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doc: show keylen in pbkdf2 as a byte length

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Ensure that keylen for pbkdf2 is documented as a length of bytes and not
bits.

PR-URL: https://github.com/nodejs/node/pull/3334
Reviewed-By: Fedor Indutny <fedor@indutny.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
This commit is contained in:
calebboyd
2015-10-19 12:38:55 -05:00
committed by Jeremiah Senkpiel
parent 73b7e052c0
commit ff8fa5150f
1 changed files with 2 additions and 2 deletions
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4
doc/api/crypto.markdown
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@@ -621,13 +621,13 @@ Example (obtaining a shared secret):
## crypto.pbkdf2(password, salt, iterations, keylen[, digest], callback)
Asynchronous PBKDF2 function. Applies the selected HMAC digest function
(default: SHA1) to derive a key of the requested length from the password,
(default: SHA1) to derive a key of the requested byte length from the password,
salt and number of iterations. The callback gets two arguments:
`(err, derivedKey)`.
Example:
crypto.pbkdf2('secret', 'salt', 4096, 512, 'sha256', function(err, key) {
crypto.pbkdf2('secret', 'salt', 4096, 64, 'sha256', function(err, key) {
if (err)
throw err;
console.log(key.toString('hex')); // 'c5e478d...1469e50'