3 files changed, 18 insertions, 0 deletions
diff --git a/Exceptions/BeforeValidException.php b/Exceptions/BeforeValidException.php
new file mode 100644
index 0000000..5a84975
--- /dev/null
+++ b/Exceptions/BeforeValidException.php
@@ -0,0 +1,6 @@
+<?php
+
+class BeforeValidException extends UnexpectedValueException
+{
+
+}
diff --git a/Exceptions/ExpiredException.php b/Exceptions/ExpiredException.php
new file mode 100644
index 0000000..bd80468
--- /dev/null
+++ b/Exceptions/ExpiredException.php
@@ -0,0 +1,6 @@
+<?php
+
+class ExpiredException extends UnexpectedValueException
+{
+
+}
diff --git a/Exceptions/SignatureInvalidException.php b/Exceptions/SignatureInvalidException.php
new file mode 100644
index 0000000..d122232
--- /dev/null
+++ b/Exceptions/SignatureInvalidException.php
@@ -0,0 +1,6 @@
+<?php
+
+class SignatureInvalidException extends UnexpectedValueException
+{
+
+}