chore: go mod vendor / tidy

vendor/github.com/pjbgf/sha1cd/ubc/ubc_amd64.go

@@ -0,0 +1,14 @@
+//go:build !noasm && gc && amd64
+// +build !noasm,gc,amd64
+
+package ubc
+
+func CalculateDvMaskAMD64(W [80]uint32) uint32
+
+// Check takes as input an expanded message block and verifies the unavoidable bitconditions
+// for all listed DVs. It returns a dvmask where each bit belonging to a DV is set if all
+// unavoidable bitconditions for that DV have been met.
+// Thus, one needs to do the recompression check for each DV that has its bit set.
+func CalculateDvMask(W [80]uint32) uint32 {
+	return CalculateDvMaskAMD64(W)
+}