93 lines
3.2 KiB
Java
93 lines
3.2 KiB
Java
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package org.bouncycastle.pqc.jcajce.provider.mceliece;
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import java.io.IOException;
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import java.security.PublicKey;
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import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
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import org.bouncycastle.asn1.x509.SubjectPublicKeyInfo;
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import org.bouncycastle.crypto.CipherParameters;
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import org.bouncycastle.crypto.params.AsymmetricKeyParameter;
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import org.bouncycastle.pqc.asn1.McElieceCCA2PublicKey;
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import org.bouncycastle.pqc.asn1.PQCObjectIdentifiers;
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import org.bouncycastle.pqc.crypto.mceliece.McElieceCCA2PublicKeyParameters;
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import org.bouncycastle.pqc.math.linearalgebra.GF2Matrix;
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/* loaded from: classes6.dex */
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public class BCMcElieceCCA2PublicKey implements CipherParameters, PublicKey {
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private static final long serialVersionUID = 1;
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private McElieceCCA2PublicKeyParameters params;
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public String toString() {
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StringBuilder sb = new StringBuilder("McEliecePublicKey:\n length of the code : ");
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sb.append(this.params.getN());
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sb.append("\n");
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String obj = sb.toString();
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StringBuilder sb2 = new StringBuilder();
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sb2.append(obj);
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sb2.append(" error correction capability: ");
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sb2.append(this.params.getT());
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sb2.append("\n");
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String obj2 = sb2.toString();
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StringBuilder sb3 = new StringBuilder();
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sb3.append(obj2);
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sb3.append(" generator matrix : ");
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sb3.append(this.params.getG().toString());
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return sb3.toString();
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}
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public int hashCode() {
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return ((this.params.getN() + (this.params.getT() * 37)) * 37) + this.params.getG().hashCode();
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}
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public int getT() {
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return this.params.getT();
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}
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public int getN() {
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return this.params.getN();
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public AsymmetricKeyParameter getKeyParams() {
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return this.params;
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}
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public int getK() {
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return this.params.getK();
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}
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public GF2Matrix getG() {
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return this.params.getG();
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}
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@Override // java.security.Key
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public String getFormat() {
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return "X.509";
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}
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@Override // java.security.Key
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public byte[] getEncoded() {
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try {
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return new SubjectPublicKeyInfo(new AlgorithmIdentifier(PQCObjectIdentifiers.mcElieceCca2), new McElieceCCA2PublicKey(this.params.getN(), this.params.getT(), this.params.getG(), Utils.getDigAlgId(this.params.getDigest()))).getEncoded();
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} catch (IOException unused) {
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return null;
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}
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}
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@Override // java.security.Key
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public String getAlgorithm() {
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return "McEliece-CCA2";
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}
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public boolean equals(Object obj) {
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if (obj == null || !(obj instanceof BCMcElieceCCA2PublicKey)) {
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return false;
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}
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BCMcElieceCCA2PublicKey bCMcElieceCCA2PublicKey = (BCMcElieceCCA2PublicKey) obj;
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return this.params.getN() == bCMcElieceCCA2PublicKey.getN() && this.params.getT() == bCMcElieceCCA2PublicKey.getT() && this.params.getG().equals(bCMcElieceCCA2PublicKey.getG());
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}
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public BCMcElieceCCA2PublicKey(McElieceCCA2PublicKeyParameters mcElieceCCA2PublicKeyParameters) {
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this.params = mcElieceCCA2PublicKeyParameters;
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}
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}
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