frost/secp256k1-zkp
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refactor: Make 64-bit shift explicit

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This change fixes MSVC level-3 warning C4334.
See: https://learn.microsoft.com/en-us/cpp/error-messages/compiler-warnings/compiler-warning-level-3-c4334

Required to enable level 3 warnings (/W3).
This commit is contained in:
Hennadii Stepanov 2023-04-30 16:53:51 +01:00
parent b2e29e43d0
commit d1e48e5474
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GPG Key ID: 410108112E7EA81F
2 changed files with 2 additions and 2 deletions
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2
src/ecmult_impl.h
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@ -683,7 +683,7 @@ static int secp256k1_ecmult_pippenger_batch(const secp256k1_callback* error_call
}
state_space->ps = (struct secp256k1_pippenger_point_state *) secp256k1_scratch_alloc(error_callback, scratch, entries * sizeof(*state_space->ps));
state_space->wnaf_na = (int *) secp256k1_scratch_alloc(error_callback, scratch, entries*(WNAF_SIZE(bucket_window+1)) * sizeof(int));
buckets = (secp256k1_gej *) secp256k1_scratch_alloc(error_callback, scratch, (1<<bucket_window) * sizeof(*buckets));
buckets = (secp256k1_gej *) secp256k1_scratch_alloc(error_callback, scratch, ((size_t)1 << bucket_window) * sizeof(*buckets));
if (state_space->ps == NULL || state_space->wnaf_na == NULL || buckets == NULL) {
secp256k1_scratch_apply_checkpoint(error_callback, scratch, scratch_checkpoint);
return 0;

2
src/tests.c
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@ -2221,7 +2221,7 @@ static void scalar_test(void) {
for (i = 0; i < 100; ++i) {
int low;
int shift = 1 + secp256k1_testrand_int(15);
int expected = r.d[0] % (1 << shift);
int expected = r.d[0] % (1ULL << shift);
low = secp256k1_scalar_shr_int(&r, shift);
CHECK(expected == low);
}