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Move AES-KW vector to const

This commit is contained in:
microshine 2019-03-02 10:25:12 +03:00
parent 6af540418f
commit 0c85a42cf7
1 changed files with 7 additions and 8 deletions
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15
src/mechs/aes/crypto.ts
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@ -8,6 +8,8 @@ const WRONG_KEY_TYPE = `Key must be instance of ${AesCryptoKey.name}`;
export class AesCrypto { export class AesCrypto {
public static AES_KW_IV = Buffer.from("A6A6A6A6A6A6A6A6", "hex");
public static async generateKey(algorithm: AesKeyGenParams, extractable: boolean, keyUsages: KeyUsage[]): Promise<AesCryptoKey> { public static async generateKey(algorithm: AesKeyGenParams, extractable: boolean, keyUsages: KeyUsage[]): Promise<AesCryptoKey> {
const key = new AesCryptoKey(); const key = new AesCryptoKey();
key.algorithm = algorithm; key.algorithm = algorithm;
@ -157,18 +159,15 @@ export class AesCrypto {
return new Uint8Array(dec).buffer; return new Uint8Array(dec).buffer;
} }
public static async encryptAesKW(algorithm: AesKeyAlgorithm, key: AesCryptoKey, data: Buffer) { public static async encryptAesKW(algorithm: Algorithm, key: AesCryptoKey, data: Buffer) {
const iv = Buffer.from("A6A6A6A6A6A6A6A6", "hex"); const cipher = crypto.createCipheriv(`id-aes${key.algorithm.length}-wrap`, key.data, this.AES_KW_IV);
const cipher = crypto.createCipheriv(`id-aes${key.algorithm.length}-wrap`, key.data, iv);
let enc = cipher.update(data); let enc = cipher.update(data);
enc = Buffer.concat([enc, cipher.final()]); enc = Buffer.concat([enc, cipher.final()]);
const res = new Uint8Array(enc).buffer; return new Uint8Array(enc).buffer;
return res;
} }
public static async decryptAesKW(algorithm: AesKeyAlgorithm, key: AesCryptoKey, data: Buffer) { public static async decryptAesKW(algorithm: Algorithm, key: AesCryptoKey, data: Buffer) {
const iv = Buffer.from("A6A6A6A6A6A6A6A6", "'hex"); const decipher = crypto.createDecipheriv(`id-aes${key.algorithm.length}-wrap`, key.data, this.AES_KW_IV);
const decipher = crypto.createDecipheriv(`id-aes${key.algorithm.length}-wrap`, key.data, iv);
let dec = decipher.update(data); let dec = decipher.update(data);
dec = Buffer.concat([dec, decipher.final()]); dec = Buffer.concat([dec, decipher.final()]);
return new Uint8Array(dec).buffer; return new Uint8Array(dec).buffer;