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Backwards compatibility updates for libsignal-client

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This commit is contained in:
Scott Nonnenberg 2021-02-12 09:43:24 -08:00
parent 34285054f6
commit bc0f4387fe
4 changed files with 28 additions and 6 deletions
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12
preload.js
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@ -534,6 +534,18 @@ try {
},
createKeyPair: incomingKey => {
const incomingKeyBuffer = Buffer.from(incomingKey);
if (incomingKeyBuffer.length !== 32) {
throw new Error('key must be 32 bytes long');
}
// eslint-disable-next-line no-bitwise
incomingKeyBuffer[0] &= 248;
// eslint-disable-next-line no-bitwise
incomingKeyBuffer[31] &= 127;
// eslint-disable-next-line no-bitwise
incomingKeyBuffer[31] |= 64;
const privKey = client.PrivateKey.deserialize(incomingKeyBuffer);
const pubKey = privKey.getPublicKey();