.2 specifies that private key JWKs must include all the fields present in the public key, this is not the case for the implementation of
node:crypto.generateKeyPairSyncin the deno runtime.While Node returns the (same)
xproperty in both, theprivateKeyand thepublicKey, Deno only returns thexproperty inpublicKey(i.e. no x here).This change should not affect any Node users, but would enable the use of libp2p on Deno.
Notes & open questions
Change checklist