//
//  aes.h
//  nuSDKService
//
//  Created by W.YudoAji on 29/06/20.
//  Copyright © 2020 newuniverse. All rights reserved.
//


#ifndef _AES_H_
#define _AES_H_

//#include <stdint.h>
//#include <stdio.h>

// #define the macros below to 1/0 to enable/disable the mode of operation.
//
// CBC enables AES encryption in CBC-mode of operation.
// CTR enables encryption in counter-mode.
// ECB enables the basic ECB 16-byte block algorithm. All can be enabled simultaneously.

// The #ifndef-guard allows it to be configured before #include'ing or at compile time.
#ifndef CBC
#define CBC 1
#endif

//#ifndef ECB
//#define ECB 1
//#endif
//
//#ifndef CTR
//#define CTR 1
//#endif

#define AES256 1
//#define AES128 1
//#define AES192 1

#define AES_BLOCKLEN 16 //Block length in bytes AES is 128b block only

#if defined(AES256) && (AES256 == 1)
#define AES_KEYLEN 32
#define AES_keyExpSize 240
//#elif defined(AES192) && (AES192 == 1)
//#define AES_KEYLEN 24
//#define AES_keyExpSize 208
//#else
//#define AES_KEYLEN 16   // Key length in bytes
//#define AES_keyExpSize 176
#endif

//struct AES_ctx {
//	uint8_t RoundKey[AES_keyExpSize];
//#if (defined(CBC) && (CBC == 1)) || (defined(CTR) && (CTR == 1))
//	uint8_t Iv[AES_BLOCKLEN];
//#endif
//};

//void AES_init_ctx(struct AES_ctx *ctx, const uint8_t *key);
//
//#if (defined(CBC) && (CBC == 1)) || (defined(CTR) && (CTR == 1))
//
//void AES_init_ctx_iv(struct AES_ctx *ctx, const uint8_t *key, const uint8_t *iv);
//
//void AES_ctx_set_iv(struct AES_ctx *ctx, const uint8_t *iv);
//
//#endif
//
//#if defined(ECB) && (ECB == 1)
//
//// buffer size is exactly AES_BLOCKLEN bytes;
//// you need only AES_init_ctx as IV is not used in ECB
//// NB: ECB is considered insecure for most uses
//void AES_ECB_encrypt(const struct AES_ctx *ctx, uint8_t *buf);
//
//void AES_ECB_decrypt(const struct AES_ctx *ctx, uint8_t *buf);
//
//#endif // #if defined(ECB) && (ECB == !)
//
//
//#if defined(CBC) && (CBC == 1)
//
//// buffer size MUST be mutile of AES_BLOCKLEN;
//// Suggest https://en.wikipedia.org/wiki/Padding_(cryptography)#PKCS7 for padding scheme
//// NOTES: you need to set IV in ctx via AES_init_ctx_iv() or AES_ctx_set_iv()
////        no IV should ever be reused with the same key
//void AES_CBC_encrypt_buffer(struct AES_ctx *ctx, uint8_t *buf, uint32_t length);
//
//void AES_CBC_decrypt_buffer(struct AES_ctx *ctx, uint8_t *buf, uint32_t length);
//
//#endif // #if defined(CBC) && (CBC == 1)
//
//
//#if defined(CTR) && (CTR == 1)
//
//// Same function for encrypting as for decrypting.
//// IV is incremented for every block, and used after encryption as XOR-compliment for output
//// Suggesting https://en.wikipedia.org/wiki/Padding_(cryptography)#PKCS7 for padding scheme
//// NOTES: you need to set IV in ctx with AES_init_ctx_iv() or AES_ctx_set_iv()
////        no IV should ever be reused with the same key
//void AES_CTR_xcrypt_buffer(struct AES_ctx *ctx, uint8_t *buf, uint32_t length);
//
//#endif // #if defined(CTR) && (CTR == 1)


// uint8_t iAx(uint8_t *abKey, const uint8_t len);
void initCND(void);
uint16_t abN(uint8_t *inpBytes, const uint16_t nInpLen, uint8_t *outBytes, uint8_t *aUint8Key);
uint16_t abD(uint8_t *inpBytes, const uint16_t nInpLen, uint8_t *outBytes, uint8_t *aUint8Key, const uint8_t nRemoveTI);

#endif //_AES_H_