tportal.thelearninglab.com.sg
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:47:1f:cf:2b:73:87:34:e3:f0:a3:ca:71:2c:2f:64:c1:7a was issued on by Let's Encrypt.
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- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=tportal.thelearninglab.com.sg
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:47:1f:cf:2b:73:87:34:e3:f0:a3:ca:71:2c:2f:64:c1:7aSerial Number (int): 285539187601283116010197360624154479739258
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: ba:7b:20:35:75:80:cf:5a:1c:97:7f:36:13:48:36:67:2c:28:3c:94
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 32:4e:7d:7d:e7:1d:0c:99:85:ae:08:af:eb:b7:06:6d:94:e4:9a:e5
Fingerprint (sha256): 40:ca:15:2f:f1:01:82:3b:13:82:db:1a:00:17:68:cb:a9:82:2b:52:dc:c2:2d:2a:11:90:c0:a2:d7:68:e2:1d
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate tportal.thelearninglab.com.sg
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for tportal.thelearninglab.com.sg
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
tportal.thelearninglab.com.sg
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Certificate
The complete raw certificate details for tportal.thelearninglab.com.sg in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGJTCCBQ2gAwIBAgISA0cfzytzhzTj8KPKcSwvZMF6MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODA0MjAyMzA2MjJaFw0x ODA3MTkyMzA2MjJaMCgxJjAkBgNVBAMTHXRwb3J0YWwudGhlbGVhcm5pbmdsYWIu Y29tLnNnMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsAK+t9uzgMsY wQ8sIMvVV069fTmkLuXzZKDJx5UtOW75QZcJ59g6zVA7rRo1lhqqTaYdbhh2isO3 kcsHyIP+02pzOImfLN06j5C0aiCE+VJJ1aExxgtXL80vs5Ky7Qc8cBOWLcTeGjGX FvJ9gc9BnwZtjVlv4Wes/rcsOXehLldpC6i0kz8TPctv/A+wqlhxJ8NGxn60698A HmNgUoiVRSbnav2SegCPD7D71DVZgRexkYlifSGFCgGKZTe82mv+l4KPfJAsFWfY HrqW79msh7SQAo1nUVnOU8fGd5BwuP3LnKHDWqMHwpBehippe1rF9aFT5cfmQijI zpbEOGApjwIDAQABo4IDJTCCAyEwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBS6eyA1 dYDPWhyXfzYTSDZnLCg8lDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMCgGA1UdEQQhMB+CHXRwb3J0YWwudGhlbGVhcm5p bmdsYWIuY29tLnNnMIH+BgNVHSAEgfYwgfMwCAYGZ4EMAQIBMIHmBgsrBgEEAYLf EwEBATCB1jAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcw gasGCCsGAQUFBwICMIGeDIGbVGhpcyBDZXJ0aWZpY2F0ZSBtYXkgb25seSBiZSBy ZWxpZWQgdXBvbiBieSBSZWx5aW5nIFBhcnRpZXMgYW5kIG9ubHkgaW4gYWNjb3Jk YW5jZSB3aXRoIHRoZSBDZXJ0aWZpY2F0ZSBQb2xpY3kgZm91bmQgYXQgaHR0cHM6 Ly9sZXRzZW5jcnlwdC5vcmcvcmVwb3NpdG9yeS8wggEEBgorBgEEAdZ5AgQCBIH1 BIHyAPAAdwDbdK/uyynssf7KPnFtLOW5qrs294Rxg8ddnU83th+/ZAAAAWLlhe9s AAAEAwBIMEYCIQDWP0/U54Z7toOJmX03eE1GDOKWenQwgEnztfy5lFezbQIhAIyN tVCuAf+R9Tdxi0YR922zRruUEcUDEGkc6vLjCxwTAHUAKTxRllTIOWW6qlD8WAfU t2+/WHopctykwwz05UVH9HgAAAFi5YXvfwAABAMARjBEAiBAIyK+FFeVJurTv72o Nf18ol9ovClmrJFabEPZMo9YRgIgZbMD0R3jcr+C97qZABnwe3LRxmfDPHeDDDRV 7Ddan8MwDQYJKoZIhvcNAQELBQADggEBAAMNbrBCGQFZo4fxRSvSsMzJR5YAZiL5 +KdFKpPpnElolT4EGzweBN7OvkHqiDTC/14SQOVZpMPJrYgL06Ea9+RUeH07m5Ni qrub5bw6Kd1JTV4kPq1lnF/hMP7E7KGtbpIB6wLAX3CFcgHNX0iSXdaT/iFzjNFW /J55O4CT9UDOoFJiGE07WCek2zUKq1whXKLqsTgtZEX/sjlMzYy5bLjGr0sKAIBV hR+EkohTPNkG38FTftieBcr71QuAvAXrvOwpaGDLwoi38SYeQ6CArWsbl3AJftTf v8cdKitia2Vkkmg7+y3nPubD5e+fI5nNwpeu/QweraBPlcpFejOhCh4= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsAK+t9uzgMsYwQ8sIMvV V069fTmkLuXzZKDJx5UtOW75QZcJ59g6zVA7rRo1lhqqTaYdbhh2isO3kcsHyIP+ 02pzOImfLN06j5C0aiCE+VJJ1aExxgtXL80vs5Ky7Qc8cBOWLcTeGjGXFvJ9gc9B nwZtjVlv4Wes/rcsOXehLldpC6i0kz8TPctv/A+wqlhxJ8NGxn60698AHmNgUoiV RSbnav2SegCPD7D71DVZgRexkYlifSGFCgGKZTe82mv+l4KPfJAsFWfYHrqW79ms h7SQAo1nUVnOU8fGd5BwuP3LnKHDWqMHwpBehippe1rF9aFT5cfmQijIzpbEOGAp jwIDAQAB -----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 285539187601283116010197360624154479739258 . . . . . . . . [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 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-04-20 23:06:22 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-07-19 23:06:22 +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 'tportal.thelearninglab.com.sg' . . . . . . . . [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 22219295280501346557132825528687779784789324689538623007258882559961101900849558646936982073201829932582466118013722169855244358184270538127277785998288459666945702243647951276797111774643824482425525538003285905917495734937964416187540859464771389257571087185795185691341963885350016287163264917068884492236830586462852177821525061443231126015362465414006480212603588584229172060755999960214413033275260429809549600259950104273152720109023177349139831739677453669383635096239764650623710090481594574222681320166625914653806454012759050953639770918565574588212202939104511476908829507939439122464144179332044011088271 . . . . . . . . . . . . . . . . . . . . [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) ba7b20357580cf5a1c977f36134836672c283c94 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [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 (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 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (33 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tportal.thelearninglab.com.sg' . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://cps.letsencrypt.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . . . . . . . . . . . . . [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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007700db74afeecb29ecb1feca3e716d2ce5b9aabb36f7847183c75d9d4f37b61fbf6400000162e585ef6c0000040300483046022100d63f4fd4e7867bb68389997d37784d460ce2967a74308049f3b5fcb99457b36d0221008c8db550ae01ff91f537718b4611f76db346bb9411c50310691ceaf2e30b1c13007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000162e585ef7f00000403004630440220402322be14579526ead3bfbda835fd7ca25f68bc2966ac915a6c43d9328f5846022065b303d11de372bf82f7ba990019f07b72d1c667c33c77830c3455ec375a9fc3 . . . . [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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