org.bouncycastle.pqc.crypto.xmss.WOTSPlusPublicKeyParameters Maven / Gradle / Ivy

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The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8 with debug enabled.

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package org.bouncycastle.pqc.crypto.xmss;

/**
 * WOTS+ public key.
 *
 */
public final class WOTSPlusPublicKeyParameters {

	private final byte[][] publicKey;

	protected WOTSPlusPublicKeyParameters(WOTSPlusParameters params, byte[][] publicKey) {
		super();
		if (params == null) {
			throw new NullPointerException("params == null");
		}
		if (publicKey == null) {
			throw new NullPointerException("publicKey == null");
		}
		if (XMSSUtil.hasNullPointer(publicKey)) {
			throw new NullPointerException("publicKey byte array == null");
		}
		if (publicKey.length != params.getLen()) {
			throw new IllegalArgumentException("wrong publicKey size");
		}
		for (int i = 0; i < publicKey.length; i++) {
			if (publicKey[i].length != params.getDigestSize()) {
				throw new IllegalArgumentException("wrong publicKey format");
			}
		}
		this.publicKey = XMSSUtil.cloneArray(publicKey);
	}

	protected byte[][] toByteArray() {
		return XMSSUtil.cloneArray(publicKey);
	}
}