Leaked source code of windows server 2003
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#ifndef __DES3_H__
#define __DES3_H__
#ifndef RSA32API
#define RSA32API __stdcall
#endif
#ifdef __cplusplus
extern "C" {
#endif
typedef struct _DES3TABLE {
DESTable keytab1;
DESTable keytab2;
DESTable keytab3;
} DES3TABLE, *PDES3TABLE;
#define DES3_TABLESIZE sizeof(DES3TABLE)
#define DES2_KEYSIZE 16
#define DES3_KEYSIZE 24
// In des2key.c:
//
// Fill in the DES3Table structs with the decrypt and encrypt
// key expansions.
//
// Assumes that the second parameter points to 2 * DES_BLOCKLEN
// bytes of key.
//
//
void RSA32API des2key(PDES3TABLE pDES3Table, PBYTE pbKey);
// In des3key.c:
//
// Fill in the DES3Table structs with the decrypt and encrypt
// key expansions.
//
// Assumes that the second parameter points to 3 * DES_BLOCKLEN
// bytes of key.
//
//
void RSA32API des3key(PDES3TABLE pDES3Table, PBYTE pbKey);
//
// Encrypt or decrypt with the key in pKey
//
void RSA32API des3(PBYTE pbIn, PBYTE pbOut, void *pKey, int op);
//
// set the parity on the DES key to be odd
//
void RSA32API desparity(PBYTE pbKey, DWORD cbKey);
#ifdef __cplusplus
}
#endif
#endif // __DES3_H__