#ifndef _AES_H
#define _AES_H
#if defined(__cplusplus)
extern "C"
{
#endif
#include <corecrypto/ccmode.h>
#include <corecrypto/ccn.h>
#define AES_BLOCK_SIZE 16
#if defined(__ARM_NEON__) && !defined(__arm64__) // for expanded keys in bit slice format
#define AES_CBC_CTX_MAX_SIZE (ccn_sizeof_size(sizeof(void *)) + ccn_sizeof_size(AES_BLOCK_SIZE) + ccn_sizeof_size(64*4) + (14-1)*128+32 )
#else
#define AES_CBC_CTX_MAX_SIZE (ccn_sizeof_size(sizeof(void *)) + ccn_sizeof_size(AES_BLOCK_SIZE) + ccn_sizeof_size(64*4))
#endif
typedef struct{
cccbc_ctx_decl(AES_CBC_CTX_MAX_SIZE, ctx);
} aes_decrypt_ctx;
typedef struct{
cccbc_ctx_decl(AES_CBC_CTX_MAX_SIZE, ctx);
} aes_encrypt_ctx;
typedef struct
{
aes_decrypt_ctx decrypt;
aes_encrypt_ctx encrypt;
} aes_ctx;
#define aes_ret int
#define aes_good 0
#define aes_error -1
#define aes_rval aes_ret
aes_rval aes_encrypt_key(const unsigned char *key, int key_len, aes_encrypt_ctx cx[1]);
aes_rval aes_encrypt_key128(const unsigned char *key, aes_encrypt_ctx cx[1]);
aes_rval aes_encrypt_key256(const unsigned char *key, aes_encrypt_ctx cx[1]);
#if defined (__i386__) || defined (__x86_64__) || defined (__arm64__)
aes_rval aes_encrypt(const unsigned char *in, unsigned char *out, aes_encrypt_ctx cx[1]);
#endif
aes_rval aes_encrypt_cbc(const unsigned char *in_blk, const unsigned char *in_iv, unsigned int num_blk,
unsigned char *out_blk, aes_encrypt_ctx cx[1]);
aes_rval aes_decrypt_key(const unsigned char *key, int key_len, aes_decrypt_ctx cx[1]);
aes_rval aes_decrypt_key128(const unsigned char *key, aes_decrypt_ctx cx[1]);
aes_rval aes_decrypt_key256(const unsigned char *key, aes_decrypt_ctx cx[1]);
#if defined (__i386__) || defined (__x86_64__) || defined (__arm64__)
aes_rval aes_decrypt(const unsigned char *in, unsigned char *out, aes_decrypt_ctx cx[1]);
#endif
aes_rval aes_decrypt_cbc(const unsigned char *in_blk, const unsigned char *in_iv, unsigned int num_blk,
unsigned char *out_blk, aes_decrypt_ctx cx[1]);
aes_rval aes_encrypt_key_gcm(const unsigned char *key, int key_len, ccgcm_ctx *ctx);
aes_rval aes_encrypt_key_with_iv_gcm(const unsigned char *key, int key_len, const unsigned char *in_iv, ccgcm_ctx *ctx);
aes_rval aes_encrypt_set_iv_gcm(const unsigned char *in_iv, unsigned int len, ccgcm_ctx *ctx);
aes_rval aes_encrypt_reset_gcm(ccgcm_ctx *ctx);
aes_rval aes_encrypt_inc_iv_gcm(unsigned char *out_iv, ccgcm_ctx *ctx);
aes_rval aes_encrypt_aad_gcm(const unsigned char *aad, unsigned int aad_bytes, ccgcm_ctx *ctx);
aes_rval aes_encrypt_gcm(const unsigned char *in_blk, unsigned int num_bytes, unsigned char *out_blk, ccgcm_ctx *ctx);
aes_rval aes_encrypt_finalize_gcm(unsigned char *tag, unsigned int tag_bytes, ccgcm_ctx *ctx);
unsigned aes_encrypt_get_ctx_size_gcm(void);
aes_rval aes_decrypt_key_gcm(const unsigned char *key, int key_len, ccgcm_ctx *ctx);
aes_rval aes_decrypt_key_with_iv_gcm(const unsigned char *key, int key_len, const unsigned char *in_iv, ccgcm_ctx *ctx);
aes_rval aes_decrypt_set_iv_gcm(const unsigned char *in_iv, unsigned int len, ccgcm_ctx *ctx);
aes_rval aes_decrypt_reset_gcm(ccgcm_ctx *ctx);
aes_rval aes_decrypt_inc_iv_gcm(unsigned char *out_iv, ccgcm_ctx *ctx);
aes_rval aes_decrypt_aad_gcm(const unsigned char *aad, unsigned int aad_bytes, ccgcm_ctx *ctx);
aes_rval aes_decrypt_gcm(const unsigned char *in_blk, unsigned int num_bytes, unsigned char *out_blk, ccgcm_ctx *ctx);
aes_rval aes_decrypt_finalize_gcm(unsigned char *tag, unsigned int tag_bytes, ccgcm_ctx *ctx);
unsigned aes_decrypt_get_ctx_size_gcm(void);
#if defined(__cplusplus)
}
#endif
#endif