Struct containing the parameters required for encrypting/decrypting a message using a one-step operation. More...

#include <AESCTR.h>

Collaboration diagram for AESCTR_OneStepOperation:

Data Fields
const CryptoKey *	key

const uint8_t *	input

uint8_t *	output

const uint8_t *	initialCounter

size_t	inputLength

Detailed Description

Struct containing the parameters required for encrypting/decrypting a message using a one-step operation.

The driver may access it at any point during the operation. It must remain in scope for the entire duration of the operation.

Field Documentation

§ key

const CryptoKey* AESCTR_OneStepOperation::key

Pointer to a previously initialized CryptoKey.

§ input

const uint8_t* AESCTR_OneStepOperation::input

Encryption: The plaintext buffer to be encrypted in the CTR operation.
Decryption: The ciphertext to be decrypted.

§ output

uint8_t* AESCTR_OneStepOperation::output

Encryption: The output ciphertext buffer that the encrypted plaintext is copied to.
Decryption: The plaintext derived from the decrypted ciphertext is copied here. Size of the output buffer must be greater than or equal to the inputLength.

For cc27XX devices, when key encoding is _HSM suffixed, the output buffer needs to be 32-bit aligned.

§ initialCounter

const uint8_t* AESCTR_OneStepOperation::initialCounter

A buffer containing an initial counter. Under the same key, each counter value may only be used to encrypt or decrypt a single input block. If NULL, zero will be used for the initial counter value. The buffer's size must be at least 16-bytes.

§ inputLength

size_t AESCTR_OneStepOperation::inputLength

Length of the input in bytes. An equal number of bytes will be output by the operation. Max length supported may be limited depending on the return behavior.

For CC27XX devices with _HSM-suffixed key encoding, the inputLength must be block-size aligned.

The documentation for this struct was generated from the following file:

AESCTR.h