tpb19.kuliah.itb.ac.id

Issued by R3

About this certificate

This digital certificate with serial number 04:74:84:f9:07:b0:97:fe:75:38:66:f0:93:94:6e:5c:55:35 was issued on by Let's Encrypt.

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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=tpb19.kuliah.itb.ac.id

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:74:84:f9:07:b0:97:fe:75:38:66:f0:93:94:6e:5c:55:35
Serial Number (int): 388098649423199296100820594457769274004789
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: e3:6a:3a:92:49:ea:69:f8:bf:88:ad:70:36:05:7c:c4:b9:1c:cb:67
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 54:13:b5:1b:12:ea:91:b2:22:77:dc:7a:ee:1b:e2:3b:3b:0f:f9:52
Fingerprint (sha256): 03:af:85:55:e1:96:60:15:b7:72:08:20:ba:1b:b8:4e:df:d2:a2:e3:f9:2c:1d:5d:b5:93:ea:e0:44:07:ab:87

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate tpb19.kuliah.itb.ac.id

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for tpb19.kuliah.itb.ac.id

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

tpb19.kuliah.itb.ac.id

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Certificate

The complete raw certificate details for tpb19.kuliah.itb.ac.id in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyYE4HHsaOJi2HN0T0qdP
yhKIwAR6ik+PYJG9Rv8SyZStKWA82nz5nlT/C22CiRpoapHZYpSWLUFiJM2BsIrO
gpDR5ng6O5nGCghSer+oJQ4H2RNasNDWhDCPN/c2hK8i7i/GtRrxc41VAZ4j+gdQ
+XgQvgzLNjnaaIOHkiI2n+OldCD6lsmx+7s1pQ4NpKPTHAXnWO4hJSB5yi1CU26c
35jeYvJZ3il51uRCrNBQKYN1fMqeiUvGDF3iNTElLSYiAEah7wO+ApohoPfGtN1d
4fQx9JazxHpf24gakEJz4wxVMHVVN8AIEfHTH4li/mQSAgkjoJA1DY6EN+YjyQL6
BQIDAQAB
-----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 388098649423199296100820594457769274004789
 . . . . . . . . [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 'US'
 . . . . . . . . . . . . [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:19|false] PrintableString 'Let's Encrypt'
 . . . . . . . . . . . . [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:19|false] PrintableString 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-07-08 21:33:25 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-06 21:33:24 +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 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'tpb19.kuliah.itb.ac.id'
 . . . . . . . . [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 25437619652986088336489271673924675912478871518034889771525608960624098915866135951097806604545552382696005099735622154627720809640761749847786298924398820162929174158834206149769955679462896599434807704193175100884113517135381611941243468145751409341194076973568844080831317564418944733732204551428757393157652199777355513476196620086885282284961584961591924963539085604973563800337912073804466868734810992766152950110937603942738806752117773795324209911951722307526697158980954485996661041364183635220472034400086479948518891879992519347005098050578043124139781641350691673314693355277114015913559673419507175717381
 . . . . . . . . . . . . . . . . . . . . [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 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 2.5.29.37 (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 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [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)
							e36a3a9249ea69f8bf88ad7036057cc4b91ccb67
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.i.lencr.org/'
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tpb19.kuliah.itb.ac.id'
 . . . . . . . . . . . . . . . . [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 (12 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018937a373770000040300483046022100b345d82f666399914a0542f3a63437d8a8a7a8222e46ab8a5da35ecbcf3459b5022100eeed289e95d2334a60817a8899b07950099692f83495f2070d4cb3cf1252b0f8007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018937a37347000004030047304502207066df9523c7929fdc6a636e443e02bc96893ac3be0d4299db9e3dd0e32f5671022100c2c42e0ce7ab1e517b4f15f60b997a0ea339bdeb1cbdab23f370a70b4580559d
 . . . . [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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