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bitwarden-estensione-browser
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makeKeyFromPin in background context

This commit is contained in:
Kyle Spearrin 2019-03-05 16:36:11 -05:00
parent 39f3a0788d
commit cc27f98aae
3 changed files with 15 additions and 5 deletions
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1
src/abstractions/crypto.service.ts
View File

@ -30,6 +30,7 @@ export abstract class CryptoService {
clearKeys: () => Promise<any>; clearKeys: () => Promise<any>;
toggleKey: () => Promise<any>; toggleKey: () => Promise<any>;
makeKey: (password: string, salt: string, kdf: KdfType, kdfIterations: number) => Promise<SymmetricCryptoKey>; makeKey: (password: string, salt: string, kdf: KdfType, kdfIterations: number) => Promise<SymmetricCryptoKey>;
makeKeyFromPin: (pin: string, salt: string, kdf: KdfType, kdfIterations: number) => Promise<SymmetricCryptoKey>;
makeShareKey: () => Promise<[CipherString, SymmetricCryptoKey]>; makeShareKey: () => Promise<[CipherString, SymmetricCryptoKey]>;
makeKeyPair: (key?: SymmetricCryptoKey) => Promise<[string, CipherString]>; makeKeyPair: (key?: SymmetricCryptoKey) => Promise<[string, CipherString]>;
makePinKey: (pin: string, salt: string, kdf: KdfType, kdfIterations: number) => Promise<SymmetricCryptoKey>; makePinKey: (pin: string, salt: string, kdf: KdfType, kdfIterations: number) => Promise<SymmetricCryptoKey>;

7
src/angular/components/lock.component.ts
View File

@ -66,12 +66,9 @@ export class LockComponent implements OnInit {
this.doContinue(); this.doContinue();
} }
} else { } else {
const pinProtectedKey = await this.storageService.get<string>(ConstantsService.pinProtectedKey); const key = await this.cryptoService.makeKeyFromPin(this.pin, this.email, kdf, kdfIterations);
const protectedKeyCs = new CipherString(pinProtectedKey);
const pinKey = await this.cryptoService.makePinKey(this.pin, this.email, kdf, kdfIterations);
const decKey = await this.cryptoService.decryptToBytes(protectedKeyCs, pinKey);
failed = false; failed = false;
await this.setKeyAndContinue(new SymmetricCryptoKey(decKey)); await this.setKeyAndContinue(key);
} }
} catch { } catch {
failed = true; failed = true;

12
src/services/crypto.service.ts
View File

@ -310,6 +310,18 @@ export class CryptoService implements CryptoServiceAbstraction {
return new SymmetricCryptoKey(key); return new SymmetricCryptoKey(key);
} }
async makeKeyFromPin(pin: string, salt: string, kdf: KdfType, kdfIterations: number):
Promise<SymmetricCryptoKey> {
const pinProtectedKey = await this.storageService.get<string>(ConstantsService.pinProtectedKey);
if (pinProtectedKey == null) {
throw new Error('No PIN protected key found.');
}
const protectedKeyCs = new CipherString(pinProtectedKey);
const pinKey = await this.makePinKey(pin, salt, kdf, kdfIterations);
const decKey = await this.decryptToBytes(protectedKeyCs, pinKey);
return new SymmetricCryptoKey(decKey);
}
async makeShareKey(): Promise<[CipherString, SymmetricCryptoKey]> { async makeShareKey(): Promise<[CipherString, SymmetricCryptoKey]> {
const shareKey = await this.cryptoFunctionService.randomBytes(64); const shareKey = await this.cryptoFunctionService.randomBytes(64);
const publicKey = await this.getPublicKey(); const publicKey = await this.getPublicKey();