#ifndef _CORECRYPTO_CCHMAC_H_
#define _CORECRYPTO_CCHMAC_H_
#include <corecrypto/cc.h>
#include <corecrypto/ccdigest.h>
struct cchmac_ctx {
uint8_t b[1];
} CC_ALIGNED(8);
typedef struct cchmac_ctx* cchmac_ctx_t;
#define cchmac_ctx_size(STATE_SIZE, BLOCK_SIZE) (cc_pad_align(ccdigest_ctx_size(STATE_SIZE, BLOCK_SIZE)) + (STATE_SIZE))
#define cchmac_di_size(_di_) (cchmac_ctx_size((_di_)->state_size, (_di_)->block_size))
#define cchmac_ctx_n(STATE_SIZE, BLOCK_SIZE) ccn_nof_size(cchmac_ctx_size((STATE_SIZE), (BLOCK_SIZE)))
#define cchmac_ctx_decl(STATE_SIZE, BLOCK_SIZE, _name_) cc_ctx_decl(struct cchmac_ctx, cchmac_ctx_size(STATE_SIZE, BLOCK_SIZE), _name_)
#define cchmac_ctx_clear(STATE_SIZE, BLOCK_SIZE, _name_) cc_clear(cchmac_ctx_size(STATE_SIZE, BLOCK_SIZE), _name_)
#define cchmac_di_decl(_di_, _name_) cchmac_ctx_decl((_di_)->state_size, (_di_)->block_size, _name_)
#define cchmac_di_clear(_di_, _name_) cchmac_ctx_clear((_di_)->state_size, (_di_)->block_size, _name_)
#define cchmac_digest_ctx(_di_, HC) ((ccdigest_ctx_t)(HC))
#define cchmac_ostate(_di_, HC) ((struct ccdigest_state *)(((cchmac_ctx_t)(HC))->b + cc_pad_align(ccdigest_di_size(_di_))))
#define cchmac_ostate8(_di_, HC) (ccdigest_u8(cchmac_ostate(_di_, HC)))
#define cchmac_ostate32(_di_, HC) (ccdigest_u32(cchmac_ostate(_di_, HC)))
#define cchmac_ostate64(_di_, HC) (ccdigest_u64(cchmac_ostate(_di_, HC)))
#define cchmac_ostateccn(_di_, HC) (ccdigest_ccn(cchmac_ostate(_di_, HC)))
#define cchmac_istate(_di_, HC) ccdigest_state(_di_, ((ccdigest_ctx_t)(HC)))
#define cchmac_istate8(_di_, HC) ccdigest_u8(cchmac_istate(_di_, HC))
#define cchmac_istate32(_di_, HC) ccdigest_u32(cchmac_istate(_di_, HC))
#define cchmac_istate64(_di_, HC) ccdigest_u64(cchmac_istate(_di_, HC))
#define cchmac_istateccn(_di_, HC) ccdigest_ccn(cchmac_istate(_di_, HC))
#define cchmac_data(_di_, HC) ccdigest_data(_di_, ((ccdigest_ctx_t)(HC)))
#define cchmac_num(_di_, HC) ccdigest_num(_di_, ((ccdigest_ctx_t)(HC)))
#define cchmac_nbits(_di_, HC) ccdigest_nbits(_di_, ((ccdigest_ctx_t)(HC)))
void cchmac_init(const struct ccdigest_info *di, cchmac_ctx_t ctx,
size_t key_len, const void *key);
void cchmac_update(const struct ccdigest_info *di, cchmac_ctx_t ctx,
size_t data_len, const void *data);
void cchmac_final(const struct ccdigest_info *di, cchmac_ctx_t ctx,
unsigned char *mac);
void cchmac(const struct ccdigest_info *di, size_t key_len,
const void *key, size_t data_len, const void *data,
unsigned char *mac);
#endif