/**
 * @file include/di/encryption.h
 * @brief DI-net encryption implementation
 * @date 9 January 2015
 * @author ing. R.W.A. van der Heijden
 * @copyright 2015 Dual Inventive B.V.
 *
 * Implementation of the DI-Net encryption, gives the full HMAC-MD5-AES-128-CBC-IVSI encryption and decryption
 */
#ifndef __DINET_ENCRYPTION_H__
#define __DINET_ENCRYPTION_H__

#ifdef __cplusplus
extern "C" {
#endif

#define DI_ENCRYPTION_BLOCKSIZE 16

struct di_crypt_ctx {
	uint8_t aeskey[DI_ENCRYPTION_BLOCKSIZE];
	uint8_t hmackey[DI_ENCRYPTION_BLOCKSIZE];
};

int8_t di_crypt_encrypt(const struct di_crypt_ctx *ctx, uint8_t *output, uint16_t *out_len, const uint8_t *input,
			uint16_t len);
int8_t di_crypt_decrypt(const struct di_crypt_ctx *ctx, uint8_t *output, uint16_t *out_len, const uint8_t *input,
			uint16_t len);

#ifdef __cplusplus
}
#endif

#endif /* __DINET_ENCRYPTION_H__ */