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Questions tagged [integrity]

The aspect of an object which describes it as unaltered since a reference time at which a description of its state was recorded, or a description of the continued functioning of a property of the object. An example of this is checking whether the MD5 hash of this file is the same as the MD5 hash that was calculated yesterday, to ensure the file was unaltered.

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Android: Verifying the application's integrity on the server side

I'm writing an Android app that communicates via HTTPS with a server application. On the server side, I have to be absolutely sure about the Android app's integrity. This means that the server app needs to be sure that it's communicating with the…
Peter
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django cannot fix integrity error

I've decided to drop a row from a field from a database i'm setting up in django. I've deleted it in models/form and completely re-ran the database (makemigrations, migrate). However, no matter what I do i keep getting an integrity error (NOT NULL…
Abjilla22
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How to Introspect normal world from secure world using TrustZone?

I have learned that secure world can protect critical data from being accessed by normal world, What I don't understand is that how do I measure the integrity of normal world from secure world. I find some relevant work in the Samsung TZ-RKP and…
Tgn Yang
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Is there a 2 or 3-bit checksum algorithm

Is there a 2 or 3 bit checksum algorithm that I can use to check my 6 bits of data for errors which I am reading in from an optical sensor that detects 8 bit patterns? I was not able to find anything.
Benedikt M.
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IntegrityError when saving user with username=email

I have modified my application, so that when a new user is registered, it's username and email are the same. But when a new user is created, I'm getting IntegrityError : (1062, "Duplicate entry 'my@email.com' for key 'username'"), still the user is…
muntu
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Data integrity before migration

I have to migrate 1.5TB of data from a Subversion to a perforce server. Is there any tool I can use to check if there is errors in the files?
Simon du Four
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How do I verify the integrity of a Sybase dump file, without trying to load it?

Here's the scenario - a client uploads a Sybase dump file to (gzipped) to our local FTP server. We have an automated process which picks these up and then moves them to different server within the network where the database server resides.…
ninesided
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Data integrity in concurrency environment

We know that DBMS harness many technique to ensure the data integrity and satisfying the ACID properties when there are many transactions running simultaneously in a concurrency environment. Apart from setting Isolation Level, what other means taken…
didxga
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How to salvage referential integrity with mutiple databases

I am in the middle of designing a system that will be used to feed several production sites around the country (all information is in one site) with the potential to add more. Initially I thought that I could get away with only using one database. …
Chris Kloberdanz
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Checking the integrity of a copied folder

I am copying a big folder (300Gb) into an external hard drive. I want to make sure the copied file is complete and not corrupt before deleting the original file. How can I do that in ubuntu?
bigTree
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Achieving referential integrity in an Employee, Manager and Department relationship

I found a case in ER where for the life of me I can't figure out how to achieve referential integrity. The classical Employee, Manager, Department relationship can illustrate this problem. With the following constraints: Employee can work in only…
Maksym Bykovskyy
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Delete a queue via Database

Currently I run some tests with OTRS. I searched for a possibility to delete the waste queues and found somewhere a tip to do that via deleting the records in the database. Proceed: Removing constraint: ALTER TABLE queue_standard_response DROP…
chuckmensch
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Does RandomAccessFile.close() internally call FileChannel.force()?

I am using RandomAccessFile to perform some writes to a file as part of a transaction. Before I commit my transaction, I want to be absolutely sure that the data is written to disk. Calling force(boolean) on the RAF's FileChannel appears to provide…
Chris B
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*-property of Biba model

In Dieter Gollmann's Computer security book, under Biba model, *-property is explained as follows. If subject s can read (observe) object o, then s can have write access to some other object p only if fo(p)<=fo(o). I expect that the ultimate idea…
Bee
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Errors between two models with OneToOne relation (Integrity constraint violation)

I have a problem with Doctrine 2 and OneToOne relation when it's the time to insert new infos in the database. Model: User.php
Jean-Philippe Rivard Lauzier
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