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#ifndef _SB_CRYPT_H
#define _SB_CRYPT_H
#ifdef __cplusplus
extern "C" {
#endif
typedef struct _GOACryptState
{
unsigned char cards[256]; // A permutation of 0-255.
unsigned char rotor; // Index that rotates smoothly
unsigned char ratchet; // Index that moves erratically
unsigned char avalanche; // Index heavily data dependent
unsigned char last_plain; // Last plain text byte
unsigned char last_cipher; // Last cipher text byte
} GOACryptState;
void GOACryptInit(GOACryptState *state, unsigned char *key, unsigned char keysize);
void GOAHashInit(GOACryptState *state);
unsigned char GOAEncryptByte(GOACryptState *state, unsigned char b); // Encrypt byte
void GOAEncrypt(GOACryptState *state, unsigned char *bp, int len); // Encrypt byte array
unsigned char GOADecryptByte(GOACryptState *state, unsigned char b); // Decrypt byte.
void GOADecrypt(GOACryptState *state,unsigned char *bp, int len); // decrypt byte array
void GOAHashFinal(GOACryptState *state, unsigned char *hash, unsigned char hashlength); // Hash length (16-32)
#ifdef __cplusplus
}
#endif
#endif
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