83 lines
2.8 KiB
Java
83 lines
2.8 KiB
Java
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package org.bouncycastle.pqc.jcajce.provider.newhope;
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import java.io.IOException;
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import org.bouncycastle.asn1.ASN1OctetString;
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import org.bouncycastle.asn1.DEROctetString;
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import org.bouncycastle.asn1.pkcs.PrivateKeyInfo;
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import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
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import org.bouncycastle.crypto.CipherParameters;
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import org.bouncycastle.pqc.asn1.PQCObjectIdentifiers;
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import org.bouncycastle.pqc.crypto.newhope.NHPrivateKeyParameters;
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import org.bouncycastle.pqc.jcajce.interfaces.NHPrivateKey;
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import org.bouncycastle.util.Arrays;
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import org.bouncycastle.util.Pack;
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/* loaded from: classes6.dex */
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public class BCNHPrivateKey implements NHPrivateKey {
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private static final long serialVersionUID = 1;
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private final NHPrivateKeyParameters params;
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public int hashCode() {
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return Arrays.hashCode(this.params.getSecData());
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}
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@Override // org.bouncycastle.pqc.jcajce.interfaces.NHPrivateKey
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public short[] getSecretData() {
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return this.params.getSecData();
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public CipherParameters getKeyParams() {
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return this.params;
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}
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@Override // java.security.Key
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public String getFormat() {
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return "PKCS#8";
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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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AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(PQCObjectIdentifiers.newHope);
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short[] secData = this.params.getSecData();
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byte[] bArr = new byte[secData.length << 1];
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for (int i = 0; i != secData.length; i++) {
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Pack.shortToLittleEndian(secData[i], bArr, i << 1);
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}
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return new PrivateKeyInfo(algorithmIdentifier, new DEROctetString(bArr)).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 final String getAlgorithm() {
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return "NH";
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}
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public boolean equals(Object obj) {
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if (obj == null || !(obj instanceof BCNHPrivateKey)) {
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return false;
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}
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return Arrays.areEqual(this.params.getSecData(), ((BCNHPrivateKey) obj).params.getSecData());
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}
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private static short[] convert(byte[] bArr) {
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int length = bArr.length / 2;
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short[] sArr = new short[length];
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for (int i = 0; i != length; i++) {
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sArr[i] = Pack.littleEndianToShort(bArr, i << 1);
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}
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return sArr;
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}
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public BCNHPrivateKey(NHPrivateKeyParameters nHPrivateKeyParameters) {
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this.params = nHPrivateKeyParameters;
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}
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public BCNHPrivateKey(PrivateKeyInfo privateKeyInfo) throws IOException {
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this.params = new NHPrivateKeyParameters(convert(ASN1OctetString.getInstance(privateKeyInfo.parsePrivateKey()).getOctets()));
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}
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}
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