ofb128.c

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Source

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1

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void CRYPTO_ofb128_encrypt(const unsigned char *in, unsigned char *out,

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9

size_t len, const void *key,

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unsigned char ivec[16], int *num, block128_f block)

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{

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unsigned int n;

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size_t l = 0;

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n = *num;

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16

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if (16 % sizeof(size_t) == 0

16 % sizeof(size_t) == 0	Description
TRUE	evaluated 20114 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	never evaluated

) {

0-20114

19

do {

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while (n

n	Description
TRUE	evaluated 69406 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 19816 times by 1 test Evaluated by: libcrypto.so.1.1

&& len

len	Description
TRUE	evaluated 69108 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 298 times by 1 test Evaluated by: libcrypto.so.1.1

) {

298-69406

21

*(out++) = *(in++) ^ ivec[n];

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--len;

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n = (n + 1) % 16;

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}

executed 69108 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

69108

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while (len >= 16

len >= 16	Description
TRUE	evaluated 391304 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 20114 times by 1 test Evaluated by: libcrypto.so.1.1

) {

20114-391304

31

(*block) (ivec, ivec, key);

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for (; n < 16

n < 16	Description
TRUE	evaluated 782608 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 391304 times by 1 test Evaluated by: libcrypto.so.1.1

; n += sizeof(size_t))

391304-782608

33

*(

executed 782608 times by 1 test: *(size_t *)(out + n) = *(size_t *)(in + n) ^ *(size_t *)(ivec + n);

Executed by:

libcrypto.so.1.1

size_t *)(out + n) =

executed 782608 times by 1 test: *(size_t *)(out + n) = *(size_t *)(in + n) ^ *(size_t *)(ivec + n);

Executed by:

libcrypto.so.1.1

782608

34

*(size_t *)(in + n) ^ *(size_t *)(ivec + n);

executed 782608 times by 1 test: *(size_t *)(out + n) = *(size_t *)(in + n) ^ *(size_t *)(ivec + n);

Executed by:

libcrypto.so.1.1

782608

35

len -= 16;

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out += 16;

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in += 16;

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n = 0;

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}

executed 391304 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

391304

40

if (len

len	Description
TRUE	evaluated 8406 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 11708 times by 1 test Evaluated by: libcrypto.so.1.1

) {

8406-11708

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(*block) (ivec, ivec, key);

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while (len--

len--	Description
TRUE	evaluated 65192 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 8406 times by 1 test Evaluated by: libcrypto.so.1.1

) {

8406-65192

43

out[n] = in[n] ^ ivec[n];

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++n;

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}

executed 65192 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

65192

46

}

executed 8406 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

8406

47

*num = n;

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return;

executed 20114 times by 1 test: return;

Executed by:

libcrypto.so.1.1

20114

49

} while (0);

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}

never executed: end of block

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while (l < len

l < len	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

54

if (n == 0

n == 0	Description
TRUE	never evaluated
FALSE	never evaluated

) {

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55

(*block) (ivec, ivec, key);

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}

never executed: end of block

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out[l] = in[l] ^ ivec[n];

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++l;

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n = (n + 1) % 16;

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}

never executed: end of block

0

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*num = n;

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}

never executed: end of block

0