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doc: remove section on "recent" ECDH changes #41773

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Jan 31, 2022
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doc: remove section on "recent" ECDH changes #41773

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16 changes: 0 additions & 16 deletions doc/api/crypto.md
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Expand Up @@ -5464,21 +5464,6 @@ and returned `'latin1'` encoded strings by default rather than `Buffer`s. This
default was changed after Node.js v0.8 to use [`Buffer`][] objects by default
instead.

### Recent ECDH changes

Usage of `ECDH` with non-dynamically generated key pairs has been simplified.
Now, [`ecdh.setPrivateKey()`][] can be called with a preselected private key
and the associated public point (key) will be computed and stored in the object.
This allows code to only store and provide the private part of the EC key pair.
[`ecdh.setPrivateKey()`][] now also validates that the private key is valid for
the selected curve.

The [`ecdh.setPublicKey()`][] method is now deprecated as its inclusion in the
API is not useful. Either a previously stored private key should be set, which
automatically generates the associated public key, or [`ecdh.generateKeys()`][]
should be called. The main drawback of using [`ecdh.setPublicKey()`][] is that
it can be used to put the ECDH key pair into an inconsistent state.

### Support for weak or compromised algorithms

The `crypto` module still supports some algorithms which are already
Expand Down Expand Up @@ -6028,7 +6013,6 @@ See the [list of SSL OP Flags][] for details.
[`diffieHellman.setPublicKey()`]: #diffiehellmansetpublickeypublickey-encoding
[`ecdh.generateKeys()`]: #ecdhgeneratekeysencoding-format
[`ecdh.setPrivateKey()`]: #ecdhsetprivatekeyprivatekey-encoding
[`ecdh.setPublicKey()`]: #ecdhsetpublickeypublickey-encoding
[`hash.digest()`]: #hashdigestencoding
[`hash.update()`]: #hashupdatedata-inputencoding
[`hmac.digest()`]: #hmacdigestencoding
Expand Down