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increment-buffer

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    increment-buffer

increment a buffer (with carry)


Version published
Weekly downloads
149
decreased by-4.49%
Maintainers
1
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4.31 kB
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increment-buffer

increment a buffer (with carry)

Example

Useful for managing nonces when using libsodium In particular, see Notes section regarding reusing keys (scroll to bottom)

> var inc = require('increment-buffer')
> inc(new Buffer([0, 0, 0, 0]))
<Buffer 00 00 00 01>

> //with carry...
> inc(new Buffer([0, 0, 0, 255]))
<Buffer 00 00 01 00>

> //wrap around
> inc(new Buffer([255, 255, 255, 255]))
<Buffer 00 00 00 00>

License

MIT

FAQs

Last updated on 02 Nov 2016

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