40 lines
1,018 B
JavaScript
40 lines
1,018 B
JavaScript
// Crypto, crypto, where art thou crypto
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var CryptoJS = require('crypto-js')
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var crypto = require('crypto')
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var convert = require('./convert')
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function hash160(buffer) {
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if (!Buffer.isBuffer(buffer)) buffer = new Buffer(buffer) // FIXME: transitionary
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var step1 = sha256(buffer)
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var step2a = convert.bytesToWordArray(step1)
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var step2b = CryptoJS.RIPEMD160(step2a)
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return new Buffer(convert.wordArrayToBytes(step2b))
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}
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function hash256(buffer) {
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if (!Buffer.isBuffer(buffer)) buffer = new Buffer(buffer) // FIXME: transitionary
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return sha256(sha256(buffer))
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}
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function sha1(buffer) {
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if (!Buffer.isBuffer(buffer)) buffer = new Buffer(buffer) // FIXME: transitionary
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return crypto.createHash('sha1').update(buffer).digest()
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}
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function sha256(buffer) {
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if (!Buffer.isBuffer(buffer)) buffer = new Buffer(buffer) // FIXME: transitionary
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return crypto.createHash('sha256').update(buffer).digest()
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}
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module.exports = {
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sha1: sha1,
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sha256: sha256,
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hash160: hash160,
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hash256: hash256
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}
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