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Abstract out verify logic for fe_get_b32

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This commit is contained in:
Pieter Wuille
2022-01-28 18:23:54 -05:00
parent f7a7666aeb
commit 144670893e
4 changed files with 14 additions and 11 deletions
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6
src/field_5x52_impl.h
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@@ -283,11 +283,7 @@ static int secp256k1_fe_impl_set_b32(secp256k1_fe *r, const unsigned char *a) {
}
/** Convert a field element to a 32-byte big endian value. Requires the input to be normalized */
static void secp256k1_fe_get_b32(unsigned char *r, const secp256k1_fe *a) {
#ifdef VERIFY
VERIFY_CHECK(a->normalized);
secp256k1_fe_verify(a);
#endif
static void secp256k1_fe_impl_get_b32(unsigned char *r, const secp256k1_fe *a) {
r[0] = (a->n[4] >> 40) & 0xFF;
r[1] = (a->n[4] >> 32) & 0xFF;
r[2] = (a->n[4] >> 24) & 0xFF;