camellia.h

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/* crypto/camellia/camellia.h -*- mode:C; c-file-style: "eay" -*- */
/* ====================================================================
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#ifndef HEADER_CAMELLIA_H
#define HEADER_CAMELLIA_H

#include <openssl/opensslconf.h>

#ifdef OPENSSL_NO_CAMELLIA
#error CAMELLIA is disabled.
#endif

#include <stddef.h>

#define CAMELLIA_ENCRYPT    1
#define CAMELLIA_DECRYPT    0

/* Because array size can't be a const in C, the following two are macros.
   Both sizes are in bytes. */

#ifdef  __cplusplus
extern "C" {
#endif

/* This should be a hidden type, but EVP requires that the size be known */

#define CAMELLIA_BLOCK_SIZE 16
#define CAMELLIA_TABLE_BYTE_LEN 272
#define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4)

typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN]; /* to match with WORD */

struct camellia_key_st 
    {
    union   {
        double d;   /* ensures 64-bit align */
        KEY_TABLE_TYPE rd_key;
        } u;
    int grand_rounds;
    };
typedef struct camellia_key_st CAMELLIA_KEY;

#ifdef OPENSSL_FIPS
int private_Camellia_set_key(const unsigned char *userKey, const int bits,
    CAMELLIA_KEY *key);
#endif
int Camellia_set_key(const unsigned char *userKey, const int bits,
    CAMELLIA_KEY *key);

void Camellia_encrypt(const unsigned char *in, unsigned char *out,
    const CAMELLIA_KEY *key);
void Camellia_decrypt(const unsigned char *in, unsigned char *out,
    const CAMELLIA_KEY *key);

void Camellia_ecb_encrypt(const unsigned char *in, unsigned char *out,
    const CAMELLIA_KEY *key, const int enc);
void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
    size_t length, const CAMELLIA_KEY *key,
    unsigned char *ivec, const int enc);
void Camellia_cfb128_encrypt(const unsigned char *in, unsigned char *out,
    size_t length, const CAMELLIA_KEY *key,
    unsigned char *ivec, int *num, const int enc);
void Camellia_cfb1_encrypt(const unsigned char *in, unsigned char *out,
    size_t length, const CAMELLIA_KEY *key,
    unsigned char *ivec, int *num, const int enc);
void Camellia_cfb8_encrypt(const unsigned char *in, unsigned char *out,
    size_t length, const CAMELLIA_KEY *key,
    unsigned char *ivec, int *num, const int enc);
void Camellia_ofb128_encrypt(const unsigned char *in, unsigned char *out,
    size_t length, const CAMELLIA_KEY *key,
    unsigned char *ivec, int *num);
void Camellia_ctr128_encrypt(const unsigned char *in, unsigned char *out,
    size_t length, const CAMELLIA_KEY *key,
    unsigned char ivec[CAMELLIA_BLOCK_SIZE],
    unsigned char ecount_buf[CAMELLIA_BLOCK_SIZE],
    unsigned int *num);

#ifdef  __cplusplus
}
#endif

#endif /* !HEADER_Camellia_H */