introduce CryptoOperationParcel for nfc data

1 files changed, 52 insertions, 0 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/input/CryptoOperationParcel.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/input/CryptoOperationParcel.java
new file mode 100644
index 000000000..2101755ad
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/input/CryptoOperationParcel.java
@@ -0,0 +1,52 @@
+package org.sufficientlysecure.keychain.service.input;
+
+import java.nio.ByteBuffer;
+import java.util.Date;
+import java.util.HashMap;
+
+import android.os.Parcel;
+import android.os.Parcelable;
+
+
+/** This is a base class for the input of crypto operations.
+ *
+ */
+public abstract class CryptoOperationParcel implements Parcelable {
+
+    Date mOperationTime;
+
+    // this map contains both decrypted session keys and signed hashes to be
+    // used in the crypto operation described by this parcel.
+    HashMap<ByteBuffer,byte[]> mCryptoData;
+
+    protected CryptoOperationParcel(Date operationTime) {
+        mOperationTime = operationTime;
+    }
+
+    protected CryptoOperationParcel(Parcel source) {
+        mOperationTime = new Date(source.readLong());
+
+        {
+            int count = source.readInt();
+            mCryptoData = new HashMap<>(count);
+            for (int i = 0; i < count; i++) {
+                byte[] key = source.createByteArray();
+                byte[] value = source.createByteArray();
+                mCryptoData.put(ByteBuffer.wrap(key), value);
+            }
+        }
+
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeLong(mOperationTime.getTime());
+
+        dest.writeInt(mCryptoData.size());
+        for (HashMap.Entry<ByteBuffer,byte[]> entry : mCryptoData.entrySet()) {
+            dest.writeByteArray(entry.getKey().array());
+            dest.writeByteArray(entry.getValue());
+        }
+    }
+
+}