Certificate Summary:

Subject: KAKAO-ROOT-CA
Issuer: KAKAO-ROOT-CA
Expiration: 2041-05-27 14:59:59 UTC
Key Identifier: 30:59:30:13:06:07:2A:86:48:CE:3D:02:01:06:08:2A:86:48:CE:3D:03:01:07:03:42:00:04:27:3E:1D:DF:42:A1:44:77:4C:BB:DA:A8:80:7F:88:35:97:FF:0F:D6:5F:FA:0C:CD:65:36:ED:88:5B:10:B6:A6:B9:30:45:30:F6:D5:C5:36:CF:08:38:4D:CA:AC:82:D8:7C:5C:05:A7:7A:7D:1D:11:C0:17:6B:4D:AE:8F:92:30

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Received at FYIcenter.com on: 2025-07-17

Certificate Detailed Information:

Name:
/C=KR/O=KAKAO/OU=Kakao Certification Authority Central/CN=KAKAO-ROOT-CA

Subject: 
   Common Name (CN): KAKAO-ROOT-CA
   Organizational Unit Name (OU): Kakao Certification Authority Central
   Organization Name (O): KAKAO
   Locality Name (L): 
   State or Province Name (ST): 
   Country Name (C): KR
   Email Address: 
Issuer: 
   Common Name (CN): KAKAO-ROOT-CA
   Organizational Unit Name (OU): Kakao Certification Authority Central
   Organization Name (O): KAKAO
   Locality Name (L): 
   State or Province Name (ST): 
   Country Name (C): KR
   Email Address: 
Valid From: Thu, 27 May 2021 15:00:00 +0000 
Valid To: Mon, 27 May 2041 14:59:59 +0000 
Serial Number: 1747037436276 
Hash: 1a449376 
Version: 2 
Signature Type: ecdsa-with-SHA256 
Purposes:  
   SSL client 
   SSL server 
   Netscape SSL server 
   S/MIME signing 
   S/MIME encryption 
   CRL signing 
   Any Purpose 
   OCSP helper 
   Time Stamp signing 
Extensions:  
   subjectKeyIdentifier:
      30:59:30:13:06:07:2A:86:48:CE:3D:02:01:06:08:2A:86:48:CE:3D:03:01:07:03:42:00:04:27:3E:1D:DF:42:A1:44:77:4C:BB:DA:A8:80:7F:88:35:97:FF:0F:D6:5F:FA:0C:CD:65:36:ED:88:5B:10:B6:A6:B9:30:45:30:F6:D5:C5:36:CF:08:38:4D:CA:AC:82:D8:7C:5C:05:A7:7A:7D:1D:11:C0:17:6B:4D:AE:8F:92:30 
   basicConstraints:
      CA:TRUE 
   keyUsage:
      Digital Signature, Non Repudiation, Certificate Sign, CRL Sign 
   certificatePolicies:
      Policy: Policy Qualifier CPS
  CPS: https://www.kakao.com/policy/oppolicy/digitalsignature
 

Certificate in PEM Format:

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Related Certificate(s):

ID      Subject          Issuer           Expiration Key Identifier   Relation   
        KAKAO-ROOT-CA    KAKAO-ROOT-CA    2041-05-27 3059301306072A8… This Cert
        --------------------------------------------------
30813   KAKAO-ROOT-CA    KAKAO-ROOT-CA    2041-07-25 3059301306072A8… Parent Cert
30561   KAKAO-CA         KAKAO-ROOT-CA    2035-05-22 D4D53185EBA4D9F… Child Cert
30567   KAKAO-CA-V2      KAKAO-ROOT-CA    2035-07-16 399E1DE9DA5C5E1… Child Cert
30632   KAKAO-CA         KAKAO-ROOT-CA    2031-07-25 3059301306072A8… Child Cert
30634   KAKAO-CA         KAKAO-ROOT-CA    2035-06-10 C643170D95FBA98… Child Cert
30936   KAKAO-CA-V2      KAKAO-ROOT-CA    2035-07-21 C643170D95FBA98… Child Cert

Public Key Detailed Information:

Key Details:
   Type: EC
   Size (bits): 256
   Curve Name: 
prime256v1
   Curve OID: 
1.2.840.10045.3.1.7
   Public key (x): 
273e1ddf42a144774cbbdaa8807f883597ff0fd65ffa0ccd6536ed885b10b6a6
   Public key (y): 
b9304530f6d5c536cf08384dcaac82d87c5c05a77a7d1d11c0176b4dae8f9230

Public Key in PEM Format:

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEJz4d30KhRHdMu9qogH+INZf/D9Zf
+gzNZTbtiFsQtqa5MEUw9tXFNs8IOE3KrILYfFwFp3p9HRHAF2tNro+SMA==
-----END PUBLIC KEY-----

Identical or Similar Keys: We found that the public key in this certificate matches key(s) recorded previously.

ID      Type Size Pri/Pub Key Identifier   Date       Comparison 
30566   EC   256  Public  3059301306072A8… 2025-07-17 Same Key ID