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Merge commit '3660fe5e' into temp-merge-1479

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mllwchrry
2026-02-13 13:08:00 +02:00
parent 21c24fdc7a 3660fe5e2a
commit 248358f2bc
28 changed files with 4452 additions and 34 deletions
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19
src/group_impl.h
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@@ -965,7 +965,7 @@ static int secp256k1_ge_x_frac_on_curve_var(const secp256k1_fe *xn, const secp25
return secp256k1_fe_is_square_var(&r);
}
static void secp256k1_ge_to_bytes(unsigned char *buf, secp256k1_ge *a) {
static void secp256k1_ge_to_bytes(unsigned char *buf, const secp256k1_ge *a) {
secp256k1_ge_storage s;
/* We require that the secp256k1_ge_storage type is exactly 64 bytes.
@@ -985,4 +985,21 @@ static void secp256k1_ge_from_bytes(secp256k1_ge *r, const unsigned char *buf) {
secp256k1_ge_from_storage(r, &s);
}
static void secp256k1_ge_to_bytes_ext(unsigned char *data, const secp256k1_ge *ge) {
if (secp256k1_ge_is_infinity(ge)) {
memset(data, 0, 64);
} else {
secp256k1_ge_to_bytes(data, ge);
}
}
static void secp256k1_ge_from_bytes_ext(secp256k1_ge *ge, const unsigned char *data) {
static const unsigned char zeros[64] = { 0 };
if (secp256k1_memcmp_var(data, zeros, sizeof(zeros)) == 0) {
secp256k1_ge_set_infinity(ge);
} else {
secp256k1_ge_from_bytes(ge, data);
}
}
#endif /* SECP256K1_GROUP_IMPL_H */