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Diffstat (limited to 'libraries/spongycastle/pkix/src/main/jdk1.1/org/spongycastle/cert/crmf/jcajce/JcePKMACValuesCalculator.java')
-rw-r--r--libraries/spongycastle/pkix/src/main/jdk1.1/org/spongycastle/cert/crmf/jcajce/JcePKMACValuesCalculator.java70
1 files changed, 70 insertions, 0 deletions
diff --git a/libraries/spongycastle/pkix/src/main/jdk1.1/org/spongycastle/cert/crmf/jcajce/JcePKMACValuesCalculator.java b/libraries/spongycastle/pkix/src/main/jdk1.1/org/spongycastle/cert/crmf/jcajce/JcePKMACValuesCalculator.java
new file mode 100644
index 000000000..4aaff8618
--- /dev/null
+++ b/libraries/spongycastle/pkix/src/main/jdk1.1/org/spongycastle/cert/crmf/jcajce/JcePKMACValuesCalculator.java
@@ -0,0 +1,70 @@
+package org.spongycastle.cert.crmf.jcajce;
+
+import java.security.GeneralSecurityException;
+import java.security.MessageDigest;
+import java.security.Provider;
+import java.security.InvalidKeyException;
+
+import javax.crypto.Mac;
+import javax.crypto.spec.SecretKeySpec;
+
+import org.spongycastle.asn1.x509.AlgorithmIdentifier;
+import org.spongycastle.cert.crmf.CRMFException;
+import org.spongycastle.cert.crmf.PKMACValuesCalculator;
+import org.spongycastle.jcajce.DefaultJcaJceHelper;
+import org.spongycastle.jcajce.NamedJcaJceHelper;
+import org.spongycastle.jcajce.ProviderJcaJceHelper;
+
+public class JcePKMACValuesCalculator
+ implements PKMACValuesCalculator
+{
+ private MessageDigest digest;
+ private Mac mac;
+ private CRMFHelper helper;
+
+ public JcePKMACValuesCalculator()
+ {
+ this.helper = new CRMFHelper(new DefaultJcaJceHelper());
+ }
+
+ public JcePKMACValuesCalculator setProvider(Provider provider)
+ {
+ this.helper = new CRMFHelper(new ProviderJcaJceHelper(provider));
+
+ return this;
+ }
+
+ public JcePKMACValuesCalculator setProvider(String providerName)
+ {
+ this.helper = new CRMFHelper(new NamedJcaJceHelper(providerName));
+
+ return this;
+ }
+
+ public void setup(AlgorithmIdentifier digAlg, AlgorithmIdentifier macAlg)
+ throws CRMFException
+ {
+ digest = helper.createDigest(digAlg.getAlgorithm());
+ mac = helper.createMac(macAlg.getAlgorithm());
+ }
+
+ public byte[] calculateDigest(byte[] data)
+ {
+ return digest.digest(data);
+ }
+
+ public byte[] calculateMac(byte[] pwd, byte[] data)
+ throws CRMFException
+ {
+ try
+ {
+ mac.init(new SecretKeySpec(pwd, mac.getAlgorithm()));
+
+ return mac.doFinal(data);
+ }
+ catch (InvalidKeyException e)
+ {
+ throw new CRMFException("failure in setup: " + e.getMessage(), e);
+ }
+ }
+}