44 lines
2.2 KiB
Java
44 lines
2.2 KiB
Java
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package org.bouncycastle.jcajce.provider.asymmetric.rsa;
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import java.security.interfaces.RSAPrivateCrtKey;
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import java.security.interfaces.RSAPrivateKey;
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import java.security.interfaces.RSAPublicKey;
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import org.bouncycastle.asn1.ASN1ObjectIdentifier;
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import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;
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import org.bouncycastle.asn1.x509.X509ObjectIdentifiers;
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import org.bouncycastle.crypto.params.RSAKeyParameters;
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import org.bouncycastle.crypto.params.RSAPrivateCrtKeyParameters;
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/* loaded from: classes6.dex */
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public class RSAUtil {
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public static final ASN1ObjectIdentifier[] rsaOids = {PKCSObjectIdentifiers.rsaEncryption, X509ObjectIdentifiers.id_ea_rsa, PKCSObjectIdentifiers.id_RSAES_OAEP, PKCSObjectIdentifiers.id_RSASSA_PSS};
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public static boolean isRsaOid(ASN1ObjectIdentifier aSN1ObjectIdentifier) {
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int i = 0;
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while (true) {
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ASN1ObjectIdentifier[] aSN1ObjectIdentifierArr = rsaOids;
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if (i == aSN1ObjectIdentifierArr.length) {
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return false;
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}
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if (aSN1ObjectIdentifier.equals(aSN1ObjectIdentifierArr[i])) {
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return true;
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}
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i++;
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}
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public static RSAKeyParameters generatePublicKeyParameter(RSAPublicKey rSAPublicKey) {
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return new RSAKeyParameters(false, rSAPublicKey.getModulus(), rSAPublicKey.getPublicExponent());
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public static RSAKeyParameters generatePrivateKeyParameter(RSAPrivateKey rSAPrivateKey) {
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if (!(rSAPrivateKey instanceof RSAPrivateCrtKey)) {
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return new RSAKeyParameters(true, rSAPrivateKey.getModulus(), rSAPrivateKey.getPrivateExponent());
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}
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RSAPrivateCrtKey rSAPrivateCrtKey = (RSAPrivateCrtKey) rSAPrivateKey;
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return new RSAPrivateCrtKeyParameters(rSAPrivateCrtKey.getModulus(), rSAPrivateCrtKey.getPublicExponent(), rSAPrivateCrtKey.getPrivateExponent(), rSAPrivateCrtKey.getPrimeP(), rSAPrivateCrtKey.getPrimeQ(), rSAPrivateCrtKey.getPrimeExponentP(), rSAPrivateCrtKey.getPrimeExponentQ(), rSAPrivateCrtKey.getCrtCoefficient());
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}
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}
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