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(backport 4.x) crypto: clear err stack after ECDH::BufferToPoint #13399

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(backport 4.x) crypto: clear err stack after ECDH::BufferToPoint #13399

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rfk
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@rfk rfk commented Jun 2, 2017

As noted in #13275 (comment), with some cleanups to merge the test.

Functions that call `ECDH::BufferToPoint` were not clearing the
error stack on failure, so an invalid key could leave leftover
error state and cause subsequent (unrelated) signing operations
to fail.

PR-URL: #13275
Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
@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. v4.x labels Jun 2, 2017
MylesBorins pushed a commit that referenced this pull request Jul 10, 2017
Functions that call `ECDH::BufferToPoint` were not clearing the
error stack on failure, so an invalid key could leave leftover
error state and cause subsequent (unrelated) signing operations
to fail.

PR-URL: #13275
Backport-PR-URL: #13399
Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
@MylesBorins
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landed in 977b46b

MylesBorins pushed a commit that referenced this pull request Jul 11, 2017
Functions that call `ECDH::BufferToPoint` were not clearing the
error stack on failure, so an invalid key could leave leftover
error state and cause subsequent (unrelated) signing operations
to fail.

PR-URL: #13275
Backport-PR-URL: #13399
Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
MylesBorins pushed a commit that referenced this pull request Oct 25, 2017
Functions that call `ECDH::BufferToPoint` were not clearing the
error stack on failure, so an invalid key could leave leftover
error state and cause subsequent (unrelated) signing operations
to fail.

PR-URL: #13275
Backport-PR-URL: #13399
Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
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