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# create-hmac
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[](https://www.npmjs.org/package/create-hmac)
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[](https://travis-ci.org/crypto-browserify/createHmac)
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[](https://david-dm.org/crypto-browserify/createHmac#info=dependencies)
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[](https://github.com/feross/standard)
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Node style HMACs for use in the browser, with native HMAC functions in node. API is the same as HMACs in node:
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```js
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var createHmac = require('create-hmac')
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var hmac = createHmac('sha224', Buffer.from('secret key'))
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hmac.update('synchronous write') //optional encoding parameter
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hmac.digest() // synchronously get result with optional encoding parameter
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hmac.write('write to it as a stream')
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hmac.end() //remember it's a stream
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hmac.read() //only if you ended it as a stream though
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```
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