aes_128 | Only one block | Encryption library

by openluopworld C Version: v0.1.0 License: MIT

X-Ray Key Features Code Snippets Community Discussions(7)Vulnerabilities Install Support

kandi X-RAY | aes_128 Summary

aes_128 is a C library typically used in Security, Encryption applications. aes_128 has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

Implementation of AES-128 in pure C. No modes are given. Only one block of encryption and decryption is given here.

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Security

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Support

aes_128 has a low active ecosystem.

It has 86 star(s) with 47 fork(s). There are 12 watchers for this library.

It had no major release in the last 12 months.

There are 0 open issues and 1 have been closed. On average issues are closed in 14 days. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of aes_128 is v0.1.0

Quality

aes_128 has no bugs reported.

Security

aes_128 has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

aes_128 is licensed under the MIT License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

aes_128 releases are available to install and integrate.

Installation instructions are not available. Examples and code snippets are available.

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aes_128 Key Features

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aes_128 Examples and Code Snippets

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Community Discussions

Trending Discussions on aes_128

What is the difference between cipher algorithms AES and AES_128

How Encrypt with AES CBC Zero Padding in Javascript and decrypt with Java

AWS KMS storing customer master key

Where to use the column-level encryption of SQL?

Android AES encryption with python AES encryption

"java.security.NoSuchAlgorithmException: SHA3-384 MessageDigest not available" with Java 9

AES encryption under contiki on CC2650

QUESTION

What is the difference between cipher algorithms AES and AES_128

Asked 2020-Jan-13 at 17:32

According to documentation for app developers AES_128 and AES_256 are supported from api 26. https://developer.android.com/reference/javax/crypto/Cipher. For example now I'm using AES(GCM mode) with 128 bit key. What is the difference between AES with 128 bit key and AES_128 ?

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ANSWER

Answered 2020-Jan-13 at 10:16

There is no difference between AES with a 128-bit key and AES_128.

As you can see in the docs you linked, previous to API 26 there existed one primitive for AES, with various padding options/modes of operation.

To make things simpler, in API 26+ there is now two primitives to disambiguate the usage of AES with either a definitive 128-bit or 256-bit key.

If you are using AES, you should opt for AES-256 GCM as it provides a authenticated encryption, ensuring that the ciphertext cannot be tampered with, without the recipients knowledge.

AES-GCM operates with a 32-bit counter, so unfortunately with the same key, nonce (IV) pair you can only safely encrypt ~ 64GB of data (2^39-256 bits).

If you want to move to an even safer cipher, I recommend XSalsa20 or XChaCha20, which provide a 192-bit nonce size, effectively allowing a practically "unlimited" amount of data to be encrypted with the same key, nonce pair.

Source https://stackoverflow.com/questions/59714045

QUESTION

How Encrypt with AES CBC Zero Padding in Javascript and decrypt with Java

Asked 2019-Apr-22 at 18:35

I need encrypt in Javascript and Decrypt in Java but when i encrypt in Java the text is diferent, i used a diferent script but same algorithm, AES-128 CBC Zero Padding.

This is for Javascript and Java 7 in Intellij IDEA

Javascript:

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ANSWER

Answered 2019-Apr-22 at 18:35

In the JavaScript-code key and iv have to be passed as WordArrays. For this purpose CryptoJS provides conversion functions:

Source https://stackoverflow.com/questions/55795767

QUESTION

AWS KMS storing customer master key

Asked 2019-Mar-01 at 13:21

I know I'm missing something here but I'm struggling to understand the customer master key concept in AWS KMS. Below is the sample code.

Code to create master key:

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ANSWER

Answered 2019-Mar-01 at 13:21

The master key never leaves AWS and is only accessible by someone with the appropriate access to your account and the key. If they have access to your account and with the appropriate rights to use the key then they can use the master key to encrypt/decrypt your data key. Remember the master key ID is not the actual key, therefore, being in possession of the key ID is not useful outside of the AWS.
You do not store both keys, the master key ID will always be viewable using the console, CLI or SDK(I assume since I have not used it).
The data key is not managed by the KMS service, therefore, you'll have to store it(after encrypting it with the master key) along with the encrypted data.

The answer to your question is... if it happens that an unauthorised individual has a copy of your master key ID and your encrypted data key, there's no way they can use that master key unless they also have access to your AWS user credentials with the appropriate rights to use that master key.

Source https://stackoverflow.com/questions/54944084

QUESTION

Where to use the column-level encryption of SQL?

Asked 2018-Dec-10 at 06:56

I was able to do the column encryption in SQL with the following code:

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ANSWER

Answered 2018-Dec-10 at 06:56

The answers is, that everyone can run DecryptByKey, but not everyone has access to the symmetric key used for protecting the data. There is a strict encryption hierarchy in SQL Server and you have chosen the following path:

Database Master Key is protected password
Certificate protected by DMK
Symmetric key protected by certificate
data encrypted by symmetric key

So, everyone who has access to the symmetric key can used it, but to do that, one needs to have access to the certificate protecting the given symmetric key. That's why, you are using:

Source https://stackoverflow.com/questions/53662348

QUESTION

Android AES encryption with python AES encryption

Asked 2018-Jan-08 at 23:04

I have created the following python code import base64

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ANSWER

Answered 2018-Jan-08 at 23:04

As JamesKPolk pointed out, the padding was wrong. I have solved this by doing the following:

Python has the following

Source https://stackoverflow.com/questions/48158528

QUESTION

"java.security.NoSuchAlgorithmException: SHA3-384 MessageDigest not available" with Java 9

Asked 2018-Jan-05 at 13:53

I tried to invoke hash(String plainText) function mentioned below -

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ANSWER

Answered 2017-Dec-31 at 07:11

OpenJdk 9 should also have this implemented as per below link.

JEP 287: SHA-3 Hash Algorithms

Try running below code into your environment are see what all algorithms are supported.

Source https://stackoverflow.com/questions/48040299

QUESTION

AES encryption under contiki on CC2650

Asked 2017-Nov-03 at 16:18

I am currently trying to add AES encryption to an existing beacon-demo that uses the TI cc2650 sensortag. I am using the AES API provided by contiki under core/lib. My main looks like this:

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ANSWER

Answered 2017-Nov-03 at 16:18

Well as @kfx pointed out in the comments const struct aes_128_driver AES_128 was shadowing the global variable.

Source https://stackoverflow.com/questions/46173613

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