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| author | Sam Roberts <vieuxtech@gmail.com> | 2017-08-23 14:04:33 -0700 |
|---|---|---|
| committer | Sam Roberts <vieuxtech@gmail.com> | 2017-08-25 10:06:02 -0700 |
| commit | 68321b5cb0078e2964150772486be338011e5711 (patch) | |
| tree | ebfd1aee9992f9411d17fc1543ba35d1fdc317e7 /doc | |
| parent | 7efb8f7619100973877c660d0ee527ea3d92de8d (diff) | |
| download | android-node-v8-68321b5cb0078e2964150772486be338011e5711.tar.gz android-node-v8-68321b5cb0078e2964150772486be338011e5711.tar.bz2 android-node-v8-68321b5cb0078e2964150772486be338011e5711.zip | |
doc: crypto.randomBytes does not block when async
It may not return random bytes right away, but when called
asynchronously it will not block.
PR-URL: https://github.com/nodejs/node/pull/14993
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/api/crypto.md | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/api/crypto.md b/doc/api/crypto.md index 56c196ed23..2f981e1ffe 100644 --- a/doc/api/crypto.md +++ b/doc/api/crypto.md @@ -1717,7 +1717,8 @@ console.log( `${buf.length} bytes of random data: ${buf.toString('hex')}`); ``` -The `crypto.randomBytes()` method will block until there is sufficient entropy. +The `crypto.randomBytes()` method will not complete until there is +sufficient entropy available. This should normally never take longer than a few milliseconds. The only time when generating the random bytes may conceivably block for a longer period of time is right after boot, when the whole system is still low on entropy. |