68 lines
3.0 KiB
Java
68 lines
3.0 KiB
Java
|
package org.bouncycastle.jcajce.provider.symmetric;
|
||
|
|
|
||
|
|
import java.security.spec.InvalidKeySpecException;
|
||
|
|
import java.security.spec.KeySpec;
|
||
|
|
import javax.crypto.SecretKey;
|
||
|
|
import javax.crypto.spec.PBEKeySpec;
|
||
|
|
import javax.crypto.spec.SecretKeySpec;
|
||
|
|
import org.bouncycastle.crypto.generators.OpenSSLPBEParametersGenerator;
|
||
|
|
import org.bouncycastle.crypto.params.KeyParameter;
|
||
|
|
import org.bouncycastle.jcajce.provider.config.ConfigurableProvider;
|
||
|
|
import org.bouncycastle.jcajce.provider.symmetric.util.BaseSecretKeyFactory;
|
||
|
|
import org.bouncycastle.jcajce.provider.util.AlgorithmProvider;
|
||
|
|
import org.bouncycastle.util.Strings;
|
||
|
|
|
||
|
|
/* loaded from: classes6.dex */
|
||
|
|
public final class OpenSSLPBKDF {
|
||
|
|
|
||
|
|
/* loaded from: classes6.dex */
|
||
|
|
public static class Mappings extends AlgorithmProvider {
|
||
|
|
private static final String PREFIX = OpenSSLPBKDF.class.getName();
|
||
|
|
|
||
|
|
@Override // org.bouncycastle.jcajce.provider.util.AlgorithmProvider
|
||
|
|
public void configure(ConfigurableProvider configurableProvider) {
|
||
|
|
StringBuilder sb = new StringBuilder();
|
||
|
|
sb.append(PREFIX);
|
||
|
|
sb.append("$PBKDF");
|
||
|
|
configurableProvider.addAlgorithm("SecretKeyFactory.PBKDF-OPENSSL", sb.toString());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* loaded from: classes6.dex */
|
||
|
|
public static class PBKDF extends BaseSecretKeyFactory {
|
||
|
|
@Override // org.bouncycastle.jcajce.provider.symmetric.util.BaseSecretKeyFactory, javax.crypto.SecretKeyFactorySpi
|
||
|
|
public SecretKey engineGenerateSecret(KeySpec keySpec) throws InvalidKeySpecException {
|
||
|
|
if (!(keySpec instanceof PBEKeySpec)) {
|
||
|
|
throw new InvalidKeySpecException("Invalid KeySpec");
|
||
|
|
}
|
||
|
|
PBEKeySpec pBEKeySpec = (PBEKeySpec) keySpec;
|
||
|
|
if (pBEKeySpec.getSalt() == null) {
|
||
|
|
throw new InvalidKeySpecException("missing required salt");
|
||
|
|
}
|
||
|
|
if (pBEKeySpec.getIterationCount() <= 0) {
|
||
|
|
StringBuilder sb = new StringBuilder("positive iteration count required: ");
|
||
|
|
sb.append(pBEKeySpec.getIterationCount());
|
||
|
|
throw new InvalidKeySpecException(sb.toString());
|
||
|
|
}
|
||
|
|
if (pBEKeySpec.getKeyLength() <= 0) {
|
||
|
|
StringBuilder sb2 = new StringBuilder("positive key length required: ");
|
||
|
|
sb2.append(pBEKeySpec.getKeyLength());
|
||
|
|
throw new InvalidKeySpecException(sb2.toString());
|
||
|
|
}
|
||
|
|
if (pBEKeySpec.getPassword().length == 0) {
|
||
|
|
throw new IllegalArgumentException("password empty");
|
||
|
|
}
|
||
|
|
OpenSSLPBEParametersGenerator openSSLPBEParametersGenerator = new OpenSSLPBEParametersGenerator();
|
||
|
|
openSSLPBEParametersGenerator.init(Strings.toByteArray(pBEKeySpec.getPassword()), pBEKeySpec.getSalt());
|
||
|
|
return new SecretKeySpec(((KeyParameter) openSSLPBEParametersGenerator.generateDerivedParameters(pBEKeySpec.getKeyLength())).getKey(), "OpenSSLPBKDF");
|
||
|
|
}
|
||
|
|
|
||
|
|
public PBKDF() {
|
||
|
|
super("PBKDF-OpenSSL", null);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private OpenSSLPBKDF() {
|
||
|
|
}
|
||
|
|
}
|