Integrity is the property of preventing unauthorized modifications of an asset. In other words, integrity protects against the threat of tampering. It is one of the three key security properties of an asset, along with confidentiality and availability.

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How does a Sign tool work?

My basic understanding about sign tool is: 1.It loads the zipfile(may be exe,jar,ddl,apk..) which has to be signed to its memory(cache memory of the sign tool). 2.It will verify it, and unzip the ...
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NIST SI-7 experience

On a recent project we have been asked to implement NIST SI-7 parts 1, 3 and 4. I have looked for a full software solution, but cannot find anything like that. Does anyone have any experience on ...
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If someone hacks our server, how can we prevent them from decrypting data stored in Vault?

I have been tasked with evaluating Vault in our company and the first question asked by an architect was: If someone hacks our server, how can we prevent them from decrypting data stored in Vault? ...
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Which is the correct algorithm while checksumming a portion of code?

As part of my research, I came across a technique in a paper which applies checksumming on a portion of code. I want to implement it. Here is the research paper which talks about the checksumming ...
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Are there any specific advantages of using a BLOCKCHAIN tech in the data tier of an organization from a information security perspective?

BLOCKCHAIN seems to be the most talked about tech topic in 2016. A cryptography powered distributed computing technology that has many potential applications. Are there any specific ways / ...
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What are the appropriate steps to take after installing a questionable Android app?

Situation: User installed an Android app from the Google Play Store. User's device is rooted, but that app does not have root privileges. XPrivacy reveals that the app is trying to make IPC ...
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How to Verify the Integrity of the BlackBerry Momentics IDE Download for Linux

I am currently setting up development environments for BB10 apps on Linux workstations. BlackBerry provides their Momentics IDE for free from (https://developer.blackberry.com/native/downloads/). The ...
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AES and message properties

An active attacker changes the ciphertext which was made using the AES cipher algorithm. Which message properties are preserved even though that change was made. Choose one of the below: 1) Integrity ...
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Is the digital declaration just an obscure proposal?

One professor from my university proposed me and some colleagues to work on a paper about the digital declaration (which is supposed to be better than the digital signature) for passing the subject. ...
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Kernel-based integrity measurement of an operating system startup in RAM

This idea is based on the Integrity Measurement Architecture and the usage of a trusted platform module to ensure the integrity of boot procedures. Let's say we have a kernel designed for an embedded ...
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What integrity does the TLS Record Protocol actually provide?

In TLS the "base" protocol is the "TLS Resource Protocol". This protocol is responsible for: securing application data and verifying its integrity and origin. It also uses a HMAC. However this ...
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How to properly store result of AEAD encryption

So for AEAD we have this scheme: encrypt(AD, Data) -> [key, cipher, tag] What if I want to provide some external identifier as an additional data (to be able to prove ext_id to get data back is ...
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How can security models be relevant to the current environment?

I am trying to understand the Clark-Wilson and Brewer Nash Security Models. After deep research, I couldn't find any solution or idea to find out the relevance of these models in the current ...