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uniform vect_compare implementations

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This commit is contained in:
John M. Schanck 2020-09-14 16:44:09 -04:00
parent cd1c930508
commit 15330871bf
36 changed files with 129 additions and 96 deletions
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6
crypto_kem/hqc-128/avx2/kem.c
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@ -127,9 +127,9 @@ int PQCLEAN_HQC128_AVX2_crypto_kem_dec(unsigned char *ss, const unsigned char *c
sha512(ss, mc, VEC_K_SIZE_BYTES + VEC_N_SIZE_BYTES + VEC_N1N2_SIZE_BYTES);
// Abort if c != c' or d != d'
result = PQCLEAN_HQC128_AVX2_vect_compare(u, u2, VEC_N_SIZE_BYTES);
result |= PQCLEAN_HQC128_AVX2_vect_compare(v, v2, VEC_N1N2_SIZE_BYTES);
result |= memcmp(d, d2, SHA512_BYTES);
result = PQCLEAN_HQC128_AVX2_vect_compare((uint8_t *)u, (uint8_t *)u2, VEC_N_SIZE_BYTES);
result |= PQCLEAN_HQC128_AVX2_vect_compare((uint8_t *)v, (uint8_t *)v2, VEC_N1N2_SIZE_BYTES);
result |= PQCLEAN_HQC128_AVX2_vect_compare(d, d2, SHA512_BYTES);
result = (uint8_t) (-((int16_t) result) >> 15);
for (size_t i = 0; i < SHARED_SECRET_BYTES; i++) {
ss[i] &= ~result;

12
crypto_kem/hqc-128/avx2/vector.c
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@ -162,13 +162,13 @@ void PQCLEAN_HQC128_AVX2_vect_add(uint64_t *o, const uint64_t *v1, const uint64_
* @param[in] size Integer that is the size of the vectors
* @returns 0 if the vectors are equals and a negative/psotive value otherwise
*/
int PQCLEAN_HQC128_AVX2_vect_compare(const uint64_t *v1, const uint64_t *v2, uint32_t size) {
unsigned char diff = 0;
for (uint32_t i = 0; i < size; i++) {
diff |= ((uint8_t *) v1)[i] ^ ((uint8_t *) v2)[i];
uint8_t PQCLEAN_HQC128_AVX2_vect_compare(const uint8_t *v1, const uint8_t *v2, uint32_t size) {
uint64_t r = 0;
for (size_t i = 0; i < size; i++) {
r |= v1[i] ^ v2[i];
}
return diff != 0;
r = (-r) >> 63;
return (uint8_t) r;
}

2
crypto_kem/hqc-128/avx2/vector.h
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@ -21,7 +21,7 @@ void PQCLEAN_HQC128_AVX2_vect_set_random_from_randombytes(uint64_t *v);
void PQCLEAN_HQC128_AVX2_vect_add(uint64_t *o, const uint64_t *v1, const uint64_t *v2, uint32_t size);
int PQCLEAN_HQC128_AVX2_vect_compare(const uint64_t *v1, const uint64_t *v2, uint32_t size);
uint8_t PQCLEAN_HQC128_AVX2_vect_compare(const uint8_t *v1, const uint8_t *v2, uint32_t size);
void PQCLEAN_HQC128_AVX2_vect_resize(uint64_t *o, uint32_t size_o, const uint64_t *v, uint32_t size_v);

6
crypto_kem/hqc-128/clean/kem.c
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@ -131,9 +131,9 @@ int PQCLEAN_HQC128_CLEAN_crypto_kem_dec(unsigned char *ss, const unsigned char *
sha512(ss, mc, VEC_K_SIZE_BYTES + VEC_N_SIZE_BYTES + VEC_N1N2_SIZE_BYTES);
// Abort if c != c' or d != d'
result = PQCLEAN_HQC128_CLEAN_vect_compare(u, u2, VEC_N_SIZE_BYTES);
result |= PQCLEAN_HQC128_CLEAN_vect_compare(v, v2, VEC_N1N2_SIZE_BYTES);
result |= memcmp(d, d2, SHA512_BYTES);
result = PQCLEAN_HQC128_CLEAN_vect_compare((uint8_t *)u, (uint8_t *)u2, VEC_N_SIZE_BYTES);
result |= PQCLEAN_HQC128_CLEAN_vect_compare((uint8_t *)v, (uint8_t *)v2, VEC_N1N2_SIZE_BYTES);
result |= PQCLEAN_HQC128_CLEAN_vect_compare(d, d2, SHA512_BYTES);
result = (uint8_t) (-((int16_t) result) >> 15);
for (size_t i = 0; i < SHARED_SECRET_BYTES; i++) {
ss[i] &= ~result;

9
crypto_kem/hqc-128/clean/vector.c
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@ -178,8 +178,13 @@ void PQCLEAN_HQC128_CLEAN_vect_add(uint64_t *o, const uint64_t *v1, const uint64
* @param[in] size Integer that is the size of the vectors
* @returns 0 if the vectors are equals and a negative/psotive value otherwise
*/
int PQCLEAN_HQC128_CLEAN_vect_compare(const uint64_t *v1, const uint64_t *v2, uint32_t size) {
return memcmp(v1, v2, size);
uint8_t PQCLEAN_HQC128_CLEAN_vect_compare(const uint8_t *v1, const uint8_t *v2, uint32_t size) {
uint64_t r = 0;
for (size_t i = 0; i < size; i++) {
r |= v1[i] ^ v2[i];
}
r = (-r) >> 63;
return (uint8_t) r;
}

2
crypto_kem/hqc-128/clean/vector.h
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@ -21,7 +21,7 @@ void PQCLEAN_HQC128_CLEAN_vect_set_random(AES_XOF_struct *ctx, uint64_t *v);
void PQCLEAN_HQC128_CLEAN_vect_add(uint64_t *o, const uint64_t *v1, const uint64_t *v2, uint32_t size);
int PQCLEAN_HQC128_CLEAN_vect_compare(const uint64_t *v1, const uint64_t *v2, uint32_t size);
uint8_t PQCLEAN_HQC128_CLEAN_vect_compare(const uint8_t *v1, const uint8_t *v2, uint32_t size);
void PQCLEAN_HQC128_CLEAN_vect_resize(uint64_t *o, uint32_t size_o, const uint64_t *v, uint32_t size_v);

6
crypto_kem/hqc-192/avx2/kem.c
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@ -127,9 +127,9 @@ int PQCLEAN_HQC192_AVX2_crypto_kem_dec(unsigned char *ss, const unsigned char *c
sha512(ss, mc, VEC_K_SIZE_BYTES + VEC_N_SIZE_BYTES + VEC_N1N2_SIZE_BYTES);
// Abort if c != c' or d != d'
result = PQCLEAN_HQC192_AVX2_vect_compare(u, u2, VEC_N_SIZE_BYTES);
result |= PQCLEAN_HQC192_AVX2_vect_compare(v, v2, VEC_N1N2_SIZE_BYTES);
result |= memcmp(d, d2, SHA512_BYTES);
result = PQCLEAN_HQC192_AVX2_vect_compare((uint8_t *)u, (uint8_t *)u2, VEC_N_SIZE_BYTES);
result |= PQCLEAN_HQC192_AVX2_vect_compare((uint8_t *)v, (uint8_t *)v2, VEC_N1N2_SIZE_BYTES);
result |= PQCLEAN_HQC192_AVX2_vect_compare(d, d2, SHA512_BYTES);
result = (uint8_t) (-((int16_t) result) >> 15);
for (size_t i = 0; i < SHARED_SECRET_BYTES; i++) {
ss[i] &= ~result;

12
crypto_kem/hqc-192/avx2/vector.c
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@ -162,13 +162,13 @@ void PQCLEAN_HQC192_AVX2_vect_add(uint64_t *o, const uint64_t *v1, const uint64_
* @param[in] size Integer that is the size of the vectors
* @returns 0 if the vectors are equals and a negative/psotive value otherwise
*/
int PQCLEAN_HQC192_AVX2_vect_compare(const uint64_t *v1, const uint64_t *v2, uint32_t size) {
unsigned char diff = 0;
for (uint32_t i = 0; i < size; i++) {
diff |= ((uint8_t *) v1)[i] ^ ((uint8_t *) v2)[i];
uint8_t PQCLEAN_HQC192_AVX2_vect_compare(const uint8_t *v1, const uint8_t *v2, uint32_t size) {
uint64_t r = 0;
for (size_t i = 0; i < size; i++) {
r |= v1[i] ^ v2[i];
}
return diff != 0;
r = (-r) >> 63;
return (uint8_t) r;
}

2
crypto_kem/hqc-192/avx2/vector.h
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@ -21,7 +21,7 @@ void PQCLEAN_HQC192_AVX2_vect_set_random_from_randombytes(uint64_t *v);
void PQCLEAN_HQC192_AVX2_vect_add(uint64_t *o, const uint64_t *v1, const uint64_t *v2, uint32_t size);
int PQCLEAN_HQC192_AVX2_vect_compare(const uint64_t *v1, const uint64_t *v2, uint32_t size);
uint8_t PQCLEAN_HQC192_AVX2_vect_compare(const uint8_t *v1, const uint8_t *v2, uint32_t size);
void PQCLEAN_HQC192_AVX2_vect_resize(uint64_t *o, uint32_t size_o, const uint64_t *v, uint32_t size_v);

6
crypto_kem/hqc-192/clean/kem.c
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@ -131,9 +131,9 @@ int PQCLEAN_HQC192_CLEAN_crypto_kem_dec(unsigned char *ss, const unsigned char *
sha512(ss, mc, VEC_K_SIZE_BYTES + VEC_N_SIZE_BYTES + VEC_N1N2_SIZE_BYTES);
// Abort if c != c' or d != d'
result = PQCLEAN_HQC192_CLEAN_vect_compare(u, u2, VEC_N_SIZE_BYTES);
result |= PQCLEAN_HQC192_CLEAN_vect_compare(v, v2, VEC_N1N2_SIZE_BYTES);
result |= memcmp(d, d2, SHA512_BYTES);
result = PQCLEAN_HQC192_CLEAN_vect_compare((uint8_t *)u, (uint8_t *)u2, VEC_N_SIZE_BYTES);
result |= PQCLEAN_HQC192_CLEAN_vect_compare((uint8_t *)v, (uint8_t *)v2, VEC_N1N2_SIZE_BYTES);
result |= PQCLEAN_HQC192_CLEAN_vect_compare(d, d2, SHA512_BYTES);
result = (uint8_t) (-((int16_t) result) >> 15);
for (size_t i = 0; i < SHARED_SECRET_BYTES; i++) {
ss[i] &= ~result;

9
crypto_kem/hqc-192/clean/vector.c
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@ -178,8 +178,13 @@ void PQCLEAN_HQC192_CLEAN_vect_add(uint64_t *o, const uint64_t *v1, const uint64
* @param[in] size Integer that is the size of the vectors
* @returns 0 if the vectors are equals and a negative/psotive value otherwise
*/
int PQCLEAN_HQC192_CLEAN_vect_compare(const uint64_t *v1, const uint64_t *v2, uint32_t size) {
return memcmp(v1, v2, size);
uint8_t PQCLEAN_HQC192_CLEAN_vect_compare(const uint8_t *v1, const uint8_t *v2, uint32_t size) {
uint64_t r = 0;
for (size_t i = 0; i < size; i++) {
r |= v1[i] ^ v2[i];
}
r = (-r) >> 63;
return (uint8_t) r;
}

2
crypto_kem/hqc-192/clean/vector.h
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@ -21,7 +21,7 @@ void PQCLEAN_HQC192_CLEAN_vect_set_random(AES_XOF_struct *ctx, uint64_t *v);
void PQCLEAN_HQC192_CLEAN_vect_add(uint64_t *o, const uint64_t *v1, const uint64_t *v2, uint32_t size);
int PQCLEAN_HQC192_CLEAN_vect_compare(const uint64_t *v1, const uint64_t *v2, uint32_t size);
uint8_t PQCLEAN_HQC192_CLEAN_vect_compare(const uint8_t *v1, const uint8_t *v2, uint32_t size);
void PQCLEAN_HQC192_CLEAN_vect_resize(uint64_t *o, uint32_t size_o, const uint64_t *v, uint32_t size_v);

6
crypto_kem/hqc-256/avx2/kem.c
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@ -127,9 +127,9 @@ int PQCLEAN_HQC256_AVX2_crypto_kem_dec(unsigned char *ss, const unsigned char *c
sha512(ss, mc, VEC_K_SIZE_BYTES + VEC_N_SIZE_BYTES + VEC_N1N2_SIZE_BYTES);
// Abort if c != c' or d != d'
result = PQCLEAN_HQC256_AVX2_vect_compare(u, u2, VEC_N_SIZE_BYTES);
result |= PQCLEAN_HQC256_AVX2_vect_compare(v, v2, VEC_N1N2_SIZE_BYTES);
result |= memcmp(d, d2, SHA512_BYTES);
result = PQCLEAN_HQC256_AVX2_vect_compare((uint8_t *)u, (uint8_t *)u2, VEC_N_SIZE_BYTES);
result |= PQCLEAN_HQC256_AVX2_vect_compare((uint8_t *)v, (uint8_t *)v2, VEC_N1N2_SIZE_BYTES);
result |= PQCLEAN_HQC256_AVX2_vect_compare(d, d2, SHA512_BYTES);
result = (uint8_t) (-((int16_t) result) >> 15);
for (size_t i = 0; i < SHARED_SECRET_BYTES; i++) {
ss[i] &= ~result;

12
crypto_kem/hqc-256/avx2/vector.c
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@ -162,13 +162,13 @@ void PQCLEAN_HQC256_AVX2_vect_add(uint64_t *o, const uint64_t *v1, const uint64_
* @param[in] size Integer that is the size of the vectors
* @returns 0 if the vectors are equals and a negative/psotive value otherwise
*/
int PQCLEAN_HQC256_AVX2_vect_compare(const uint64_t *v1, const uint64_t *v2, uint32_t size) {
unsigned char diff = 0;
for (uint32_t i = 0; i < size; i++) {
diff |= ((uint8_t *) v1)[i] ^ ((uint8_t *) v2)[i];
uint8_t PQCLEAN_HQC256_AVX2_vect_compare(const uint8_t *v1, const uint8_t *v2, uint32_t size) {
uint64_t r = 0;
for (size_t i = 0; i < size; i++) {
r |= v1[i] ^ v2[i];
}
return diff != 0;
r = (-r) >> 63;
return (uint8_t) r;
}

2
crypto_kem/hqc-256/avx2/vector.h
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@ -21,7 +21,7 @@ void PQCLEAN_HQC256_AVX2_vect_set_random_from_randombytes(uint64_t *v);
void PQCLEAN_HQC256_AVX2_vect_add(uint64_t *o, const uint64_t *v1, const uint64_t *v2, uint32_t size);
int PQCLEAN_HQC256_AVX2_vect_compare(const uint64_t *v1, const uint64_t *v2, uint32_t size);
uint8_t PQCLEAN_HQC256_AVX2_vect_compare(const uint8_t *v1, const uint8_t *v2, uint32_t size);
void PQCLEAN_HQC256_AVX2_vect_resize(uint64_t *o, uint32_t size_o, const uint64_t *v, uint32_t size_v);

6
crypto_kem/hqc-256/clean/kem.c
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@ -131,9 +131,9 @@ int PQCLEAN_HQC256_CLEAN_crypto_kem_dec(unsigned char *ss, const unsigned char *
sha512(ss, mc, VEC_K_SIZE_BYTES + VEC_N_SIZE_BYTES + VEC_N1N2_SIZE_BYTES);
// Abort if c != c' or d != d'
result = PQCLEAN_HQC256_CLEAN_vect_compare(u, u2, VEC_N_SIZE_BYTES);
result |= PQCLEAN_HQC256_CLEAN_vect_compare(v, v2, VEC_N1N2_SIZE_BYTES);
result |= memcmp(d, d2, SHA512_BYTES);
result = PQCLEAN_HQC256_CLEAN_vect_compare((uint8_t *)u, (uint8_t *)u2, VEC_N_SIZE_BYTES);
result |= PQCLEAN_HQC256_CLEAN_vect_compare((uint8_t *)v, (uint8_t *)v2, VEC_N1N2_SIZE_BYTES);
result |= PQCLEAN_HQC256_CLEAN_vect_compare(d, d2, SHA512_BYTES);
result = (uint8_t) (-((int16_t) result) >> 15);
for (size_t i = 0; i < SHARED_SECRET_BYTES; i++) {
ss[i] &= ~result;

9
crypto_kem/hqc-256/clean/vector.c
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@ -178,8 +178,13 @@ void PQCLEAN_HQC256_CLEAN_vect_add(uint64_t *o, const uint64_t *v1, const uint64
* @param[in] size Integer that is the size of the vectors
* @returns 0 if the vectors are equals and a negative/psotive value otherwise
*/
int PQCLEAN_HQC256_CLEAN_vect_compare(const uint64_t *v1, const uint64_t *v2, uint32_t size) {
return memcmp(v1, v2, size);
uint8_t PQCLEAN_HQC256_CLEAN_vect_compare(const uint8_t *v1, const uint8_t *v2, uint32_t size) {
uint64_t r = 0;
for (size_t i = 0; i < size; i++) {
r |= v1[i] ^ v2[i];
}
r = (-r) >> 63;
return (uint8_t) r;
}

2
crypto_kem/hqc-256/clean/vector.h
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@ -21,7 +21,7 @@ void PQCLEAN_HQC256_CLEAN_vect_set_random(AES_XOF_struct *ctx, uint64_t *v);
void PQCLEAN_HQC256_CLEAN_vect_add(uint64_t *o, const uint64_t *v1, const uint64_t *v2, uint32_t size);
int PQCLEAN_HQC256_CLEAN_vect_compare(const uint64_t *v1, const uint64_t *v2, uint32_t size);
uint8_t PQCLEAN_HQC256_CLEAN_vect_compare(const uint8_t *v1, const uint8_t *v2, uint32_t size);
void PQCLEAN_HQC256_CLEAN_vect_resize(uint64_t *o, uint32_t size_o, const uint64_t *v, uint32_t size_v);

6
crypto_kem/hqc-rmrs-128/avx2/kem.c
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@ -127,9 +127,9 @@ int PQCLEAN_HQCRMRS128_AVX2_crypto_kem_dec(unsigned char *ss, const unsigned cha
sha512(ss, mc, VEC_K_SIZE_BYTES + VEC_N_SIZE_BYTES + VEC_N1N2_SIZE_BYTES);
// Abort if c != c' or d != d'
result = PQCLEAN_HQCRMRS128_AVX2_vect_compare(u, u2, VEC_N_SIZE_BYTES);
result |= PQCLEAN_HQCRMRS128_AVX2_vect_compare(v, v2, VEC_N1N2_SIZE_BYTES);
result |= memcmp(d, d2, SHA512_BYTES);
result = PQCLEAN_HQCRMRS128_AVX2_vect_compare((uint8_t *)u, (uint8_t *)u2, VEC_N_SIZE_BYTES);
result |= PQCLEAN_HQCRMRS128_AVX2_vect_compare((uint8_t *)v, (uint8_t *)v2, VEC_N1N2_SIZE_BYTES);
result |= PQCLEAN_HQCRMRS128_AVX2_vect_compare(d, d2, SHA512_BYTES);
result = (uint8_t) (-((int16_t) result) >> 15);
for (size_t i = 0; i < SHARED_SECRET_BYTES; i++) {
ss[i] &= ~result;

15
crypto_kem/hqc-rmrs-128/avx2/vector.c
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@ -146,14 +146,15 @@ void PQCLEAN_HQCRMRS128_AVX2_vect_add(uint64_t *o, const uint64_t *v1, const uin
* @param[in] size Integer that is the size of the vectors
* @returns 0 if the vectors are equals and a negative/psotive value otherwise
*/
int PQCLEAN_HQCRMRS128_AVX2_vect_compare(const uint64_t *v1, const uint64_t *v2, uint32_t size) {
unsigned char diff = 0;
uint8_t PQCLEAN_HQCRMRS128_AVX2_vect_compare(const uint8_t *v1, const uint8_t *v2, uint32_t size) {
uint64_t r = 0;
for (size_t i = 0; i < size; i++) {
r |= v1[i] ^ v2[i];
}
r = (-r) >> 63;
return (uint8_t) r;
}
for (uint32_t i = 0; i < size; i++) {
diff |= ((uint8_t *) v1)[i] ^ ((uint8_t *) v2)[i];
}
return diff != 0;
}

2
crypto_kem/hqc-rmrs-128/avx2/vector.h
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@ -21,7 +21,7 @@ void PQCLEAN_HQCRMRS128_AVX2_vect_set_random_from_randombytes(uint64_t *v);
void PQCLEAN_HQCRMRS128_AVX2_vect_add(uint64_t *o, const uint64_t *v1, const uint64_t *v2, uint32_t size);
int PQCLEAN_HQCRMRS128_AVX2_vect_compare(const uint64_t *v1, const uint64_t *v2, uint32_t size);
uint8_t PQCLEAN_HQCRMRS128_AVX2_vect_compare(const uint8_t *v1, const uint8_t *v2, uint32_t size);
void PQCLEAN_HQCRMRS128_AVX2_vect_resize(uint64_t *o, uint32_t size_o, const uint64_t *v, uint32_t size_v);

6
crypto_kem/hqc-rmrs-128/clean/kem.c
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@ -127,9 +127,9 @@ int PQCLEAN_HQCRMRS128_CLEAN_crypto_kem_dec(unsigned char *ss, const unsigned ch
sha512(ss, mc, VEC_K_SIZE_BYTES + VEC_N_SIZE_BYTES + VEC_N1N2_SIZE_BYTES);
// Abort if c != c' or d != d'
result = PQCLEAN_HQCRMRS128_CLEAN_vect_compare(u, u2, VEC_N_SIZE_BYTES);
result |= PQCLEAN_HQCRMRS128_CLEAN_vect_compare(v, v2, VEC_N1N2_SIZE_BYTES);
result |= memcmp(d, d2, SHA512_BYTES);
result = PQCLEAN_HQCRMRS128_CLEAN_vect_compare((uint8_t *)u, (uint8_t *)u2, VEC_N_SIZE_BYTES);
result |= PQCLEAN_HQCRMRS128_CLEAN_vect_compare((uint8_t *)v, (uint8_t *)v2, VEC_N1N2_SIZE_BYTES);
result |= PQCLEAN_HQCRMRS128_CLEAN_vect_compare(d, d2, SHA512_BYTES);
result = (uint8_t) (-((int16_t) result) >> 15);
for (size_t i = 0; i < SHARED_SECRET_BYTES; i++) {
ss[i] &= ~result;

9
crypto_kem/hqc-rmrs-128/clean/vector.c
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@ -178,8 +178,13 @@ void PQCLEAN_HQCRMRS128_CLEAN_vect_add(uint64_t *o, const uint64_t *v1, const ui
* @param[in] size Integer that is the size of the vectors
* @returns 0 if the vectors are equals and a negative/psotive value otherwise
*/
int PQCLEAN_HQCRMRS128_CLEAN_vect_compare(const uint64_t *v1, const uint64_t *v2, uint32_t size) {
return memcmp(v1, v2, size);
uint8_t PQCLEAN_HQCRMRS128_CLEAN_vect_compare(const uint8_t *v1, const uint8_t *v2, uint32_t size) {
uint64_t r = 0;
for (size_t i = 0; i < size; i++) {
r |= v1[i] ^ v2[i];
}
r = (-r) >> 63;
return (uint8_t) r;
}

2
crypto_kem/hqc-rmrs-128/clean/vector.h
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@ -21,7 +21,7 @@ void PQCLEAN_HQCRMRS128_CLEAN_vect_set_random(AES_XOF_struct *ctx, uint64_t *v);
void PQCLEAN_HQCRMRS128_CLEAN_vect_add(uint64_t *o, const uint64_t *v1, const uint64_t *v2, uint32_t size);
int PQCLEAN_HQCRMRS128_CLEAN_vect_compare(const uint64_t *v1, const uint64_t *v2, uint32_t size);
uint8_t PQCLEAN_HQCRMRS128_CLEAN_vect_compare(const uint8_t *v1, const uint8_t *v2, uint32_t size);
void PQCLEAN_HQCRMRS128_CLEAN_vect_resize(uint64_t *o, uint32_t size_o, const uint64_t *v, uint32_t size_v);

6
crypto_kem/hqc-rmrs-192/avx2/kem.c
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@ -127,9 +127,9 @@ int PQCLEAN_HQCRMRS192_AVX2_crypto_kem_dec(unsigned char *ss, const unsigned cha
sha512(ss, mc, VEC_K_SIZE_BYTES + VEC_N_SIZE_BYTES + VEC_N1N2_SIZE_BYTES);
// Abort if c != c' or d != d'
result = PQCLEAN_HQCRMRS192_AVX2_vect_compare(u, u2, VEC_N_SIZE_BYTES);
result |= PQCLEAN_HQCRMRS192_AVX2_vect_compare(v, v2, VEC_N1N2_SIZE_BYTES);
result |= memcmp(d, d2, SHA512_BYTES);
result = PQCLEAN_HQCRMRS192_AVX2_vect_compare((uint8_t *)u, (uint8_t *)u2, VEC_N_SIZE_BYTES);
result |= PQCLEAN_HQCRMRS192_AVX2_vect_compare((uint8_t *)v, (uint8_t *)v2, VEC_N1N2_SIZE_BYTES);
result |= PQCLEAN_HQCRMRS192_AVX2_vect_compare(d, d2, SHA512_BYTES);
result = (uint8_t) (-((int16_t) result) >> 15);
for (size_t i = 0; i < SHARED_SECRET_BYTES; i++) {
ss[i] &= ~result;

15
crypto_kem/hqc-rmrs-192/avx2/vector.c
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@ -146,14 +146,15 @@ void PQCLEAN_HQCRMRS192_AVX2_vect_add(uint64_t *o, const uint64_t *v1, const uin
* @param[in] size Integer that is the size of the vectors
* @returns 0 if the vectors are equals and a negative/psotive value otherwise
*/
int PQCLEAN_HQCRMRS192_AVX2_vect_compare(const uint64_t *v1, const uint64_t *v2, uint32_t size) {
unsigned char diff = 0;
uint8_t PQCLEAN_HQCRMRS192_AVX2_vect_compare(const uint8_t *v1, const uint8_t *v2, uint32_t size) {
uint64_t r = 0;
for (size_t i = 0; i < size; i++) {
r |= v1[i] ^ v2[i];
}
r = (-r) >> 63;
return (uint8_t) r;
}
for (uint32_t i = 0; i < size; i++) {
diff |= ((uint8_t *) v1)[i] ^ ((uint8_t *) v2)[i];
}
return diff != 0;
}

2
crypto_kem/hqc-rmrs-192/avx2/vector.h
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@ -21,7 +21,7 @@ void PQCLEAN_HQCRMRS192_AVX2_vect_set_random_from_randombytes(uint64_t *v);
void PQCLEAN_HQCRMRS192_AVX2_vect_add(uint64_t *o, const uint64_t *v1, const uint64_t *v2, uint32_t size);
int PQCLEAN_HQCRMRS192_AVX2_vect_compare(const uint64_t *v1, const uint64_t *v2, uint32_t size);
uint8_t PQCLEAN_HQCRMRS192_AVX2_vect_compare(const uint8_t *v1, const uint8_t *v2, uint32_t size);
void PQCLEAN_HQCRMRS192_AVX2_vect_resize(uint64_t *o, uint32_t size_o, const uint64_t *v, uint32_t size_v);

6
crypto_kem/hqc-rmrs-192/clean/kem.c
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@ -127,9 +127,9 @@ int PQCLEAN_HQCRMRS192_CLEAN_crypto_kem_dec(unsigned char *ss, const unsigned ch
sha512(ss, mc, VEC_K_SIZE_BYTES + VEC_N_SIZE_BYTES + VEC_N1N2_SIZE_BYTES);
// Abort if c != c' or d != d'
result = PQCLEAN_HQCRMRS192_CLEAN_vect_compare(u, u2, VEC_N_SIZE_BYTES);
result |= PQCLEAN_HQCRMRS192_CLEAN_vect_compare(v, v2, VEC_N1N2_SIZE_BYTES);
result |= memcmp(d, d2, SHA512_BYTES);
result = PQCLEAN_HQCRMRS192_CLEAN_vect_compare((uint8_t *)u, (uint8_t *)u2, VEC_N_SIZE_BYTES);
result |= PQCLEAN_HQCRMRS192_CLEAN_vect_compare((uint8_t *)v, (uint8_t *)v2, VEC_N1N2_SIZE_BYTES);
result |= PQCLEAN_HQCRMRS192_CLEAN_vect_compare(d, d2, SHA512_BYTES);
result = (uint8_t) (-((int16_t) result) >> 15);
for (size_t i = 0; i < SHARED_SECRET_BYTES; i++) {
ss[i] &= ~result;

9
crypto_kem/hqc-rmrs-192/clean/vector.c
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@ -178,8 +178,13 @@ void PQCLEAN_HQCRMRS192_CLEAN_vect_add(uint64_t *o, const uint64_t *v1, const ui
* @param[in] size Integer that is the size of the vectors
* @returns 0 if the vectors are equals and a negative/psotive value otherwise
*/
int PQCLEAN_HQCRMRS192_CLEAN_vect_compare(const uint64_t *v1, const uint64_t *v2, uint32_t size) {
return memcmp(v1, v2, size);
uint8_t PQCLEAN_HQCRMRS192_CLEAN_vect_compare(const uint8_t *v1, const uint8_t *v2, uint32_t size) {
uint64_t r = 0;
for (size_t i = 0; i < size; i++) {
r |= v1[i] ^ v2[i];
}
r = (-r) >> 63;
return (uint8_t) r;
}

2
crypto_kem/hqc-rmrs-192/clean/vector.h
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@ -21,7 +21,7 @@ void PQCLEAN_HQCRMRS192_CLEAN_vect_set_random(AES_XOF_struct *ctx, uint64_t *v);
void PQCLEAN_HQCRMRS192_CLEAN_vect_add(uint64_t *o, const uint64_t *v1, const uint64_t *v2, uint32_t size);
int PQCLEAN_HQCRMRS192_CLEAN_vect_compare(const uint64_t *v1, const uint64_t *v2, uint32_t size);
uint8_t PQCLEAN_HQCRMRS192_CLEAN_vect_compare(const uint8_t *v1, const uint8_t *v2, uint32_t size);
void PQCLEAN_HQCRMRS192_CLEAN_vect_resize(uint64_t *o, uint32_t size_o, const uint64_t *v, uint32_t size_v);

6
crypto_kem/hqc-rmrs-256/avx2/kem.c
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@ -127,9 +127,9 @@ int PQCLEAN_HQCRMRS256_AVX2_crypto_kem_dec(unsigned char *ss, const unsigned cha
sha512(ss, mc, VEC_K_SIZE_BYTES + VEC_N_SIZE_BYTES + VEC_N1N2_SIZE_BYTES);
// Abort if c != c' or d != d'
result = PQCLEAN_HQCRMRS256_AVX2_vect_compare(u, u2, VEC_N_SIZE_BYTES);
result |= PQCLEAN_HQCRMRS256_AVX2_vect_compare(v, v2, VEC_N1N2_SIZE_BYTES);
result |= memcmp(d, d2, SHA512_BYTES);
result = PQCLEAN_HQCRMRS256_AVX2_vect_compare((uint8_t *)u, (uint8_t *)u2, VEC_N_SIZE_BYTES);
result |= PQCLEAN_HQCRMRS256_AVX2_vect_compare((uint8_t *)v, (uint8_t *)v2, VEC_N1N2_SIZE_BYTES);
result |= PQCLEAN_HQCRMRS256_AVX2_vect_compare(d, d2, SHA512_BYTES);
result = (uint8_t) (-((int16_t) result) >> 15);
for (size_t i = 0; i < SHARED_SECRET_BYTES; i++) {
ss[i] &= ~result;

15
crypto_kem/hqc-rmrs-256/avx2/vector.c
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@ -146,14 +146,15 @@ void PQCLEAN_HQCRMRS256_AVX2_vect_add(uint64_t *o, const uint64_t *v1, const uin
* @param[in] size Integer that is the size of the vectors
* @returns 0 if the vectors are equals and a negative/psotive value otherwise
*/
int PQCLEAN_HQCRMRS256_AVX2_vect_compare(const uint64_t *v1, const uint64_t *v2, uint32_t size) {
unsigned char diff = 0;
uint8_t PQCLEAN_HQCRMRS256_AVX2_vect_compare(const uint8_t *v1, const uint8_t *v2, uint32_t size) {
uint64_t r = 0;
for (size_t i = 0; i < size; i++) {
r |= v1[i] ^ v2[i];
}
r = (-r) >> 63;
return (uint8_t) r;
}
for (uint32_t i = 0; i < size; i++) {
diff |= ((uint8_t *) v1)[i] ^ ((uint8_t *) v2)[i];
}
return diff != 0;
}

2
crypto_kem/hqc-rmrs-256/avx2/vector.h
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@ -21,7 +21,7 @@ void PQCLEAN_HQCRMRS256_AVX2_vect_set_random_from_randombytes(uint64_t *v);
void PQCLEAN_HQCRMRS256_AVX2_vect_add(uint64_t *o, const uint64_t *v1, const uint64_t *v2, uint32_t size);
int PQCLEAN_HQCRMRS256_AVX2_vect_compare(const uint64_t *v1, const uint64_t *v2, uint32_t size);
uint8_t PQCLEAN_HQCRMRS256_AVX2_vect_compare(const uint8_t *v1, const uint8_t *v2, uint32_t size);
void PQCLEAN_HQCRMRS256_AVX2_vect_resize(uint64_t *o, uint32_t size_o, const uint64_t *v, uint32_t size_v);

6
crypto_kem/hqc-rmrs-256/clean/kem.c
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@ -127,9 +127,9 @@ int PQCLEAN_HQCRMRS256_CLEAN_crypto_kem_dec(unsigned char *ss, const unsigned ch
sha512(ss, mc, VEC_K_SIZE_BYTES + VEC_N_SIZE_BYTES + VEC_N1N2_SIZE_BYTES);
// Abort if c != c' or d != d'
result = PQCLEAN_HQCRMRS256_CLEAN_vect_compare(u, u2, VEC_N_SIZE_BYTES);
result |= PQCLEAN_HQCRMRS256_CLEAN_vect_compare(v, v2, VEC_N1N2_SIZE_BYTES);
result |= memcmp(d, d2, SHA512_BYTES);
result = PQCLEAN_HQCRMRS256_CLEAN_vect_compare((uint8_t *)u, (uint8_t *)u2, VEC_N_SIZE_BYTES);
result |= PQCLEAN_HQCRMRS256_CLEAN_vect_compare((uint8_t *)v, (uint8_t *)v2, VEC_N1N2_SIZE_BYTES);
result |= PQCLEAN_HQCRMRS256_CLEAN_vect_compare(d, d2, SHA512_BYTES);
result = (uint8_t) (-((int16_t) result) >> 15);
for (size_t i = 0; i < SHARED_SECRET_BYTES; i++) {
ss[i] &= ~result;

9
crypto_kem/hqc-rmrs-256/clean/vector.c
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@ -178,8 +178,13 @@ void PQCLEAN_HQCRMRS256_CLEAN_vect_add(uint64_t *o, const uint64_t *v1, const ui
* @param[in] size Integer that is the size of the vectors
* @returns 0 if the vectors are equals and a negative/psotive value otherwise
*/
int PQCLEAN_HQCRMRS256_CLEAN_vect_compare(const uint64_t *v1, const uint64_t *v2, uint32_t size) {
return memcmp(v1, v2, size);
uint8_t PQCLEAN_HQCRMRS256_CLEAN_vect_compare(const uint8_t *v1, const uint8_t *v2, uint32_t size) {
uint64_t r = 0;
for (size_t i = 0; i < size; i++) {
r |= v1[i] ^ v2[i];
}
r = (-r) >> 63;
return (uint8_t) r;
}

2
crypto_kem/hqc-rmrs-256/clean/vector.h
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@ -21,7 +21,7 @@ void PQCLEAN_HQCRMRS256_CLEAN_vect_set_random(AES_XOF_struct *ctx, uint64_t *v);
void PQCLEAN_HQCRMRS256_CLEAN_vect_add(uint64_t *o, const uint64_t *v1, const uint64_t *v2, uint32_t size);
int PQCLEAN_HQCRMRS256_CLEAN_vect_compare(const uint64_t *v1, const uint64_t *v2, uint32_t size);
uint8_t PQCLEAN_HQCRMRS256_CLEAN_vect_compare(const uint8_t *v1, const uint8_t *v2, uint32_t size);
void PQCLEAN_HQCRMRS256_CLEAN_vect_resize(uint64_t *o, uint32_t size_o, const uint64_t *v, uint32_t size_v);