diff --git a/pub_keys/bypark_id_rsa.pub b/pub_keys/bypark_id_rsa.pub
index 473fe9b..b11770d 100644
--- a/pub_keys/bypark_id_rsa.pub
+++ b/pub_keys/bypark_id_rsa.pub
@@ -1 +1 @@
-ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAeCB/reNpmwVEQ72QfrMhENcsWrZ3HWhKb968Hp7ml1 bypark@ex-em.com
+ssh-rsa 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 bypark@DESKTOP-T73PETI
diff --git a/pub_keys/id_rsa_hjyoon.pub b/pub_keys/hjyoon_id_rsa.pub
similarity index 100%
rename from pub_keys/id_rsa_hjyoon.pub
rename to pub_keys/hjyoon_id_rsa.pub
diff --git a/pub_keys/id_rsa_joonsoopark.pub b/pub_keys/id_rsa_joonsoopark.pub
deleted file mode 100644
index dae48d2..0000000
--- a/pub_keys/id_rsa_joonsoopark.pub
+++ /dev/null
@@ -1 +0,0 @@
-ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBjejlKC6rAKEaIM+kWSKL8UFo0oocNYGbhdyJPnty+J joonsoopark@ex-em.com
diff --git a/pub_keys/joonsoopark_id_ed25519.pub b/pub_keys/joonsoopark_id_ed25519.pub
new file mode 100644
index 0000000..0ed9d1f
--- /dev/null
+++ b/pub_keys/joonsoopark_id_ed25519.pub
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIETt3DbkOgMY40sI0+dOxa3A/6o4yxNpoUWuuaSuUR/P joonsoopark@ex-em.com
diff --git a/pub_keys/kp-jay-bastion-datasaker.pub b/pub_keys/kp-jay-bastion-datasaker_id_rsa.pub
similarity index 100%
rename from pub_keys/kp-jay-bastion-datasaker.pub
rename to pub_keys/kp-jay-bastion-datasaker_id_rsa.pub
diff --git a/pub_keys/packer_634e1ea5.pub b/pub_keys/packer_634e1ea5_id_rsa.pub
similarity index 100%
rename from pub_keys/packer_634e1ea5.pub
rename to pub_keys/packer_634e1ea5_id_rsa.pub
diff --git a/pub_keys/id_rsa_seungjinjeong.pub b/pub_keys/seungjinjeong_id_rsa.pub
similarity index 100%
rename from pub_keys/id_rsa_seungjinjeong.pub
rename to pub_keys/seungjinjeong_id_rsa.pub
diff --git a/pub_keys/stdhsw_id_rsa.pub b/pub_keys/stdhsw_id_rsa.pub
index 35ae321..c15847b 100644
--- a/pub_keys/stdhsw_id_rsa.pub
+++ b/pub_keys/stdhsw_id_rsa.pub
@@ -1 +1 @@
-ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPI2VpfhiOQ4ARyg5EG3F4MySqAQgHJeR+J+ELD4k6Fc stdhsw@ex-em.com
+ssh-rsa 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 hsw@DESKTOP-SMEHJL8