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fix: group cipher signatures

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This commit is contained in:
Adhiraj Singh
2023-03-18 12:24:19 +05:30
parent a4ecac788c
commit 2eea17fe9f
3 changed files with 5 additions and 5 deletions
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2
WASignalGroup/group_cipher.js
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@@ -41,7 +41,7 @@ class GroupCipher {
const senderKeyMessage = new SenderKeyMessage(null, null, null, null, senderKeyMessageBytes); const senderKeyMessage = new SenderKeyMessage(null, null, null, null, senderKeyMessageBytes);
const senderKeyState = record.getSenderKeyState(senderKeyMessage.getKeyId()); const senderKeyState = record.getSenderKeyState(senderKeyMessage.getKeyId());
//senderKeyMessage.verifySignature(senderKeyState.getSigningKeyPublic()); senderKeyMessage.verifySignature(senderKeyState.getSigningKeyPublic());
const senderKey = this.getSenderKey(senderKeyState, senderKeyMessage.getIteration()); const senderKey = this.getSenderKey(senderKeyState, senderKeyMessage.getIteration());
// senderKeyState.senderKeyStateStructure.senderSigningKey.private = // senderKeyState.senderKeyStateStructure.senderSigningKey.private =

2
WASignalGroup/sender_key_distribution_message.js
View File

@@ -17,7 +17,7 @@ class SenderKeyDistributionMessage extends CiphertextMessage {
const distributionMessage = protobufs.SenderKeyDistributionMessage.decode( const distributionMessage = protobufs.SenderKeyDistributionMessage.decode(
message message
).toJSON(); );
this.serialized = serialized; this.serialized = serialized;
this.id = distributionMessage.id; this.id = distributionMessage.id;
this.iteration = distributionMessage.iteration; this.iteration = distributionMessage.iteration;

6
WASignalGroup/sender_key_message.js
View File

@@ -17,8 +17,8 @@ class SenderKeyMessage extends CiphertextMessage {
const version = serialized[0]; const version = serialized[0];
const message = serialized.slice(1, serialized.length - this.SIGNATURE_LENGTH); const message = serialized.slice(1, serialized.length - this.SIGNATURE_LENGTH);
const signature = serialized.slice(-1 * this.SIGNATURE_LENGTH); const signature = serialized.slice(-1 * this.SIGNATURE_LENGTH);
const senderKeyMessage = protobufs.SenderKeyMessage.decode(message).toJSON(); const senderKeyMessage = protobufs.SenderKeyMessage.decode(message);
senderKeyMessage.ciphertext = Buffer.from(senderKeyMessage.ciphertext, 'base64'); senderKeyMessage.ciphertext = senderKeyMessage.ciphertext;
this.serialized = serialized; this.serialized = serialized;
this.messageVersion = (version & 0xff) >> 4; this.messageVersion = (version & 0xff) >> 4;
@@ -64,7 +64,7 @@ class SenderKeyMessage extends CiphertextMessage {
} }
verifySignature(signatureKey) { verifySignature(signatureKey) {
const part1 = this.serialized.slice(0, this.serialized.length - this.SIGNATURE_LENGTH + 1); const part1 = this.serialized.slice(0, this.serialized.length - this.SIGNATURE_LENGTH);
const part2 = this.serialized.slice(-1 * this.SIGNATURE_LENGTH); const part2 = this.serialized.slice(-1 * this.SIGNATURE_LENGTH);
const res = curve.verifySignature(signatureKey, part1, part2); const res = curve.verifySignature(signatureKey, part1, part2);
if (!res) throw new Error('Invalid signature!'); if (!res) throw new Error('Invalid signature!');