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ntru/poly_rq_mul: explicit casts to satisfy 32-bit clang sanitizer

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John M. Schanck 2020-11-10 15:43:51 -05:00 committed by Kris Kwiatkowski
父節點 bc7bc515e9
當前提交 7bac779bb5
共有 8 個文件被更改，包括 36 次插入 和 36 次删除
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4
crypto_kem/ntruhps2048509/META.yml
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@ -23,9 +23,9 @@ auxiliary-submitters:
- Zhenfei Zhang
implementations:
- name: clean
version: https://github.com/jschanck/ntru/tree/60cc7277 reference implementation
version: https://github.com/jschanck/ntru/tree/a43a4457 reference implementation
- name: avx2
version: https://github.com/jschanck/ntru/tree/60cc7277 avx2 implementation
version: https://github.com/jschanck/ntru/tree/a43a4457 avx2 implementation
supported_platforms:
- architecture: x86_64
operating_systems:

14
crypto_kem/ntruhps2048509/clean/poly_rq_mul.c
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@ -178,13 +178,13 @@ static void toom4_k2x2_basemul(uint16_t r[18 * K], const uint16_t a[9 * K], cons
static inline void schoolbook_KxK(uint16_t r[2 * K], const uint16_t a[K], const uint16_t b[K]) {
size_t i, j;
for (j = 0; j < K; j++) {
r[j] = a[0] * b[j];
r[j] = a[0] * (uint32_t)b[j];
}
for (i = 1; i < K; i++) {
for (j = 0; j < K - 1; j++) {
r[i + j] += a[i] * b[j];
r[i + j] += a[i] * (uint32_t)b[j];
}
r[i + K - 1] = a[i] * b[K - 1];
r[i + K - 1] = a[i] * (uint32_t)b[K - 1];
}
r[2 * K - 1] = 0;
}
@ -215,7 +215,7 @@ static void toom4_k2x2_interpolate(uint16_t r[2 * M], const uint16_t a[7 * 18 *
V0 = ((uint32_t)(P1[i] + Pm1[i])) >> 1;
V0 = V0 - C0[i] - C6[i];
V1 = ((uint32_t)(P2[i] + Pm2[i] - 2 * C0[i] - 128 * C6[i])) >> 3;
C4[i] = 43691 * (V1 - V0);
C4[i] = 43691 * (uint32_t)(V1 - V0);
C2[i] = V0 - C4[i];
P1[i] = ((uint32_t)(P1[i] - Pm1[i])) >> 1;
}
@ -226,11 +226,11 @@ static void toom4_k2x2_interpolate(uint16_t r[2 * M], const uint16_t a[7 * 18 *
for (i = 0; i < 2 * M; i++) {
V0 = P1[i];
V1 = 43691 * ((((uint32_t)(P2[i] - Pm2[i])) >> 2) - V0);
V2 = 43691 * (P3[i] - C0[i] - 9 * (C2[i] + 9 * (C4[i] + 9 * C6[i])));
V1 = 43691 * (((uint32_t)(P2[i] - Pm2[i]) >> 2) - V0);
V2 = 43691 * (uint32_t)(P3[i] - C0[i] - 9 * (C2[i] + 9 * (C4[i] + 9 * C6[i])));
V2 = ((uint32_t)(V2 - V0)) >> 3;
V2 -= V1;
P3[i] = 52429 * V2;
P3[i] = 52429 * (uint32_t)V2;
P2[i] = V1 - V2;
P1[i] = V0 - P2[i] - P3[i];
}

4
crypto_kem/ntruhps2048677/META.yml
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@ -23,9 +23,9 @@ auxiliary-submitters:
- Zhenfei Zhang
implementations:
- name: clean
version: https://github.com/jschanck/ntru/tree/60cc7277 reference implementation
version: https://github.com/jschanck/ntru/tree/a43a4457 reference implementation
- name: avx2
version: https://github.com/jschanck/ntru/tree/60cc7277 avx2 implementation
version: https://github.com/jschanck/ntru/tree/a43a4457 avx2 implementation
supported_platforms:
- architecture: x86_64
operating_systems:

14
crypto_kem/ntruhps2048677/clean/poly_rq_mul.c
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@ -178,13 +178,13 @@ static void toom4_k2x2_basemul(uint16_t r[18 * K], const uint16_t a[9 * K], cons
static inline void schoolbook_KxK(uint16_t r[2 * K], const uint16_t a[K], const uint16_t b[K]) {
size_t i, j;
for (j = 0; j < K; j++) {
r[j] = a[0] * b[j];
r[j] = a[0] * (uint32_t)b[j];
}
for (i = 1; i < K; i++) {
for (j = 0; j < K - 1; j++) {
r[i + j] += a[i] * b[j];
r[i + j] += a[i] * (uint32_t)b[j];
}
r[i + K - 1] = a[i] * b[K - 1];
r[i + K - 1] = a[i] * (uint32_t)b[K - 1];
}
r[2 * K - 1] = 0;
}
@ -215,7 +215,7 @@ static void toom4_k2x2_interpolate(uint16_t r[2 * M], const uint16_t a[7 * 18 *
V0 = ((uint32_t)(P1[i] + Pm1[i])) >> 1;
V0 = V0 - C0[i] - C6[i];
V1 = ((uint32_t)(P2[i] + Pm2[i] - 2 * C0[i] - 128 * C6[i])) >> 3;
C4[i] = 43691 * (V1 - V0);
C4[i] = 43691 * (uint32_t)(V1 - V0);
C2[i] = V0 - C4[i];
P1[i] = ((uint32_t)(P1[i] - Pm1[i])) >> 1;
}
@ -226,11 +226,11 @@ static void toom4_k2x2_interpolate(uint16_t r[2 * M], const uint16_t a[7 * 18 *
for (i = 0; i < 2 * M; i++) {
V0 = P1[i];
V1 = 43691 * ((((uint32_t)(P2[i] - Pm2[i])) >> 2) - V0);
V2 = 43691 * (P3[i] - C0[i] - 9 * (C2[i] + 9 * (C4[i] + 9 * C6[i])));
V1 = 43691 * (((uint32_t)(P2[i] - Pm2[i]) >> 2) - V0);
V2 = 43691 * (uint32_t)(P3[i] - C0[i] - 9 * (C2[i] + 9 * (C4[i] + 9 * C6[i])));
V2 = ((uint32_t)(V2 - V0)) >> 3;
V2 -= V1;
P3[i] = 52429 * V2;
P3[i] = 52429 * (uint32_t)V2;
P2[i] = V1 - V2;
P1[i] = V0 - P2[i] - P3[i];
}

4
crypto_kem/ntruhps4096821/META.yml
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@ -23,9 +23,9 @@ auxiliary-submitters:
- Zhenfei Zhang
implementations:
- name: clean
version: https://github.com/jschanck/ntru/tree/60cc7277 reference implementation
version: https://github.com/jschanck/ntru/tree/a43a4457 reference implementation
- name: avx2
version: https://github.com/jschanck/ntru/tree/60cc7277 avx2 implementation
version: https://github.com/jschanck/ntru/tree/a43a4457 avx2 implementation
supported_platforms:
- architecture: x86_64
operating_systems:

14
crypto_kem/ntruhps4096821/clean/poly_rq_mul.c
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@ -178,13 +178,13 @@ static void toom4_k2x2_basemul(uint16_t r[18 * K], const uint16_t a[9 * K], cons
static inline void schoolbook_KxK(uint16_t r[2 * K], const uint16_t a[K], const uint16_t b[K]) {
size_t i, j;
for (j = 0; j < K; j++) {
r[j] = a[0] * b[j];
r[j] = a[0] * (uint32_t)b[j];
}
for (i = 1; i < K; i++) {
for (j = 0; j < K - 1; j++) {
r[i + j] += a[i] * b[j];
r[i + j] += a[i] * (uint32_t)b[j];
}
r[i + K - 1] = a[i] * b[K - 1];
r[i + K - 1] = a[i] * (uint32_t)b[K - 1];
}
r[2 * K - 1] = 0;
}
@ -215,7 +215,7 @@ static void toom4_k2x2_interpolate(uint16_t r[2 * M], const uint16_t a[7 * 18 *
V0 = ((uint32_t)(P1[i] + Pm1[i])) >> 1;
V0 = V0 - C0[i] - C6[i];
V1 = ((uint32_t)(P2[i] + Pm2[i] - 2 * C0[i] - 128 * C6[i])) >> 3;
C4[i] = 43691 * (V1 - V0);
C4[i] = 43691 * (uint32_t)(V1 - V0);
C2[i] = V0 - C4[i];
P1[i] = ((uint32_t)(P1[i] - Pm1[i])) >> 1;
}
@ -226,11 +226,11 @@ static void toom4_k2x2_interpolate(uint16_t r[2 * M], const uint16_t a[7 * 18 *
for (i = 0; i < 2 * M; i++) {
V0 = P1[i];
V1 = 43691 * ((((uint32_t)(P2[i] - Pm2[i])) >> 2) - V0);
V2 = 43691 * (P3[i] - C0[i] - 9 * (C2[i] + 9 * (C4[i] + 9 * C6[i])));
V1 = 43691 * (((uint32_t)(P2[i] - Pm2[i]) >> 2) - V0);
V2 = 43691 * (uint32_t)(P3[i] - C0[i] - 9 * (C2[i] + 9 * (C4[i] + 9 * C6[i])));
V2 = ((uint32_t)(V2 - V0)) >> 3;
V2 -= V1;
P3[i] = 52429 * V2;
P3[i] = 52429 * (uint32_t)V2;
P2[i] = V1 - V2;
P1[i] = V0 - P2[i] - P3[i];
}

4
crypto_kem/ntruhrss701/META.yml
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@ -23,9 +23,9 @@ auxiliary-submitters:
- Zhenfei Zhang
implementations:
- name: clean
version: https://github.com/jschanck/ntru/tree/60cc7277 reference implementation
version: https://github.com/jschanck/ntru/tree/a43a4457 reference implementation
- name: avx2
version: https://github.com/jschanck/ntru/tree/60cc7277 avx2 implementation
version: https://github.com/jschanck/ntru/tree/a43a4457 avx2 implementation
supported_platforms:
- architecture: x86_64
operating_systems:

14
crypto_kem/ntruhrss701/clean/poly_rq_mul.c
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@ -178,13 +178,13 @@ static void toom4_k2x2_basemul(uint16_t r[18 * K], const uint16_t a[9 * K], cons
static inline void schoolbook_KxK(uint16_t r[2 * K], const uint16_t a[K], const uint16_t b[K]) {
size_t i, j;
for (j = 0; j < K; j++) {
r[j] = a[0] * b[j];
r[j] = a[0] * (uint32_t)b[j];
}
for (i = 1; i < K; i++) {
for (j = 0; j < K - 1; j++) {
r[i + j] += a[i] * b[j];
r[i + j] += a[i] * (uint32_t)b[j];
}
r[i + K - 1] = a[i] * b[K - 1];
r[i + K - 1] = a[i] * (uint32_t)b[K - 1];
}
r[2 * K - 1] = 0;
}
@ -215,7 +215,7 @@ static void toom4_k2x2_interpolate(uint16_t r[2 * M], const uint16_t a[7 * 18 *
V0 = ((uint32_t)(P1[i] + Pm1[i])) >> 1;
V0 = V0 - C0[i] - C6[i];
V1 = ((uint32_t)(P2[i] + Pm2[i] - 2 * C0[i] - 128 * C6[i])) >> 3;
C4[i] = 43691 * (V1 - V0);
C4[i] = 43691 * (uint32_t)(V1 - V0);
C2[i] = V0 - C4[i];
P1[i] = ((uint32_t)(P1[i] - Pm1[i])) >> 1;
}
@ -226,11 +226,11 @@ static void toom4_k2x2_interpolate(uint16_t r[2 * M], const uint16_t a[7 * 18 *
for (i = 0; i < 2 * M; i++) {
V0 = P1[i];
V1 = 43691 * ((((uint32_t)(P2[i] - Pm2[i])) >> 2) - V0);
V2 = 43691 * (P3[i] - C0[i] - 9 * (C2[i] + 9 * (C4[i] + 9 * C6[i])));
V1 = 43691 * (((uint32_t)(P2[i] - Pm2[i]) >> 2) - V0);
V2 = 43691 * (uint32_t)(P3[i] - C0[i] - 9 * (C2[i] + 9 * (C4[i] + 9 * C6[i])));
V2 = ((uint32_t)(V2 - V0)) >> 3;
V2 -= V1;
P3[i] = 52429 * V2;
P3[i] = 52429 * (uint32_t)V2;
P2[i] = V1 - V2;
P1[i] = V0 - P2[i] - P3[i];
}