Function per_commit_secret

common/derive_basepoints.c:107–121

}

bool per_commit_secret(const struct sha256 *shaseed,
		       struct secret *commit_secret,
		       u64 per_commit_index)
{
	struct sha256 s;

	if (per_commit_index >= (1ULL << SHACHAIN_BITS))
		return false;

	shachain_from_seed(shaseed, shachain_index(per_commit_index), &s);

	BUILD_ASSERT(sizeof(s) == sizeof(*commit_secret));
	memcpy(commit_secret, &s, sizeof(s));
	return true;
}

bool per_commit_point(const struct sha256 *shaseed,
		      struct pubkey *commit_point,