diff options
author | Andreas Straub <andy@strb.org> | 2015-06-26 15:41:02 +0200 |
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committer | Andreas Straub <andy@strb.org> | 2015-07-19 21:32:26 +0200 |
commit | 299bbdf27f0144e6eed99e70a3b2e46f9a3aa301 (patch) | |
tree | 3106c9f625de3d3da47f576e66a3379f82373957 /src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlMessage.java | |
parent | 065519d3f39f0a7b925157b50e4435957f63d8ae (diff) |
Reformat code to use tabs
This really sucks to do it like this. Sorry. :(
Diffstat (limited to 'src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlMessage.java')
-rw-r--r-- | src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlMessage.java | 320 |
1 files changed, 160 insertions, 160 deletions
diff --git a/src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlMessage.java b/src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlMessage.java index 4b87fc5c..e1b95650 100644 --- a/src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlMessage.java +++ b/src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlMessage.java @@ -21,164 +21,164 @@ import eu.siacs.conversations.entities.Contact; import eu.siacs.conversations.xml.Element; public class XmppAxolotlMessage { - private byte[] innerKey; - private byte[] ciphertext; - private byte[] iv; - private final Set<XmppAxolotlMessageHeader> headers; - private final Contact contact; - private final int sourceDeviceId; - - public static class XmppAxolotlMessageHeader { - private final int recipientDeviceId; - private final byte[] content; - - public XmppAxolotlMessageHeader(int deviceId, byte[] content) { - this.recipientDeviceId = deviceId; - this.content = content; - } - - public XmppAxolotlMessageHeader(Element header) { - if("header".equals(header.getName())) { - this.recipientDeviceId = Integer.parseInt(header.getAttribute("rid")); - this.content = Base64.decode(header.getContent(),Base64.DEFAULT); - } else { - throw new IllegalArgumentException("Argument not a <header> Element!"); - } - } - - public int getRecipientDeviceId() { - return recipientDeviceId; - } - - public byte[] getContents() { - return content; - } - - public Element toXml() { - Element headerElement = new Element("header"); - // TODO: generate XML - headerElement.setAttribute("rid", getRecipientDeviceId()); - headerElement.setContent(Base64.encodeToString(getContents(), Base64.DEFAULT)); - return headerElement; - } - } - - public static class XmppAxolotlPlaintextMessage { - private final AxolotlService.XmppAxolotlSession session; - private final String plaintext; - - public XmppAxolotlPlaintextMessage(AxolotlService.XmppAxolotlSession session, String plaintext) { - this.session = session; - this.plaintext = plaintext; - } - - public String getPlaintext() { - return plaintext; - } - } - - public XmppAxolotlMessage(Contact contact, Element axolotlMessage) { - this.contact = contact; - this.sourceDeviceId = Integer.parseInt(axolotlMessage.getAttribute("id")); - this.headers = new HashSet<>(); - for(Element child:axolotlMessage.getChildren()) { - switch(child.getName()) { - case "header": - headers.add(new XmppAxolotlMessageHeader(child)); - break; - case "message": - iv = Base64.decode(child.getAttribute("iv"),Base64.DEFAULT); - ciphertext = Base64.decode(child.getContent(),Base64.DEFAULT); - break; - default: - break; - } - } - } - - public XmppAxolotlMessage(Contact contact, int sourceDeviceId, String plaintext) { - this.contact = contact; - this.sourceDeviceId = sourceDeviceId; - this.headers = new HashSet<>(); - this.encrypt(plaintext); - } - - private void encrypt(String plaintext) { - try { - KeyGenerator generator = KeyGenerator.getInstance("AES"); - generator.init(128); - SecretKey secretKey = generator.generateKey(); - Cipher cipher = Cipher.getInstance("AES/CTR/NoPadding"); - cipher.init(Cipher.ENCRYPT_MODE, secretKey); - this.innerKey = secretKey.getEncoded(); - this.iv = cipher.getIV(); - this.ciphertext = cipher.doFinal(plaintext.getBytes()); - } catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException - | IllegalBlockSizeException | BadPaddingException e) { - - } - } - - public Contact getContact() { - return this.contact; - } - - public int getSenderDeviceId() { - return sourceDeviceId; - } - - public byte[] getCiphertext() { - return ciphertext; - } - - public Set<XmppAxolotlMessageHeader> getHeaders() { - return headers; - } - - public void addHeader(XmppAxolotlMessageHeader header) { - headers.add(header); - } - - public byte[] getInnerKey(){ - return innerKey; - } - - public byte[] getIV() { - return this.iv; - } - - public Element toXml() { - // TODO: generate outer XML, add in header XML - Element message= new Element("axolotl_message", AxolotlService.PEP_PREFIX); - message.setAttribute("id", sourceDeviceId); - for(XmppAxolotlMessageHeader header: headers) { - message.addChild(header.toXml()); - } - Element payload = message.addChild("message"); - payload.setAttribute("iv",Base64.encodeToString(iv, Base64.DEFAULT)); - payload.setContent(Base64.encodeToString(ciphertext,Base64.DEFAULT)); - return message; - } - - - public XmppAxolotlPlaintextMessage decrypt(AxolotlService.XmppAxolotlSession session, byte[] key) { - XmppAxolotlPlaintextMessage plaintextMessage = null; - try { - - Cipher cipher = Cipher.getInstance("AES/CTR/NoPadding"); - SecretKeySpec keySpec = new SecretKeySpec(key, "AES"); - IvParameterSpec ivSpec = new IvParameterSpec(iv); - - cipher.init(Cipher.DECRYPT_MODE, keySpec, ivSpec); - - String plaintext = new String(cipher.doFinal(ciphertext)); - plaintextMessage = new XmppAxolotlPlaintextMessage(session, plaintext); - - } catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException - | InvalidAlgorithmParameterException | IllegalBlockSizeException - | BadPaddingException e) { - throw new AssertionError(e); - } - return plaintextMessage; - } + private byte[] innerKey; + private byte[] ciphertext; + private byte[] iv; + private final Set<XmppAxolotlMessageHeader> headers; + private final Contact contact; + private final int sourceDeviceId; + + public static class XmppAxolotlMessageHeader { + private final int recipientDeviceId; + private final byte[] content; + + public XmppAxolotlMessageHeader(int deviceId, byte[] content) { + this.recipientDeviceId = deviceId; + this.content = content; + } + + public XmppAxolotlMessageHeader(Element header) { + if("header".equals(header.getName())) { + this.recipientDeviceId = Integer.parseInt(header.getAttribute("rid")); + this.content = Base64.decode(header.getContent(),Base64.DEFAULT); + } else { + throw new IllegalArgumentException("Argument not a <header> Element!"); + } + } + + public int getRecipientDeviceId() { + return recipientDeviceId; + } + + public byte[] getContents() { + return content; + } + + public Element toXml() { + Element headerElement = new Element("header"); + // TODO: generate XML + headerElement.setAttribute("rid", getRecipientDeviceId()); + headerElement.setContent(Base64.encodeToString(getContents(), Base64.DEFAULT)); + return headerElement; + } + } + + public static class XmppAxolotlPlaintextMessage { + private final AxolotlService.XmppAxolotlSession session; + private final String plaintext; + + public XmppAxolotlPlaintextMessage(AxolotlService.XmppAxolotlSession session, String plaintext) { + this.session = session; + this.plaintext = plaintext; + } + + public String getPlaintext() { + return plaintext; + } + } + + public XmppAxolotlMessage(Contact contact, Element axolotlMessage) { + this.contact = contact; + this.sourceDeviceId = Integer.parseInt(axolotlMessage.getAttribute("id")); + this.headers = new HashSet<>(); + for(Element child:axolotlMessage.getChildren()) { + switch(child.getName()) { + case "header": + headers.add(new XmppAxolotlMessageHeader(child)); + break; + case "message": + iv = Base64.decode(child.getAttribute("iv"),Base64.DEFAULT); + ciphertext = Base64.decode(child.getContent(),Base64.DEFAULT); + break; + default: + break; + } + } + } + + public XmppAxolotlMessage(Contact contact, int sourceDeviceId, String plaintext) { + this.contact = contact; + this.sourceDeviceId = sourceDeviceId; + this.headers = new HashSet<>(); + this.encrypt(plaintext); + } + + private void encrypt(String plaintext) { + try { + KeyGenerator generator = KeyGenerator.getInstance("AES"); + generator.init(128); + SecretKey secretKey = generator.generateKey(); + Cipher cipher = Cipher.getInstance("AES/CTR/NoPadding"); + cipher.init(Cipher.ENCRYPT_MODE, secretKey); + this.innerKey = secretKey.getEncoded(); + this.iv = cipher.getIV(); + this.ciphertext = cipher.doFinal(plaintext.getBytes()); + } catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException + | IllegalBlockSizeException | BadPaddingException e) { + + } + } + + public Contact getContact() { + return this.contact; + } + + public int getSenderDeviceId() { + return sourceDeviceId; + } + + public byte[] getCiphertext() { + return ciphertext; + } + + public Set<XmppAxolotlMessageHeader> getHeaders() { + return headers; + } + + public void addHeader(XmppAxolotlMessageHeader header) { + headers.add(header); + } + + public byte[] getInnerKey(){ + return innerKey; + } + + public byte[] getIV() { + return this.iv; + } + + public Element toXml() { + // TODO: generate outer XML, add in header XML + Element message= new Element("axolotl_message", AxolotlService.PEP_PREFIX); + message.setAttribute("id", sourceDeviceId); + for(XmppAxolotlMessageHeader header: headers) { + message.addChild(header.toXml()); + } + Element payload = message.addChild("message"); + payload.setAttribute("iv",Base64.encodeToString(iv, Base64.DEFAULT)); + payload.setContent(Base64.encodeToString(ciphertext,Base64.DEFAULT)); + return message; + } + + + public XmppAxolotlPlaintextMessage decrypt(AxolotlService.XmppAxolotlSession session, byte[] key) { + XmppAxolotlPlaintextMessage plaintextMessage = null; + try { + + Cipher cipher = Cipher.getInstance("AES/CTR/NoPadding"); + SecretKeySpec keySpec = new SecretKeySpec(key, "AES"); + IvParameterSpec ivSpec = new IvParameterSpec(iv); + + cipher.init(Cipher.DECRYPT_MODE, keySpec, ivSpec); + + String plaintext = new String(cipher.doFinal(ciphertext)); + plaintextMessage = new XmppAxolotlPlaintextMessage(session, plaintext); + + } catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException + | InvalidAlgorithmParameterException | IllegalBlockSizeException + | BadPaddingException e) { + throw new AssertionError(e); + } + return plaintextMessage; + } } |