diff --git a/_config.yml b/_config.yml
index caace38..af0bb90 100644
--- a/_config.yml
+++ b/_config.yml
@@ -37,6 +37,9 @@ timezone: Asia/Seoul
# 작성일이 미래라도 빌드할 것인지 여부
future : true
+rss_pss_public_key: <%= ENV['RSS_PSS_PUBLIC_KEY'] %>
+
+
# -------------------------------------------------------
# Collection setting
# -------------------------------------------------------
diff --git a/_pages/certification.html b/_pages/certification.html
new file mode 100644
index 0000000..d3afce8
--- /dev/null
+++ b/_pages/certification.html
@@ -0,0 +1,48 @@
+---
+layout: default
+title: Certification
+permalink: /certification
+---
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\ No newline at end of file