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26 #ifndef HEADER_SEED_LOCL_H
27 #define HEADER_SEED_LOCL_H
45 SS[0][(unsigned char) (v) & 0xff] ^ SS[1][(unsigned char) ((v)>>8) & 0xff] ^ \
46 SS[2][(unsigned char)((v)>>16) & 0xff] ^ SS[3][(unsigned char)((v)>>24) & 0xff]
48 #define char2word(c, i) \
49 (i) = ((((seed_word)(c)[0]) << 24) | (((seed_word)(c)[1]) << 16) | (((seed_word)(c)[2]) << 8) | ((seed_word)(c)[3]))
51 #define word2char(l, c) \
52 *((c)+0) = (unsigned char)((l)>>24) & 0xff; \
53 *((c)+1) = (unsigned char)((l)>>16) & 0xff; \
54 *((c)+2) = (unsigned char)((l)>> 8) & 0xff; \
55 *((c)+3) = (unsigned char)((l)) & 0xff
57 #define KEYSCHEDULE_UPDATE0(T0, T1, X1, X2, X3, X4, KC) \
59 (X3) = (((X3)<<8) ^ ((X4)>>24)) & 0xffffffff; \
60 (X4) = (((X4)<<8) ^ ((T0)>>24)) & 0xffffffff; \
61 (T0) = ((X1) + (X3) - (KC)) & 0xffffffff; \
62 (T1) = ((X2) + (KC) - (X4)) & 0xffffffff
64 #define KEYSCHEDULE_UPDATE1(T0, T1, X1, X2, X3, X4, KC) \
66 (X1) = (((X1)>>8) ^ ((X2)<<24)) & 0xffffffff; \
67 (X2) = (((X2)>>8) ^ ((T0)<<24)) & 0xffffffff; \
68 (T0) = ((X1) + (X3) - (KC)) & 0xffffffff; \
69 (T1) = ((X2) + (KC) - (X4)) & 0xffffffff
71 #define KEYUPDATE_TEMP(T0, T1, K) \
72 (K)[0] = G_FUNC((T0)); \
75 #define XOR_SEEDBLOCK(DST, SRC) \
76 ((DST))[0] ^= ((SRC))[0]; \
77 ((DST))[1] ^= ((SRC))[1]; \
78 ((DST))[2] ^= ((SRC))[2]; \
79 ((DST))[3] ^= ((SRC))[3]
81 #define MOV_SEEDBLOCK(DST, SRC) \
82 ((DST))[0] = ((SRC))[0]; \
83 ((DST))[1] = ((SRC))[1]; \
84 ((DST))[2] = ((SRC))[2]; \
85 ((DST))[3] = ((SRC))[3]
87 # define CHAR2WORD(C, I) \
88 char2word((C), (I)[0]); \
89 char2word((C+4), (I)[1]); \
90 char2word((C+8), (I)[2]); \
91 char2word((C+12), (I)[3])
93 # define WORD2CHAR(I, C) \
94 word2char((I)[0], (C)); \
95 word2char((I)[1], (C+4)); \
96 word2char((I)[2], (C+8)); \
97 word2char((I)[3], (C+12))
99 # define E_SEED(T0, T1, X1, X2, X3, X4, rbase) \
100 (T0) = (X3) ^ (ks->data)[(rbase)]; \
101 (T1) = (X4) ^ (ks->data)[(rbase)+1]; \
103 (T1) = G_FUNC((T1)); \
104 (T0) = ((T0) + (T1)) & 0xffffffff; \
105 (T0) = G_FUNC((T0)); \
106 (T1) = ((T1) + (T0)) & 0xffffffff; \
107 (T1) = G_FUNC((T1)); \
108 (T0) = ((T0) + (T1)) & 0xffffffff; \