Adds support for encrypted media uploads on NIP-17 DMs

quartz/src/androidTest/java/com/vitorpamplona/quartz/crypto/nip17/AESGCMTest.kt

@@ -0,0 +1,57 @@
+/**
+ * Copyright (c) 2024 Vitor Pamplona
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
+ * Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+package com.vitorpamplona.quartz.crypto.nip17
+
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.platform.app.InstrumentationRegistry.getInstrumentation
+import com.vitorpamplona.quartz.crypto.CryptoUtils.decrypt
+import com.vitorpamplona.quartz.encoders.hexToByteArray
+import junit.framework.TestCase.assertEquals
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class AESGCMTest {
+    val decryptionNonce = "01e77c94bd5aba3e3cbb69594e7ba07c"
+    val decryptionKey = "c128ecffab90ee7810e3df08e7fb2cc39a8d40f24201f48b2b36e23b34ac50ee"
+
+    val cipher = AESGCM(decryptionKey.hexToByteArray(), decryptionNonce.toByteArray(Charsets.UTF_8))
+
+    @Test
+    fun encryptDecrypt() {
+        val encrypted = cipher.encrypt("Testing".toByteArray(Charsets.UTF_8))
+        val decrypted = cipher.decrypt(encrypted)
+
+        assertEquals("Testing", String(decrypted))
+    }
+
+    @Test
+    fun imageTest() {
+        val image =
+            getInstrumentation().context.assets.open("ovxxk2vz.jpg").use {
+                it.readAllBytes()
+            }
+
+        val decrypted = cipher.decrypt(image)
+
+        assertEquals(44201, decrypted.size)
+    }
+}