xbox-kernel/private/inc/crypto/modes.h
2020-09-30 17:17:25 +02:00

80 lines
1.5 KiB
C

#ifndef __MODES_H__
#define __MODES_H__
#ifndef RSA32API
#define RSA32API __stdcall
#endif
/* modes.h
Defines the generic routines used to do chaining modes with a
block cipher.
*/
#ifdef __cplusplus
extern "C" {
#endif
// constants for operations
#define ENCRYPT 1
#define DECRYPT 0
/* CBC()
*
* Performs a XOR on the plaintext with the previous ciphertext
*
* Parameters:
*
* output Input buffer -- MUST be RC2_BLOCKLEN
* input Output buffer -- MUST be RC2_BLOCKLEN
* keyTable
* op ENCRYPT, or DECRYPT
* feedback feedback register
*
*/
void
RSA32API
CBC(
void RSA32API Cipher(BYTE *, BYTE *, void *, int),
DWORD dwBlockLen,
BYTE *output,
BYTE *input,
void *keyTable,
int op,
BYTE *feedback
);
/* CFB (cipher feedback)
*
*
* Parameters:
*
*
* output Input buffer -- MUST be RC2_BLOCKLEN
* input Output buffer -- MUST be RC2_BLOCKLEN
* keyTable
* op ENCRYPT, or DECRYPT
* feedback feedback register
*
*/
void
RSA32API
CFB(
void RSA32API Cipher(BYTE *, BYTE *, void *, int),
DWORD dwBlockLen,
BYTE *output,
BYTE *input,
void *keyTable,
int op,
BYTE *feedback
);
#ifdef __cplusplus
}
#endif
#endif // __MODES_H__