35 lines
1.1 KiB
Java
35 lines
1.1 KiB
Java
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package org.bouncycastle.jcajce.provider.asymmetric.util;
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import java.util.HashSet;
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import java.util.Set;
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import org.bouncycastle.asn1.oiw.OIWObjectIdentifiers;
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import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;
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import org.bouncycastle.util.Strings;
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/* loaded from: classes6.dex */
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public class DESUtil {
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private static final Set<String> des;
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public static void setOddParity(byte[] bArr) {
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for (int i = 0; i < bArr.length; i++) {
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byte b = bArr[i];
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bArr[i] = (byte) ((b & 254) | ((((b >> 7) ^ ((((((b >> 1) ^ (b >> 2)) ^ (b >> 3)) ^ (b >> 4)) ^ (b >> 5)) ^ (b >> 6))) ^ 1) & 1));
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}
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}
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public static boolean isDES(String str) {
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return des.contains(Strings.toUpperCase(str));
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}
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static {
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HashSet hashSet = new HashSet();
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des = hashSet;
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hashSet.add("DES");
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hashSet.add("DESEDE");
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hashSet.add(OIWObjectIdentifiers.desCBC.getId());
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hashSet.add(PKCSObjectIdentifiers.des_EDE3_CBC.getId());
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hashSet.add(PKCSObjectIdentifiers.des_EDE3_CBC.getId());
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hashSet.add(PKCSObjectIdentifiers.id_alg_CMS3DESwrap.getId());
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}
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}
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