112 lines
5.4 KiB
Java
112 lines
5.4 KiB
Java
package org.bouncycastle.jce.provider;
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import java.security.spec.AlgorithmParameterSpec;
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import javax.crypto.spec.PBEParameterSpec;
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import org.bouncycastle.crypto.CipherParameters;
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import org.bouncycastle.crypto.PBEParametersGenerator;
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import org.bouncycastle.crypto.digests.MD5Digest;
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import org.bouncycastle.crypto.digests.RIPEMD160Digest;
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import org.bouncycastle.crypto.digests.SHA1Digest;
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import org.bouncycastle.crypto.generators.PKCS12ParametersGenerator;
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import org.bouncycastle.crypto.generators.PKCS5S1ParametersGenerator;
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import org.bouncycastle.crypto.generators.PKCS5S2ParametersGenerator;
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import org.bouncycastle.crypto.params.KeyParameter;
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import org.bouncycastle.crypto.params.ParametersWithIV;
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import org.bouncycastle.jcajce.provider.symmetric.util.BCPBEKey;
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/* loaded from: classes6.dex */
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public interface BrokenPBE {
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public static final int MD5 = 0;
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public static final int OLD_PKCS12 = 3;
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public static final int PKCS12 = 2;
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public static final int PKCS5S1 = 0;
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public static final int PKCS5S2 = 1;
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public static final int RIPEMD160 = 2;
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public static final int SHA1 = 1;
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/* loaded from: classes6.dex */
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public static class Util {
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private static void setOddParity(byte[] bArr) {
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for (int i = 0; i < bArr.length; i++) {
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byte b = bArr[i];
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bArr[i] = (byte) ((b & 254) | (((b >> 7) ^ ((((((b >> 1) ^ (b >> 2)) ^ (b >> 3)) ^ (b >> 4)) ^ (b >> 5)) ^ (b >> 6))) ^ 1));
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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 CipherParameters makePBEParameters(BCPBEKey bCPBEKey, AlgorithmParameterSpec algorithmParameterSpec, int i, int i2, String str, int i3, int i4) {
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if (algorithmParameterSpec == null || !(algorithmParameterSpec instanceof PBEParameterSpec)) {
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throw new IllegalArgumentException("Need a PBEParameter spec with a PBE key.");
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}
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PBEParameterSpec pBEParameterSpec = (PBEParameterSpec) algorithmParameterSpec;
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PBEParametersGenerator makePBEGenerator = makePBEGenerator(i, i2);
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byte[] encoded = bCPBEKey.getEncoded();
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makePBEGenerator.init(encoded, pBEParameterSpec.getSalt(), pBEParameterSpec.getIterationCount());
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CipherParameters generateDerivedParameters = i4 != 0 ? makePBEGenerator.generateDerivedParameters(i3, i4) : makePBEGenerator.generateDerivedParameters(i3);
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if (str.startsWith("DES")) {
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if (generateDerivedParameters instanceof ParametersWithIV) {
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setOddParity(((KeyParameter) ((ParametersWithIV) generateDerivedParameters).getParameters()).getKey());
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} else {
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setOddParity(((KeyParameter) generateDerivedParameters).getKey());
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}
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}
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for (int i5 = 0; i5 != encoded.length; i5++) {
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encoded[i5] = 0;
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}
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return generateDerivedParameters;
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}
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static CipherParameters makePBEMacParameters(BCPBEKey bCPBEKey, AlgorithmParameterSpec algorithmParameterSpec, int i, int i2, int i3) {
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if (algorithmParameterSpec == null || !(algorithmParameterSpec instanceof PBEParameterSpec)) {
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throw new IllegalArgumentException("Need a PBEParameter spec with a PBE key.");
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}
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PBEParameterSpec pBEParameterSpec = (PBEParameterSpec) algorithmParameterSpec;
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PBEParametersGenerator makePBEGenerator = makePBEGenerator(i, i2);
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byte[] encoded = bCPBEKey.getEncoded();
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makePBEGenerator.init(encoded, pBEParameterSpec.getSalt(), pBEParameterSpec.getIterationCount());
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CipherParameters generateDerivedMacParameters = makePBEGenerator.generateDerivedMacParameters(i3);
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for (int i4 = 0; i4 != encoded.length; i4++) {
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encoded[i4] = 0;
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}
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return generateDerivedMacParameters;
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}
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private static PBEParametersGenerator makePBEGenerator(int i, int i2) {
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if (i == 0) {
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if (i2 == 0) {
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return new PKCS5S1ParametersGenerator(new MD5Digest());
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}
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if (i2 == 1) {
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return new PKCS5S1ParametersGenerator(new SHA1Digest());
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}
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throw new IllegalStateException("PKCS5 scheme 1 only supports only MD5 and SHA1.");
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}
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if (i == 1) {
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return new PKCS5S2ParametersGenerator();
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}
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if (i == 3) {
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if (i2 == 0) {
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return new OldPKCS12ParametersGenerator(new MD5Digest());
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}
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if (i2 == 1) {
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return new OldPKCS12ParametersGenerator(new SHA1Digest());
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}
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if (i2 == 2) {
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return new OldPKCS12ParametersGenerator(new RIPEMD160Digest());
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}
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throw new IllegalStateException("unknown digest scheme for PBE encryption.");
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}
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if (i2 == 0) {
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return new PKCS12ParametersGenerator(new MD5Digest());
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}
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if (i2 == 1) {
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return new PKCS12ParametersGenerator(new SHA1Digest());
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}
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if (i2 == 2) {
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return new PKCS12ParametersGenerator(new RIPEMD160Digest());
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}
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throw new IllegalStateException("unknown digest scheme for PBE encryption.");
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}
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}
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}
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