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