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Code Issues Releases Wiki Activity

remove some crypto functions

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This commit is contained in:
Kyle Spearrin
2018-05-07 12:14:40 -04:00
parent dfcde8a29a
commit e614cffffb
6 changed files with 39 additions and 39 deletions
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6
src/services/webCryptoFunction.service.ts
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@@ -69,7 +69,7 @@ export class WebCryptoFunctionService implements CryptoFunctionService {
// Safely compare two values in a way that protects against timing attacks (Double HMAC Verification).
// ref: https://www.nccgroup.trust/us/about-us/newsroom-and-events/blog/2011/february/double-hmac-verification/
// ref: https://paragonie.com/blog/2015/11/preventing-timing-attacks-on-string-comparison-with-double-hmac-strategy
async timeSafeEqual(a: ArrayBuffer, b: ArrayBuffer): Promise<boolean> {
async compare(a: ArrayBuffer, b: ArrayBuffer): Promise<boolean> {
const macKey = await this.randomBytes(32);
const signingAlgorithm = {
name: 'HMAC',
@@ -102,7 +102,7 @@ export class WebCryptoFunctionService implements CryptoFunctionService {
return Promise.resolve(bytes);
}
async timeSafeEqualFast(a: string, b: string): Promise<boolean> {
async compareFast(a: string, b: string): Promise<boolean> {
const rand = await this.randomBytes(32);
const bytes = new Uint32Array(rand);
const buffer = forge.util.createBuffer();
@@ -155,7 +155,7 @@ export class WebCryptoFunctionService implements CryptoFunctionService {
return Promise.resolve(val);
}
async aesDecryptLarge(data: ArrayBuffer, iv: ArrayBuffer, key: ArrayBuffer): Promise<ArrayBuffer> {
async aesDecrypt(data: ArrayBuffer, iv: ArrayBuffer, key: ArrayBuffer): Promise<ArrayBuffer> {
const impKey = await this.subtle.importKey('raw', key, { name: 'AES-CBC' }, false, ['decrypt']);
return await this.subtle.decrypt({ name: 'AES-CBC', iv: iv }, impKey, data);
}