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crypto: allow deriving public from private keys #26278

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This change allows passing private key objects to crypto.createPublicKey(), resulting in a KeyObject that represents a valid public key for the given private key. The returned public KeyObject can be used and exported safely without revealing information about the private key.

cc @sam-github, we talked about this in person and via Hangouts.

Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • tests and/or benchmarks are included
  • documentation is changed or added
  • commit message follows commit guidelines

@tniessen
crypto: allow deriving public from private keys
67f2fe8 
This change allows passing private key objects to
crypto.createPublicKey, resulting in a key object that represents a
valid public key for the given private key. The returned public key
object can be used and exported safely without revealing information
about the private key.
@nodejs-github-bot nodejs-github-bot added c++ Issues and PRs that require attention from people who are familiar with C++. crypto Issues and PRs related to the crypto subsystem. labels Feb 23, 2019
@tniessen tniessen added the semver-minor PRs that contain new features and should be released in the next minor version. label Feb 23, 2019
@nodejs nodejs deleted a comment from nodejs-github-bot Feb 23, 2019
sam-github
sam-github approved these changes Feb 25, 2019
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Approved with some minor comments, address as you see fit.

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tniessen commented Mar 3, 2019

CI: https://ci.nodejs.org/job/node-test-pull-request/21159/

@tniessen tniessen added the author ready PRs that have at least one approval, no pending requests for changes, and a CI started. label Mar 4, 2019
BridgeAR
BridgeAR reviewed Mar 5, 2019
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panva
panva reviewed Mar 5, 2019
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tniessen added a commit that referenced this pull request Mar 5, 2019
@tniessen
crypto: allow deriving public from private keys
fe71629 
This change allows passing private key objects to
crypto.createPublicKey, resulting in a key object that represents a
valid public key for the given private key. The returned public key
object can be used and exported safely without revealing information
about the private key.

PR-URL: #26278
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Ben Noordhuis <[email protected]>
Reviewed-By: Sam Roberts <[email protected]>
@tniessen
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tniessen commented Mar 5, 2019

Thanks for reviewing, everyone, landed in fe71629!

@sam-github, I know you are busy and that #26278 (comment) and #26278 (comment) are still open, but I think they can be addressed after landing this :)

@tniessen tniessen closed this Mar 5, 2019
@tniessen tniessen mentioned this pull request Mar 5, 2019
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@tniessen tniessen mentioned this pull request Mar 15, 2019
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targos pushed a commit to targos/node that referenced this pull request Mar 27, 2019
@tniessen @targos
crypto: allow deriving public from private keys
0be6f95 
This change allows passing private key objects to
crypto.createPublicKey, resulting in a key object that represents a
valid public key for the given private key. The returned public key
object can be used and exported safely without revealing information
about the private key.

Backport-PR-URL: nodejs#26688
PR-URL: nodejs#26278
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Ben Noordhuis <[email protected]>
Reviewed-By: Sam Roberts <[email protected]>
targos pushed a commit that referenced this pull request Mar 27, 2019
@tniessen @targos
crypto: allow deriving public from private keys
ed7599b 
This change allows passing private key objects to
crypto.createPublicKey, resulting in a key object that represents a
valid public key for the given private key. The returned public key
object can be used and exported safely without revealing information
about the private key.

Backport-PR-URL: #26688
PR-URL: #26278
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Ben Noordhuis <[email protected]>
Reviewed-By: Sam Roberts <[email protected]>
@targos targos mentioned this pull request Mar 27, 2019
Merged
targos added a commit that referenced this pull request Mar 28, 2019
@targos
2019-03-28, Version 11.13.0 (Current)
29867f3 
Notable changes:

* crypto
  * Allow deriving public from private keys (Tobias Nießen)
    [#26278](#26278).
* events
  * Added a `once` function to use `EventEmitter` with promises
    (Matteo Collina) [#26078](#26078).
* tty
  * Added a `hasColors` method to `WriteStream` (Ruben Bridgewater)
    [#26247](#26247).
  * Added NO_COLOR and FORCE_COLOR support (Ruben Bridgewater)
    [#26485](#26485).
* v8
  * Added `v8.getHeapSnapshot` and `v8.writeHeapSnapshot` to generate snapshots
    in the format used by tools such as Chrome DevTools (James M Snell)
    [#26501](#26501).
* worker
  * Added `worker.moveMessagePortToContext`. This enables using MessagePorts in
    different vm.Contexts, aiding with the isolation that the vm module seeks to
    provide (Anna Henningsen)
    [#26497](#26497).
* C++ API
  * `AddPromiseHook` is now deprecated. This API was added to fill an use case
    that is served by `async_hooks`, since that has `Promise` support
    (Anna Henningsen) [#26529](#26529).
  * Added a `Stop` API to shut down Node.js while it is running
    (Gireesh Punathil) [#21283](#21283).
* meta
  * [Gireesh Punathil](https://github.com/gireeshpunathil) is now a member of
    the Technical Steering Committee
    [#26657](#26657).
  * Added [Yongsheng Zhang](https://github.com/ZYSzys) to collaborators
    [#26730](#26730).

PR-URL: #26949
targos added a commit that referenced this pull request Mar 28, 2019
@targos
2019-03-28, Version 11.13.0 (Current)
2c73868 
Notable changes:

* crypto
  * Allow deriving public from private keys (Tobias Nießen)
    [#26278](#26278).
* events
  * Added a `once` function to use `EventEmitter` with promises
    (Matteo Collina) [#26078](#26078).
* tty
  * Added a `hasColors` method to `WriteStream` (Ruben Bridgewater)
    [#26247](#26247).
  * Added NO_COLOR and FORCE_COLOR support (Ruben Bridgewater)
    [#26485](#26485).
* v8
  * Added `v8.getHeapSnapshot` and `v8.writeHeapSnapshot` to generate snapshots
    in the format used by tools such as Chrome DevTools (James M Snell)
    [#26501](#26501).
* worker
  * Added `worker.moveMessagePortToContext`. This enables using MessagePorts in
    different vm.Contexts, aiding with the isolation that the vm module seeks to
    provide (Anna Henningsen)
    [#26497](#26497).
* C++ API
  * `AddPromiseHook` is now deprecated. This API was added to fill an use case
    that is served by `async_hooks`, since that has `Promise` support
    (Anna Henningsen) [#26529](#26529).
  * Added a `Stop` API to shut down Node.js while it is running
    (Gireesh Punathil) [#21283](#21283).
* meta
  * [Gireesh Punathil](https://github.com/gireeshpunathil) is now a member of
    the Technical Steering Committee
    [#26657](#26657).
  * Added [Yongsheng Zhang](https://github.com/ZYSzys) to collaborators
    [#26730](#26730).

PR-URL: #26949
BethGriggs pushed a commit that referenced this pull request Apr 5, 2019
@targos @BethGriggs
2019-03-28, Version 11.13.0 (Current)
473b162 
Notable changes:

* crypto
  * Allow deriving public from private keys (Tobias Nießen)
    [#26278](#26278).
* events
  * Added a `once` function to use `EventEmitter` with promises
    (Matteo Collina) [#26078](#26078).
* tty
  * Added a `hasColors` method to `WriteStream` (Ruben Bridgewater)
    [#26247](#26247).
  * Added NO_COLOR and FORCE_COLOR support (Ruben Bridgewater)
    [#26485](#26485).
* v8
  * Added `v8.getHeapSnapshot` and `v8.writeHeapSnapshot` to generate snapshots
    in the format used by tools such as Chrome DevTools (James M Snell)
    [#26501](#26501).
* worker
  * Added `worker.moveMessagePortToContext`. This enables using MessagePorts in
    different vm.Contexts, aiding with the isolation that the vm module seeks to
    provide (Anna Henningsen)
    [#26497](#26497).
* C++ API
  * `AddPromiseHook` is now deprecated. This API was added to fill an use case
    that is served by `async_hooks`, since that has `Promise` support
    (Anna Henningsen) [#26529](#26529).
  * Added a `Stop` API to shut down Node.js while it is running
    (Gireesh Punathil) [#21283](#21283).
* meta
  * [Gireesh Punathil](https://github.com/gireeshpunathil) is now a member of
    the Technical Steering Committee
    [#26657](#26657).
  * Added [Yongsheng Zhang](https://github.com/ZYSzys) to collaborators
    [#26730](#26730).

PR-URL: #26949
@tniessen tniessen removed the author ready PRs that have at least one approval, no pending requests for changes, and a CI started. label Jan 14, 2021
abhishekumar-tyagi pushed a commit to abhishekumar-tyagi/node that referenced this pull request May 5, 2024
@tniessen
crypto: allow deriving public from private keys
12f5461 
This change allows passing private key objects to
crypto.createPublicKey, resulting in a key object that represents a
valid public key for the given private key. The returned public key
object can be used and exported safely without revealing information
about the private key.

PR-URL: nodejs/node#26278
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Ben Noordhuis <[email protected]>
Reviewed-By: Sam Roberts <[email protected]>
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