18 lines
476 B
JavaScript
Executable file
18 lines
476 B
JavaScript
Executable file
#!/usr/bin/env node
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'use strict'
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const HKDF = require('node-hkdf-sync')
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const label = process.argv[2]
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const masterSeedHex = process.argv[3].trim()
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if (process.argv.length !== 4) {
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console.error('hdkf <label> <masterKey>')
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console.error('masterKey should be in hex encoding.')
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process.exit(3)
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}
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const masterSeed = new Buffer(masterSeedHex, 'hex')
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const hkdf = new HKDF('sha256', 'lamassu-server-salt', masterSeed)
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console.log(hkdf.derive(label, 32).toString('hex'))
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