Added vendor/ dir to remove dependencies on gopkg.in (down Aug 12 2022)

vendor/gopkg.in/hlandau/passlib.v1/abstract/compare.go

@@ -0,0 +1,11 @@
+package abstract
+
+import "crypto/subtle"
+
+// Compares two strings (typicaly password hashes) in a secure, constant-time
+// fashion. Returns true iff they are equal.
+func SecureCompare(a, b string) bool {
+	ab := []byte(a)
+	bb := []byte(b)
+	return subtle.ConstantTimeCompare(ab, bb) == 1
+}