added an interface and default hashser

passwordHasher.go

@@ -0,0 +1,21 @@
+package passwordHash
+
+import "github.com/richardbowden/passwordHash"
+
+// PasswordHasher is an interface that describes two basic functions that can be
+// used to perform a password encode and validate
+type PasswordHasher interface {
+	Encode(pw1 string, pw2 string) (string, error)
+	Validate(pw string, hashPackage string) (bool, error)
+}
+
+// DefaultPasswordHasher impliments the PasswordHasher interface which uses passwordHash
+type DefaultPasswordHasher struct{}
+
+func (DefaultPasswordHasher) Encode(pw1 string, pw2 string) (string, error) {
+	return passwordHash.HashWithDefaults(pw1, pw2)
+}
+
+func (DefaultPasswordHasher) Validate(pw string, hashedPackage string) (bool, error) {
+	return passwordHash.Validate(pw, hashedPackage)
+}