what-the-bank/sources/org/bouncycastle/jcajce/provider/asymmetric/dstu/SignatureSpiLe.java

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2024-07-27 18:17:47 +07:00
package org.bouncycastle.jcajce.provider.asymmetric.dstu;
import java.io.IOException;
import java.security.SignatureException;
import org.bouncycastle.asn1.ASN1OctetString;
import org.bouncycastle.asn1.DEROctetString;
/* loaded from: classes6.dex */
public class SignatureSpiLe extends SignatureSpi {
void reverseBytes(byte[] bArr) {
for (int i = 0; i < bArr.length / 2; i++) {
byte b = bArr[i];
bArr[i] = bArr[(bArr.length - 1) - i];
bArr[(bArr.length - 1) - i] = b;
}
}
/* JADX INFO: Access modifiers changed from: protected */
@Override // org.bouncycastle.jcajce.provider.asymmetric.dstu.SignatureSpi, java.security.SignatureSpi
public boolean engineVerify(byte[] bArr) throws SignatureException {
try {
byte[] octets = ((ASN1OctetString) ASN1OctetString.fromByteArray(bArr)).getOctets();
reverseBytes(octets);
try {
return super.engineVerify(new DEROctetString(octets).getEncoded());
} catch (SignatureException e) {
throw e;
} catch (Exception e2) {
throw new SignatureException(e2.toString());
}
} catch (IOException unused) {
throw new SignatureException("error decoding signature bytes.");
}
}
/* JADX INFO: Access modifiers changed from: protected */
@Override // org.bouncycastle.jcajce.provider.asymmetric.dstu.SignatureSpi, java.security.SignatureSpi
public byte[] engineSign() throws SignatureException {
byte[] octets = ASN1OctetString.getInstance(super.engineSign()).getOctets();
reverseBytes(octets);
try {
return new DEROctetString(octets).getEncoded();
} catch (Exception e) {
throw new SignatureException(e.toString());
}
}
}