Moves EncryptedBlob to common

test/common/unit/test_encrypted_blob.py

@@ -0,0 +1,16 @@
+from common.encrypted_blob import EncryptedBlob
+from test.pisa.unit.conftest import get_random_value_hex
+
+
+def test_init_encrypted_blob():
+    # No much to test here, basically that the object is properly created
+    data = get_random_value_hex(64)
+    assert EncryptedBlob(data).data == data
+
+
+def test_equal():
+    data = get_random_value_hex(64)
+    e_blob1 = EncryptedBlob(data)
+    e_blob2 = EncryptedBlob(data)
+
+    assert e_blob1 == e_blob2 and id(e_blob1) != id(e_blob2)