owner-nrf52sdk/nRF5_SDK_17.0.2/external/nrf_oberon/include/ocrypto_aes_key.h

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/**@file
 * @defgroup nrf_oberon_aes_key AES key sizes
 * @ingroup nrf_oberon_aes
 * @{
 * @brief Type definition of AES key sizes.
 *
 * AES (advanced encryption standard) is a symmetric encryption algorithm standardized by NIST.
 * AES transfers a 128-bit block of data into an encrypted block of the same size.
 */

#ifndef OCRYPTO_AES_KEY_H
#define OCRYPTO_AES_KEY_H

#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

#define ocrypto_aes128_KEY_BYTES ((size_t) 16)  //!< AES-128 key size in bytes
#define ocrypto_aes192_KEY_BYTES ((size_t) 24)  //!< AES-192 key size in bytes
#define ocrypto_aes256_KEY_BYTES ((size_t) 32)  //!< AES-256 key size in bytes

#ifdef __cplusplus
}
#endif

#endif /* #ifndef OCRYPTO_AES_KEY_H */

/** @} */