diff options
author | Florian Dold <florian.dold@gmail.com> | 2019-08-15 23:34:08 +0200 |
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committer | Florian Dold <florian.dold@gmail.com> | 2019-08-15 23:34:08 +0200 |
commit | ea2fb677d0268eed8153a614603cca04b1b2172d (patch) | |
tree | f264c0e75c8b4dcd5f751ce690c98870a20c677f /src/crypto/cryptoWorker.ts | |
parent | 78f885db3de3901e29c6841229df03327c2943fe (diff) | |
download | wallet-core-ea2fb677d0268eed8153a614603cca04b1b2172d.tar.xz |
worker refactoring / sync worker
Diffstat (limited to 'src/crypto/cryptoWorker.ts')
-rw-r--r-- | src/crypto/cryptoWorker.ts | 741 |
1 files changed, 28 insertions, 713 deletions
diff --git a/src/crypto/cryptoWorker.ts b/src/crypto/cryptoWorker.ts index 5acda9053..11e3d964c 100644 --- a/src/crypto/cryptoWorker.ts +++ b/src/crypto/cryptoWorker.ts @@ -21,742 +21,57 @@ /** * Imports. */ -import * as Amounts from "../amounts"; -import { AmountJson } from "../amounts"; - -import * as timer from "../timer"; - -import { - CoinRecord, - CoinStatus, - DenominationRecord, - PreCoinRecord, - RefreshPreCoinRecord, - RefreshSessionRecord, - ReserveRecord, - TipPlanchet, - WireFee, -} from "../dbTypes"; - -import { CoinPaySig, ContractTerms, PaybackRequest } from "../talerTypes"; - -import { BenchmarkResult, CoinWithDenom, PayCoinInfo } from "../walletTypes"; - -import { canonicalJson } from "../helpers"; import * as emscLoader from "./emscLoader"; -import { - Amount, - EddsaPublicKey, - HashCode, - HashContext, - RefreshMeltCoinAffirmationPS, -} from "./emscInterface"; -import * as native from "./emscInterface"; - -namespace RpcFunctions { - - export let enableTracing: boolean = false; - - /** - * Create a pre-coin of the given denomination to be withdrawn from then given - * reserve. - */ - export function createPreCoin( - denom: DenominationRecord, - reserve: ReserveRecord, - ): PreCoinRecord { - const reservePriv = new native.EddsaPrivateKey(); - reservePriv.loadCrock(reserve.reserve_priv); - const reservePub = new native.EddsaPublicKey(); - reservePub.loadCrock(reserve.reserve_pub); - const denomPub = native.RsaPublicKey.fromCrock(denom.denomPub); - const coinPriv = native.EddsaPrivateKey.create(); - const coinPub = coinPriv.getPublicKey(); - const blindingFactor = native.RsaBlindingKeySecret.create(); - const pubHash: native.HashCode = coinPub.hash(); - const ev = native.rsaBlind(pubHash, blindingFactor, denomPub); - - if (!ev) { - throw Error("couldn't blind (malicious exchange key?)"); - } - - if (!denom.feeWithdraw) { - throw Error("Field fee_withdraw missing"); - } - - const amountWithFee = new native.Amount(denom.value); - amountWithFee.add(new native.Amount(denom.feeWithdraw)); - const withdrawFee = new native.Amount(denom.feeWithdraw); - - const denomPubHash = denomPub.encode().hash(); - - // Signature - const withdrawRequest = new native.WithdrawRequestPS({ - amount_with_fee: amountWithFee.toNbo(), - h_coin_envelope: ev.hash(), - h_denomination_pub: denomPubHash, - reserve_pub: reservePub, - withdraw_fee: withdrawFee.toNbo(), - }); - - const sig = native.eddsaSign(withdrawRequest.toPurpose(), reservePriv); - - const preCoin: PreCoinRecord = { - blindingKey: blindingFactor.toCrock(), - coinEv: ev.toCrock(), - coinPriv: coinPriv.toCrock(), - coinPub: coinPub.toCrock(), - coinValue: denom.value, - denomPub: denomPub.toCrock(), - denomPubHash: denomPubHash.toCrock(), - exchangeBaseUrl: reserve.exchange_base_url, - isFromTip: false, - reservePub: reservePub.toCrock(), - withdrawSig: sig.toCrock(), - }; - return preCoin; - } - - /** - * Create a planchet used for tipping, including the private keys. - */ - export function createTipPlanchet(denom: DenominationRecord): TipPlanchet { - const denomPub = native.RsaPublicKey.fromCrock(denom.denomPub); - const coinPriv = native.EddsaPrivateKey.create(); - const coinPub = coinPriv.getPublicKey(); - const blindingFactor = native.RsaBlindingKeySecret.create(); - const pubHash: native.HashCode = coinPub.hash(); - const ev = native.rsaBlind(pubHash, blindingFactor, denomPub); - - if (!ev) { - throw Error("couldn't blind (malicious exchange key?)"); - } - - if (!denom.feeWithdraw) { - throw Error("Field fee_withdraw missing"); - } - - const tipPlanchet: TipPlanchet = { - blindingKey: blindingFactor.toCrock(), - coinEv: ev.toCrock(), - coinPriv: coinPriv.toCrock(), - coinPub: coinPub.toCrock(), - coinValue: denom.value, - denomPub: denomPub.encode().toCrock(), - denomPubHash: denomPub - .encode() - .hash() - .toCrock(), - }; - return tipPlanchet; - } - - /** - * Create and sign a message to request payback for a coin. - */ - export function createPaybackRequest(coin: CoinRecord): PaybackRequest { - const p = new native.PaybackRequestPS({ - coin_blind: native.RsaBlindingKeySecret.fromCrock(coin.blindingKey), - coin_pub: native.EddsaPublicKey.fromCrock(coin.coinPub), - h_denom_pub: native.RsaPublicKey.fromCrock(coin.denomPub) - .encode() - .hash(), - }); - const coinPriv = native.EddsaPrivateKey.fromCrock(coin.coinPriv); - const coinSig = native.eddsaSign(p.toPurpose(), coinPriv); - const paybackRequest: PaybackRequest = { - coin_blind_key_secret: coin.blindingKey, - coin_pub: coin.coinPub, - coin_sig: coinSig.toCrock(), - denom_pub: coin.denomPub, - denom_sig: coin.denomSig, - }; - return paybackRequest; - } - - /** - * Check if a payment signature is valid. - */ - export function isValidPaymentSignature( - sig: string, - contractHash: string, - merchantPub: string, - ): boolean { - const p = new native.PaymentSignaturePS({ - contract_hash: native.HashCode.fromCrock(contractHash), - }); - const nativeSig = new native.EddsaSignature(); - nativeSig.loadCrock(sig); - const nativePub = native.EddsaPublicKey.fromCrock(merchantPub); - return native.eddsaVerify( - native.SignaturePurpose.MERCHANT_PAYMENT_OK, - p.toPurpose(), - nativeSig, - nativePub, - ); - } - - /** - * Check if a wire fee is correctly signed. - */ - export function isValidWireFee( - type: string, - wf: WireFee, - masterPub: string, - ): boolean { - const p = new native.MasterWireFeePS({ - closing_fee: new native.Amount(wf.closingFee).toNbo(), - end_date: native.AbsoluteTimeNbo.fromStampSeconds(wf.endStamp), - h_wire_method: native.ByteArray.fromStringWithNull(type).hash(), - start_date: native.AbsoluteTimeNbo.fromStampSeconds(wf.startStamp), - wire_fee: new native.Amount(wf.wireFee).toNbo(), - }); - - const nativeSig = new native.EddsaSignature(); - nativeSig.loadCrock(wf.sig); - const nativePub = native.EddsaPublicKey.fromCrock(masterPub); - - return native.eddsaVerify( - native.SignaturePurpose.MASTER_WIRE_FEES, - p.toPurpose(), - nativeSig, - nativePub, - ); - } - - /** - * Check if the signature of a denomination is valid. - */ - export function isValidDenom( - denom: DenominationRecord, - masterPub: string, - ): boolean { - const p = new native.DenominationKeyValidityPS({ - denom_hash: native.RsaPublicKey.fromCrock(denom.denomPub) - .encode() - .hash(), - expire_legal: native.AbsoluteTimeNbo.fromTalerString( - denom.stampExpireLegal, - ), - expire_spend: native.AbsoluteTimeNbo.fromTalerString( - denom.stampExpireDeposit, - ), - expire_withdraw: native.AbsoluteTimeNbo.fromTalerString( - denom.stampExpireWithdraw, - ), - fee_deposit: new native.Amount(denom.feeDeposit).toNbo(), - fee_refresh: new native.Amount(denom.feeRefresh).toNbo(), - fee_refund: new native.Amount(denom.feeRefund).toNbo(), - fee_withdraw: new native.Amount(denom.feeWithdraw).toNbo(), - master: native.EddsaPublicKey.fromCrock(masterPub), - start: native.AbsoluteTimeNbo.fromTalerString(denom.stampStart), - value: new native.Amount(denom.value).toNbo(), - }); - - const nativeSig = new native.EddsaSignature(); - nativeSig.loadCrock(denom.masterSig); - - const nativePub = native.EddsaPublicKey.fromCrock(masterPub); - - return native.eddsaVerify( - native.SignaturePurpose.MASTER_DENOMINATION_KEY_VALIDITY, - p.toPurpose(), - nativeSig, - nativePub, - ); - } - - /** - * Create a new EdDSA key pair. - */ - export function createEddsaKeypair(): { priv: string; pub: string } { - const priv = native.EddsaPrivateKey.create(); - const pub = priv.getPublicKey(); - return { priv: priv.toCrock(), pub: pub.toCrock() }; - } - - /** - * Unblind a blindly signed value. - */ - export function rsaUnblind(sig: string, bk: string, pk: string): string { - const denomSig = native.rsaUnblind( - native.RsaSignature.fromCrock(sig), - native.RsaBlindingKeySecret.fromCrock(bk), - native.RsaPublicKey.fromCrock(pk), - ); - return denomSig.encode().toCrock(); - } - - /** - * Generate updated coins (to store in the database) - * and deposit permissions for each given coin. - */ - export function signDeposit( - contractTerms: ContractTerms, - cds: CoinWithDenom[], - totalAmount: AmountJson, - ): PayCoinInfo { - const ret: PayCoinInfo = { - originalCoins: [], - sigs: [], - updatedCoins: [], - }; - - const contractTermsHash = hashString(canonicalJson(contractTerms)); - - const feeList: AmountJson[] = cds.map(x => x.denom.feeDeposit); - let fees = Amounts.add(Amounts.getZero(feeList[0].currency), ...feeList) - .amount; - // okay if saturates - fees = Amounts.sub(fees, Amounts.parseOrThrow(contractTerms.max_fee)) - .amount; - const total = Amounts.add(fees, totalAmount).amount; - - const amountSpent = native.Amount.getZero( - cds[0].coin.currentAmount.currency, - ); - const amountRemaining = new native.Amount(total); - for (const cd of cds) { - let coinSpend: Amount; - const originalCoin = { ...cd.coin }; - - if (amountRemaining.value === 0 && amountRemaining.fraction === 0) { - break; - } - - if (amountRemaining.cmp(new native.Amount(cd.coin.currentAmount)) < 0) { - coinSpend = new native.Amount(amountRemaining.toJson()); - } else { - coinSpend = new native.Amount(cd.coin.currentAmount); - } - - amountSpent.add(coinSpend); - amountRemaining.sub(coinSpend); - - const feeDeposit: Amount = new native.Amount(cd.denom.feeDeposit); - - // Give the merchant at least the deposit fee, otherwise it'll reject - // the coin. - if (coinSpend.cmp(feeDeposit) < 0) { - coinSpend = feeDeposit; - } - - const newAmount = new native.Amount(cd.coin.currentAmount); - newAmount.sub(coinSpend); - cd.coin.currentAmount = newAmount.toJson(); - cd.coin.status = CoinStatus.PurchasePending; - - const d = new native.DepositRequestPS({ - amount_with_fee: coinSpend.toNbo(), - coin_pub: native.EddsaPublicKey.fromCrock(cd.coin.coinPub), - deposit_fee: new native.Amount(cd.denom.feeDeposit).toNbo(), - h_contract: native.HashCode.fromCrock(contractTermsHash), - h_wire: native.HashCode.fromCrock(contractTerms.H_wire), - merchant: native.EddsaPublicKey.fromCrock(contractTerms.merchant_pub), - refund_deadline: native.AbsoluteTimeNbo.fromTalerString( - contractTerms.refund_deadline, - ), - timestamp: native.AbsoluteTimeNbo.fromTalerString( - contractTerms.timestamp, - ), - }); - - const coinSig = native - .eddsaSign( - d.toPurpose(), - native.EddsaPrivateKey.fromCrock(cd.coin.coinPriv), - ) - .toCrock(); - - const s: CoinPaySig = { - coin_pub: cd.coin.coinPub, - coin_sig: coinSig, - contribution: Amounts.toString(coinSpend.toJson()), - denom_pub: cd.coin.denomPub, - exchange_url: cd.denom.exchangeBaseUrl, - ub_sig: cd.coin.denomSig, - }; - ret.sigs.push(s); - ret.updatedCoins.push(cd.coin); - ret.originalCoins.push(originalCoin); - } - return ret; - } - - /** - * Create a new refresh session. - */ - export function createRefreshSession( - exchangeBaseUrl: string, - kappa: number, - meltCoin: CoinRecord, - newCoinDenoms: DenominationRecord[], - meltFee: AmountJson, - ): RefreshSessionRecord { - let valueWithFee = Amounts.getZero(newCoinDenoms[0].value.currency); - - for (const ncd of newCoinDenoms) { - valueWithFee = Amounts.add(valueWithFee, ncd.value, ncd.feeWithdraw) - .amount; - } - - // melt fee - valueWithFee = Amounts.add(valueWithFee, meltFee).amount; - - const sessionHc = new HashContext(); - - const transferPubs: string[] = []; - const transferPrivs: string[] = []; - - const preCoinsForGammas: RefreshPreCoinRecord[][] = []; - - for (let i = 0; i < kappa; i++) { - const t = native.EcdhePrivateKey.create(); - const pub = t.getPublicKey(); - sessionHc.read(pub); - transferPrivs.push(t.toCrock()); - transferPubs.push(pub.toCrock()); - } - - for (const denom of newCoinDenoms) { - const r = native.RsaPublicKey.fromCrock(denom.denomPub); - sessionHc.read(r.encode()); - } +import { CryptoImplementation } from "./cryptoImplementation"; +import { EmscEnvironment } from "./emscInterface"; - sessionHc.read(native.EddsaPublicKey.fromCrock(meltCoin.coinPub)); - sessionHc.read(new native.Amount(valueWithFee).toNbo()); - - for (let i = 0; i < kappa; i++) { - const preCoins: RefreshPreCoinRecord[] = []; - for (let j = 0; j < newCoinDenoms.length; j++) { - const transferPriv = native.EcdhePrivateKey.fromCrock(transferPrivs[i]); - const oldCoinPub = native.EddsaPublicKey.fromCrock(meltCoin.coinPub); - const transferSecret = native.ecdhEddsa(transferPriv, oldCoinPub); - - const fresh = native.setupFreshCoin(transferSecret, j); - - const coinPriv = fresh.priv; - const coinPub = coinPriv.getPublicKey(); - const blindingFactor = fresh.blindingKey; - const pubHash: native.HashCode = coinPub.hash(); - const denomPub = native.RsaPublicKey.fromCrock( - newCoinDenoms[j].denomPub, - ); - const ev = native.rsaBlind(pubHash, blindingFactor, denomPub); - if (!ev) { - throw Error("couldn't blind (malicious exchange key?)"); - } - const preCoin: RefreshPreCoinRecord = { - blindingKey: blindingFactor.toCrock(), - coinEv: ev.toCrock(), - privateKey: coinPriv.toCrock(), - publicKey: coinPub.toCrock(), - }; - preCoins.push(preCoin); - sessionHc.read(ev); - } - preCoinsForGammas.push(preCoins); - } - - const sessionHash = new HashCode(); - sessionHash.alloc(); - sessionHc.finish(sessionHash); - - const confirmData = new RefreshMeltCoinAffirmationPS({ - amount_with_fee: new Amount(valueWithFee).toNbo(), - coin_pub: EddsaPublicKey.fromCrock(meltCoin.coinPub), - melt_fee: new Amount(meltFee).toNbo(), - session_hash: sessionHash, - }); - - const confirmSig: string = native - .eddsaSign( - confirmData.toPurpose(), - native.EddsaPrivateKey.fromCrock(meltCoin.coinPriv), - ) - .toCrock(); - - let valueOutput = Amounts.getZero(newCoinDenoms[0].value.currency); - for (const denom of newCoinDenoms) { - valueOutput = Amounts.add(valueOutput, denom.value).amount; - } - - const refreshSession: RefreshSessionRecord = { - confirmSig, - exchangeBaseUrl, - finished: false, - hash: sessionHash.toCrock(), - meltCoinPub: meltCoin.coinPub, - newDenomHashes: newCoinDenoms.map(d => d.denomPubHash), - newDenoms: newCoinDenoms.map(d => d.denomPub), - norevealIndex: undefined, - preCoinsForGammas, - transferPrivs, - transferPubs, - valueOutput, - valueWithFee, - }; - - return refreshSession; - } - - /** - * Hash a string including the zero terminator. - */ - export function hashString(str: string): string { - const b = native.ByteArray.fromStringWithNull(str); - return b.hash().toCrock(); - } - - /** - * Hash a denomination public key. - */ - export function hashDenomPub(denomPub: string): string { - return native.RsaPublicKey.fromCrock(denomPub) - .encode() - .hash() - .toCrock(); - } - - export function signCoinLink( - oldCoinPriv: string, - newDenomHash: string, - oldCoinPub: string, - transferPub: string, - coinEv: string, - ): string { - const coinEvHash = native.ByteArray.fromCrock(coinEv).hash(); - - const coinLink = new native.CoinLinkSignaturePS({ - coin_envelope_hash: coinEvHash, - h_denom_pub: native.HashCode.fromCrock(newDenomHash), - old_coin_pub: native.EddsaPublicKey.fromCrock(oldCoinPub), - transfer_pub: native.EcdhePublicKey.fromCrock(transferPub), - }); - - const coinPriv = native.EddsaPrivateKey.fromCrock(oldCoinPriv); - - const sig = native.eddsaSign(coinLink.toPurpose(), coinPriv); - - return sig.toCrock(); - } - - export function benchmark(repetitions: number): BenchmarkResult { - let time_hash = 0; - for (let i = 0; i < repetitions; i++) { - const start = timer.performanceNow(); - hashString("hello world"); - time_hash += timer.performanceNow() - start; - } - - let time_hash_big = 0; - const ba = new native.ByteArray(4096); - for (let i = 0; i < repetitions; i++) { - ba.randomize(native.RandomQuality.WEAK); - const start = timer.performanceNow(); - ba.hash(); - time_hash_big += timer.performanceNow() - start; - } - - let time_eddsa_create = 0; - for (let i = 0; i < repetitions; i++) { - const start = timer.performanceNow(); - const priv: native.EddsaPrivateKey = native.EddsaPrivateKey.create(); - time_eddsa_create += timer.performanceNow() - start; - priv.destroy(); - } - - let time_eddsa_sign = 0; - const eddsaPriv: native.EddsaPrivateKey = native.EddsaPrivateKey.create(); - const eddsaPub: native.EddsaPublicKey = eddsaPriv.getPublicKey(); - const h: native.HashCode = new native.HashCode(); - h.alloc(); - h.random(native.RandomQuality.WEAK); - - const ps = new native.PaymentSignaturePS({ - contract_hash: h, - }); - - const p = ps.toPurpose(); - - for (let i = 0; i < repetitions; i++) { - const start = timer.performanceNow(); - native.eddsaSign(p, eddsaPriv); - time_eddsa_sign += timer.performanceNow() - start; - } - - const eddsaSig = native.eddsaSign(p, eddsaPriv); - - let time_ecdsa_create = 0; - for (let i = 0; i < repetitions; i++) { - const start = timer.performanceNow(); - const priv: native.EcdsaPrivateKey = native.EcdsaPrivateKey.create(); - time_ecdsa_create += timer.performanceNow() - start; - priv.destroy(); - } - - let time_eddsa_verify = 0; - for (let i = 0; i < repetitions; i++) { - const start = timer.performanceNow(); - native.eddsaVerify( - native.SignaturePurpose.MERCHANT_PAYMENT_OK, - p, - eddsaSig, - eddsaPub, - ); - time_eddsa_verify += timer.performanceNow() - start; - } - - /* rsa 2048 */ - - let time_rsa_2048_blind = 0; - const rsaPriv2048: native.RsaPrivateKey = native.RsaPrivateKey.create(2048); - const rsaPub2048 = rsaPriv2048.getPublicKey(); - const blindingSecret2048 = native.RsaBlindingKeySecret.create(); - for (let i = 0; i < repetitions; i++) { - const start = timer.performanceNow(); - native.rsaBlind(h, blindingSecret2048, rsaPub2048); - time_rsa_2048_blind += timer.performanceNow() - start; - } - - const blindedMessage2048 = native.rsaBlind( - h, - blindingSecret2048, - rsaPub2048, - ); - if (!blindedMessage2048) { - throw Error("should not happen"); - } - const rsaBlindSig2048 = native.rsaSignBlinded( - rsaPriv2048, - blindedMessage2048, - ); - - let time_rsa_2048_unblind = 0; - for (let i = 0; i < repetitions; i++) { - const start = timer.performanceNow(); - native.rsaUnblind(rsaBlindSig2048, blindingSecret2048, rsaPub2048); - time_rsa_2048_unblind += timer.performanceNow() - start; - } - - const unblindedSig2048 = native.rsaUnblind( - rsaBlindSig2048, - blindingSecret2048, - rsaPub2048, - ); - - let time_rsa_2048_verify = 0; - for (let i = 0; i < repetitions; i++) { - const start = timer.performanceNow(); - native.rsaVerify(h, unblindedSig2048, rsaPub2048); - time_rsa_2048_verify += timer.performanceNow() - start; - } - - /* rsa 4096 */ - - let time_rsa_4096_blind = 0; - const rsaPriv4096: native.RsaPrivateKey = native.RsaPrivateKey.create(4096); - const rsaPub4096 = rsaPriv4096.getPublicKey(); - const blindingSecret4096 = native.RsaBlindingKeySecret.create(); - for (let i = 0; i < repetitions; i++) { - const start = timer.performanceNow(); - native.rsaBlind(h, blindingSecret4096, rsaPub4096); - time_rsa_4096_blind += timer.performanceNow() - start; - } - - const blindedMessage4096 = native.rsaBlind( - h, - blindingSecret4096, - rsaPub4096, - ); - if (!blindedMessage4096) { - throw Error("should not happen"); - } - const rsaBlindSig4096 = native.rsaSignBlinded( - rsaPriv4096, - blindedMessage4096, - ); - - let time_rsa_4096_unblind = 0; - for (let i = 0; i < repetitions; i++) { - const start = timer.performanceNow(); - native.rsaUnblind(rsaBlindSig4096, blindingSecret4096, rsaPub4096); - time_rsa_4096_unblind += timer.performanceNow() - start; - } - - const unblindedSig4096 = native.rsaUnblind( - rsaBlindSig4096, - blindingSecret4096, - rsaPub4096, - ); - - let time_rsa_4096_verify = 0; - for (let i = 0; i < repetitions; i++) { - const start = timer.performanceNow(); - native.rsaVerify(h, unblindedSig4096, rsaPub4096); - time_rsa_4096_verify += timer.performanceNow() - start; - } +const worker: Worker = (self as any) as Worker; - return { - repetitions, - time: { - hash_small: time_hash, - hash_big: time_hash_big, - eddsa_create: time_eddsa_create, - eddsa_sign: time_eddsa_sign, - eddsa_verify: time_eddsa_verify, - ecdsa_create: time_ecdsa_create, - rsa_2048_blind: time_rsa_2048_blind, - rsa_2048_unblind: time_rsa_2048_unblind, - rsa_2048_verify: time_rsa_2048_verify, - rsa_4096_blind: time_rsa_4096_blind, - rsa_4096_unblind: time_rsa_4096_unblind, - rsa_4096_verify: time_rsa_4096_verify, - }, - }; - } -} +let impl: CryptoImplementation | undefined; -const worker: Worker = (self as any) as Worker; worker.onmessage = (msg: MessageEvent) => { - if (!Array.isArray(msg.data.args)) { + const args = msg.data.args; + if (!Array.isArray(args)) { console.error("args must be array"); return; } - if (typeof msg.data.id !== "number") { + const id = msg.data.id; + if (typeof id !== "number") { console.error("RPC id must be number"); + return; } - if (typeof msg.data.operation !== "string") { + const operation = msg.data.operation; + if (typeof operation !== "string") { console.error("RPC operation must be string"); - } - const f = (RpcFunctions as any)[msg.data.operation]; - if (!f) { - console.error(`unknown operation: '${msg.data.operation}'`); return; } - if (RpcFunctions.enableTracing) { - console.log("onmessage with", msg.data.operation); + if (CryptoImplementation.enableTracing) { + console.log("onmessage with", operation); } emscLoader.getLib().then(p => { const lib = p.lib; - if (!native.isInitialized()) { - if (RpcFunctions.enableTracing) { - console.log("initializing emscripten for then first time with lib"); - } - native.initialize(lib); + const emsc = new EmscEnvironment(lib); + const impl = new CryptoImplementation(emsc); + + if (!(operation in impl)) { + console.error(`unknown operation: '${operation}'`); + return; } - if (RpcFunctions.enableTracing) { - console.log("about to execute", msg.data.operation); + + if (CryptoImplementation.enableTracing) { + console.log("about to execute", operation); } - const res = f(...msg.data.args); - if (RpcFunctions.enableTracing) { - console.log("finished executing", msg.data.operation); + + const result = (impl as any)[operation](...args); + + if (CryptoImplementation.enableTracing) { + console.log("finished executing", operation); } - worker.postMessage({ result: res, id: msg.data.id }); + worker.postMessage({ result, id }); }); }; |