explicit casts

crypto_kem/kyber1024-90s/clean/indcpa.c

@@ -167,9 +167,9 @@ void PQCLEAN_KYBER102490S_CLEAN_gen_matrix(polyvec *a, const uint8_t seed[KYBER_
     for (i = 0; i < KYBER_K; i++) {
         for (j = 0; j < KYBER_K; j++) {
             if (transposed) {
-                xof_absorb(&state, seed, i, j);
+                xof_absorb(&state, seed, (uint8_t)i, (uint8_t)j);
             } else {
-                xof_absorb(&state, seed, j, i);
+                xof_absorb(&state, seed, (uint8_t)j, (uint8_t)i);
             }
 
             xof_squeezeblocks(buf, GEN_MATRIX_NBLOCKS, &state);

crypto_kem/kyber1024-90s/clean/poly.c

@@ -88,9 +88,9 @@ void PQCLEAN_KYBER102490S_CLEAN_poly_tobytes(uint8_t r[KYBER_POLYBYTES], const p
         t0 += ((int16_t)t0 >> 15) & KYBER_Q;
         t1 = a->coeffs[2 * i + 1];
         t1 += ((int16_t)t1 >> 15) & KYBER_Q;
-        r[3 * i + 0] = (t0 >> 0);
-        r[3 * i + 1] = (t0 >> 8) | (t1 << 4);
-        r[3 * i + 2] = (t1 >> 4);
+        r[3 * i + 0] = (uint8_t)(t0 >> 0);
+        r[3 * i + 1] = (uint8_t)((t0 >> 8) | (t1 << 4));
+        r[3 * i + 2] = (uint8_t)(t1 >> 4);
     }
 }
 

crypto_kem/kyber1024/clean/indcpa.c

@@ -167,9 +167,9 @@ void PQCLEAN_KYBER1024_CLEAN_gen_matrix(polyvec *a, const uint8_t seed[KYBER_SYM
     for (i = 0; i < KYBER_K; i++) {
         for (j = 0; j < KYBER_K; j++) {
             if (transposed) {
-                xof_absorb(&state, seed, i, j);
+                xof_absorb(&state, seed, (uint8_t)i, (uint8_t)j);
             } else {
-                xof_absorb(&state, seed, j, i);
+                xof_absorb(&state, seed, (uint8_t)j, (uint8_t)i);
             }
 
             xof_squeezeblocks(buf, GEN_MATRIX_NBLOCKS, &state);

crypto_kem/kyber1024/clean/poly.c

@@ -88,9 +88,9 @@ void PQCLEAN_KYBER1024_CLEAN_poly_tobytes(uint8_t r[KYBER_POLYBYTES], const poly
         t0 += ((int16_t)t0 >> 15) & KYBER_Q;
         t1 = a->coeffs[2 * i + 1];
         t1 += ((int16_t)t1 >> 15) & KYBER_Q;
-        r[3 * i + 0] = (t0 >> 0);
-        r[3 * i + 1] = (t0 >> 8) | (t1 << 4);
-        r[3 * i + 2] = (t1 >> 4);
+        r[3 * i + 0] = (uint8_t)(t0 >> 0);
+        r[3 * i + 1] = (uint8_t)((t0 >> 8) | (t1 << 4));
+        r[3 * i + 2] = (uint8_t)(t1 >> 4);
     }
 }
 

crypto_kem/kyber512-90s/clean/indcpa.c

@@ -167,9 +167,9 @@ void PQCLEAN_KYBER51290S_CLEAN_gen_matrix(polyvec *a, const uint8_t seed[KYBER_S
     for (i = 0; i < KYBER_K; i++) {
         for (j = 0; j < KYBER_K; j++) {
             if (transposed) {
-                xof_absorb(&state, seed, i, j);
+                xof_absorb(&state, seed, (uint8_t)i, (uint8_t)j);
             } else {
-                xof_absorb(&state, seed, j, i);
+                xof_absorb(&state, seed, (uint8_t)j, (uint8_t)i);
             }
 
             xof_squeezeblocks(buf, GEN_MATRIX_NBLOCKS, &state);

crypto_kem/kyber512-90s/clean/poly.c

@@ -75,9 +75,9 @@ void PQCLEAN_KYBER51290S_CLEAN_poly_tobytes(uint8_t r[KYBER_POLYBYTES], const po
         t0 += ((int16_t)t0 >> 15) & KYBER_Q;
         t1 = a->coeffs[2 * i + 1];
         t1 += ((int16_t)t1 >> 15) & KYBER_Q;
-        r[3 * i + 0] = (t0 >> 0);
-        r[3 * i + 1] = (t0 >> 8) | (t1 << 4);
-        r[3 * i + 2] = (t1 >> 4);
+        r[3 * i + 0] = (uint8_t)(t0 >> 0);
+        r[3 * i + 1] = (uint8_t)((t0 >> 8) | (t1 << 4));
+        r[3 * i + 2] = (uint8_t)(t1 >> 4);
     }
 }
 

crypto_kem/kyber512/clean/indcpa.c

@@ -167,9 +167,9 @@ void PQCLEAN_KYBER512_CLEAN_gen_matrix(polyvec *a, const uint8_t seed[KYBER_SYMB
     for (i = 0; i < KYBER_K; i++) {
         for (j = 0; j < KYBER_K; j++) {
             if (transposed) {
-                xof_absorb(&state, seed, i, j);
+                xof_absorb(&state, seed, (uint8_t)i, (uint8_t)j);
             } else {
-                xof_absorb(&state, seed, j, i);
+                xof_absorb(&state, seed, (uint8_t)j, (uint8_t)i);
             }
 
             xof_squeezeblocks(buf, GEN_MATRIX_NBLOCKS, &state);

crypto_kem/kyber512/clean/poly.c

@@ -75,9 +75,9 @@ void PQCLEAN_KYBER512_CLEAN_poly_tobytes(uint8_t r[KYBER_POLYBYTES], const poly
         t0 += ((int16_t)t0 >> 15) & KYBER_Q;
         t1 = a->coeffs[2 * i + 1];
         t1 += ((int16_t)t1 >> 15) & KYBER_Q;
-        r[3 * i + 0] = (t0 >> 0);
-        r[3 * i + 1] = (t0 >> 8) | (t1 << 4);
-        r[3 * i + 2] = (t1 >> 4);
+        r[3 * i + 0] = (uint8_t)(t0 >> 0);
+        r[3 * i + 1] = (uint8_t)((t0 >> 8) | (t1 << 4));
+        r[3 * i + 2] = (uint8_t)(t1 >> 4);
     }
 }
 

crypto_kem/kyber768-90s/clean/indcpa.c

@@ -167,9 +167,9 @@ void PQCLEAN_KYBER76890S_CLEAN_gen_matrix(polyvec *a, const uint8_t seed[KYBER_S
     for (i = 0; i < KYBER_K; i++) {
         for (j = 0; j < KYBER_K; j++) {
             if (transposed) {
-                xof_absorb(&state, seed, i, j);
+                xof_absorb(&state, seed, (uint8_t)i, (uint8_t)j);
             } else {
-                xof_absorb(&state, seed, j, i);
+                xof_absorb(&state, seed, (uint8_t)j, (uint8_t)i);
             }
 
             xof_squeezeblocks(buf, GEN_MATRIX_NBLOCKS, &state);

crypto_kem/kyber768-90s/clean/poly.c

@@ -75,9 +75,9 @@ void PQCLEAN_KYBER76890S_CLEAN_poly_tobytes(uint8_t r[KYBER_POLYBYTES], const po
         t0 += ((int16_t)t0 >> 15) & KYBER_Q;
         t1 = a->coeffs[2 * i + 1];
         t1 += ((int16_t)t1 >> 15) & KYBER_Q;
-        r[3 * i + 0] = (t0 >> 0);
-        r[3 * i + 1] = (t0 >> 8) | (t1 << 4);
-        r[3 * i + 2] = (t1 >> 4);
+        r[3 * i + 0] = (uint8_t)(t0 >> 0);
+        r[3 * i + 1] = (uint8_t)((t0 >> 8) | (t1 << 4));
+        r[3 * i + 2] = (uint8_t)(t1 >> 4);
     }
 }
 

crypto_kem/kyber768/clean/indcpa.c

@@ -167,9 +167,9 @@ void PQCLEAN_KYBER768_CLEAN_gen_matrix(polyvec *a, const uint8_t seed[KYBER_SYMB
     for (i = 0; i < KYBER_K; i++) {
         for (j = 0; j < KYBER_K; j++) {
             if (transposed) {
-                xof_absorb(&state, seed, i, j);
+                xof_absorb(&state, seed, (uint8_t)i, (uint8_t)j);
             } else {
-                xof_absorb(&state, seed, j, i);
+                xof_absorb(&state, seed, (uint8_t)j, (uint8_t)i);
             }
 
             xof_squeezeblocks(buf, GEN_MATRIX_NBLOCKS, &state);

crypto_kem/kyber768/clean/poly.c

@@ -75,9 +75,9 @@ void PQCLEAN_KYBER768_CLEAN_poly_tobytes(uint8_t r[KYBER_POLYBYTES], const poly
         t0 += ((int16_t)t0 >> 15) & KYBER_Q;
         t1 = a->coeffs[2 * i + 1];
         t1 += ((int16_t)t1 >> 15) & KYBER_Q;
-        r[3 * i + 0] = (t0 >> 0);
-        r[3 * i + 1] = (t0 >> 8) | (t1 << 4);
-        r[3 * i + 2] = (t1 >> 4);
+        r[3 * i + 0] = (uint8_t)(t0 >> 0);
+        r[3 * i + 1] = (uint8_t)((t0 >> 8) | (t1 << 4));
+        r[3 * i + 2] = (uint8_t)(t1 >> 4);
     }
 }