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Key exchange improvements and logging

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This commit is contained in:
emad-salah 2021-07-23 18:08:52 +01:00
parent 6de0adb7bd
commit 774bbcae58
1 changed files with 13 additions and 0 deletions
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13
utils/ECC/index.js
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@ -41,6 +41,17 @@ const isEncryptedMessage = message =>
*/ */
const generateKeyPair = deviceId => { const generateKeyPair = deviceId => {
try { try {
const existingKey = nodeKeyPairs.get(deviceId)
if (existingKey) {
logger.warn('Device ID is already trusted')
return {
...existingKey,
publicKeyBase64: convertBufferToBase64(existingKey.publicKey),
privateKeyBase64: convertBufferToBase64(existingKey.privateKey)
}
}
const privateKey = ECCrypto.generatePrivate() const privateKey = ECCrypto.generatePrivate()
const publicKey = ECCrypto.getPublic(privateKey) const publicKey = ECCrypto.getPublic(privateKey)
const privateKeyBase64 = convertBufferToBase64(privateKey) const privateKeyBase64 = convertBufferToBase64(privateKey)
@ -149,8 +160,10 @@ const decryptMessage = async ({ encryptedMessage, deviceId }) => {
convertToEncryptedMessage(encryptedMessage) convertToEncryptedMessage(encryptedMessage)
) )
const parsedMessage = decryptedMessage.toString('utf8') const parsedMessage = decryptedMessage.toString('utf8')
return parsedMessage return parsedMessage
} catch (err) { } catch (err) {
logger.error(err)
if (err.message?.toLowerCase() === 'bad mac') { if (err.message?.toLowerCase() === 'bad mac') {
logger.error( logger.error(
'Bad Mac!', 'Bad Mac!',