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Merge pull request ibmruntimes#274 from KostasTsiounis/zero_out
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Zero out previous key in native ChaCha20 cipher init
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keithc-ca authored Nov 9, 2023
2 parents b336934 + 1d1ad7a commit 3dfae78
Showing 1 changed file with 3 additions and 0 deletions.
Original file line number Diff line number Diff line change
Expand Up @@ -561,6 +561,9 @@ private void init(int opmode, Key key, byte[] newNonce)
// assigning them to the object.
byte[] newKeyBytes = getEncodedKey(key);
checkKeyAndNonce(newKeyBytes, newNonce);
if (this.keyBytes != null) {
Arrays.fill(this.keyBytes, (byte)0);
}
this.keyBytes = newKeyBytes;
nonce = newNonce;

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