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Remove old symmetric key representations in symmetriccryptokey

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This commit is contained in:
Bernd Schoolmann
2025-02-27 11:43:20 +01:00
parent 8cfe331a00
commit 84daf34ae2
13 changed files with 108 additions and 107 deletions
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40
libs/node/src/services/node-crypto-function.service.ts
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@@ -3,6 +3,7 @@ import * as crypto from "crypto";
import * as forge from "node-forge";
import { CryptoFunctionService } from "@bitwarden/common/platform/abstractions/crypto-function.service";
import { EncryptionType } from "@bitwarden/common/platform/enums";
import { Utils } from "@bitwarden/common/platform/misc/utils";
import {
CbcDecryptParameters,
@@ -172,24 +173,33 @@ export class NodeCryptoFunctionService implements CryptoFunctionService {
mac: string | null,
key: SymmetricCryptoKey,
): CbcDecryptParameters<Uint8Array> {
const p = {} as CbcDecryptParameters<Uint8Array>;
p.encKey = key.encKey;
p.data = Utils.fromB64ToArray(data);
p.iv = Utils.fromB64ToArray(iv);
const dataBytes = Utils.fromB64ToArray(data);
const ivBytes = Utils.fromB64ToArray(iv);
const macBytes = mac != null ? Utils.fromB64ToArray(mac) : null;
const macData = new Uint8Array(p.iv.byteLength + p.data.byteLength);
macData.set(new Uint8Array(p.iv), 0);
macData.set(new Uint8Array(p.data), p.iv.byteLength);
p.macData = macData;
const innerKey = key.inner();
if (key.macKey != null) {
p.macKey = key.macKey;
if (innerKey.type === EncryptionType.AesCbc256_B64) {
return {
iv: ivBytes,
data: dataBytes,
encKey: innerKey.encryptionKey,
} as CbcDecryptParameters<Uint8Array>;
} else if (innerKey.type === EncryptionType.AesCbc256_HmacSha256_B64) {
const macData = new Uint8Array(ivBytes.length + dataBytes.length);
macData.set(ivBytes, 0);
macData.set(dataBytes, ivBytes.length);
return {
iv: ivBytes,
data: dataBytes,
mac: macBytes,
macData: macData,
encKey: innerKey.encryptionKey,
macKey: innerKey.authenticationKey,
} as CbcDecryptParameters<Uint8Array>;
} else {
throw new Error("Unsupported encryption type");
}
if (mac != null) {
p.mac = Utils.fromB64ToArray(mac);
}
return p;
}
async aesDecryptFast({