lle.ssu.ac.kr

- Soongsil University -

Issued by CA134100031

About this certificate

This digital certificate with serial number 75:2e:a2:af:e5:2f:40:bd:52:f6:a3:c9:a3:f3:01:6a:85:72:6d:c4 was issued on by Government of Korea.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • CAs MUST NOT issue certificates that have authority key IDs that include both the key ID and the issuer's issuer name and serial number (Mozilla Root Store Policy / Section 5.2)
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
  • Compliant certificates should use the utf8string encoding for explicitText (RFC 6818: 3)
  • Subscriber certificates authorityInformationAccess extension should contain the HTTP URL of the issuing CA’s certificate (BRs: 7.1.2.3)

Soongsil University

Organization: Soongsil University
Organization unit: Lifelong Education Institute
State / Province: Seoul
Locality: Dongjak-gu
Country: KR

Government of Korea

Organization: Government of Korea
Organization unit: GPKI
Country: KR

This certificate has expire since

Certificate Details

Serial Number (hex): 75:2e:a2:af:e5:2f:40:bd:52:f6:a3:c9:a3:f3:01:6a:85:72:6d:c4
Serial Number (int): 668991926509895351385086496623882496027403644356
Serial Number lenght: 159 bits, 20 octets

SubjectKeyId: aa:c1:d6:49:f9:f7:ac:b5:ef:1e:f2:b3:0e:54:d5:ec:99:92:df:16
AuthorityKeyId: 8e:46:f8:0d:9e:78:76:a2:cc:1a:e4:0f:51:7f:52:d7:4d:9c:5b:1b

Fingerprint (sha1): 93:53:55:5f:43:55:83:69:12:13:0e:63:41:a2:16:7f:e6:bc:4b:58
Fingerprint (sha256): 7b:1c:ae:a4:54:6c:bb:69:a7:7e:58:7a:91:3d:8d:e7:70:c6:85:35:cc:3a:a5:8a:f1:3d:c5:37:8e:11:31:8f


Revocation information

OCSP Server: http://ocsp.epki.go.kr:8081
CRL Distribution Point: http://www.epki.go.kr/crl1p1dp16681.crl

Check the revocation status for certificate lle.ssu.ac.kr

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for lle.ssu.ac.kr

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

ipsi.ssu.ac.kr
lle.ssu.ac.kr

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Certificate

The complete raw certificate details for lle.ssu.ac.kr in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAk8GU0D5cHjo92quKUaTY
VNSMoLknk2lA8BF5UfQH0t0GFTXug+uPV7gRPjttHY5BTWZGOivLfWvgXlktdj5+
XgYy209hJcnczNNEyXiaawtupI37We3+tYQP9VRgoOmythSHMgbFA383JFpb/jjq
dPQQ7cZA6mv9R4DYLkmgXBGnj1uG7RTWUKZZv6iUYZWFbUUK9zmFx4HZ0kpjA/Bi
gx4T4L9YnfIKjRz0HwRjd9HBCYSh8+h1DjFVgtKXjuohy+0gomDuS9bE0fsd2BpZ
K+q0BGH+6DBf1hrqj7BUzrsEYdABV8PoTdwr1+i7KMS9tAl5qzRQM5cnu2VEWOO8
+QIDAQAB
-----END PUBLIC KEY-----

ASN.1 decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 668991926509895351385086496623882496027403644356
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'KR'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'Government of Korea'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'GPKI'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'CA134100031'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-08-03 08:09:33 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-11-03 08:09:32 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'KR'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.8 (stateOrProvinceName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'Seoul'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'Dongjak-gu'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'Soongsil University'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'Lifelong Education Institute'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'lle.ssu.ac.kr'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 18652489328082532537485432723367383683149208465802133238451688882192821735149974423764925314217828486268187363475250726825926202609758218189579132477206614017176663776346017145404084003596182449868835757676977800953190865468117181313941101214654992516411667006921232044098821357594288182793888092542320270638523720561483543142153979935914746902199975839458328225580574947184942859718642706382717960955842735731981266409766212757750977967278375150847466545791044446343482184890662494942946397590175484510726752556657473493302486748186660414982487799664365121667743827413321829679960665319427596383457734495022778399993
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (43 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.epki.go.kr:8081'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (114 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 8e46f80d9e7876a2cc1ae40f517f52d74d9c5b1b
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:1|true] IA5String 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:4|true] Name 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'KR'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'Government of Korea'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'GPKI'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'GPKIRootCA1'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '''
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							aac1d649f9f7acb5ef1ef2b30e54d5ec9992df16
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.410.100001.5.3.1.9
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://www.epki.go.kr/cps.html'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:26|false] VisibleString, ISO646String [69 100 117 99 97 116 105 111 110 32 67 101 114 116 105 102 105 99 97 116 101]
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.18 (issuerAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.410.200004.10.1.1 (npkiIdentifyData)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String '교육과학기술부'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (33 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ipsi.ssu.ac.kr'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'lle.ssu.ac.kr'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (49 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://www.epki.go.kr/crl1p1dp16681.crl'
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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