frost/secp256k1-zkp
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Merge remote-tracking branch 'upstream/master' into temp-merge-835

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This commit is contained in:
Jonas Nick
2020-11-05 20:21:38 +00:00
parent 81052ca411 9e5939d284
commit b0917f3de1
47 changed files with 1738 additions and 1067 deletions
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11
src/scalar_low_impl.h
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@@ -49,14 +49,17 @@ static void secp256k1_scalar_cadd_bit(secp256k1_scalar *r, unsigned int bit, int
}
static void secp256k1_scalar_set_b32(secp256k1_scalar *r, const unsigned char *b32, int *overflow) {
const int base = 0x100 % EXHAUSTIVE_TEST_ORDER;
int i;
int over = 0;
*r = 0;
for (i = 0; i < 32; i++) {
*r = ((*r * base) + b32[i]) % EXHAUSTIVE_TEST_ORDER;
*r = (*r * 0x100) + b32[i];
if (*r >= EXHAUSTIVE_TEST_ORDER) {
over = 1;
*r %= EXHAUSTIVE_TEST_ORDER;
}
}
/* just deny overflow, it basically always happens */
if (overflow) *overflow = 0;
if (overflow) *overflow = over;
}
static void secp256k1_scalar_get_b32(unsigned char *bin, const secp256k1_scalar* a) {