Differential D17320 Diff 46811 src/org/kde/kdeconnect/Helpers/SecurityHelpers/RsaHelper.java

Changeset View

Standalone View

View Options

src/org/kde/kdeconnect/Helpers/SecurityHelpers/RsaHelper.java

Show First 20 Lines • Show All 110 Lines • ▼ Show 20 Line(s)103 while (serialized.length() > 0) {
111 encryptedChunk = cipher.doFinal(chunkBytes); 111​ encryptedChunk = cipher.doFinal(chunkBytes);
112 chunks.put(Base64.encodeToString(encryptedChunk, Base64.NO_WRAP)); 112​ chunks.put(Base64.encodeToString(encryptedChunk, Base64.NO_WRAP));
113 } 113​ }
114 114​
115 //Log.i("NetworkPacket", "Encrypted " + chunks.length()+" chunks"); 115​ //Log.i("NetworkPacket", "Encrypted " + chunks.length()+" chunks");
116 116​
117 NetworkPacket encrypted = new NetworkPacket(NetworkPacket.PACKET_TYPE_ENCRYPTED); 117​ NetworkPacket encrypted = new NetworkPacket(NetworkPacket.PACKET_TYPE_ENCRYPTED);
118 encrypted.set("data", chunks); 118​ encrypted.set("data", chunks);
119 encrypted.setPayload(np.getPayload(), np.getPayloadSize()); 119​ encrypted.setPayload(np.getPayload());
120 return encrypted; 120​ return encrypted;
121 121​
122 } 122​ }
123 123​
124 public static NetworkPacket decrypt(NetworkPacket np, PrivateKey privateKey) throws GeneralSecurityException, JSONException { 124​ public static NetworkPacket decrypt(NetworkPacket np, PrivateKey privateKey) throws GeneralSecurityException, JSONException {
125 125​
126 JSONArray chunks = np.getJSONArray("data"); 126​ JSONArray chunks = np.getJSONArray("data");
127 127​
128 Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1PADDING"); 128​ Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1PADDING");
129 cipher.init(Cipher.DECRYPT_MODE, privateKey); 129​ cipher.init(Cipher.DECRYPT_MODE, privateKey);
130 130​
131 StringBuilder decryptedJson = new StringBuilder(); 131​ StringBuilder decryptedJson = new StringBuilder();
132 for (int i = 0; i < chunks.length(); i++) { 132​ for (int i = 0; i < chunks.length(); i++) {
133 byte[] encryptedChunk = Base64.decode(chunks.getString(i), Base64.NO_WRAP); 133​ byte[] encryptedChunk = Base64.decode(chunks.getString(i), Base64.NO_WRAP);
134 String decryptedChunk = new String(cipher.doFinal(encryptedChunk)); 134​ String decryptedChunk = new String(cipher.doFinal(encryptedChunk));
135 decryptedJson.append(decryptedChunk); 135​ decryptedJson.append(decryptedChunk);
136 } 136​ }
137 137​
138 NetworkPacket decrypted = NetworkPacket.unserialize(decryptedJson.toString()); 138​ NetworkPacket decrypted = NetworkPacket.unserialize(decryptedJson.toString());
139 decrypted.setPayload(np.getPayload(), np.getPayloadSize()); 139​ decrypted.setPayload(np.getPayload());
140 return decrypted; 140​ return decrypted;
141 } 141​ }
142 142​
143 143​
144} 144​}