tf.fti.itb.ac.id

Issued by R3

About this certificate

This digital certificate with serial number 03:f7:ea:9e:5a:e1:bf:c7:36:dd:de:9f:dd:53:24:bb:34:d5 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=tf.fti.itb.ac.id

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f7:ea:9e:5a:e1:bf:c7:36:dd:de:9f:dd:53:24:bb:34:d5
Serial Number (int): 345698464001972412598924381845900094026965
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 4b:17:3d:97:48:0c:f3:bd:ca:a4:f1:9d:59:19:f1:2b:7c:19:a9:3e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 1b:5b:6d:a7:8a:15:65:1e:2c:6e:51:ec:fc:42:b1:91:6f:4d:54:fb
Fingerprint (sha256): 00:e2:dd:97:52:05:90:20:f6:3c:69:18:27:ab:db:87:24:45:83:7c:69:a8:be:31:46:3b:80:1b:fc:99:33:12

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

Revocation information

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

Check the revocation status for certificate tf.fti.itb.ac.id

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for tf.fti.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

tf.fti.itb.ac.id

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Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIE7jCCA9agAwIBAgISA/fqnlrhv8c23d6f3VMkuzTVMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzA2MTcxNjU5MjRaFw0yMzA5MTUxNjU5MjNaMBsxGTAXBgNVBAMT
EHRmLmZ0aS5pdGIuYWMuaWQwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIB
AQCihfv/LPWCgR5L3koXZCCtL6CsuwSfiAnecsgh3FtgkwmxtX0mDe1wjnyGhhO/
hDy3g5xTWD33bCU2dgRtqVElVVi1TP4FCNEDhBwcbTvzCgTsCd8rjjD0B1+hqORb
0KpAw5jRBnymwZs/YZQiOlKoWCYbtqjQNCDXF0ZcBH4SvR9kwH1W7Xk6h2/goSti
Lj0wx41ZHM4k9g4fObFJYxX6tzz0sj5XhnrTxKnokOejZvvXuH3gZhnRK+OtkNKP
qoR1Hoy9cbILNedypz/30F+7i8JhznrRl9nIV2LARieZTSZr3AO/72ZWK6gWehUs
mC4AnhDGwKhRwNtHt0dnBPM3AgMBAAGjggITMIICDzAOBgNVHQ8BAf8EBAMCBaAw
HQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYD
VR0OBBYEFEsXPZdIDPO9yqTxnVkZ8St8Gak+MB8GA1UdIwQYMBaAFBQusxe3WFbL
rlAJQOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDov
L3IzLm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5v
cmcvMBsGA1UdEQQUMBKCEHRmLmZ0aS5pdGIuYWMuaWQwEwYDVR0gBAwwCjAIBgZn
gQwBAgEwggEFBgorBgEEAdZ5AgQCBIH2BIHzAPEAdgB6MoxU2LcttiDqOOBSHumE
FnAyE4VNO9IrwTpXo1LrUgAAAYjKgwWXAAAEAwBHMEUCIQD3TwoI+nY0bR3F9k//
w7R4iZvEiFOclAQbx2mhJWznbQIgc54IkrubhXq+J7pyew+eMdxmdvPdx+84oyBP
DpBl5dMAdwCt9776fP8QyIudPZwePhhqtGcpXc+xDCTKhYY069yCigAAAYjKgwYa
AAAEAwBIMEYCIQDDNZ6IXCPBehV3leX5/rQFK2zf7QDzz1iUcaRzZnC2VAIhALUN
xdSMnFGzRT2xk+6XuXmC3DN7a7IyQURtgGrtSfNXMA0GCSqGSIb3DQEBCwUAA4IB
AQBt69PD47e927XG1WAc39qwHtdyfUDBnARSDuj0R2vimLqnjDQ7lUqdUzjMHm3b
fgIOvqnwxhrQuwrnIVminbwtn4r8UFE5LvMdaNJG5BEYaba+e8qS0UXXsUocE5TT
uUfh6B+86fuL7HRMQJb4oqx5CKp/9M5HuEGClkmS8RZ8MGcrSsY1BToX+p0v9NwO
6Fa4BnJvu8moZYszHVK49Y7q4/lnCfC7omm9nLyg8bVuDo6xpxdnjdPMfnD3a0qK
DbIak4TDBbIcYlvaeNOKE+3kRyPki2Mc/yBCUal0ib53ZnQ9lDTrGsi4TmA+Mb4S
J9RhQiGUYDPGTvqCY5PvcEWO
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAooX7/yz1goEeS95KF2Qg
rS+grLsEn4gJ3nLIIdxbYJMJsbV9Jg3tcI58hoYTv4Q8t4OcU1g992wlNnYEbalR
JVVYtUz+BQjRA4QcHG078woE7AnfK44w9AdfoajkW9CqQMOY0QZ8psGbP2GUIjpS
qFgmG7ao0DQg1xdGXAR+Er0fZMB9Vu15Oodv4KErYi49MMeNWRzOJPYOHzmxSWMV
+rc89LI+V4Z608Sp6JDno2b717h94GYZ0SvjrZDSj6qEdR6MvXGyCzXncqc/99Bf
u4vCYc560ZfZyFdiwEYnmU0ma9wDv+9mViuoFnoVLJguAJ4QxsCoUcDbR7dHZwTz
NwIDAQAB
-----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 345698464001972412598924381845900094026965
 . . . . . . . . [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 2023-06-17 16:59:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-15 16:59:23 +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 'tf.fti.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 20516675556079552601395470056985846448403681509689392454827543243896322643137224092547483050016062735085443081805665174284915358267095949069462133281510110348454649667455952563652855545428703691987292589425593872567186271911207632422680033976978034244175665902898178912462615805444027752324396566084984063636573361511381938722236426747565946287951170868822790586985002635023525531137325592746615806647040287234421069173797208221356119162858683635760232694287383412374264501578576203803301636804609367444562590837236690453596676327973981344603959049605511795478577320998843763316856987152504909052740506331653953876791
 . . . . . . . . . . . . . . . . . . . . [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)
							4b173d97480cf3bdcaa4f19d5919f12b7c19a93e
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tf.fti.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)
							00f10076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000188ca8305970000040300473045022100f74f0a08fa76346d1dc5f64fffc3b478899bc488539c94041bc769a1256ce76d0220739e0892bb9b857abe27ba727b0f9e31dc6676f3ddc7ef38a3204f0e9065e5d3007700adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a00000188ca83061a0000040300483046022100c3359e885c23c17a157795e5f9feb4052b6cdfed00f3cf589471a4736670b654022100b50dc5d48c9c51b3453db193ee97b97982dc337b6bb23241446d806aed49f357
 . . . . [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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