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Alternative without createKeyMaterialFromBuffer

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Timo
2025-05-19 17:00:15 +02:00
parent c76fa6633d
commit 832972b255
1 changed files with 24 additions and 15 deletions
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39
src/e2ee/matrixKeyProvider.ts
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@@ -5,7 +5,7 @@ SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
Please see LICENSE in the repository root for full details. Please see LICENSE in the repository root for full details.
*/ */
import { BaseKeyProvider, createKeyMaterialFromBuffer } from "livekit-client"; import { BaseKeyProvider } from "livekit-client";
import { logger } from "matrix-js-sdk/lib/logger"; import { logger } from "matrix-js-sdk/lib/logger";
import { import {
type MatrixRTCSession, type MatrixRTCSession,
@@ -44,20 +44,29 @@ export class MatrixKeyProvider extends BaseKeyProvider {
encryptionKeyIndex: number, encryptionKeyIndex: number,
participantId: string, participantId: string,
): void => { ): void => {
createKeyMaterialFromBuffer(encryptionKey.buffer as ArrayBuffer).then( crypto.subtle
(keyMaterial) => { .importKey("raw", encryptionKey, "HKDF", false, [
this.onSetEncryptionKey(keyMaterial, participantId, encryptionKeyIndex); "deriveBits",
"deriveKey",
])
.then(
(keyMaterial) => {
this.onSetEncryptionKey(
keyMaterial,
participantId,
encryptionKeyIndex,
);
logger.debug( logger.debug(
`Sent new key to livekit room=${this.rtcSession?.room.roomId} participantId=${participantId} encryptionKeyIndex=${encryptionKeyIndex}`, `Sent new key to livekit room=${this.rtcSession?.room.roomId} participantId=${participantId} encryptionKeyIndex=${encryptionKeyIndex}`,
); );
}, },
(e) => { (e) => {
logger.error( logger.error(
`Failed to create key material from buffer for livekit room=${this.rtcSession?.room.roomId} participantId=${participantId} encryptionKeyIndex=${encryptionKeyIndex}`, `Failed to create key material from buffer for livekit room=${this.rtcSession?.room.roomId} participantId=${participantId} encryptionKeyIndex=${encryptionKeyIndex}`,
e, e,
); );
}, },
); );
}; };
} }