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bitwarden-estensione-browser
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expose decrypt to bytes

This commit is contained in:
Kyle Spearrin 2018-09-10 12:13:30 -04:00
parent 4927d0d907
commit e240085351
2 changed files with 5 additions and 4 deletions
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1
src/abstractions/crypto.service.ts
View File

@ -36,6 +36,7 @@ export abstract class CryptoService {
encrypt: (plainValue: string | ArrayBuffer, key?: SymmetricCryptoKey) => Promise<CipherString>;
encryptToBytes: (plainValue: ArrayBuffer, key?: SymmetricCryptoKey) => Promise<ArrayBuffer>;
rsaEncrypt: (data: ArrayBuffer, publicKey?: ArrayBuffer, key?: SymmetricCryptoKey) => Promise<CipherString>;
decryptToBytes: (cipherString: CipherString, key?: SymmetricCryptoKey) => Promise<ArrayBuffer>;
decryptToUtf8: (cipherString: CipherString, key?: SymmetricCryptoKey) => Promise<string>;
decryptFromBytes: (encBuf: ArrayBuffer, key: SymmetricCryptoKey) => Promise<ArrayBuffer>;
randomNumber: (min: number, max: number) => Promise<number>;

8
src/services/crypto.service.ts
View File

@ -120,10 +120,10 @@ export class CryptoService implements CryptoServiceAbstraction {
let decEncKey: ArrayBuffer;
const encKeyCipher = new CipherString(encKey);
if (encKeyCipher.encryptionType === EncryptionType.AesCbc256_B64) {
decEncKey = await this.decrypt(encKeyCipher, key);
decEncKey = await this.decryptToBytes(encKeyCipher, key);
} else if (encKeyCipher.encryptionType === EncryptionType.AesCbc256_HmacSha256_B64) {
const newKey = await this.stretchKey(key);
decEncKey = await this.decrypt(encKeyCipher, newKey);
decEncKey = await this.decryptToBytes(encKeyCipher, newKey);
} else {
throw new Error('Unsupported encKey type.');
}
@ -159,7 +159,7 @@ export class CryptoService implements CryptoServiceAbstraction {
return null;
}
this.privateKey = await this.decrypt(new CipherString(encPrivateKey), null);
this.privateKey = await this.decryptToBytes(new CipherString(encPrivateKey), null);
return this.privateKey;
}
@ -383,7 +383,7 @@ export class CryptoService implements CryptoServiceAbstraction {
return new CipherString(type, Utils.fromBufferToB64(encBytes), null, mac);
}
async decrypt(cipherString: CipherString, key?: SymmetricCryptoKey): Promise<ArrayBuffer> {
async decryptToBytes(cipherString: CipherString, key?: SymmetricCryptoKey): Promise<ArrayBuffer> {
const iv = Utils.fromB64ToArray(cipherString.iv).buffer;
const data = Utils.fromB64ToArray(cipherString.data).buffer;
const mac = cipherString.mac ? Utils.fromB64ToArray(cipherString.mac).buffer : null;