www.cstrom.com

Issued by GTS CA 1D2

About this certificate

This digital certificate with serial number e2:0b:50:96:e7:98:b7:e7:0a:00:00:00:00:0a:a6:64 was issued on by Google Trust Services.

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=www.cstrom.com

Google Trust Services

Organization: Google Trust Services
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): e2:0b:50:96:e7:98:b7:e7:0a:00:00:00:00:0a:a6:64
Serial Number (int): 300464276861503202101755742517014996580
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: 74:3b:5b:37:1e:5a:e5:f6:dc:72:3b:a7:ad:c8:28:db:01:17:79:f5
AuthorityKeyId: b1:dd:32:5d:e8:b7:37:72:d2:ce:5c:ce:26:fe:47:79:e2:01:08:e9

Fingerprint (sha1): 7c:60:79:ca:d8:46:31:f8:84:73:1a:23:04:e3:dc:98:45:1f:3c:28
Fingerprint (sha256): f2:df:ff:06:cb:ad:10:ba:20:4b:fa:ad:52:f6:58:b9:89:c4:3e:61:19:22:83:90:e7:8e:6a:dc:09:df:c1:63

Issuing Certificate URL: http://pki.goog/gsr2/GTS1D2.crt

Revocation information

OCSP Server: http://ocsp.pki.goog/gts1d2
CRL Distribution Point: http://crl.pki.goog/GTS1D2.crl

Check the revocation status for certificate www.cstrom.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.cstrom.com

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication

Extensions

10 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.cstrom.com

Other certificates including the domain name cstrom.com

(limited to 100 certificates)
cstrom.com
www.cstrom.com
cstrom.com
www.cstrom.com
cstrom.com
cstrom.com
www.cstrom.com
www.cstrom.com
cstrom.com
www.cstrom.com
cstrom.com
www.cstrom.com
www.cstrom.com
cstrom.com
www.cstrom.com
www.cstrom.com
cstrom.com
cstrom.com
cstrom.com
cstrom.com
cstrom.com
www.cstrom.com
www.cstrom.com
www.cstrom.com
cstrom.com
cstrom.com
www.cstrom.com
www.cstrom.com
www.cstrom.com
www.cstrom.com
cstrom.com

Certificate

The complete raw certificate details for www.cstrom.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAo06U6ATNCmSX1Sf1ff6u
iIM/b1JiUs7n1hrDffyGzpE7L3dlO8Tfd0g8EhLs9nz34QzmfWzeAdrvKEYEGJy1
ETHqJ/4NjvrOcpO+ZMU37ImEbRpSkOcfHfV9D/f3Sc5QK4wK454irSiZoeztb1L/
WueWnB9OU/EunsDhi39RBck4SC8FHu9nzk9IZp7fxQ9YlVBm/iFWSg9VffHHXVHU
ZE4BKjWv6Of5b3Fc6lLME648JXcvR4TOEq3ZYf5+4g5n+MXD7iIcCxZls0Jih7iU
UoZTY5Y/Z/2ZQKA8mFYw8C0nvf142HWvTmZa42nQoG929SM4B4Dqg410rgz/EuK+
swIDAQAB
-----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 300464276861503202101755742517014996580
 . . . . . . . . [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 'Google Trust Services'
 . . . . . . . . . . . . [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 'GTS CA 1D2'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-06 01:15:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-05 01:15:34 +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 'www.cstrom.com'
 . . . . . . . . [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 20615593772874063161180718877927096927854253284559332851818371660645499515181782598033339031021646487387224294354923381409847439125993802705153844685594095621460889044063683324947165884485523182617983070881754901903098281694801980800659169047383921845712025634587917827269292303874524204613721665839821432276540969001400760212635355078669728365572838977627832764494576058043831645147271912070686063955711610589963930331077092399788064536830901420372652839778767046226016563861286662276159464495648062597639930133632997692555679545938369312085932458618022701246921189417557444140331576147430205128788813265621643083443
 . . . . . . . . . . . . . . . . . . . . [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 (12 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: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)
							743b5b371e5ae5f6dc723ba7adc828db011779f5
 . . . . . . . . . . . . . . . . [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 b1dd325de8b73772d2ce5cce26fe4779e20108e9
 . . . . . . . . . . . . . . . . [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 (88 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.pki.goog/gts1d2'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://pki.goog/gsr2/GTS1D2.crt'
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cstrom.com'
 . . . . . . . . . . . . . . . . [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 (26 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 1.3.6.1.4.1.11129.2.5.3
 . . . . . . . . . . . . . . . . [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 (40 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://crl.pki.goog/GTS1D2.crl'
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f78a2d2db0000040300483046022100e3b3dd8983cfa13fe644452ea3e49a338bed29f3b8fc4079e0af1a1e3ea49b06022100959b307ee46b4851dd5d9d4bfc5f971b07d05034388154999c6ca7bfacbb56710077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f78a2d30400000403004830460221008782e6598a7c500aa672460d9a09d515c97c7da54c5f991639cbb267569530e7022100d890dfe4a37c5319298d4f21f09f2e5a7b80369bb032cca78931b1958a07abe9
 . . . . [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)
		005c85be075f2767983532b176342c96fa18445298eb3eba9fd534743f93cdac861c55399cb5cef38c4d9f77ea8fe6bc117e65ab1d9ad1469eec9dd10284d19d626754ee993d64a83bb29fd974fd6e1d121620a00ac790519e519fb7d1b1739140dea14b6792bc87afecae5e69c0fc80d6c377ed66236dbd2a532b9c93c4dbff8a4d7cfd2efbb2ad2d60c6da5777389eb607350856afe662fce31440922f507d351990c980147da1c8ca4001a92628802bd339f9ff7e3e01c92fea87137c5dee48e9687b348281a5463ccdfddb3e41eabc5351ca280029a1cadea21ca0c657bd7c7a617c650be7c004d4debad71cb73020057063ee499d34a37dfcad1d0f22d93c