Crypto: Add X25519DH vectors

and add note about public key high bit
2024-02-06 08:18:02 -05:00
parent 92a649d655
commit 91f5bb3540
2 changed files with 72 additions and 0 deletions
--- a/core/java/src/com/southernstorm/noise/crypto/x25519/Curve25519.java
+++ b/core/java/src/com/southernstorm/noise/crypto/x25519/Curve25519.java
@@ -469,6 +469,7 @@ public final class Curve25519 {
 	 * @param offset Offset into the result buffer.
 	 * @param privateKey The private key to use in the evaluation.
 	 * @param publicKey The public key to use in the evaluation, or null
+	 *                  MUST have MSB high bit cleared, i.e. publicKey[31] &amp; 0x80 == 0
 	 * if the base point of the curve should be used.
 	 */
 	public static void eval(byte[] result, int offset, byte[] privateKey, byte[] publicKey)