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34 lines
1.5 KiB
JavaScript
34 lines
1.5 KiB
JavaScript
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import { HmacSha512, AES_CBC } from 'asmcrypto.js'
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import { kdf } from './kdf.js'
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// import Base58 from '../qora/deps/Base58.js'
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import Base58 from './deps/Base58.js'
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const getRandomValues = window.crypto ? window.crypto.getRandomValues.bind(window.crypto) : window.msCrypto.getRandomValues.bind(window.msCrypto)
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export const generateSaveWalletData = async (wallet, password, kdfThreads, statusUpdateFn) => {
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statusUpdateFn('Generating random values')
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let iv = new Uint8Array(16)
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getRandomValues(iv)
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let salt = new Uint8Array(32)
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getRandomValues(salt) // Can actually use a salt this time, as we can store the salt with the wallet
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// const key = PBKDF2_HMAC_SHA512.bytes(utils.stringtoUTF8Array(password), salt, PBKDF2_ROUNDS, 64) // 512bit key to be split in two for mac/encryption
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const key = await kdf(password, salt, statusUpdateFn)
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statusUpdateFn('Encrypting seed')
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const encryptionKey = key.slice(0, 32)
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const macKey = key.slice(32, 63)
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const encryptedSeed = AES_CBC.encrypt(wallet._byteSeed, encryptionKey, false, iv)
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// const mac = HmacSha512.bytes(encryptedSeed, macKey)
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statusUpdateFn('Generating mac')
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const mac = new HmacSha512(macKey).process(encryptedSeed).finish().result
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return {
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address0: wallet._addresses[0].address,
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encryptedSeed: Base58.encode(encryptedSeed),
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salt: Base58.encode(salt),
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iv: Base58.encode(iv),
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version: wallet._walletVersion,
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mac: Base58.encode(mac),
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kdfThreads
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}
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}
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