92 lines
3.3 KiB
Java
92 lines
3.3 KiB
Java
package org.bouncycastle.asn1.eac;
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import java.math.BigInteger;
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import java.util.Enumeration;
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import org.bouncycastle.asn1.ASN1EncodableVector;
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import org.bouncycastle.asn1.ASN1ObjectIdentifier;
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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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/* loaded from: classes6.dex */
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public class RSAPublicKey extends PublicKeyDataObject {
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private static int exponentValid = 2;
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private static int modulusValid = 1;
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private BigInteger exponent;
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private BigInteger modulus;
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private ASN1ObjectIdentifier usage;
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private int valid = 0;
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@Override // org.bouncycastle.asn1.ASN1Object, org.bouncycastle.asn1.ASN1Encodable
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public ASN1Primitive toASN1Primitive() {
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ASN1EncodableVector aSN1EncodableVector = new ASN1EncodableVector();
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aSN1EncodableVector.add(this.usage);
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aSN1EncodableVector.add(new UnsignedInteger(1, getModulus()));
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aSN1EncodableVector.add(new UnsignedInteger(2, getPublicExponent()));
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return new DERSequence(aSN1EncodableVector);
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}
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@Override // org.bouncycastle.asn1.eac.PublicKeyDataObject
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public ASN1ObjectIdentifier getUsage() {
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return this.usage;
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}
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public BigInteger getPublicExponent() {
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return this.exponent;
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}
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public BigInteger getModulus() {
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return this.modulus;
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}
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private void setModulus(UnsignedInteger unsignedInteger) {
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int i = this.valid;
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int i2 = modulusValid;
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if ((i & i2) != 0) {
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throw new IllegalArgumentException("Modulus already set");
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}
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this.valid = i | i2;
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this.modulus = unsignedInteger.getValue();
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}
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private void setExponent(UnsignedInteger unsignedInteger) {
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int i = this.valid;
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int i2 = exponentValid;
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if ((i & i2) != 0) {
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throw new IllegalArgumentException("Exponent already set");
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}
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this.valid = i | i2;
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this.exponent = unsignedInteger.getValue();
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public RSAPublicKey(ASN1Sequence aSN1Sequence) {
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Enumeration objects = aSN1Sequence.getObjects();
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this.usage = ASN1ObjectIdentifier.getInstance(objects.nextElement());
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while (objects.hasMoreElements()) {
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UnsignedInteger unsignedInteger = UnsignedInteger.getInstance(objects.nextElement());
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int tagNo = unsignedInteger.getTagNo();
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if (tagNo == 1) {
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setModulus(unsignedInteger);
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} else {
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if (tagNo != 2) {
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StringBuilder sb = new StringBuilder("Unknown DERTaggedObject :");
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sb.append(unsignedInteger.getTagNo());
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sb.append("-> not an Iso7816RSAPublicKeyStructure");
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throw new IllegalArgumentException(sb.toString());
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}
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setExponent(unsignedInteger);
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}
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}
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if (this.valid != 3) {
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throw new IllegalArgumentException("missing argument -> not an Iso7816RSAPublicKeyStructure");
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}
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}
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public RSAPublicKey(ASN1ObjectIdentifier aSN1ObjectIdentifier, BigInteger bigInteger, BigInteger bigInteger2) {
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this.usage = aSN1ObjectIdentifier;
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this.modulus = bigInteger;
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this.exponent = bigInteger2;
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}
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}
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