f_impl.c

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f_impl.c

Absolute File Name:

/home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/ec/curve448/arch_32/f_impl.c

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Source

Count

void gf_mul(gf_s * __restrict__ cs, const gf as, const gf bs)

{

const uint32_t *a = as->limb, *b = bs->limb;

uint32_t *c = cs->limb;

uint64_t accum0 = 0, accum1 = 0, accum2 = 0;

uint32_t mask = (1 << 28) - 1;

uint32_t aa[8], bb[8];

int i, j;

for (i = 0; i < 8

i < 8	Description
TRUE	evaluated 38013344 times by 2 tests Evaluated by: curve448_internal_test libcrypto.so.1.1
FALSE	evaluated 4751668 times by 2 tests Evaluated by: curve448_internal_test libcrypto.so.1.1

; i++) {

4751668-38013344

aa[i] = a[i] + a[i + 8];

bb[i] = b[i] + b[i + 8];

}

executed 38013344 times by 2 tests: end of block

Executed by:

curve448_internal_test
libcrypto.so.1.1

38013344

for (j = 0; j < 8

j < 8	Description
TRUE	evaluated 38013344 times by 2 tests Evaluated by: curve448_internal_test libcrypto.so.1.1
FALSE	evaluated 4751668 times by 2 tests Evaluated by: curve448_internal_test libcrypto.so.1.1

; j++) {

4751668-38013344

accum2 = 0;

for (i = 0; i < j + 1

i < j + 1	Description
TRUE	evaluated 171060048 times by 2 tests Evaluated by: curve448_internal_test libcrypto.so.1.1
FALSE	evaluated 38013344 times by 2 tests Evaluated by: curve448_internal_test libcrypto.so.1.1

; i++) {

38013344-171060048

accum2 += widemul(a[j - i], b[i]);

accum1 += widemul(aa[j - i], bb[i]);

accum0 += widemul(a[8 + j - i], b[8 + i]);

}

executed 171060048 times by 2 tests: end of block

Executed by:

curve448_internal_test
libcrypto.so.1.1

171060048

accum1 -= accum2;

accum0 += accum2;

accum2 = 0;

for (i = j + 1; i < 8

i < 8	Description
TRUE	evaluated 133046704 times by 2 tests Evaluated by: curve448_internal_test libcrypto.so.1.1
FALSE	evaluated 38013344 times by 2 tests Evaluated by: curve448_internal_test libcrypto.so.1.1

; i++) {

38013344-133046704

accum0 -= widemul(a[8 + j - i], b[i]);

accum2 += widemul(aa[8 + j - i], bb[i]);

accum1 += widemul(a[16 + j - i], b[8 + i]);

}

executed 133046704 times by 2 tests: end of block

Executed by:

curve448_internal_test
libcrypto.so.1.1

133046704

accum1 += accum2;

accum0 += accum2;

c[j] = ((uint32_t)(accum0)) & mask;

c[j + 8] = ((uint32_t)(accum1)) & mask;

accum0 >>= 28;

accum1 >>= 28;

}

executed 38013344 times by 2 tests: end of block

Executed by:

curve448_internal_test
libcrypto.so.1.1

38013344

accum0 += accum1;

accum0 += c[8];

accum1 += c[0];

c[8] = ((uint32_t)(accum0)) & mask;

c[0] = ((uint32_t)(accum1)) & mask;

accum0 >>= 28;

accum1 >>= 28;

c[9] += ((uint32_t)(accum0));

c[1] += ((uint32_t)(accum1));

}

executed 4751668 times by 2 tests: end of block

Executed by:

curve448_internal_test
libcrypto.so.1.1

4751668

void gf_mulw_unsigned(gf_s * __restrict__ cs, const gf as, uint32_t b)

{

const uint32_t *a = as->limb;

uint32_t *c = cs->limb;

uint64_t accum0 = 0, accum8 = 0;

uint32_t mask = (1 << 28) - 1;

int i;

((void) (0))

;

for (i = 0; i < 8

i < 8	Description
TRUE	evaluated 3634968 times by 2 tests Evaluated by: curve448_internal_test libcrypto.so.1.1
FALSE	evaluated 454371 times by 2 tests Evaluated by: curve448_internal_test libcrypto.so.1.1

; i++) {

454371-3634968

accum0 += widemul(b, a[i]);

accum8 += widemul(b, a[i + 8]);

c[i] = accum0 & mask;

accum0 >>= 28;

c[i + 8] = accum8 & mask;

accum8 >>= 28;

}

executed 3634968 times by 2 tests: end of block

Executed by:

curve448_internal_test
libcrypto.so.1.1

3634968

accum0 += accum8 + c[8];

c[8] = ((uint32_t)accum0) & mask;

c[9] += (uint32_t)(accum0 >> 28);

accum8 += c[0];

c[0] = ((uint32_t)accum8) & mask;

c[1] += (uint32_t)(accum8 >> 28);

}

executed 454371 times by 2 tests: end of block

Executed by:

curve448_internal_test
libcrypto.so.1.1

454371

void gf_sqr(gf_s * __restrict__ cs, const gf as)

{

gf_mul(cs, as, as);

}

executed 2358815 times by 2 tests: end of block

Executed by:

curve448_internal_test
libcrypto.so.1.1

2358815

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