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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| 'use strict' | ||
|
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| const SHA3 = require('browserify-sha3') | ||
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| const webCrypto = getWebCrypto() | ||
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| function getWebCrypto () { | ||
| if (typeof window !== 'undefined') { | ||
| if (window.crypto) { | ||
| return window.crypto.subtle || window.crypto.webkitSubtle | ||
| } | ||
|
|
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| if (window.msCrypto) { | ||
| return window.msCrypto.subtle | ||
| } | ||
| } | ||
| } | ||
|
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| function webCryptoHash (type) { | ||
| if (!webCrypto) { | ||
| throw new Error('Please use a browser with webcrypto support') | ||
| } | ||
|
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| return (data, callback) => { | ||
| const res = webCrypto.digest({ name: type }, data) | ||
|
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| if (typeof res.then !== 'function') { // IE11 | ||
| res.onerror = () => { | ||
| callback(`Error hashing data using ${type}`) | ||
| } | ||
| res.oncomplete = (e) => { | ||
| callback(null, e.target.result) | ||
| } | ||
| return | ||
| } | ||
|
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| return res.then((arrbuf) => { | ||
| callback(null, new Buffer(new Uint8Array(arrbuf))) | ||
| }).catch((err) => callback(err)) | ||
| } | ||
| } | ||
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| function sha1 (buf, callback) { | ||
| webCryptoHash('SHA-1')(buf, callback) | ||
| } | ||
|
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| function sha2256 (buf, callback) { | ||
| webCryptoHash('SHA-256')(buf, callback) | ||
| } | ||
|
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| function sha2512 (buf, callback) { | ||
| webCryptoHash('SHA-512')(buf, callback) | ||
| } | ||
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| function sha3 (buf, callback) { | ||
| const d = new SHA3.SHA3Hash() | ||
| const digest = new Buffer(d.update(buf).digest('hex'), 'hex') | ||
| callback(null, digest) | ||
| } | ||
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| module.exports = { | ||
| sha1: sha1, | ||
| sha2256: sha2256, | ||
| sha2512: sha2512, | ||
| sha3: sha3 | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| 'use strict' | ||
|
|
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| const SHA3 = require('sha3') | ||
| const crypto = require('crypto') | ||
|
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| function sha1 (buf, callback) { | ||
| const digest = crypto.createHash('sha1').update(buf).digest() | ||
| callback(null, digest) | ||
| } | ||
|
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| function sha2256 (buf, callback) { | ||
| const digest = crypto.createHash('sha256').update(buf).digest() | ||
| callback(null, digest) | ||
| } | ||
|
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| function sha2512 (buf, callback) { | ||
| const digest = crypto.createHash('sha512').update(buf).digest() | ||
| callback(null, digest) | ||
| } | ||
|
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| function sha3 (buf, callback) { | ||
| const d = new SHA3.SHA3Hash() | ||
| const digest = new Buffer(d.update(buf).digest('hex'), 'hex') | ||
| callback(null, digest) | ||
| } | ||
|
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| module.exports = { | ||
| sha1: sha1, | ||
| sha2256: sha2256, | ||
| sha2512: sha2512, | ||
| sha3: sha3 | ||
| } |
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