Certificate:
Data:
Version: 3 (0x2)
Serial Number:
53:b2:3e:14:78:a1:7e:86:15:0c:c4:d2:66:56:76:05
Signature Algorithm: sha256WithRSAEncryption
Issuer: C=US, O=Entrust, Inc., OU=See www.entrust.net/legal-terms, OU=(c) 2014 Entrust, Inc. - for authorized use only, CN=Entrust Certification Authority - L1M
Validity
Not Before: Sep 25 02:05:41 2020 GMT
Not After : Oct 24 02:05:40 2021 GMT
Subject: C=SG, L=Singapore/jurisdictionC=SG, O=Inland Revenue Authority of Singapore/businessCategory=Government Entity, OU=INFOD/serialNumber=T08GB0020K, CN=iras.gov.sg
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
RSA Public-Key: (2048 bit)
Modulus:
00:cd:9c:b3:e8:15:9b:5f:31:75:32:78:12:f5:f9:
e7:00:11:1c:24:bf:4b:13:ce:82:e8:5d:b7:7e:f1:
6e:08:66:ff:16:46:82:51:21:d4:4e:65:47:ed:14:
31:1a:45:8a:b4:9d:e1:31:89:4a:20:91:66:b4:e0:
a9:34:9d:39:c1:97:31:24:b0:fc:95:7b:06:cd:80:
79:f7:3e:79:11:f7:5d:b9:a8:c4:54:78:fb:e8:1d:
fd:4b:d6:07:59:bb:be:d8:b4:ed:f8:6f:75:58:00:
94:f3:b1:d8:d0:84:9e:5b:96:9c:a3:4f:cf:c9:a9:
70:57:ca:ba:d5:9d:70:db:f6:d8:f6:c9:71:3c:f5:
41:30:31:a1:41:a2:61:dc:b8:06:f7:1e:21:33:89:
b3:48:66:08:ab:c7:ed:a1:12:b1:a4:c3:c6:56:d4:
70:6c:0e:bc:e4:82:74:0e:30:d2:a1:f4:c6:96:dc:
c9:65:39:bf:eb:5c:1d:05:91:8b:c2:bf:f6:d8:32:
36:2f:ef:0a:1f:d9:e0:0b:15:fd:f1:14:cf:27:97:
90:ca:93:08:50:b6:76:c4:ee:ba:cd:a5:d8:0f:66:
c7:11:9a:ad:60:0e:61:cf:01:ee:a3:c3:4b:ee:0f:
0a:89:0d:e5:19:1f:d8:ba:cf:c1:ec:c6:e4:bc:5f:
d7:e7
Exponent: 65537 (0x10001)
X509v3 extensions:
X509v3 Basic Constraints: critical
CA:FALSE
X509v3 Subject Key Identifier:
D3:1B:2A:FD:40:7F:8A:D3:DE:21:5D:67:C0:C7:AF:69:C8:5E:52:C8
X509v3 Authority Key Identifier:
keyid:C3:F7:D0:B5:2A:30:AD:AF:0D:91:21:70:39:54:DD:BC:89:70:C7:3A

Authority Information Access:
OCSP - URI:http://ocsp.entrust.net
CA Issuers - URI:http://aia.entrust.net/l1m-chain256.cer

X509v3 CRL Distribution Points:

Full Name:
URI:http://crl.entrust.net/level1m.crl

X509v3 Subject Alternative Name:
DNS:iras.gov.sg, DNS:www.iras.gov.sg, DNS:saml.stgort.iras.gov.sg, DNS:saml.stgort-isds.iras.gov.sg, DNS:saml.prod.iras.gov.sg, DNS:saml.prod-isds.iras.gov.sg, DNS:mytax.iras.gov.sg, DNS:estamping.iras.gov.sg, DNS:eort.iras.gov.sg, DNS:apiservices.iras.gov.sg, DNS:apisandbox.iras.gov.sg
X509v3 Key Usage: critical
Digital Signature, Key Encipherment
X509v3 Extended Key Usage:
TLS Web Server Authentication, TLS Web Client Authentication
X509v3 Certificate Policies:
Policy: 2.16.840.1.114028.10.1.2
CPS: https://www.entrust.net/rpa
Policy: 2.23.140.1.1

CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 55:81:D4:C2:16:90:36:01:4A:EA:0B:9B:57:3C:53:F0:
C0:E4:38:78:70:25:08:17:2F:A3:AA:1D:07:13:D3:0C
Timestamp : Sep 25 02:05:42.277 2020 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:16:EE:B7:09:44:1A:04:94:8D:13:F1:40:
18:11:51:5C:6B:A5:EE:C6:D9:D9:F4:90:E5:35:2C:8C:
32:52:ED:0A:02:21:00:97:12:7D:70:AF:5E:E1:70:E8:
B0:E9:C6:AD:D1:1D:B7:E0:F3:DC:B6:81:19:25:C0:ED:
71:25:87:8D:D5:0C:7F
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 56:14:06:9A:2F:D7:C2:EC:D3:F5:E1:BD:44:B2:3E:C7:
46:76:B9:BC:99:11:5C:C0:EF:94:98:55:D6:89:D0:DD
Timestamp : Sep 25 02:05:42.316 2020 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:94:F1:2D:7E:C6:59:4E:A0:24:D9:59:
86:76:72:82:5C:4C:40:CC:C3:0F:C6:C3:3D:EB:AA:0A:
68:EE:2D:4B:86:02:20:0C:11:26:FC:BA:64:AA:8D:80:
AD:BC:87:99:70:98:93:93:BA:F7:D4:C4:F8:AE:8C:53:
BB:45:54:88:23:D2:35
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : F6:5C:94:2F:D1:77:30:22:14:54:18:08:30:94:56:8E:
E3:4D:13:19:33:BF:DF:0C:2F:20:0B:CC:4E:F1:64:E3
Timestamp : Sep 25 02:05:42.323 2020 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:C9:27:21:62:CC:4B:F6:07:C6:41:4F:
F1:85:2B:86:41:4F:32:9C:FA:55:24:8B:AC:32:C9:CF:
9F:EB:AA:C3:E7:02:20:30:79:86:7A:BF:91:61:F4:C3:
D3:AB:F1:A4:DC:00:BB:E4:9E:89:8F:B1:CC:F7:E0:3D:
78:F8:3A:0B:00:AC:37
Signature Algorithm: sha256WithRSAEncryption
81:17:72:a0:7b:c3:9a:cb:20:ac:fc:b1:a1:cf:04:cf:91:fe:
96:0c:8f:28:00:4c:d6:04:0b:c3:7b:a5:ab:dc:4e:6f:9f:dd:
b9:a2:ca:22:45:57:e0:45:4f:70:5c:a1:2a:ef:fe:49:d2:b8:
42:f4:74:2a:bf:f1:6f:20:78:ac:4f:1c:4b:a3:0f:bc:fe:c8:
c0:0d:66:97:cb:bb:46:61:be:1c:de:52:79:bd:98:94:a2:28:
c5:bd:21:0f:6c:0d:8a:24:cc:bf:af:bd:38:51:93:18:e2:3f:
51:bd:74:51:8d:04:b4:c4:e5:60:2b:08:39:1f:6e:be:cb:ed:
d8:18:3f:99:b3:ab:5b:b5:d6:1e:67:7e:c0:e1:dd:7d:fd:f5:
77:d9:a7:6b:fc:3a:06:48:4c:64:20:a0:fb:7b:93:70:c1:a9:
64:b9:5d:85:a9:97:e4:3a:26:f0:c6:9c:18:48:90:d4:93:50:
19:db:f5:e8:0b:35:82:e3:60:4a:0d:e6:40:db:be:69:9b:bb:
a0:f5:a8:03:70:ce:cb:c1:bc:12:37:ad:b2:2d:ff:40:65:42:
00:54:7f:ba:e5:ef:91:55:75:ed:d9:81:cd:1f:a2:45:6d:2b:
a2:07:d4:a1:0d:0c:3a:2c:87:ba:6e:93:fd:9b:e9:86:e0:cf:
26:4b:a1:f7