Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/idea/i_skey.c |
Switch to Source code | Preprocessed file |
Line | Source | Count | ||||||
---|---|---|---|---|---|---|---|---|
1 | - | |||||||
2 | static IDEA_INT inverse(unsigned int xin); | - | ||||||
3 | void IDEA_set_encrypt_key(const unsigned char *key, IDEA_KEY_SCHEDULE *ks) | - | ||||||
4 | { | - | ||||||
5 | int i; | - | ||||||
6 | register IDEA_INT *kt, *kf, r0, r1, r2; | - | ||||||
7 | - | |||||||
8 | kt = &(ks->data[0][0]); | - | ||||||
9 | (kt[0] =((IDEA_INT)(*((key)++)))<< 8L, kt[0]|=((IDEA_INT)(*((key)++))) ); | - | ||||||
10 | (kt[1] =((IDEA_INT)(*((key)++)))<< 8L, kt[1]|=((IDEA_INT)(*((key)++))) ); | - | ||||||
11 | (kt[2] =((IDEA_INT)(*((key)++)))<< 8L, kt[2]|=((IDEA_INT)(*((key)++))) ); | - | ||||||
12 | (kt[3] =((IDEA_INT)(*((key)++)))<< 8L, kt[3]|=((IDEA_INT)(*((key)++))) ); | - | ||||||
13 | (kt[4] =((IDEA_INT)(*((key)++)))<< 8L, kt[4]|=((IDEA_INT)(*((key)++))) ); | - | ||||||
14 | (kt[5] =((IDEA_INT)(*((key)++)))<< 8L, kt[5]|=((IDEA_INT)(*((key)++))) ); | - | ||||||
15 | (kt[6] =((IDEA_INT)(*((key)++)))<< 8L, kt[6]|=((IDEA_INT)(*((key)++))) ); | - | ||||||
16 | (kt[7] =((IDEA_INT)(*((key)++)))<< 8L, kt[7]|=((IDEA_INT)(*((key)++))) ); | - | ||||||
17 | - | |||||||
18 | kf = kt; | - | ||||||
19 | kt += 8; | - | ||||||
20 | for (i = 0; i < 6
| 0-1362 | ||||||
21 | r2 = kf[1]; | - | ||||||
22 | r1 = kf[2]; | - | ||||||
23 | *(kt++) = ((r2 << 9) | (r1 >> 7)) & 0xffff; | - | ||||||
24 | r0 = kf[3]; | - | ||||||
25 | *(kt++) = ((r1 << 9) | (r0 >> 7)) & 0xffff; | - | ||||||
26 | r1 = kf[4]; | - | ||||||
27 | *(kt++) = ((r0 << 9) | (r1 >> 7)) & 0xffff; | - | ||||||
28 | r0 = kf[5]; | - | ||||||
29 | *(kt++) = ((r1 << 9) | (r0 >> 7)) & 0xffff; | - | ||||||
30 | r1 = kf[6]; | - | ||||||
31 | *(kt++) = ((r0 << 9) | (r1 >> 7)) & 0xffff; | - | ||||||
32 | r0 = kf[7]; | - | ||||||
33 | *(kt++) = ((r1 << 9) | (r0 >> 7)) & 0xffff; | - | ||||||
34 | r1 = kf[0]; | - | ||||||
35 | if (i >= 5
| 227-1135 | ||||||
36 | break; executed 227 times by 1 test: break; Executed by:
| 227 | ||||||
37 | *(kt++) = ((r0 << 9) | (r1 >> 7)) & 0xffff; | - | ||||||
38 | *(kt++) = ((r1 << 9) | (r2 >> 7)) & 0xffff; | - | ||||||
39 | kf += 8; | - | ||||||
40 | } executed 1135 times by 1 test: end of block Executed by:
| 1135 | ||||||
41 | } executed 227 times by 1 test: end of block Executed by:
| 227 | ||||||
42 | - | |||||||
43 | void IDEA_set_decrypt_key(IDEA_KEY_SCHEDULE *ek, IDEA_KEY_SCHEDULE *dk) | - | ||||||
44 | { | - | ||||||
45 | int r; | - | ||||||
46 | register IDEA_INT *fp, *tp, t; | - | ||||||
47 | - | |||||||
48 | tp = &(dk->data[0][0]); | - | ||||||
49 | fp = &(ek->data[8][0]); | - | ||||||
50 | for (r = 0; r < 9
| 0-720 | ||||||
51 | *(tp++) = inverse(fp[0]); | - | ||||||
52 | *(tp++) = ((int)(0x10000L - fp[2]) & 0xffff); | - | ||||||
53 | *(tp++) = ((int)(0x10000L - fp[1]) & 0xffff); | - | ||||||
54 | *(tp++) = inverse(fp[3]); | - | ||||||
55 | if (r == 8
| 80-640 | ||||||
56 | break; executed 80 times by 1 test: break; Executed by:
| 80 | ||||||
57 | fp -= 6; | - | ||||||
58 | *(tp++) = fp[4]; | - | ||||||
59 | *(tp++) = fp[5]; | - | ||||||
60 | } executed 640 times by 1 test: end of block Executed by:
| 640 | ||||||
61 | - | |||||||
62 | tp = &(dk->data[0][0]); | - | ||||||
63 | t = tp[1]; | - | ||||||
64 | tp[1] = tp[2]; | - | ||||||
65 | tp[2] = t; | - | ||||||
66 | - | |||||||
67 | t = tp[49]; | - | ||||||
68 | tp[49] = tp[50]; | - | ||||||
69 | tp[50] = t; | - | ||||||
70 | } executed 80 times by 1 test: end of block Executed by:
| 80 | ||||||
71 | - | |||||||
72 | - | |||||||
73 | static IDEA_INT inverse(unsigned int xin) | - | ||||||
74 | { | - | ||||||
75 | long n1, n2, q, r, b1, b2, t; | - | ||||||
76 | - | |||||||
77 | if (xin == 0
| 19-1421 | ||||||
78 | b2 = 0; executed 19 times by 1 test: b2 = 0; Executed by:
| 19 | ||||||
79 | else { | - | ||||||
80 | n1 = 0x10001; | - | ||||||
81 | n2 = xin; | - | ||||||
82 | b2 = 1; | - | ||||||
83 | b1 = 0; | - | ||||||
84 | - | |||||||
85 | do { | - | ||||||
86 | r = (n1 % n2); | - | ||||||
87 | q = (n1 - r) / n2; | - | ||||||
88 | if (r == 0
| 1421-11841 | ||||||
89 | if (b2 < 0
| 668-753 | ||||||
90 | b2 = 0x10001 + b2; executed 753 times by 1 test: b2 = 0x10001 + b2; Executed by:
| 753 | ||||||
91 | } executed 1421 times by 1 test: else {end of block Executed by:
| 1421 | ||||||
92 | n1 = n2; | - | ||||||
93 | n2 = r; | - | ||||||
94 | t = b2; | - | ||||||
95 | b2 = b1 - q * b2; | - | ||||||
96 | b1 = t; | - | ||||||
97 | } executed 11841 times by 1 test: end of block Executed by:
| 11841 | ||||||
98 | } while (r != 0
| 1421-11841 | ||||||
99 | } executed 1421 times by 1 test: end of block Executed by:
| 1421 | ||||||
100 | return executed 1440 times by 1 test: (IDEA_INT)b2;return (IDEA_INT)b2; Executed by:
executed 1440 times by 1 test: return (IDEA_INT)b2; Executed by:
| 1440 | ||||||
101 | } | - | ||||||
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