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interface cryptoservice

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This commit is contained in:
Kyle Spearrin
2017-11-13 16:12:23 -05:00
parent 11f392b036
commit bed28aebaa
8 changed files with 52 additions and 19 deletions
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28
src/services/abstractions/crypto.service.ts Normal file
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@@ -0,0 +1,28 @@
import { CipherString } from '../../models/domain/cipherString';
import SymmetricCryptoKey from '../../models/domain/symmetricCryptoKey';
import { ProfileOrganizationResponse } from '../../models/response/profileOrganizationResponse';
export interface CryptoService {
setKey(key: SymmetricCryptoKey): Promise<any>;
setKeyHash(keyHash: string): Promise<{}>;
setEncKey(encKey: string): Promise<{}>;
setEncPrivateKey(encPrivateKey: string): Promise<{}>;
setOrgKeys(orgs: ProfileOrganizationResponse[]): Promise<{}>;
getKey(): Promise<SymmetricCryptoKey>;
getKeyHash(): Promise<string>;
getEncKey(): Promise<SymmetricCryptoKey>;
getPrivateKey(): Promise<ArrayBuffer>;
getOrgKeys(): Promise<Map<string, SymmetricCryptoKey>>;
getOrgKey(orgId: string): Promise<SymmetricCryptoKey>;
clearKeys(): Promise<any>;
toggleKey(): Promise<any>;
makeKey(password: string, salt: string): SymmetricCryptoKey;
hashPassword(password: string, key: SymmetricCryptoKey): Promise<string>;
makeEncKey(key: SymmetricCryptoKey): Promise<CipherString>;
encrypt(plainValue: string | Uint8Array, key?: SymmetricCryptoKey, plainValueEncoding?: string): Promise<CipherString>;
encryptToBytes(plainValue: ArrayBuffer, key?: SymmetricCryptoKey): Promise<ArrayBuffer>;
decrypt(cipherString: CipherString, key?: SymmetricCryptoKey, outputEncoding?: string): Promise<string>;
decryptFromBytes(encBuf: ArrayBuffer, key: SymmetricCryptoKey): Promise<ArrayBuffer>;
rsaDecrypt(encValue: string): Promise<string>;
}

22
src/services/crypto.service.ts
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@@ -8,6 +8,8 @@ import { ProfileOrganizationResponse } from '../models/response/profileOrganizat
import ConstantsService from './constants.service';
import UtilsService from './utils.service';
import { CryptoService as CryptoServiceInterface } from './abstractions/crypto.service';
const Keys = {
key: 'key',
encOrgKeys: 'encOrgKeys',
@@ -28,7 +30,7 @@ const AesAlgorithm = {
const Crypto = window.crypto;
const Subtle = Crypto.subtle;
export default class CryptoService {
export default class CryptoService implements CryptoServiceInterface {
private key: SymmetricCryptoKey;
private encKey: SymmetricCryptoKey;
private legacyEtmKey: SymmetricCryptoKey;
@@ -36,7 +38,7 @@ export default class CryptoService {
private privateKey: ArrayBuffer;
private orgKeys: Map<string, SymmetricCryptoKey>;
async setKey(key: SymmetricCryptoKey) {
async setKey(key: SymmetricCryptoKey): Promise<any> {
this.key = key;
const option = await UtilsService.getObjFromStorage<number>(ConstantsService.lockOptionKey);
@@ -53,7 +55,7 @@ export default class CryptoService {
return UtilsService.saveObjToStorage(Keys.keyHash, keyHash);
}
async setEncKey(encKey: string) {
async setEncKey(encKey: string): Promise<{}> {
if (encKey == null) {
return;
}
@@ -61,7 +63,7 @@ export default class CryptoService {
this.encKey = null;
}
async setEncPrivateKey(encPrivateKey: string) {
async setEncPrivateKey(encPrivateKey: string): Promise<{}> {
if (encPrivateKey == null) {
return;
}
@@ -246,7 +248,7 @@ export default class CryptoService {
await this.setKey(key);
}
makeKey(password: string, salt: string) {
makeKey(password: string, salt: string): SymmetricCryptoKey {
const keyBytes: string = forge.pbkdf2(forge.util.encodeUtf8(password), forge.util.encodeUtf8(salt),
5000, 256 / 8, 'sha256');
return new SymmetricCryptoKey(keyBytes);
@@ -270,7 +272,7 @@ export default class CryptoService {
}
async encrypt(plainValue: string | Uint8Array, key?: SymmetricCryptoKey,
plainValueEncoding: string = 'utf8'): Promise<CipherString> {
plainValueEncoding: string = 'utf8'): Promise<CipherString> {
if (!plainValue) {
return Promise.resolve(null);
}
@@ -308,7 +310,7 @@ export default class CryptoService {
}
async decrypt(cipherString: CipherString, key?: SymmetricCryptoKey,
outputEncoding: string = 'utf8'): Promise<string> {
outputEncoding: string = 'utf8'): Promise<string> {
const ivBytes: string = forge.util.decode64(cipherString.initializationVector);
const ctBytes: string = forge.util.decode64(cipherString.cipherText);
const macBytes: string = cipherString.mac ? forge.util.decode64(cipherString.mac) : null;
@@ -361,7 +363,7 @@ export default class CryptoService {
return await this.aesDecryptWC(encType, ctBytes.buffer, ivBytes.buffer, macBytes ? macBytes.buffer : null, key);
}
async rsaDecrypt(encValue: string) {
async rsaDecrypt(encValue: string): Promise<string> {
const headerPieces = encValue.split('.');
let encType: EncryptionType = null;
let encPieces: string[];
@@ -466,7 +468,7 @@ export default class CryptoService {
}
private async aesDecrypt(encType: EncryptionType, ctBytes: string, ivBytes: string, macBytes: string,
key: SymmetricCryptoKey): Promise<any> {
key: SymmetricCryptoKey): Promise<any> {
const keyForEnc = await this.getKeyForEncryption(key);
const theKey = this.resolveLegacyKey(encType, keyForEnc);
@@ -495,7 +497,7 @@ export default class CryptoService {
}
private async aesDecryptWC(encType: EncryptionType, ctBuf: ArrayBuffer, ivBuf: ArrayBuffer,
macBuf: ArrayBuffer, key: SymmetricCryptoKey): Promise<ArrayBuffer> {
macBuf: ArrayBuffer, key: SymmetricCryptoKey): Promise<ArrayBuffer> {
const theKey = await this.getKeyForEncryption(key);
const keyBuf = theKey.getBuffers();
const encKey = await Subtle.importKey('raw', keyBuf.encKey, AesAlgorithm, false, ['decrypt']);