ctr.h

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/*===-- enc/block_modes/ctr.h --------------------------*- PUBLIC -*- H -*-===*/
/*===----------------------------------------------------------------------===*/

#ifndef ORDO_CTR_MODE_H
#define ORDO_CTR_MODE_H

#include "ordo/common/interface.h"
#include "ordo/primitives/block_modes.h"

#ifdef __cplusplus
extern "C" {
#endif

/*===----------------------------------------------------------------------===*/

#define ctr_init                         ordo_ctr_init
#define ctr_update                       ordo_ctr_update
#define ctr_final                        ordo_ctr_final
#define ctr_query                        ordo_ctr_query
#define ctr_bsize                        ordo_ctr_bsize

/*===----------------------------------------------------------------------===*/

ORDO_PUBLIC
int ctr_init(struct CTR_STATE *state,
             struct BLOCK_STATE *cipher_state,
             const void *iv, size_t iv_len,
             int dir,
             const void *params);

ORDO_PUBLIC
void ctr_update(struct CTR_STATE *state,
                struct BLOCK_STATE *cipher_state,
                const void *in, size_t in_len,
                void *out, size_t *out_len);

ORDO_PUBLIC
int ctr_final(struct CTR_STATE *state,
              struct BLOCK_STATE *cipher_state,
              void *out, size_t *out_len);

ORDO_PUBLIC
size_t ctr_query(prim_t cipher,
                 int query, size_t value);

ORDO_PUBLIC
size_t ctr_bsize(void);

/*===----------------------------------------------------------------------===*/

#ifdef __cplusplus
}
#endif

#endif