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https://codeberg.org/Freeyourgadget/Gadgetbridge
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Huami/Xiaomi: Log session keys
It's otherwise impossible to troubleshoot issues from the logs, since the communication is encrypted.
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@ -159,9 +159,7 @@ public class InitOperation2021 extends InitOperation implements Huami2021Handler
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finalSharedSessionAES[i] = (byte) (sharedEC[i + 8] ^ secretKey[i]);
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finalSharedSessionAES[i] = (byte) (sharedEC[i + 8] ^ secretKey[i]);
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}
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}
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if (BuildConfig.DEBUG) {
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LOG.debug("Shared Session Key: {}", GB.hexdump(finalSharedSessionAES));
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LOG.debug("Shared Session Key: {}", GB.hexdump(finalSharedSessionAES));
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}
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huami2021ChunkedEncoder.setEncryptionParameters(encryptedSequenceNumber, finalSharedSessionAES);
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huami2021ChunkedEncoder.setEncryptionParameters(encryptedSequenceNumber, finalSharedSessionAES);
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huami2021ChunkedDecoder.setEncryptionParameters(finalSharedSessionAES);
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huami2021ChunkedDecoder.setEncryptionParameters(finalSharedSessionAES);
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@ -195,12 +195,10 @@ public class XiaomiAuthService extends AbstractXiaomiService {
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System.arraycopy(step2hmac, 32, decryptionNonce, 0, 4);
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System.arraycopy(step2hmac, 32, decryptionNonce, 0, 4);
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System.arraycopy(step2hmac, 36, encryptionNonce, 0, 4);
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System.arraycopy(step2hmac, 36, encryptionNonce, 0, 4);
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if (BuildConfig.DEBUG) {
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LOG.debug("decryptionKey: {}", GB.hexdump(decryptionKey));
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LOG.debug("decryptionKey: {}", GB.hexdump(decryptionKey));
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LOG.debug("encryptionKey: {}", GB.hexdump(encryptionKey));
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LOG.debug("encryptionKey: {}", GB.hexdump(encryptionKey));
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LOG.debug("decryptionNonce: {}", GB.hexdump(decryptionNonce));
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LOG.debug("decryptionNonce: {}", GB.hexdump(decryptionNonce));
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LOG.debug("encryptionNonce: {}", GB.hexdump(encryptionNonce));
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LOG.debug("encryptionNonce: {}", GB.hexdump(encryptionNonce));
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}
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final byte[] decryptionConfirmation = hmacSHA256(decryptionKey, ArrayUtils.addAll(watchNonce.getNonce().toByteArray(), nonce));
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final byte[] decryptionConfirmation = hmacSHA256(decryptionKey, ArrayUtils.addAll(watchNonce.getNonce().toByteArray(), nonce));
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if (!Arrays.equals(decryptionConfirmation, watchNonce.getHmac().toByteArray())) {
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if (!Arrays.equals(decryptionConfirmation, watchNonce.getHmac().toByteArray())) {
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