daviddahl

#define SALT_LENGTH 16

int generateKeyFromPassword(char* passphrase, struct keyItem* item)
{
  int i; 
  unsigned char* salt = gcry_random_bytes(SALT_LENGTH, GCRY_STRONG_RANDOM);
  char* keyBuffer;
  size_t keySize = 32;
  gpg_error_t err; 
  unsigned long iterations = 10000;

daviddahl

int generateKeyFromPassword(char* passphrase, struct keyItem* item)
{
  int i; 
  unsigned char* salt = gcry_random_bytes(16, GCRY_STRONG_RANDOM);
  char* keyBuffer;
  size_t saltLen = 16;
  size_t keySize = 32;
  gpg_error_t err; 
  unsigned long iterations = 10000;

daviddahl

(gdb) break gcry_kdf_derive
Breakpoint 3 at 0x7ffff7b65180
(gdb) r
Starting program: /home/ddahl/code/spideroak/daviddahl/crypton/client/native/src/./pbkdf 

Breakpoint 3, 0x00007ffff7b65180 in gcry_kdf_derive () from /lib/x86_64-linux-gnu/libgcrypt.so.11
(gdb) s
Single stepping until exit from function gcry_kdf_derive,
which has no line number information.
generateKeyFromPassword (passphrase=0x401a5b "password", item=0x7fffffffe118) at pbkdf2.c:45

daviddahl

var app = {};

app.createUser = function(user, password) {
  crypton.generateAccount(user, password, function (err, account){
    if (err) { console.error(err); return;}
    console.log(account);
  })
};

app.auth = function (username, password) {

daviddahl

createItem("my-dossier9", {name: 'foo', address: 123, city: 'chicago'});
window.session.items;
Object {my-dossier8: Item, my-dossier9: Item}
window.session.items['my-dossier8'].value
Object {name: "foo", address: 123, city: "chicago"}

daviddahl

CREATE OR REPLACE FUNCTION notifyUpdatediItem() RETURNS TRIGGER AS $$
  DECLARE
  rec RECORD;
  BEGIN
  FOR rec IN (SELECT getSharedItemNotifees(NEW.item_id)) LOOP
      PERFORM pg_notify('SharedItemUpdated', CAST(rec.to_account_id AS text)|| ' ' || CAST(NEW.name_hmac AS text));
    END LOOP;
  END;
$$ LANGUAGE PLPGSQL;

daviddahl

CREATE OR REPLACE FUNCTION notifyUpdatedItem() RETURNS TRIGGER AS $$
  DECLARE 
    notify_row RECORD;
  BEGIN
    FOR notify_row IN 
      SELECT s.item_session_key_share_id, 
        s.account_id, s.to_account_id, k.item_id, 
	  a.username as toUser, b.username AS fromUser 
        FROM item_session_key_share s 
        JOIN item_session_key k ON 

daviddahl

// We use session.getOrCreateItem in order to create a new item that we can share with others

app.session.getOrCreateItem('myReport', function (err, report) {
  if (err) {
    callback(err);
    return console.error(err);
  }
  // update the report
  report.value = { updated: Date.now(), reportContent: app.reportContent };
  // share this data: 

daviddahl

// Difference between Container Encryption and Item Encryption
// (Short answer: Item Encryption & decryption is identical to container encryoption and decryoption, just 1 step & simpler with no diffs, etc)

// Containers Encryption:
// https://github.com/SpiderOak/crypton/blob/a7e6a76f0c099ef2762c27f85f474bfb1c62727b/client/src/session.js#L663-L699

var selfPeer = new crypton.Peer({
  session: this,
  pubKey: this.account.pubKey,
  signKeyPub: this.account.signKeyPub

daviddahl

Name: 

Date/Time: 

Kloak Version: 

1. Install Kloak from Apple Test Flight
* Bugs, Problems:

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