65 lines
3.4 KiB
Java
65 lines
3.4 KiB
Java
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package org.bouncycastle.jce;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import javax.crypto.Mac;
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import javax.crypto.SecretKey;
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import javax.crypto.SecretKeyFactory;
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import javax.crypto.spec.PBEKeySpec;
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import javax.crypto.spec.PBEParameterSpec;
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import org.bouncycastle.asn1.ASN1InputStream;
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import org.bouncycastle.asn1.ASN1ObjectIdentifier;
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import org.bouncycastle.asn1.ASN1OctetString;
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import org.bouncycastle.asn1.DERNull;
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import org.bouncycastle.asn1.DEROctetString;
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import org.bouncycastle.asn1.DEROutputStream;
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import org.bouncycastle.asn1.pkcs.ContentInfo;
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import org.bouncycastle.asn1.pkcs.MacData;
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import org.bouncycastle.asn1.pkcs.Pfx;
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import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
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import org.bouncycastle.asn1.x509.DigestInfo;
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/* loaded from: classes6.dex */
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public class PKCS12Util {
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public static byte[] convertToDefiniteLength(byte[] bArr, char[] cArr, String str) throws IOException {
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Pfx pfx = Pfx.getInstance(bArr);
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ContentInfo authSafe = pfx.getAuthSafe();
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ASN1OctetString aSN1OctetString = ASN1OctetString.getInstance(authSafe.getContent());
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ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
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DEROutputStream dEROutputStream = new DEROutputStream(byteArrayOutputStream);
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dEROutputStream.writeObject(new ASN1InputStream(aSN1OctetString.getOctets()).readObject());
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ContentInfo contentInfo = new ContentInfo(authSafe.getContentType(), new DEROctetString(byteArrayOutputStream.toByteArray()));
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MacData macData = pfx.getMacData();
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try {
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int intValue = macData.getIterationCount().intValue();
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Pfx pfx2 = new Pfx(contentInfo, new MacData(new DigestInfo(new AlgorithmIdentifier(macData.getMac().getAlgorithmId().getAlgorithm(), DERNull.INSTANCE), calculatePbeMac(macData.getMac().getAlgorithmId().getAlgorithm(), macData.getSalt(), intValue, cArr, ASN1OctetString.getInstance(contentInfo.getContent()).getOctets(), str)), macData.getSalt(), intValue));
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byteArrayOutputStream.reset();
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dEROutputStream.writeObject(pfx2);
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return byteArrayOutputStream.toByteArray();
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} catch (Exception e) {
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StringBuilder sb = new StringBuilder("error constructing MAC: ");
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sb.append(e.toString());
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throw new IOException(sb.toString());
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}
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}
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public static byte[] convertToDefiniteLength(byte[] bArr) throws IOException {
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ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
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DEROutputStream dEROutputStream = new DEROutputStream(byteArrayOutputStream);
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Pfx pfx = Pfx.getInstance(bArr);
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byteArrayOutputStream.reset();
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dEROutputStream.writeObject(pfx);
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return byteArrayOutputStream.toByteArray();
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}
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private static byte[] calculatePbeMac(ASN1ObjectIdentifier aSN1ObjectIdentifier, byte[] bArr, int i, char[] cArr, byte[] bArr2, String str) throws Exception {
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SecretKeyFactory secretKeyFactory = SecretKeyFactory.getInstance(aSN1ObjectIdentifier.getId(), str);
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PBEParameterSpec pBEParameterSpec = new PBEParameterSpec(bArr, i);
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SecretKey generateSecret = secretKeyFactory.generateSecret(new PBEKeySpec(cArr));
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Mac mac = Mac.getInstance(aSN1ObjectIdentifier.getId(), str);
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mac.init(generateSecret, pBEParameterSpec);
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mac.update(bArr2);
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return mac.doFinal();
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}
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}
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