chore: use monorepo organization

packages/server/bin/hkdf

@@ -0,0 +1,17 @@
+#!/usr/bin/env node
+
+'use strict'
+
+const hkdf = require('futoin-hkdf')
+
+const label = process.argv[2]
+const masterSeedHex = process.argv[3].trim()
+
+if (process.argv.length !== 4) {
+  console.error('hdkf <label> <masterKey>')
+  console.error('masterKey should be in hex encoding.')
+  process.exit(3)
+}
+
+const masterSeed = Buffer.from(masterSeedHex, 'hex')
+console.log(hkdf(masterSeed, 32, { salt: 'lamassu-server-salt', info: label }).toString('hex'))