| /* GENERATED SOURCE. DO NOT MODIFY. */ |
| package com.android.org.bouncycastle.crypto.signers; |
| |
| import java.math.BigInteger; |
| import java.security.SecureRandom; |
| |
| /** |
| * Interface define calculators of K values for DSA/ECDSA. |
| * @hide This class is not part of the Android public SDK API |
| */ |
| public interface DSAKCalculator |
| { |
| /** |
| * Return true if this calculator is deterministic, false otherwise. |
| * |
| * @return true if deterministic, otherwise false. |
| */ |
| boolean isDeterministic(); |
| |
| /** |
| * Non-deterministic initialiser. |
| * |
| * @param n the order of the DSA group. |
| * @param random a source of randomness. |
| */ |
| void init(BigInteger n, SecureRandom random); |
| |
| /** |
| * Deterministic initialiser. |
| * |
| * @param n the order of the DSA group. |
| * @param d the DSA private value. |
| * @param message the message being signed. |
| */ |
| void init(BigInteger n, BigInteger d, byte[] message); |
| |
| /** |
| * Return the next valid value of K. |
| * |
| * @return a K value. |
| */ |
| BigInteger nextK(); |
| } |