update documents.

README.md

@@ -4,9 +4,8 @@ Overview
 
 PTA(Period of Time Authentication) module is a module for NGINX. Using
 PTA you can control access to your contents. PTA calcurates a
-encrypted query string that includes an expiration time and a path of
-the content.
-
+encrypted query string or cookie parameter that includes an expiration
+time and a path of the content.
 
 How to build
 ============
@@ -116,9 +115,11 @@ pta_auth_method
 How it works
 ============
 
-PTA module decrypts a query string starting from `pta=...' and check
-CRC32, expiration time and requested URI path embedded in it. So you
-need to generate PTA token and add it to a link as query string.
+PTA module decrypts a query string or cookie parameter starting from
+`pta=...' and check CRC32, expiration time and requested URI path
+embedded in it. So you need to generate PTA token and add it to a link
+as query string or cookie parameter. There are some codes under the
+smaples directory to generate PTA.
 
 format
 ------

tests/README.md

@@ -7,7 +7,7 @@ The html/ that contains sample files is supposed to be placed on /var/tmp.
 
 memo
 ```
-% perl pta.pl --key 0102030405060708090a0b0c0d0e0f00 --iv 00000000000000000000000000000000 --cipher 3174ffad10cc165d58d154bdbd8a65de
+% perl ptapp.pl --key 0102030405060708090a0b0c0d0e0f00 --iv 00000000000000000000000000000000 --cipher 3174ffad10cc165d58d154bdbd8a65de
       CRC: 0xa321cc2c (2736901164)
      Date: Wed Jan  1 00:00:00 2025
       URL: /*