1 files changed, 15 insertions, 0 deletions
diff --git a/pkix/src/main/java/org/spongycastle/cert/crmf/PKMACValuesCalculator.java b/pkix/src/main/java/org/spongycastle/cert/crmf/PKMACValuesCalculator.java
new file mode 100644
index 00000000..0b4f1407
--- /dev/null
+++ b/pkix/src/main/java/org/spongycastle/cert/crmf/PKMACValuesCalculator.java
@@ -0,0 +1,15 @@
+package org.spongycastle.cert.crmf;
+
+import org.spongycastle.asn1.x509.AlgorithmIdentifier;
+
+public interface PKMACValuesCalculator
+{
+    void setup(AlgorithmIdentifier digestAlg, AlgorithmIdentifier macAlg)
+        throws CRMFException;
+
+    byte[] calculateDigest(byte[] data)
+        throws CRMFException;
+
+    byte[] calculateMac(byte[] pwd, byte[] data)
+        throws CRMFException;
+}