1 files changed, 40 insertions, 0 deletions
diff --git a/pkix/src/main/java/org/spongycastle/pkcs/bc/BcPKCS12MacCalculatorBuilderProvider.java b/pkix/src/main/java/org/spongycastle/pkcs/bc/BcPKCS12MacCalculatorBuilderProvider.java
new file mode 100644
index 00000000..d5533753
--- /dev/null
+++ b/pkix/src/main/java/org/spongycastle/pkcs/bc/BcPKCS12MacCalculatorBuilderProvider.java
@@ -0,0 +1,40 @@
+package org.spongycastle.pkcs.bc;
+
+import org.spongycastle.asn1.DERNull;
+import org.spongycastle.asn1.pkcs.PKCS12PBEParams;
+import org.spongycastle.asn1.x509.AlgorithmIdentifier;
+import org.spongycastle.operator.MacCalculator;
+import org.spongycastle.operator.OperatorCreationException;
+import org.spongycastle.operator.bc.BcDigestProvider;
+import org.spongycastle.pkcs.PKCS12MacCalculatorBuilder;
+import org.spongycastle.pkcs.PKCS12MacCalculatorBuilderProvider;
+
+public class BcPKCS12MacCalculatorBuilderProvider
+    implements PKCS12MacCalculatorBuilderProvider
+{
+    private BcDigestProvider digestProvider;
+
+    public BcPKCS12MacCalculatorBuilderProvider(BcDigestProvider digestProvider)
+    {
+        this.digestProvider = digestProvider;
+    }
+
+    public PKCS12MacCalculatorBuilder get(final AlgorithmIdentifier algorithmIdentifier)
+    {
+        return new PKCS12MacCalculatorBuilder()
+        {
+            public MacCalculator build(final char[] password)
+                throws OperatorCreationException
+            {
+                PKCS12PBEParams pbeParams = PKCS12PBEParams.getInstance(algorithmIdentifier.getParameters());
+
+                return PKCS12PBEUtils.createMacCalculator(algorithmIdentifier.getAlgorithm(), digestProvider.get(algorithmIdentifier), pbeParams, password);
+            }
+
+            public AlgorithmIdentifier getDigestAlgorithmIdentifier()
+            {
+                return new AlgorithmIdentifier(algorithmIdentifier.getAlgorithm(), DERNull.INSTANCE);
+            }
+        };
+    }
+}