#ifdef __cplusplus
extern "C" {
#endif
# ifdef OPENSSL_NO_BF
# error BF is disabled.
# endif
# define BF_ENCRYPT 1
# define BF_DECRYPT 0
/*-
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
* ! BF_LONG has to be at least 32 bits wide. If it's wider, then !
* ! BF_LONG_LOG2 has to be defined along. !
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
*/
# if defined(__LP32__)
# define BF_LONG unsigned long
# elif defined(OPENSSL_SYS_CRAY) || defined(__ILP64__)
# define BF_LONG unsigned long
# define BF_LONG_LOG2 3
/*
* _CRAY note. I could declare short, but I have no idea what impact
* does it have on performance on none-T3E machines. I could declare
* int, but at least on C90 sizeof(int) can be chosen at compile time.
* So I've chosen long...
*
*/
# else
# define BF_LONG unsigned int
# endif
# define BF_ROUNDS 16
# define BF_BLOCK 8
typedef struct bf_key_st {
BF_LONG P[BF_ROUNDS + 2];
BF_LONG S[4 * 256];
} BF_KEY;
# ifdef OPENSSL_FIPS
void private_BF_set_key(BF_KEY *key, int len, const unsigned char *data);
# endif
void BF_set_key(BF_KEY *key, int len, const unsigned char *data);
void BF_encrypt(BF_LONG *data, const BF_KEY *key);
void BF_decrypt(BF_LONG *data, const BF_KEY *key);
void BF_ecb_encrypt(const unsigned char *in, unsigned char *out,
const BF_KEY *key, int enc);
void BF_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
const BF_KEY *schedule, unsigned char *ivec, int enc);
void BF_cfb64_encrypt(const unsigned char *in, unsigned char *out,
long length, const BF_KEY *schedule,
unsigned char *ivec, int *num, int enc);
void BF_ofb64_encrypt(const unsigned char *in, unsigned char *out,
long length, const BF_KEY *schedule,
unsigned char *ivec, int *num);
const char *BF_options(void);
#ifdef __cplusplus
}
#endif
#endif