271 lines
10 KiB
Java
271 lines
10 KiB
Java
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package org.bouncycastle.jcajce.provider.asymmetric.dsa;
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import java.io.IOException;
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import java.math.BigInteger;
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import java.security.InvalidKeyException;
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import java.security.PrivateKey;
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import java.security.PublicKey;
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import java.security.SecureRandom;
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import java.security.SignatureException;
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import java.security.SignatureSpi;
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import java.security.interfaces.DSAKey;
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import java.security.spec.AlgorithmParameterSpec;
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import org.bouncycastle.asn1.ASN1Encoding;
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import org.bouncycastle.asn1.ASN1Integer;
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import org.bouncycastle.asn1.ASN1Primitive;
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import org.bouncycastle.asn1.ASN1Sequence;
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import org.bouncycastle.asn1.DERSequence;
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import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;
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import org.bouncycastle.asn1.x509.SubjectPublicKeyInfo;
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import org.bouncycastle.asn1.x509.X509ObjectIdentifiers;
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import org.bouncycastle.crypto.CipherParameters;
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import org.bouncycastle.crypto.DSA;
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import org.bouncycastle.crypto.Digest;
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import org.bouncycastle.crypto.digests.NullDigest;
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import org.bouncycastle.crypto.digests.SHA1Digest;
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import org.bouncycastle.crypto.digests.SHA224Digest;
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import org.bouncycastle.crypto.digests.SHA256Digest;
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import org.bouncycastle.crypto.digests.SHA384Digest;
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import org.bouncycastle.crypto.digests.SHA3Digest;
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import org.bouncycastle.crypto.digests.SHA512Digest;
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import org.bouncycastle.crypto.params.AsymmetricKeyParameter;
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import org.bouncycastle.crypto.params.ParametersWithRandom;
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import org.bouncycastle.crypto.signers.HMacDSAKCalculator;
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import org.jmrtd.PassportService;
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/* loaded from: classes6.dex */
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public class DSASigner extends SignatureSpi implements PKCSObjectIdentifiers, X509ObjectIdentifiers {
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private Digest digest;
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private SecureRandom random;
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private DSA signer;
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@Override // java.security.SignatureSpi
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protected boolean engineVerify(byte[] bArr) throws SignatureException {
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byte[] bArr2 = new byte[this.digest.getDigestSize()];
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this.digest.doFinal(bArr2, 0);
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try {
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BigInteger[] derDecode = derDecode(bArr);
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return this.signer.verifySignature(bArr2, derDecode[0], derDecode[1]);
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} catch (Exception unused) {
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throw new SignatureException("error decoding signature bytes.");
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}
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}
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@Override // java.security.SignatureSpi
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protected void engineUpdate(byte[] bArr, int i, int i2) throws SignatureException {
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this.digest.update(bArr, i, i2);
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}
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@Override // java.security.SignatureSpi
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protected void engineUpdate(byte b) throws SignatureException {
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this.digest.update(b);
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}
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@Override // java.security.SignatureSpi
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protected byte[] engineSign() throws SignatureException {
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byte[] bArr = new byte[this.digest.getDigestSize()];
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this.digest.doFinal(bArr, 0);
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try {
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BigInteger[] generateSignature = this.signer.generateSignature(bArr);
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return derEncode(generateSignature[0], generateSignature[1]);
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} catch (Exception e) {
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throw new SignatureException(e.toString());
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}
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}
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@Override // java.security.SignatureSpi
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protected void engineSetParameter(AlgorithmParameterSpec algorithmParameterSpec) {
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throw new UnsupportedOperationException("engineSetParameter unsupported");
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}
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@Override // java.security.SignatureSpi
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protected void engineSetParameter(String str, Object obj) {
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throw new UnsupportedOperationException("engineSetParameter unsupported");
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}
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@Override // java.security.SignatureSpi
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protected void engineInitVerify(PublicKey publicKey) throws InvalidKeyException {
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AsymmetricKeyParameter generatePublicKeyParameter;
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if (publicKey instanceof DSAKey) {
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generatePublicKeyParameter = DSAUtil.generatePublicKeyParameter(publicKey);
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} else {
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try {
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generatePublicKeyParameter = DSAUtil.generatePublicKeyParameter(new BCDSAPublicKey(SubjectPublicKeyInfo.getInstance(publicKey.getEncoded())));
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} catch (Exception unused) {
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throw new InvalidKeyException("can't recognise key type in DSA based signer");
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}
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}
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this.digest.reset();
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this.signer.init(false, generatePublicKeyParameter);
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}
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@Override // java.security.SignatureSpi
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protected void engineInitSign(PrivateKey privateKey, SecureRandom secureRandom) throws InvalidKeyException {
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this.random = secureRandom;
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engineInitSign(privateKey);
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}
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@Override // java.security.SignatureSpi
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protected void engineInitSign(PrivateKey privateKey) throws InvalidKeyException {
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CipherParameters generatePrivateKeyParameter = DSAUtil.generatePrivateKeyParameter(privateKey);
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SecureRandom secureRandom = this.random;
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if (secureRandom != null) {
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generatePrivateKeyParameter = new ParametersWithRandom(generatePrivateKeyParameter, secureRandom);
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}
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this.digest.reset();
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this.signer.init(true, generatePrivateKeyParameter);
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}
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@Override // java.security.SignatureSpi
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protected Object engineGetParameter(String str) {
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throw new UnsupportedOperationException("engineSetParameter unsupported");
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}
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private byte[] derEncode(BigInteger bigInteger, BigInteger bigInteger2) throws IOException {
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return new DERSequence(new ASN1Integer[]{new ASN1Integer(bigInteger), new ASN1Integer(bigInteger2)}).getEncoded(ASN1Encoding.DER);
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}
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/* loaded from: classes6.dex */
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public static class detDSA extends DSASigner {
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public detDSA() {
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super(new SHA1Digest(), new org.bouncycastle.crypto.signers.DSASigner(new HMacDSAKCalculator(new SHA1Digest())));
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}
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}
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/* loaded from: classes6.dex */
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public static class detDSA224 extends DSASigner {
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public detDSA224() {
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super(new SHA224Digest(), new org.bouncycastle.crypto.signers.DSASigner(new HMacDSAKCalculator(new SHA224Digest())));
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}
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}
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/* loaded from: classes6.dex */
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public static class detDSA256 extends DSASigner {
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public detDSA256() {
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super(new SHA256Digest(), new org.bouncycastle.crypto.signers.DSASigner(new HMacDSAKCalculator(new SHA256Digest())));
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}
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}
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/* loaded from: classes6.dex */
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public static class detDSA384 extends DSASigner {
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public detDSA384() {
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super(new SHA384Digest(), new org.bouncycastle.crypto.signers.DSASigner(new HMacDSAKCalculator(new SHA384Digest())));
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}
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}
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/* loaded from: classes6.dex */
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public static class detDSA512 extends DSASigner {
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public detDSA512() {
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super(new SHA512Digest(), new org.bouncycastle.crypto.signers.DSASigner(new HMacDSAKCalculator(new SHA512Digest())));
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}
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}
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/* loaded from: classes6.dex */
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public static class detDSASha3_224 extends DSASigner {
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public detDSASha3_224() {
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super(new SHA3Digest(PassportService.DEFAULT_MAX_BLOCKSIZE), new org.bouncycastle.crypto.signers.DSASigner(new HMacDSAKCalculator(new SHA3Digest(PassportService.DEFAULT_MAX_BLOCKSIZE))));
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}
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}
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/* loaded from: classes6.dex */
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public static class detDSASha3_256 extends DSASigner {
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public detDSASha3_256() {
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super(new SHA3Digest(256), new org.bouncycastle.crypto.signers.DSASigner(new HMacDSAKCalculator(new SHA3Digest(256))));
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}
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}
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/* loaded from: classes6.dex */
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public static class detDSASha3_384 extends DSASigner {
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public detDSASha3_384() {
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super(new SHA3Digest(384), new org.bouncycastle.crypto.signers.DSASigner(new HMacDSAKCalculator(new SHA3Digest(384))));
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}
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}
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/* loaded from: classes6.dex */
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public static class detDSASha3_512 extends DSASigner {
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public detDSASha3_512() {
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super(new SHA3Digest(512), new org.bouncycastle.crypto.signers.DSASigner(new HMacDSAKCalculator(new SHA3Digest(512))));
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}
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}
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/* loaded from: classes6.dex */
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public static class dsa224 extends DSASigner {
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public dsa224() {
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super(new SHA224Digest(), new org.bouncycastle.crypto.signers.DSASigner());
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}
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}
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/* loaded from: classes6.dex */
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public static class dsa256 extends DSASigner {
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public dsa256() {
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super(new SHA256Digest(), new org.bouncycastle.crypto.signers.DSASigner());
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}
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}
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/* loaded from: classes6.dex */
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public static class dsa384 extends DSASigner {
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public dsa384() {
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super(new SHA384Digest(), new org.bouncycastle.crypto.signers.DSASigner());
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}
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}
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/* loaded from: classes6.dex */
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public static class dsa512 extends DSASigner {
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public dsa512() {
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super(new SHA512Digest(), new org.bouncycastle.crypto.signers.DSASigner());
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}
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}
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/* loaded from: classes6.dex */
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public static class dsaSha3_224 extends DSASigner {
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public dsaSha3_224() {
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super(new SHA3Digest(PassportService.DEFAULT_MAX_BLOCKSIZE), new org.bouncycastle.crypto.signers.DSASigner());
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}
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}
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/* loaded from: classes6.dex */
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public static class dsaSha3_256 extends DSASigner {
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public dsaSha3_256() {
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super(new SHA3Digest(256), new org.bouncycastle.crypto.signers.DSASigner());
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}
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}
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/* loaded from: classes6.dex */
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public static class dsaSha3_384 extends DSASigner {
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public dsaSha3_384() {
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super(new SHA3Digest(384), new org.bouncycastle.crypto.signers.DSASigner());
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}
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}
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/* loaded from: classes6.dex */
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public static class dsaSha3_512 extends DSASigner {
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public dsaSha3_512() {
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super(new SHA3Digest(512), new org.bouncycastle.crypto.signers.DSASigner());
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}
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}
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/* loaded from: classes6.dex */
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public static class noneDSA extends DSASigner {
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public noneDSA() {
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super(new NullDigest(), new org.bouncycastle.crypto.signers.DSASigner());
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}
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}
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/* loaded from: classes6.dex */
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public static class stdDSA extends DSASigner {
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public stdDSA() {
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super(new SHA1Digest(), new org.bouncycastle.crypto.signers.DSASigner());
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}
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}
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private BigInteger[] derDecode(byte[] bArr) throws IOException {
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ASN1Sequence aSN1Sequence = (ASN1Sequence) ASN1Primitive.fromByteArray(bArr);
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return new BigInteger[]{((ASN1Integer) aSN1Sequence.getObjectAt(0)).getValue(), ((ASN1Integer) aSN1Sequence.getObjectAt(1)).getValue()};
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}
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protected DSASigner(Digest digest, DSA dsa) {
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this.digest = digest;
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this.signer = dsa;
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}
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}
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