62 lines
2.8 KiB
Java
62 lines
2.8 KiB
Java
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package org.bouncycastle.pqc.jcajce.provider.mceliece;
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import org.bouncycastle.asn1.DERNull;
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import org.bouncycastle.asn1.nist.NISTObjectIdentifiers;
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import org.bouncycastle.asn1.oiw.OIWObjectIdentifiers;
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import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
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import org.bouncycastle.crypto.Digest;
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import org.bouncycastle.crypto.digests.SHA1Digest;
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import org.bouncycastle.crypto.digests.SHA224Digest;
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import org.bouncycastle.crypto.digests.SHA256Digest;
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import org.bouncycastle.crypto.digests.SHA384Digest;
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import org.bouncycastle.crypto.digests.SHA512Digest;
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import org.bouncycastle.pqc.jcajce.spec.McElieceCCA2KeyGenParameterSpec;
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/* loaded from: classes6.dex */
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class Utils {
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/* JADX INFO: Access modifiers changed from: package-private */
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public static Digest getDigest(AlgorithmIdentifier algorithmIdentifier) {
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if (algorithmIdentifier.getAlgorithm().equals(OIWObjectIdentifiers.idSHA1)) {
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return new SHA1Digest();
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}
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if (algorithmIdentifier.getAlgorithm().equals(NISTObjectIdentifiers.id_sha224)) {
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return new SHA224Digest();
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}
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if (algorithmIdentifier.getAlgorithm().equals(NISTObjectIdentifiers.id_sha256)) {
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return new SHA256Digest();
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}
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if (algorithmIdentifier.getAlgorithm().equals(NISTObjectIdentifiers.id_sha384)) {
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return new SHA384Digest();
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}
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if (algorithmIdentifier.getAlgorithm().equals(NISTObjectIdentifiers.id_sha512)) {
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return new SHA512Digest();
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}
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StringBuilder sb = new StringBuilder("unrecognised OID in digest algorithm identifier: ");
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sb.append(algorithmIdentifier.getAlgorithm());
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throw new IllegalArgumentException(sb.toString());
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public static AlgorithmIdentifier getDigAlgId(String str) {
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if (str.equals(McElieceCCA2KeyGenParameterSpec.SHA1)) {
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return new AlgorithmIdentifier(OIWObjectIdentifiers.idSHA1, DERNull.INSTANCE);
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}
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if (str.equals(McElieceCCA2KeyGenParameterSpec.SHA224)) {
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return new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha224, DERNull.INSTANCE);
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}
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if (str.equals(McElieceCCA2KeyGenParameterSpec.SHA256)) {
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return new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha256, DERNull.INSTANCE);
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}
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if (str.equals(McElieceCCA2KeyGenParameterSpec.SHA384)) {
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return new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha384, DERNull.INSTANCE);
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}
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if (str.equals(McElieceCCA2KeyGenParameterSpec.SHA512)) {
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return new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha512, DERNull.INSTANCE);
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}
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throw new IllegalArgumentException("unrecognised digest algorithm: ".concat(String.valueOf(str)));
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}
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Utils() {
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}
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}
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