The Stack Overflow podcast is back! Listen to an interview with our new CEO.

Questions tagged [aes]

Acronym for "Advanced Encryption Standard." Use this tag for questions about implementations of AES. Questions about the algorithm and theory of AES would be more appropriate on Cryptography Stack Exchange.

Filter by
Sorted by
Tagged with
-1
votes
0answers
18 views

AES Encryption Mixcolumn code Verilog [closed]

I am working on implementing AES encryption on Verilog. I have forked a repo for the project but can't understand a piece of the code. Would love if someone can explain a is the data input to ...
0
votes
0answers
20 views

AES encryption with CBC: result length

I checked a piece of library code intended for encryption/decryption with AES, CBC, 256 Bit Key length. To check the results I consulted the following website: https://www.devglan.com/online-tools/...
0
votes
0answers
44 views

AES Sub Byte subsitution in four clock cycles

I am trying to implement AES in verilog using 32-bit data path, but I am not able to subsitute the 128-bit in just four clock cycles, my code requires five clock cylces, Here is the small portion of ...
1
vote
2answers
160 views

How can I assign a 256-bit std_logic_vector input

I realized an AES-256 algorithm which encrypts a 128-bit std_logic_vector (plain_text) with a 256-bit std_logic_vector (master_key). I made a test-bench in order to verify the behavior of the ...
0
votes
1answer
351 views

How to implement AES Encrypting for ESP8266 implemented on Hardware?

I need to write a basic encryption program for ESP8266. I did read the datasheet (https://www.espressif.com/sites/default/files/documentation/0a-esp8266ex_datasheet_en.pdf), and them says that existis ...
0
votes
1answer
463 views

STM32F4 Discovery AES Encryption Problem

I am trying to implement very basic AES192-CBC Mode encryption routine on STM32F407 Discovery board and I want to do that process with the onboard Cryptographic processor in STM32F407 MCU. I copied ...
1
vote
0answers
452 views

STM32F43xxx and AES-128 CFB

I want to implement AES-128 CFB (Chiper Feedback) algorithm using HW Cryptographic processor on STM32F437 microcontroller. I don't want to use "STM32 crypto library" (DocID028112 Rev 2), but I want ...
0
votes
2answers
539 views

Parameter vs macros to control which function is called

I am working on an AES encryptor/decryptor project that can handled AES-128, AES-192, and AES-256. The cipher key length is chosen at compile time. The module I am working on generates the key ...