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-rw-r--r--packages/meshbay-hub/src/meshbay_hub/static/transport-chat.js7
1 files changed, 5 insertions, 2 deletions
diff --git a/packages/meshbay-hub/src/meshbay_hub/static/transport-chat.js b/packages/meshbay-hub/src/meshbay_hub/static/transport-chat.js
index f0604ce..e49eb4c 100644
--- a/packages/meshbay-hub/src/meshbay_hub/static/transport-chat.js
+++ b/packages/meshbay-hub/src/meshbay_hub/static/transport-chat.js
@@ -172,8 +172,11 @@ extendTransport(class {
const { nonce, ct } = await C.sealChat(
epochKey, gid, epoch, this.devicePk, plaintext);
const device = C.b64decode(this.devicePk);
- const sig = C.b64decode(await this._identity.sign(
- C.chatSigningTranscript(gid, epoch, device, nonce, ct)));
+ // The transcript names the signing device as this identity's own key,
+ // which is what `devicePk` is once the node has been told (device_hello).
+ const sig = C.b64decode(await this._identity.signAs('chat', {
+ groupId: gid, epoch, nonce: C.b64encode(nonce), ct: C.b64encode(ct),
+ }));
const msg = await this._sendAndWait({
type: 'chat_msg',