I built sqlcipher with mingw.
I wanted to access sqlite(DB) encrypted in mfc(C++).
So, sqlite3_open () was applied correctly. but, sqlite3_open() did not return a result, so I wanted to use sqlite3_key().
When using sqlite3_key(), sqlite3_key() is not defined.
How do I use sqlite3_key()? Or how do I activate sqlite3_key() function?
sqlite3_open(...) will return a result code. If you are not receiving SQLITE_OK as a result, you may wish to investigate the error code with sqlite3_errcode(...) Alternatively, you might review your build process to make sure everything is compiling properly.
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I am working on SQLite File Encryption. I have added sqlCipher & crypto frameworks successfully in my project.
Now when I try to compile my application on this line
int rc = sqlite3_key(database, [key UTF8String], strlen([key UTF8String]));
it says Implicit declaration of function 'sqlite3_key'
So above line "implicit declaration" sounds to me like function is defined but not declared. But where I have to declared ?
While searching over Internet, under this article, it says like SQLite Encryption Extension(SEE) is not available publically. I have to purchase it of cost around $2000.
SEE -> http://www.hwaci.com/sw/sqlite/see.html
So this is the only reason I am getting Implicit declaration & False response while sqlite encryption process ?
If you are using SQLCipher, you need to define SQLITE_HAS_CODEC in your application's C Flags. Thats all.
Yes, that is the reason you are getting that compiler warning. The function sqlite3_key() is not defined in the version of libsqlite3 included with iOS. Adding in a function declaration isn't going to help-- it would fix that compiler warning, but it would just mean you'll get a linker error since the function isn't defined anywhere.
If you purchased SEE you could probably build your own copy of SQLite, embed it in your app, and just not use the system's libsqlite3. That this would mean you'd have to say "yes" when the app store submission process asks if your app includes encryption, meaning extra paperwork and time before you could submit the app. I'm not certain whether there's any clear indication of whether Apple would accept it even then-- probably they would, but they've been known to surprise people.
To distinguish between development mode and production mode in react native there is the __DEV__ constant defined, when Debug = True.
Is there a similar constant defined, that lets me know within the code, if the code is running on the device or in the simulator?
Where else could I get this kind of information from.
You can use this package, then just do :
console.log(DeviceInfo.getModel()); // it returns 'Simulator'
Since G. Hamaide's answer was posted, the DeviceInfo package has added the method isEmulator.
DeviceInfo.isEmulator()
there's a caveat here, DeviceInfo.isEmulator() returns a promise, so if you use if(DeviceInfo.isEmulator()), it'll return true even if running on a real device.
Use DeviceInfo.isEmulatorSync() or if(await DeviceInfo.isEmulator()).
I am getting the following error when I try to start my Application...
[java.lang.IllegalStateException: java.lang.NullPointerException^M
at com.tivoli.pd.jutil.kb$1.run(kb$1.java:41)^M
at java.security.AccessController.doPrivileged(AccessController.java:229
)^M
at com.tivoli.pd.jutil.kb.c(kb.java:141)^M
at com.tivoli.pd.jutil.kb.(kb.java:56)^M
at com.tivoli.pd.jutil.PDContext.(PDContext.java:76)^M
at com.tivoli.pd.jazn.PDAuthorizationContext.(PDAuthorizationConte
xt.java:66)^M
I double checked the config file was accessible and I could read it. The code I am using looks as follows...
aC = new PDAuthorizationContext(cFile);
Is there a way to get more information on what is causing the NPE?
More information!!!
After debuging a bit, it appears the issue comes from this code (they use progaurd so it is a little hard to be 100% confident)...
Certificate[] arrayOfCertificate1 = ((KeyStore)???).getCertificateChain("DefaultID");
//Throws Null pointer (presumably because array is null)
Certificate localCertificate1 = arrayOfCertificate1[0];
EVEN MORE INFO
This appears to be some kind of dependency conflict (guess), because if I just create a sample App using PDAuthorizationContext it works fine.
Problem was related to the PD.jar version that I was using. Although I thought I was using one version I was using another. This was because on version was registered in my WebSphere library (under build path in eclipse). Once the proper library was introduced everything worked.
I am trying to find out the error for two days but still haven't got this unknown reason figure out.
I have configured and compiled Botan library. Everything goes ok but when try to write this sample code to be run..
S2K* s2k = get_s2k("PBKDF2(SHA-256)");
s2k->set_iterations(4049);
SecureVector<byte> key_and_IV = s2k->derive_key(48, passphrase).bits_of();
SymmetricKey key(key_and_IV, 32);
it says error: 'class Botan::PBKDF' has no member named 'set_iterations'
How can I solve this problem ?
The Botan docs for v1.11.1 report that the function get_s2k() has been deprecated, recommending that you use get_pbkdf() instead.
According to the docs, get_sdk(algospec) just returns the result of a call to get_pbkdf(algo_spec) which will give you a pointer to an instance of the class Botan::PBKDF.
First things first then, your code needs to be something more like:
PBKDF *s2k = getpbkdf("PBKDF2(SHA-256)");
Unfortunately without knowing what you want to do with s2k I can't help any further, as the docs have no reference to a public member function of PBKDF called set_iterations(). You're getting the error you mention because Botan::PBKDF really does have no member named set_iterations. You need to read the docs, work out what the purpose of set_iterations() was in your now deprecated example and hence how to achieve that purpose in the newer version of the library.
Possibly you missed your library header... as your error message says: 'has no member named...'
What is the correct way to force the system to send an invoice to a client. I'm trying to use:
uc_order_action_email($order, $settings);
But I keep getting:
Fatal error: Call to undefined function uc_price() in C:\xampp\htdocs\YourEstablishment\src\sites\all\modules\ubercart\payment\uc_payment\uc_payment.module on line 149
It might be a flaw in the module. The function that it's complaining about, uc_price, is defined in
ubercart/uc_store/includes/uc_price.ini
Since it's located in a ini file, that means that drupal wont include it by it self. I'm not familiar with ubercart, since I've never used it, but it seems like this could be a bug in the module. If no one here can come up with an explanation, you should go to the issue tracker.
A quick fix to your problem would be to add this before you call the function
require_once(drupal_get_path('module', 'uc_store') . '/includes/uc_price.inc');
it will include the needed file.