diff --git a/src/java/foundation/pEp/jniadapter/Blob.java b/src/java/foundation/pEp/jniadapter/Blob.java
index 4fdffa4..8685328 100644
--- a/src/java/foundation/pEp/jniadapter/Blob.java
+++ b/src/java/foundation/pEp/jniadapter/Blob.java
@@ -1,7 +1,8 @@
 package foundation.pEp.jniadapter;
 
-import foundation.pEp.jniadapter.interfaces.*;
+import foundation.pEp.jniadapter.interfaces.BlobInterface;
 import java.io.Serializable;
+import java.util.Arrays;
 
 public class Blob implements BlobInterface, Serializable {
     public byte[] data;
@@ -36,5 +37,29 @@ public class Blob implements BlobInterface, Serializable {
         return ret;
     }
 
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null) return false;
+        if (this.getClass() != o.getClass()) return false;
+        boolean ret = false;
+        Blob blob = (Blob) o;
+        if (Arrays.equals(data, blob.data)) {
+            if (this.mime_type.equals(((Blob) o).mime_type)) {
+                if (Utils.URIEqual(this.filename, ((Blob) o).filename)) {
+                    ret = true;
+                }
+            }
+        }
+        return ret;
+    }
+
+    @Override
+    public int hashCode() {
+        int result = mime_type == null ? 0 : mime_type.hashCode();
+        result = 31 * result + Utils.URIHash(filename);
+        result = 31 * result + Arrays.hashCode(data);
+        return result;
+    }
 }
 
diff --git a/src/java/foundation/pEp/jniadapter/Utils.java b/src/java/foundation/pEp/jniadapter/Utils.java
index f701794..93027c1 100644
--- a/src/java/foundation/pEp/jniadapter/Utils.java
+++ b/src/java/foundation/pEp/jniadapter/Utils.java
@@ -116,12 +116,24 @@ public class Utils {
     }
 
     public static boolean URIEqual(String left, String right) {
-        Pattern pattern = Pattern.compile("^.*?://");
-        Matcher leftMatcher = pattern.matcher(left.trim());
-        String leftRelevant = leftMatcher.replaceAll("");
-        Matcher rightMatcher = pattern.matcher(right.trim());
-        String rightRelevant = rightMatcher.replaceAll("");
+        if(left == right) return true;
+        if(left == null) return false;
+        if(right == null) return false;
+        return URITrim(left).equals(URITrim(right));
+    }
+
+    // Returns the hash of a string that represents a URI
+    // Returns 0 if uri i null
+    public static int URIHash(String uri) {
+        if(uri == null) {
+            return 0;
+        }
+        return URITrim(uri).hashCode();
+    }
 
-        return rightRelevant.equals(leftRelevant);
+    private static String URITrim(String uri) {
+        Pattern pattern = Pattern.compile("^.*?://");
+        Matcher leftMatcher = pattern.matcher(uri.trim());
+        return leftMatcher.replaceAll("");
     }
 }
diff --git a/test/java/foundation/pEp/jniadapter/test/jni132/Makefile b/test/java/foundation/pEp/jniadapter/test/jni132/Makefile
new file mode 100644
index 0000000..13f095e
--- /dev/null
+++ b/test/java/foundation/pEp/jniadapter/test/jni132/Makefile
@@ -0,0 +1,34 @@
+include ../../../../../../../Makefile.conf
+include ../Makefile.conf
+
+TEST_UNIT_NAME=jni132
+
+JAVA_CLASSES+= \
+ 	TestAlice.class
+
+.PHONY: pitytest compile alice test clean
+
+all: alice compile
+
+pitytest:
+	$(MAKE) -C $(PITYTEST_DIR)
+
+alice: compile clean-pep-home-alice
+	cd $(JAVA_CWD);pwd;HOME=$(JAVA_PEP_HOME_DIR_ALICE) $(JAVA) $(JAVA_PKG_BASENAME).$(TEST_UNIT_NAME).TestAlice
+
+compile: $(JAVA_CLASSES) pitytest
+
+%.class: %.java
+	cd $(JAVA_CWD);javac -cp $(CLASSPATH) $(JAVA_PKG_BASEPATH)/$(TEST_UNIT_NAME)/$<
+
+clean:
+	rm -f $(JAVA_CLASSES)
+	rm -f *.class
+	rm -f *.log
+	rm -Rf .gnupg
+	rm -Rf .lldb
+
+clean-pep-home: clean-pep-home-alice
+
+clean-pep-home-alice:
+	rm -rf $(PEP_HOME_DIR_ALICE)/.pEp
diff --git a/test/java/foundation/pEp/jniadapter/test/jni132/TestAlice.java b/test/java/foundation/pEp/jniadapter/test/jni132/TestAlice.java
new file mode 100644
index 0000000..83f9f8e
--- /dev/null
+++ b/test/java/foundation/pEp/jniadapter/test/jni132/TestAlice.java
@@ -0,0 +1,93 @@
+package foundation.pEp.jniadapter.test.jni132;
+
+
+import foundation.pEp.jniadapter.Blob;
+import foundation.pEp.jniadapter.test.utils.AdapterTestUtils;
+import foundation.pEp.jniadapter.test.utils.CTXBase;
+import foundation.pEp.pitytest.TestSuite;
+import foundation.pEp.pitytest.TestUnit;
+import foundation.pEp.pitytest.utils.TestUtils;
+
+import java.util.Arrays;
+/*
+JNI-132 - implement java.object.equals() for Blob
+
+tests equality definition of Blob
+
+equality definition:
+- bytewise equality of data
+- URI equality of filename
+- bytewise equality of mime_type
+*/
+
+
+class TestAlice {
+    public static void main(String[] args) throws Exception {
+        TestSuite.getDefault().setVerbose(true);
+        TestSuite.getDefault().setTestColor(TestUtils.TermColor.GREEN);
+        CTXBase jni132Ctx = new CTXBase();
+
+        // SAME
+        new TestUnit<CTXBase>("Blob.equals() equality", new CTXBase(), ctx -> {
+            Blob one = AdapterTestUtils.makeNewTestBlob("testBlob data", "testblobfilename", null);
+            Blob two = AdapterTestUtils.makeNewTestBlob("testBlob data", "testblobfilename", null);
+            assert one.equals(two) : "\n" + one.toString() + "\n" + "does not equal:\n" + two.toString();
+        });
+
+        new TestUnit<CTXBase>("Blob.equals() equality", new CTXBase(), ctx -> {
+            Blob one = AdapterTestUtils.makeNewTestBlob("testBlob data", "file://testblobfilename", null);
+            Blob two = AdapterTestUtils.makeNewTestBlob("testBlob data", "testblobfilename", null);
+            assert one.equals(two) : "\n" + one.toString() + "\n" + "does not equal:\n" + two.toString();
+        });
+
+        new TestUnit<CTXBase>("Blob.equals() equality", new CTXBase(), ctx -> {
+            Blob one = AdapterTestUtils.makeNewTestBlob(1000000, "testfilename", "anything goes");
+            Blob two = new Blob();
+            two.mime_type = new String(one.mime_type);
+            two.filename = new String(one.filename);
+            two.data = Arrays.copyOf(one.data, one.data.length);
+            assert one.equals(two) : "\n" + one.toString() + "\n" + "does not equal:\n" + two.toString();
+        });
+
+        new TestUnit<CTXBase>("Blob.equals() equality", new CTXBase(), ctx -> {
+            Blob one = AdapterTestUtils.makeNewTestBlob(1000000, "file://testfilename", "anything goes");
+            Blob two = new Blob();
+            two.mime_type = new String(one.mime_type);
+            two.filename = new String(one.filename);
+            two.data = Arrays.copyOf(one.data, one.data.length);
+            assert one.equals(two) : "\n" + one.toString() + "\n" + "does not equal:\n" + two.toString();
+        });
+
+        // NOT SAME
+        new TestUnit<CTXBase>("Blob.equals() - diff mime_type", new CTXBase(), ctx -> {
+            Blob one = ctx.attachment1KB;
+            Blob two = new Blob();
+            two.mime_type = "diff";
+            two.filename = ctx.attachment1KB.filename;
+            two.data = ctx.attachment1KB.data;
+            assert !one.equals(two) : "\n" + one.toString() + "\n" + "equals:\n" + two.toString();
+        });
+
+        new TestUnit<CTXBase>("Blob.equals() diff filename", new CTXBase(), ctx -> {
+            Blob one = ctx.attachment1KB;
+            Blob two = new Blob();
+            two.mime_type = ctx.attachment1KB.mime_type;
+            two.filename = "diff";
+            two.data = ctx.attachment1KB.data;
+            assert !one.equals(two) : "\n" + one.toString() + "\n" + "equals:\n" + two.toString();
+        });
+
+        new TestUnit<CTXBase>("Blob.equals() diff data", new CTXBase(), ctx -> {
+            Blob one = ctx.attachment1KB;
+            Blob two = new Blob();
+            two.mime_type = ctx.attachment1KB.mime_type;
+            two.filename = ctx.attachment1KB.filename;
+            two.data = ctx.attachment1MB.data;
+            assert !one.equals(two) : "\n" + one.toString() + "\n" + "equals:\n" + two.toString();
+        });
+
+        TestSuite.getDefault().run();
+    }
+}
+
+