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Annotation of truecrypt/crypto/twofish.h, revision 1.1.1.6

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

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