| package org.bouncycastle.crypto.agreement.kdf; |
| |
| import org.bouncycastle.crypto.DerivationParameters; |
| |
| /** |
| * BSI Key Derivation Function Parameters for Session Keys (see BSI-TR-03111 Section 4.3.3) |
| */ |
| public class GSKKDFParameters |
| implements DerivationParameters |
| { |
| private final byte[] z; |
| private final int startCounter; |
| private final byte[] nonce; |
| |
| public GSKKDFParameters(byte[] z, int startCounter) |
| { |
| this(z, startCounter, null); |
| } |
| |
| public GSKKDFParameters(byte[] z, int startCounter, byte[] nonce) |
| { |
| this.z = z; |
| this.startCounter = startCounter; |
| this.nonce = nonce; |
| } |
| |
| public byte[] getZ() |
| { |
| return z; |
| } |
| |
| public int getStartCounter() |
| { |
| return startCounter; |
| } |
| |
| public byte[] getNonce() |
| { |
| return nonce; |
| } |
| } |