package org.bouncycastle.pqc.jcajce.provider.mceliece;

import org.bouncycastle.asn1.DERNull;
import org.bouncycastle.asn1.nist.NISTObjectIdentifiers;
import org.bouncycastle.asn1.oiw.OIWObjectIdentifiers;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
import org.bouncycastle.crypto.Digest;
import org.bouncycastle.crypto.digests.SHA1Digest;
import org.bouncycastle.crypto.digests.SHA224Digest;
import org.bouncycastle.crypto.digests.SHA256Digest;
import org.bouncycastle.crypto.digests.SHA384Digest;
import org.bouncycastle.crypto.digests.SHA512Digest;
import org.bouncycastle.pqc.jcajce.spec.McElieceCCA2KeyGenParameterSpec;

/* loaded from: classes6.dex */
class Utils {
    /* JADX INFO: Access modifiers changed from: package-private */
    public static Digest getDigest(AlgorithmIdentifier algorithmIdentifier) {
        if (algorithmIdentifier.getAlgorithm().equals(OIWObjectIdentifiers.idSHA1)) {
            return new SHA1Digest();
        }
        if (algorithmIdentifier.getAlgorithm().equals(NISTObjectIdentifiers.id_sha224)) {
            return new SHA224Digest();
        }
        if (algorithmIdentifier.getAlgorithm().equals(NISTObjectIdentifiers.id_sha256)) {
            return new SHA256Digest();
        }
        if (algorithmIdentifier.getAlgorithm().equals(NISTObjectIdentifiers.id_sha384)) {
            return new SHA384Digest();
        }
        if (algorithmIdentifier.getAlgorithm().equals(NISTObjectIdentifiers.id_sha512)) {
            return new SHA512Digest();
        }
        StringBuilder sb = new StringBuilder("unrecognised OID in digest algorithm identifier: ");
        sb.append(algorithmIdentifier.getAlgorithm());
        throw new IllegalArgumentException(sb.toString());
    }

    /* JADX INFO: Access modifiers changed from: package-private */
    public static AlgorithmIdentifier getDigAlgId(String str) {
        if (str.equals(McElieceCCA2KeyGenParameterSpec.SHA1)) {
            return new AlgorithmIdentifier(OIWObjectIdentifiers.idSHA1, DERNull.INSTANCE);
        }
        if (str.equals(McElieceCCA2KeyGenParameterSpec.SHA224)) {
            return new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha224, DERNull.INSTANCE);
        }
        if (str.equals(McElieceCCA2KeyGenParameterSpec.SHA256)) {
            return new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha256, DERNull.INSTANCE);
        }
        if (str.equals(McElieceCCA2KeyGenParameterSpec.SHA384)) {
            return new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha384, DERNull.INSTANCE);
        }
        if (str.equals(McElieceCCA2KeyGenParameterSpec.SHA512)) {
            return new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha512, DERNull.INSTANCE);
        }
        throw new IllegalArgumentException("unrecognised digest algorithm: ".concat(String.valueOf(str)));
    }

    Utils() {
    }
}