Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/bf/bf_cfb64.c |
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1 | - | |||||||
2 | - | |||||||
3 | - | |||||||
4 | - | |||||||
5 | - | |||||||
6 | - | |||||||
7 | - | |||||||
8 | void BF_cfb64_encrypt(const unsigned char *in, unsigned char *out, | - | ||||||
9 | long length, const BF_KEY *schedule, | - | ||||||
10 | unsigned char *ivec, int *num, int encrypt) | - | ||||||
11 | { | - | ||||||
12 | register unsigned int v0, v1, t; | - | ||||||
13 | register int n = *num; | - | ||||||
14 | register long l = length; | - | ||||||
15 | unsigned int ti[2]; | - | ||||||
16 | unsigned char *iv, c, cc; | - | ||||||
17 | - | |||||||
18 | iv = (unsigned char *)ivec; | - | ||||||
19 | if (encrypt
| 31-43 | ||||||
20 | while (l--
| 43-6307 | ||||||
21 | if (n == 0
| 789-5518 | ||||||
22 | (v0 =((unsigned long)(*((iv)++)))<<24L, v0|=((unsigned long)(*((iv)++)))<<16L, v0|=((unsigned long)(*((iv)++)))<< 8L, v0|=((unsigned long)(*((iv)++)))); | - | ||||||
23 | ti[0] = v0; | - | ||||||
24 | (v1 =((unsigned long)(*((iv)++)))<<24L, v1|=((unsigned long)(*((iv)++)))<<16L, v1|=((unsigned long)(*((iv)++)))<< 8L, v1|=((unsigned long)(*((iv)++)))); | - | ||||||
25 | ti[1] = v1; | - | ||||||
26 | BF_encrypt((unsigned int *)ti, schedule); | - | ||||||
27 | iv = (unsigned char *)ivec; | - | ||||||
28 | t = ti[0]; | - | ||||||
29 | (*((iv)++)=(unsigned char)(((t)>>24L)&0xff), *((iv)++)=(unsigned char)(((t)>>16L)&0xff), *((iv)++)=(unsigned char)(((t)>> 8L)&0xff), *((iv)++)=(unsigned char)(((t) )&0xff)); | - | ||||||
30 | t = ti[1]; | - | ||||||
31 | (*((iv)++)=(unsigned char)(((t)>>24L)&0xff), *((iv)++)=(unsigned char)(((t)>>16L)&0xff), *((iv)++)=(unsigned char)(((t)>> 8L)&0xff), *((iv)++)=(unsigned char)(((t) )&0xff)); | - | ||||||
32 | iv = (unsigned char *)ivec; | - | ||||||
33 | } executed 789 times by 1 test: end of block Executed by:
| 789 | ||||||
34 | c = *(in++) ^ iv[n]; | - | ||||||
35 | *(out++) = c; | - | ||||||
36 | iv[n] = c; | - | ||||||
37 | n = (n + 1) & 0x07; | - | ||||||
38 | } executed 6307 times by 1 test: end of block Executed by:
| 6307 | ||||||
39 | } executed 43 times by 1 test: else {end of block Executed by:
| 43 | ||||||
40 | while (l--
| 31-6307 | ||||||
41 | if (n == 0
| 789-5518 | ||||||
42 | (v0 =((unsigned long)(*((iv)++)))<<24L, v0|=((unsigned long)(*((iv)++)))<<16L, v0|=((unsigned long)(*((iv)++)))<< 8L, v0|=((unsigned long)(*((iv)++)))); | - | ||||||
43 | ti[0] = v0; | - | ||||||
44 | (v1 =((unsigned long)(*((iv)++)))<<24L, v1|=((unsigned long)(*((iv)++)))<<16L, v1|=((unsigned long)(*((iv)++)))<< 8L, v1|=((unsigned long)(*((iv)++)))); | - | ||||||
45 | ti[1] = v1; | - | ||||||
46 | BF_encrypt((unsigned int *)ti, schedule); | - | ||||||
47 | iv = (unsigned char *)ivec; | - | ||||||
48 | t = ti[0]; | - | ||||||
49 | (*((iv)++)=(unsigned char)(((t)>>24L)&0xff), *((iv)++)=(unsigned char)(((t)>>16L)&0xff), *((iv)++)=(unsigned char)(((t)>> 8L)&0xff), *((iv)++)=(unsigned char)(((t) )&0xff)); | - | ||||||
50 | t = ti[1]; | - | ||||||
51 | (*((iv)++)=(unsigned char)(((t)>>24L)&0xff), *((iv)++)=(unsigned char)(((t)>>16L)&0xff), *((iv)++)=(unsigned char)(((t)>> 8L)&0xff), *((iv)++)=(unsigned char)(((t) )&0xff)); | - | ||||||
52 | iv = (unsigned char *)ivec; | - | ||||||
53 | } executed 789 times by 1 test: end of block Executed by:
| 789 | ||||||
54 | cc = *(in++); | - | ||||||
55 | c = iv[n]; | - | ||||||
56 | iv[n] = cc; | - | ||||||
57 | *(out++) = c ^ cc; | - | ||||||
58 | n = (n + 1) & 0x07; | - | ||||||
59 | } executed 6307 times by 1 test: end of block Executed by:
| 6307 | ||||||
60 | } executed 31 times by 1 test: end of block Executed by:
| 31 | ||||||
61 | v0 = v1 = ti[0] = ti[1] = t = c = cc = 0; | - | ||||||
62 | *num = n; | - | ||||||
63 | } executed 74 times by 1 test: end of block Executed by:
| 74 | ||||||
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