doc: remove statement about (EC)DHE performance

This statement is misleading in that it says "key generation is expensive". ECDHE key generation (over the elliptic curves that are commonly used for TLS) is insanely fast compared to most other types of key generation. This statement is irrelevant for TLS 1.3, which requires (EC)DHE. Even if this statement is somewhat true for TLS 1.2, it does not justify discouraging the use of (EC)DHE. PR-URL: #41528 Reviewed-By: Rich Trott <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Benjamin Gruenbaum <[email protected]>
nodejs · Jan 24, 2022 · be63dc5 · be63dc5
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commit be63dc5
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diff --git a/doc/api/tls.md b/doc/api/tls.md
@@ -89,9 +89,6 @@ the character "E" appended to the traditional abbreviations):
 * [ECDHE][]: An ephemeral version of the Elliptic Curve Diffie-Hellman
   key-agreement protocol.
 
-Ephemeral methods may have some performance drawbacks, because key generation
-is expensive.
-
 To use perfect forward secrecy using `DHE` with the `tls` module, it is required
 to generate Diffie-Hellman parameters and specify them with the `dhparam`
 option to [`tls.createSecureContext()`][]. The following illustrates the use of