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ofb128.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/modes/ofb128.c
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1void CRYPTO_ofb128_encrypt(const unsigned char *in, unsigned char *out,-
2 size_t len, const void *key,-
3 unsigned char ivec[16], int *num,-
4 block128_f block)-
5{-
6 unsigned int n;-
7 size_t l=0;-
8-
9 n = *num;-
10-
11-
12 if (16%sizeof(size_t) == 0
16%sizeof(size_t) == 0Description
TRUEevaluated 60 times by 2 tests
Evaluated by:
  • evptest
  • libcrypto.so.44.0.1
FALSEnever evaluated
) do {		0-60
13 while (n
nDescription
TRUEnever evaluated
FALSEevaluated 60 times by 2 tests
Evaluated by:
  • evptest
  • libcrypto.so.44.0.1
 && len
lenDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0-60
14 *(out++) = *(in++) ^ ivec[n];-
15 --len;-
16 n = (n+1) % 16;-
17 }
never executed: end of block
0
18-
19-
20-
21-
22 while (len>=16
len>=16Description
TRUEevaluated 708 times by 2 tests
Evaluated by:
  • evptest
  • libcrypto.so.44.0.1
FALSEevaluated 60 times by 2 tests
Evaluated by:
  • evptest
  • libcrypto.so.44.0.1
) {		60-708
23 (*block)(ivec, ivec, key);-
24 for (; n<16
n<16Description
TRUEevaluated 1416 times by 2 tests
Evaluated by:
  • evptest
  • libcrypto.so.44.0.1
FALSEevaluated 708 times by 2 tests
Evaluated by:
  • evptest
  • libcrypto.so.44.0.1
; n+=sizeof(size_t))		708-1416
25 *(
executed 1416 times by 2 tests: *(size_t*)(out+n) = *(size_t*)(in+n) ^ *(size_t*)(ivec+n);
Executed by:
  • evptest
  • libcrypto.so.44.0.1
size_t*)(out+n) =
executed 1416 times by 2 tests: *(size_t*)(out+n) = *(size_t*)(in+n) ^ *(size_t*)(ivec+n);
Executed by:
  • evptest
  • libcrypto.so.44.0.1
1416
26 *(size_t*)(in+n) ^ *(size_t*)(ivec+n);
executed 1416 times by 2 tests: *(size_t*)(out+n) = *(size_t*)(in+n) ^ *(size_t*)(ivec+n);
Executed by:
  • evptest
  • libcrypto.so.44.0.1
1416
27 len -= 16;-
28 out += 16;-
29 in += 16;-
30 n = 0;-
31 }
executed 708 times by 2 tests: end of block
Executed by:
  • evptest
  • libcrypto.so.44.0.1
708
32 if (len
lenDescription
TRUEevaluated 12 times by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
FALSEevaluated 48 times by 1 test
Evaluated by:
  • evptest
) {		12-48
33 (*block)(ivec, ivec, key);-
34 while (len--
len--Description
TRUEevaluated 96 times by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
FALSEevaluated 12 times by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
) {		12-96
35 out[n] = in[n] ^ ivec[n];-
36 ++n;-
37 }
executed 96 times by 1 test: end of block
Executed by:
  • libcrypto.so.44.0.1
96
38 }
executed 12 times by 1 test: end of block
Executed by:
  • libcrypto.so.44.0.1
12
39 *num = n;-
40 return;
executed 60 times by 2 tests: return;
Executed by:
  • evptest
  • libcrypto.so.44.0.1
60
41 }
never executed: end of block
 while(0);		0
42-
43-
44 while (l<len
l<lenDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
45 if (n==0
n==0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
46 (*block)(ivec, ivec, key);-
47 }
never executed: end of block
0
48 out[l] = in[l] ^ ivec[n];-
49 ++l;-
50 n = (n+1) % 16;-
51 }
never executed: end of block
0
52-
53 *num=n;-
54}
never executed: end of block
0
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