diff --git a/src/certificate/create-leaf-bsm-lab-postgres.md b/src/certificate/create-leaf-bsm-lab-postgres.md
index 38dd57b..429f5c1 100644
--- a/src/certificate/create-leaf-bsm-lab-postgres.md
+++ b/src/certificate/create-leaf-bsm-lab-postgres.md
@@ -30,13 +30,20 @@ req_extensions     = req_ext
 C  = KR
 O  = KDN
 OU = DFX
-CN = settings.json의 myHostId 값 기재 (mTLS에 따른 클라이언트 검증의 확인 문자로 사용함)
+CN = agent-bsm-lab-postgres
+#CN에 해당하는 값은 settings.json의 myHostId 값 기재 (mTLS에 따른 클라이언트 검증의 확인 문자로 사용함)
 
 [ req_ext ]
 subjectAltName = @alt_names
 
 [ alt_names ]
-IP.1  =  로컬PC 아이피 기재
+DNS.1 = agent-bsm-lab-postgres
+IP.1  = 192.168.0.41
+IP.2  = 172.22.1.4
+IP.3  = 127.0.0.1
+IP.4  = ::1
+#도메인이 있는 경우에는 해당 도메인을 DNS.x에 기입
+#도메인이 없는 경우에는 사용할 IP를 hosts 파일에 기술하고 해당 hostname을 DNS.x에 기입
 ```
 
 ### 2-2) CSR 생성
@@ -63,7 +70,13 @@ authorityKeyIdentifier = keyid,issuer
 subjectAltName = @alt_names
 
 [ alt_names ]
-IP.1  = 로컬PC 아이피 기재
+DNS.1 = agent-bsm-lab-postgres
+IP.1  = 192.168.0.41
+IP.2  = 172.22.1.4
+IP.3  = 127.0.0.1
+IP.4  = ::1
+#도메인이 있는 경우에는 해당 도메인을 DNS.x에 기입
+#도메인이 없는 경우에는 사용할 IP를 hosts 파일에 기술하고 해당 hostname을 DNS.x에 기입
 ```
 
 ### 3-2) Intermediate로 서명
@@ -71,9 +84,14 @@ IP.1  = 로컬PC 아이피 기재
 ```bash
 openssl x509 -req -in dfxagent-bsm-lab-postgres.csr -CA ..\intermediate\intermediate-kdn.crt -CAkey ..\intermediate\intermediate-kdn.key -CAcreateserial -out dfxagent-bsm-lab-postgres.crt -days 825 -sha256 -extfile dfxagent-bsm-lab-postgres-leaf-ext.cnf -extensions v3_server
 ```
+
 Certificate request self-signature ok
+
 subject=C=KR, O=KDN, OU=DFX, CN=agent-bsm-lab-postgres
+
 Enter pass phrase for ..\intermediate\intermediate-kdn.key: 백세민1!
+
+
 > `-days`는 운영 정책에 맞춰 조정(예: 365, 730 등).
 
 ---
@@ -98,12 +116,3 @@ openssl pkcs12 -export -inkey dfxagent-bsm-lab-postgres.key -in dfxagent-bsm-lab
 Enter Export Password: 백세민1!
 
 ---
-
-## 6) (클라이언트 검증용) truststore 만들기 - JKS truststore (Java에서 흔함)
-
-```bash
-keytool -importcert -alias agent-bsm-lab-postgres -file ..\intermediate\ca-chain-kdn.crt -keystore truststore-bsm-lab-postgres.jks -storepass qortpals1! -noprompt
-```
-
----
-
diff --git a/src/certificate/create-leaf-tuf-a15-defree-oracle.md b/src/certificate/create-leaf-tuf-a15-defree-oracle.md
new file mode 100644
index 0000000..0844f3c
--- /dev/null
+++ b/src/certificate/create-leaf-tuf-a15-defree-oracle.md
@@ -0,0 +1,106 @@
+# 개발용 leaf 인증서 생성
+
+## 0) 사전 설치
+scoop install openssl
+
+## 1) leaf 개인키 생성 (dfxagent-tuf-a15-defree-oracle.json 대상)
+
+```bash
+cd pki
+mkdir leaf-dfxagent-tuf-a15-defree-oracle
+cd leaf-dfxagent-tuf-a15-defree-oracle
+openssl genrsa -out dfxagent-tuf-a15-defree-oracle.key 2048
+```
+
+---
+
+## 2) CSR 생성 + SAN(도메인/IP) 넣기
+
+### 2-1) CSR용 설정 파일 만들기: `dfxagent-tuf-a15-defree-oracle-req.cnf`
+
+```ini
+[ req ]
+default_bits       = 2048
+prompt             = no
+default_md         = sha256
+distinguished_name = dn
+req_extensions     = req_ext
+
+[ dn ]
+C  = KR
+O  = KDN
+OU = DFX
+CN = settings.json의 myHostId 값 기재 (mTLS에 따른 클라이언트 검증의 확인 문자로 사용함)
+
+[ req_ext ]
+subjectAltName = @alt_names
+
+[ alt_names ]
+IP.1  =  로컬PC 아이피 기재
+```
+
+### 2-2) CSR 생성
+
+```bash
+openssl req -new -key dfxagent-tuf-a15-defree-oracle.key -out dfxagent-tuf-a15-defree-oracle.csr -config dfxagent-tuf-a15-defree-oracle-req.cnf
+```
+
+---
+
+## 3) Intermediate로 leaf 인증서 서명(발급)
+
+### 3-1) leaf 확장 파일 만들기: `dfxagent-tuf-a15-defree-oracle-leaf-ext.cnf`
+
+#### ✅ 서버용(HTTPS), mTLS 클라이언트 겸용
+
+```ini
+[ v3_server ]
+basicConstraints = critical, CA:false
+keyUsage = critical, digitalSignature, keyEncipherment
+extendedKeyUsage = serverAuth, clientAuth
+subjectKeyIdentifier = hash
+authorityKeyIdentifier = keyid,issuer
+subjectAltName = @alt_names
+
+[ alt_names ]
+IP.1  = 로컬PC 아이피 기재
+```
+
+### 3-2) Intermediate로 서명
+
+```bash
+openssl x509 -req -in dfxagent-tuf-a15-defree-oracle.csr -CA ..\intermediate\intermediate-kdn.crt -CAkey ..\intermediate\intermediate-kdn.key -CAcreateserial -out dfxagent-tuf-a15-defree-oracle.crt -days 825 -sha256 -extfile dfxagent-tuf-a15-defree-oracle-leaf-ext.cnf -extensions v3_server
+```
+
+Certificate request self-signature ok
+
+subject=C=KR, O=KDN, OU=DFX, CN=agent-tuf-a15-defree-oracle
+
+Enter pass phrase for ..\intermediate\intermediate-kdn.key: 백세민1!
+
+
+> `-days`는 운영 정책에 맞춰 조정(예: 365, 730 등).
+
+---
+
+## 4) 체인 검증(중요)
+
+```bash
+openssl verify -CAfile ..\intermediate\ca-chain-kdn.crt dfxagent-tuf-a15-defree-oracle.crt
+```
+
+`OK`가 나오는지 확인
+
+---
+
+## 5) (Java/톰캣용) PKCS12 keystore(p12) 만들기
+
+DFXAgent가 Spring Boot(내장 톰캣)이므로 `p12`를 keystore로 사용
+
+```bash
+openssl pkcs12 -export -inkey dfxagent-tuf-a15-defree-oracle.key -in dfxagent-tuf-a15-defree-oracle.crt -certfile ..\intermediate\ca-chain-kdn.crt -out dfxagent-tuf-a15-defree-oracle.p12 -name agent-tuf-a15-defree-oracle
+```
+Enter Export Password: 백세민1!
+
+---
+
diff --git a/src/certificate/create-rootca.md b/src/certificate/create-rootca.md
index 5a4932f..2aaf2ea 100644
--- a/src/certificate/create-rootca.md
+++ b/src/certificate/create-rootca.md
@@ -22,10 +22,35 @@ openssl genrsa -aes256 -out rootca-kdn.key 4096
 ```
 (Enter PEM pass phrase: 백세민1!)
 
-### 1-2) Root 인증서(자기서명) 생성
+### 1-2) Root 인증서(자기서명) 확장 생성
+`v3_ca` 확장(Constraints/KeyUsage) 작성 `root-ext-kdn.cnf`
+
+**(root-ext-kdn.cnf)**
+
+```ini
+[ req ]
+distinguished_name = dn
+x509_extensions = v3_ca
+prompt = no
+
+[ dn ]
+C = KR
+O = BSM-LAB
+CN = BSM-LAB KDN Root CA
+
+[ v3_ca ]
+basicConstraints = critical, CA:true
+keyUsage = critical, keyCertSign, cRLSign
+subjectKeyIdentifier = hash
+authorityKeyIdentifier = keyid:always,issuer
+```
+
+---
+
+### 1-3) Root 인증서(자기서명) 서명
 
 ```bash
-openssl req -x509 -new -nodes -key rootca-kdn.key -sha256 -days 3650 -subj "/C=KR/O=BSM-LAB/CN=BSM-LAB KDN Root CA" -out rootca-kdn.crt
+openssl req -x509 -new -nodes -key rootca-kdn.key -days 3650 -sha256 -out rootca-kdn.crt -config root-ext-kdn.cnf
 ```
 (Enter pass phrase for rootca-kdn.key: 백세민1!)
 
@@ -54,7 +79,7 @@ openssl req -new -key intermediate-kdn.key -subj "/C=KR/O=BSM-LAB/CN=BSM-LAB KDN
 ### 2-3) Root로 Intermediate 인증서 서명
 `v3_intermediate_ca` 확장(Constraints/KeyUsage) 작성 `root-ext-kdn.cnf`
 
-**(root-ext.cnf)**
+**(intermediate-ext-kdn.cnf)**
 
 ```ini
 [ v3_intermediate_ca ]
@@ -69,7 +94,7 @@ authorityKeyIdentifier = keyid:always,issuer
 ```bash
 # root 폴더로 돌아가 Root 키/인증서로 서명
 cd ../root
-openssl x509 -req -in ../intermediate/intermediate-kdn.csr -CA rootca-kdn.crt -CAkey rootca-kdn.key -CAcreateserial -out ../intermediate/intermediate-kdn.crt -days 1825 -sha256 -extfile root-ext-kdn.cnf -extensions v3_intermediate_ca
+openssl x509 -req -in ../intermediate/intermediate-kdn.csr -CA rootca-kdn.crt -CAkey rootca-kdn.key -CAcreateserial -out ../intermediate/intermediate-kdn.crt -days 1825 -sha256 -extfile ../intermediate/intermediate-ext-kdn.cnf -extensions v3_intermediate_ca
 ```
 이후 intermediate-kdn.srl 파일이 생성됨
 이는 -CAcreateserial 옵션에 따른 결과로 다음 발급할 인증서에 쓸 serial 값이 저장되어 있음. serial이 중복되지 않도록 하는 역할임
@@ -85,7 +110,16 @@ type ..\intermediate\intermediate-kdn.crt rootca-kdn.crt > ..\intermediate\ca-ch
 
 ---
 
-## 3) 다음 단계(참고): leaf(에이전트/웹서버) 발급은 Intermediate로
+## 3) (클라이언트 검증용) truststore 만들기 - JKS truststore
+
+```bash
+cd ../intermediate
+keytool -importcert -alias dfxagent-kdn -file ca-chain-kdn.crt -keystore truststore-dfxagent-kdn.jks -storepass qortpals1! -noprompt
+```
+
+---
+
+## 4) 다음 단계(참고): leaf(에이전트/웹서버) 발급은 Intermediate로
 
 이후 leaf 인증서 발급 순서
 
diff --git a/src/certificate/pki/intermediate/ca-chain-kdn.crt b/src/certificate/pki/intermediate/ca-chain-kdn.crt
index d5619f3..bd37a0a 100644
--- a/src/certificate/pki/intermediate/ca-chain-kdn.crt
+++ b/src/certificate/pki/intermediate/ca-chain-kdn.crt
@@ -1,63 +1,63 @@
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 -----END CERTIFICATE-----
diff --git a/src/certificate/pki/intermediate/intermediate-ext-kdn.cnf b/src/certificate/pki/intermediate/intermediate-ext-kdn.cnf
new file mode 100644
index 0000000..2b1fd10
--- /dev/null
+++ b/src/certificate/pki/intermediate/intermediate-ext-kdn.cnf
@@ -0,0 +1,5 @@
+[ v3_intermediate_ca ]
+basicConstraints = critical, CA:true, pathlen:0
+keyUsage = critical, keyCertSign, cRLSign
+subjectKeyIdentifier = hash
+authorityKeyIdentifier = keyid:always,issuer
diff --git a/src/certificate/pki/intermediate/intermediate-kdn.crt b/src/certificate/pki/intermediate/intermediate-kdn.crt
index 2e3805a..bb5fd64 100644
--- a/src/certificate/pki/intermediate/intermediate-kdn.crt
+++ b/src/certificate/pki/intermediate/intermediate-kdn.crt
@@ -1,32 +1,32 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/src/certificate/pki/intermediate/intermediate-kdn.csr b/src/certificate/pki/intermediate/intermediate-kdn.csr
index 517ba71..888ac46 100644
--- a/src/certificate/pki/intermediate/intermediate-kdn.csr
+++ b/src/certificate/pki/intermediate/intermediate-kdn.csr
@@ -1,27 +1,27 @@
 -----BEGIN CERTIFICATE REQUEST-----
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 -----END CERTIFICATE REQUEST-----
diff --git a/src/certificate/pki/intermediate/intermediate-kdn.key b/src/certificate/pki/intermediate/intermediate-kdn.key
index 81d9039..48c8cac 100644
--- a/src/certificate/pki/intermediate/intermediate-kdn.key
+++ b/src/certificate/pki/intermediate/intermediate-kdn.key
@@ -1,54 +1,54 @@
 -----BEGIN ENCRYPTED PRIVATE KEY-----
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 -----END ENCRYPTED PRIVATE KEY-----
diff --git a/src/certificate/pki/intermediate/intermediate-kdn.srl b/src/certificate/pki/intermediate/intermediate-kdn.srl
deleted file mode 100644
index 9657dc5..0000000
--- a/src/certificate/pki/intermediate/intermediate-kdn.srl
+++ /dev/null
@@ -1 +0,0 @@
-77169B7FC8B412B10E189B971C35B057DE5EE5C6
diff --git a/src/certificate/pki/leaf-dfxagent-bsm-lab-oracle/dfxagent-bsm-lab-oracle-leaf-ext.cnf b/src/certificate/pki/leaf-dfxagent-bsm-lab-oracle/dfxagent-bsm-lab-oracle-leaf-ext.cnf
deleted file mode 100644
index 1f6ac23..0000000
--- a/src/certificate/pki/leaf-dfxagent-bsm-lab-oracle/dfxagent-bsm-lab-oracle-leaf-ext.cnf
+++ /dev/null
@@ -1,11 +0,0 @@
-[ v3_server ]
-basicConstraints = critical, CA:false
-keyUsage = critical, digitalSignature, keyEncipherment
-extendedKeyUsage = serverAuth, clientAuth
-subjectKeyIdentifier = hash
-authorityKeyIdentifier = keyid,issuer
-subjectAltName = @alt_names
-
-[ alt_names ]
-IP.1  = 192.168.0.41
-IP.2  = 172.22.1.4
diff --git a/src/certificate/pki/leaf-dfxagent-bsm-lab-oracle/dfxagent-bsm-lab-oracle-req.cnf b/src/certificate/pki/leaf-dfxagent-bsm-lab-oracle/dfxagent-bsm-lab-oracle-req.cnf
deleted file mode 100644
index efbe7e8..0000000
--- a/src/certificate/pki/leaf-dfxagent-bsm-lab-oracle/dfxagent-bsm-lab-oracle-req.cnf
+++ /dev/null
@@ -1,22 +0,0 @@
-[ req ]
-default_bits       = 2048
-prompt             = no
-default_md         = sha256
-distinguished_name = dn
-req_extensions     = req_ext
-
-[ dn ]
-C  = KR
-O  = KDN
-OU = DFX
-CN = agent-tuf-a15-defree-oracle
-
-[ req_ext ]
-subjectAltName = @alt_names
-
-[ alt_names ]
-DNS.1 = localhost
-IP.1  = 192.168.0.41
-IP.2  = 172.22.1.4
-IP.3  = 127.0.0.1
-IP.4  = ::1
\ No newline at end of file
diff --git a/src/certificate/pki/leaf-dfxagent-bsm-lab-oracle/dfxagent-bsm-lab-oracle.crt b/src/certificate/pki/leaf-dfxagent-bsm-lab-oracle/dfxagent-bsm-lab-oracle.crt
deleted file mode 100644
index fe9e143..0000000
--- a/src/certificate/pki/leaf-dfxagent-bsm-lab-oracle/dfxagent-bsm-lab-oracle.crt
+++ /dev/null
@@ -1,28 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIEujCCAqKgAwIBAgIUdxabf8i0ErEOGJuXHDWwV95e5cYwDQYJKoZIhvcNAQEL
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-6X5ZUBmnZGy6vl2NR7I=
------END CERTIFICATE-----
diff --git a/src/certificate/pki/leaf-dfxagent-bsm-lab-oracle/dfxagent-bsm-lab-oracle.csr b/src/certificate/pki/leaf-dfxagent-bsm-lab-oracle/dfxagent-bsm-lab-oracle.csr
deleted file mode 100644
index 514456e..0000000
--- a/src/certificate/pki/leaf-dfxagent-bsm-lab-oracle/dfxagent-bsm-lab-oracle.csr
+++ /dev/null
@@ -1,17 +0,0 @@
------BEGIN CERTIFICATE REQUEST-----
-MIICvDCCAaQCAQAwTzELMAkGA1UEBhMCS1IxDDAKBgNVBAoMA0tETjEMMAoGA1UE
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-iYFDK5bsqmD03eAtywVO3W1mt9MrbLaGDTktSnDF1EE=
------END CERTIFICATE REQUEST-----
diff --git a/src/certificate/pki/leaf-dfxagent-bsm-lab-oracle/dfxagent-bsm-lab-oracle.key b/src/certificate/pki/leaf-dfxagent-bsm-lab-oracle/dfxagent-bsm-lab-oracle.key
deleted file mode 100644
index ae8afbd..0000000
--- a/src/certificate/pki/leaf-dfxagent-bsm-lab-oracle/dfxagent-bsm-lab-oracle.key
+++ /dev/null
@@ -1,28 +0,0 @@
------BEGIN PRIVATE KEY-----
-MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQC3Dzi7XpLQuP/5
-uT1uZG5auCVZ8KCzxg6b5bRABO34g+yMAHU04oUq7WOrGBb18c9D8XdhxCNoexFR
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-BXcOjW/mUDEfe0sT5CPv3GL6LoMjok1ssqmazanqtIsO8LYcrSmULuVi/cemCv+q
-NCacj3Ojh/xjnd1FcJHoaAIO9YKbmN6rgYIUEWomJzMBma/KC1YLbGJzAoGBALfm
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-2McqPqx7GSqLM0X+qpScmQ4I
------END PRIVATE KEY-----
diff --git a/src/certificate/pki/leaf-dfxagent-bsm-lab-oracle/dfxagent-bsm-lab-oracle.p12 b/src/certificate/pki/leaf-dfxagent-bsm-lab-oracle/dfxagent-bsm-lab-oracle.p12
deleted file mode 100644
index 1648dbc..0000000
Binary files a/src/certificate/pki/leaf-dfxagent-bsm-lab-oracle/dfxagent-bsm-lab-oracle.p12 and /dev/null differ
diff --git a/src/certificate/pki/leaf-dfxagent-bsm-lab-oracle/truststore-bsm-lab-oracle.jks b/src/certificate/pki/leaf-dfxagent-bsm-lab-oracle/truststore-bsm-lab-oracle.jks
deleted file mode 100644
index 03c745b..0000000
Binary files a/src/certificate/pki/leaf-dfxagent-bsm-lab-oracle/truststore-bsm-lab-oracle.jks and /dev/null differ
diff --git a/src/certificate/pki/leaf-dfxagent-bsm-lab-postgres/dfxagent-bsm-lab-postgres-leaf-ext.cnf b/src/certificate/pki/leaf-dfxagent-bsm-lab-postgres/dfxagent-bsm-lab-postgres-leaf-ext.cnf
index 1f6ac23..4dc85fb 100644
--- a/src/certificate/pki/leaf-dfxagent-bsm-lab-postgres/dfxagent-bsm-lab-postgres-leaf-ext.cnf
+++ b/src/certificate/pki/leaf-dfxagent-bsm-lab-postgres/dfxagent-bsm-lab-postgres-leaf-ext.cnf
@@ -7,5 +7,10 @@ authorityKeyIdentifier = keyid,issuer
 subjectAltName = @alt_names
 
 [ alt_names ]
+DNS.1 = agent-bsm-lab-postgres
 IP.1  = 192.168.0.41
 IP.2  = 172.22.1.4
+IP.3  = 127.0.0.1
+IP.4  = ::1
+#도메인이 있는 경우에는 해당 도메인을 DNS.x에 기입
+#도메인이 없는 경우에는 사용할 IP를 hosts 파일에 기술하고 해당 hostname을 DNS.x에 기입
\ No newline at end of file
diff --git a/src/certificate/pki/leaf-dfxagent-bsm-lab-postgres/dfxagent-bsm-lab-postgres-req.cnf b/src/certificate/pki/leaf-dfxagent-bsm-lab-postgres/dfxagent-bsm-lab-postgres-req.cnf
index ad094c7..ff81413 100644
--- a/src/certificate/pki/leaf-dfxagent-bsm-lab-postgres/dfxagent-bsm-lab-postgres-req.cnf
+++ b/src/certificate/pki/leaf-dfxagent-bsm-lab-postgres/dfxagent-bsm-lab-postgres-req.cnf
@@ -10,13 +10,16 @@ C  = KR
 O  = KDN
 OU = DFX
 CN = agent-bsm-lab-postgres
+#CN에 해당하는 값은 settings.json의 myHostId 값 기재 (mTLS에 따른 클라이언트 검증의 확인 문자로 사용함)
 
 [ req_ext ]
 subjectAltName = @alt_names
 
 [ alt_names ]
-DNS.1 = localhost
+DNS.1 = agent-bsm-lab-postgres
 IP.1  = 192.168.0.41
 IP.2  = 172.22.1.4
 IP.3  = 127.0.0.1
-IP.4  = ::1
\ No newline at end of file
+IP.4  = ::1
+#도메인이 있는 경우에는 해당 도메인을 DNS.x에 기입
+#도메인이 없는 경우에는 사용할 IP를 hosts 파일에 기술하고 해당 hostname을 DNS.x에 기입
\ No newline at end of file
diff --git a/src/certificate/pki/leaf-dfxagent-bsm-lab-postgres/dfxagent-bsm-lab-postgres.crt b/src/certificate/pki/leaf-dfxagent-bsm-lab-postgres/dfxagent-bsm-lab-postgres.crt
index 64ac048..b7a304d 100644
--- a/src/certificate/pki/leaf-dfxagent-bsm-lab-postgres/dfxagent-bsm-lab-postgres.crt
+++ b/src/certificate/pki/leaf-dfxagent-bsm-lab-postgres/dfxagent-bsm-lab-postgres.crt
@@ -1,28 +1,28 @@
 -----BEGIN CERTIFICATE-----
-MIIEtTCCAp2gAwIBAgIUdxabf8i0ErEOGJuXHDWwV95e5cUwDQYJKoZIhvcNAQEL
+MIIE2DCCAsCgAwIBAgIUdxabf8i0ErEOGJuXHDWwV95e5ccwDQYJKoZIhvcNAQEL
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-ZU5e/WRdi2/B
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+9w0BAQsFAAOCAgEAZcDn8HEfMhIF/QXExrjSqma1Yp0lIPPtLnhl27OvSvrG8dQx
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+L4gGXVWzTkQe4cwGYEP0ztb5ymng7zqcRlidOIiNXFcR2Zx6FC2cu4+bahY=
 -----END CERTIFICATE-----
diff --git a/src/certificate/pki/leaf-dfxagent-bsm-lab-postgres/dfxagent-bsm-lab-postgres.csr b/src/certificate/pki/leaf-dfxagent-bsm-lab-postgres/dfxagent-bsm-lab-postgres.csr
index 2893a17..966f2ed 100644
--- a/src/certificate/pki/leaf-dfxagent-bsm-lab-postgres/dfxagent-bsm-lab-postgres.csr
+++ b/src/certificate/pki/leaf-dfxagent-bsm-lab-postgres/dfxagent-bsm-lab-postgres.csr
@@ -1,17 +1,18 @@
 -----BEGIN CERTIFICATE REQUEST-----
-MIICtzCCAZ8CAQAwSjELMAkGA1UEBhMCS1IxDDAKBgNVBAoMA0tETjEMMAoGA1UE
+MIIC2jCCAcICAQAwSjELMAkGA1UEBhMCS1IxDDAKBgNVBAoMA0tETjEMMAoGA1UE
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+fvAUv+dsGX0LFshJyK4=
 -----END CERTIFICATE REQUEST-----
diff --git a/src/certificate/pki/leaf-dfxagent-bsm-lab-postgres/dfxagent-bsm-lab-postgres.p12 b/src/certificate/pki/leaf-dfxagent-bsm-lab-postgres/dfxagent-bsm-lab-postgres.p12
index 18c7ab1..56310e5 100644
Binary files a/src/certificate/pki/leaf-dfxagent-bsm-lab-postgres/dfxagent-bsm-lab-postgres.p12 and b/src/certificate/pki/leaf-dfxagent-bsm-lab-postgres/dfxagent-bsm-lab-postgres.p12 differ
diff --git a/src/certificate/pki/leaf-dfxagent-bsm-lab-postgres/truststore-bsm-lab-postgres.jks b/src/certificate/pki/leaf-dfxagent-bsm-lab-postgres/truststore-bsm-lab-postgres.jks
deleted file mode 100644
index 7db4168..0000000
Binary files a/src/certificate/pki/leaf-dfxagent-bsm-lab-postgres/truststore-bsm-lab-postgres.jks and /dev/null differ
diff --git a/src/certificate/pki/root/root-ext-kdn.cnf b/src/certificate/pki/root/root-ext-kdn.cnf
index 2b1fd10..17e1a78 100644
--- a/src/certificate/pki/root/root-ext-kdn.cnf
+++ b/src/certificate/pki/root/root-ext-kdn.cnf
@@ -1,5 +1,15 @@
-[ v3_intermediate_ca ]
-basicConstraints = critical, CA:true, pathlen:0
+[ req ]
+distinguished_name = dn
+x509_extensions = v3_ca
+prompt = no
+
+[ dn ]
+C = KR
+O = BSM-LAB
+CN = BSM-LAB KDN Root CA
+
+[ v3_ca ]
+basicConstraints = critical, CA:true
 keyUsage = critical, keyCertSign, cRLSign
 subjectKeyIdentifier = hash
 authorityKeyIdentifier = keyid:always,issuer
diff --git a/src/certificate/pki/root/rootca-kdn.crt b/src/certificate/pki/root/rootca-kdn.crt
index af21bbe..dc155bb 100644
--- a/src/certificate/pki/root/rootca-kdn.crt
+++ b/src/certificate/pki/root/rootca-kdn.crt
@@ -1,31 +1,31 @@
 -----BEGIN CERTIFICATE-----
-MIIFWzCCA0OgAwIBAgIUZOfb5C2XHA7tj/KfgMr8Inkdo9AwDQYJKoZIhvcNAQEL
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 -----END CERTIFICATE-----
diff --git a/src/certificate/pki/root/rootca-kdn.key b/src/certificate/pki/root/rootca-kdn.key
index fea5497..e22b6b3 100644
--- a/src/certificate/pki/root/rootca-kdn.key
+++ b/src/certificate/pki/root/rootca-kdn.key
@@ -1,54 +1,54 @@
 -----BEGIN ENCRYPTED PRIVATE KEY-----
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 -----END ENCRYPTED PRIVATE KEY-----
diff --git a/src/certificate/pki/root/rootca-kdn.srl b/src/certificate/pki/root/rootca-kdn.srl
deleted file mode 100644
index 9bfe5ac..0000000
--- a/src/certificate/pki/root/rootca-kdn.srl
+++ /dev/null
@@ -1 +0,0 @@
-114B9886D93F82DBD6487C8BA513CFEB34C7C78E