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Annotation of truecrypt/crypto/twofish.h, revision 1.1.1.7

1.1.1.4   root        1: #ifndef TWOFISH_H
                      2: #define TWOFISH_H
                      3: 
1.1.1.7 ! root        4: #include "Common/Tcdefs.h"
        !             5: 
1.1.1.4   root        6: #if defined(__cplusplus)
                      7: extern "C"
                      8: {
                      9: #endif
                     10: 
1.1       root       11: #ifndef u4byte
1.1.1.2   root       12: #define u4byte unsigned __int32
1.1       root       13: #endif
                     14: #ifndef u1byte
1.1.1.2   root       15: #define u1byte unsigned char
1.1       root       16: #endif
                     17: 
                     18: #ifndef extract_byte
                     19: #define extract_byte(x,n)   ((u1byte)((x) >> (8 * n)))
                     20: #endif
                     21: 
                     22: #ifndef rotl
1.1.1.2   root       23: 
                     24: #ifdef _WIN32
1.1       root       25: #include <stdlib.h>
                     26: #pragma intrinsic(_lrotr,_lrotl)
                     27: #define rotr(x,n) _lrotr(x,n)
                     28: #define rotl(x,n) _lrotl(x,n)
1.1.1.2   root       29: #else
                     30: #define rotr(x,n) (((x)>>(n))|((x)<<(32-(n))))
                     31: #define rotl(x,n) (((x)<<(n))|((x)>>(32-(n))))
                     32: #endif
                     33: 
1.1       root       34: #endif
                     35: typedef struct
                     36: {
1.1.1.5   root       37:        u4byte l_key[40];
                     38:        u4byte s_key[4];
1.1.1.6   root       39: #if !defined (TC_MINIMIZE_CODE_SIZE) || defined (TC_WINDOWS_BOOT_TWOFISH)
1.1.1.5   root       40:        u4byte mk_tab[4 * 256];
                     41: #endif
1.1       root       42:        u4byte k_len;
                     43: } TwofishInstance;
                     44: 
1.1.1.5   root       45: #define TWOFISH_KS             sizeof(TwofishInstance)
1.1       root       46: 
1.1.1.3   root       47: u4byte * twofish_set_key(TwofishInstance *instance, const u4byte in_key[], const u4byte key_len);
                     48: void twofish_encrypt(TwofishInstance *instance, const u4byte in_blk[4], u4byte out_blk[]);
                     49: void twofish_decrypt(TwofishInstance *instance, const u4byte in_blk[4], u4byte out_blk[4]);
1.1.1.4   root       50: 
                     51: #if defined(__cplusplus)
                     52: }
                     53: #endif
                     54: 
                     55: #endif // TWOFISH_H

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