1package org.bouncycastle.jcajce.provider.digest;
2
3import org.bouncycastle.asn1.ASN1ObjectIdentifier;
4import org.bouncycastle.jcajce.provider.config.ConfigurableProvider;
5import org.bouncycastle.jcajce.provider.util.AlgorithmProvider;
6
7abstract class DigestAlgorithmProvider
8    extends AlgorithmProvider
9{
10    protected void addHMACAlgorithm(
11        ConfigurableProvider provider,
12        String algorithm,
13        String algorithmClassName,
14        String keyGeneratorClassName)
15    {
16        String mainName = "HMAC" + algorithm;
17
18        provider.addAlgorithm("Mac." + mainName, algorithmClassName);
19        provider.addAlgorithm("Alg.Alias.Mac.HMAC-" + algorithm, mainName);
20        provider.addAlgorithm("Alg.Alias.Mac.HMAC/" + algorithm, mainName);
21        provider.addAlgorithm("KeyGenerator." + mainName, keyGeneratorClassName);
22        provider.addAlgorithm("Alg.Alias.KeyGenerator.HMAC-" + algorithm, mainName);
23        provider.addAlgorithm("Alg.Alias.KeyGenerator.HMAC/" + algorithm, mainName);
24    }
25
26    protected void addHMACAlias(
27        ConfigurableProvider provider,
28        String algorithm,
29        ASN1ObjectIdentifier oid)
30    {
31        String mainName = "HMAC" + algorithm;
32
33        provider.addAlgorithm("Alg.Alias.Mac." + oid, mainName);
34        provider.addAlgorithm("Alg.Alias.KeyGenerator." + oid, mainName);
35    }
36}
37