windows-xp/Source/XPSP1/NT/ds/win32/ntcrypto/dssinc/des_key.h

/* des_key.h */


/*********************************/
/* Definitions                   */
/*********************************/
#define		DES_MAGIC		0x44455331

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/* Function Definitions          */
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DWORD initKeyDES (Key_t *des);
DWORD getDESParams (Key_t *des, DWORD param, BYTE *data, DWORD *len);
DWORD setDESParams (Key_t *des, DWORD param, CONST BYTE *data);

// Get DES key length
DWORD desGetKeyLength (
                       IN ALG_ID Algid,
                       IN DWORD dwFlags,
                       OUT DWORD *pcbKey,
                       OUT DWORD *pcbData
                       );

// Derive a des key
DWORD desDeriveKey (
                   IN OUT Key_t *pKey,
                   IN CONST BYTE *pbData,
                   IN DWORD dwFlags
                   );