mem.engineering

Issued by GTS CA 1D4

About this certificate

This digital certificate with serial number b1:4d:fa:49:bc:41:a4:77:12:0d:06:02:64:9e:fa:9a was issued on by Google Trust Services LLC.

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=mem.engineering

Google Trust Services LLC

Organization: Google Trust Services LLC
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): b1:4d:fa:49:bc:41:a4:77:12:0d:06:02:64:9e:fa:9a
Serial Number (int): 235678238556356606379527590713095027354
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: 0c:44:00:55:e4:c3:e0:56:df:74:30:50:8c:13:4b:7b:5e:b2:22:c8
AuthorityKeyId: 25:e2:18:0e:b2:57:91:94:2a:e5:d4:5d:86:90:83:de:53:b3:b8:92

Fingerprint (sha1): bf:e9:88:6b:d1:fb:3e:fc:01:1b:65:62:4b:13:8f:08:11:ab:f5:38
Fingerprint (sha256): 52:2f:6f:bc:97:ee:a6:0d:d2:a4:51:b7:3b:ba:b6:4b:d6:8e:87:27:57:fc:f4:81:40:ad:70:25:6a:8d:75:01

Issuing Certificate URL: http://pki.goog/repo/certs/gts1d4.der

Revocation information

OCSP Server: http://ocsp.pki.goog/s/gts1d4/OVT4OfhkN3k
CRL Distribution Point: http://crls.pki.goog/gts1d4/Ljiga1eCboE.crl

Check the revocation status for certificate mem.engineering

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mem.engineering

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

mem.engineering

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Certificate

The complete raw certificate details for mem.engineering in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuLsGG+mGdFkMOmElBEHa
znhzoWxQ3+AMKcumczfp+kIoKSyiUKwvC3UDdcBYPmz3JkVL3yRsewpRi5t/QOmM
xZJ/fHbddtixagqykxh8l4CdvaVSt0ayHnYC0drkT1jpW3eb8euJ6HOGWz301Y89
H+8OotRpBLGaPZpLsY4Kr6/WS5Mk7k0ooV+cDv/Nqpc2bnQ0kGx+qhUTT7/aoAtI
Ve/CiPmeUdx5XV21icF6maqZwLKWnn7vRrHcIkf4dZA+xEU9GxX/NfrFP2ofFeIp
3wT/O8SNuwxeuDdMO8m2VSIYPtiQ0YmGbLxTaEodgvLNCKeDnVDmfcE12PHeXEWL
oQIDAQAB
-----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 235678238556356606379527590713095027354
 . . . . . . . . [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 LLC'
 . . . . . . . . . . . . [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 1D4'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-02-24 05:15:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-05-25 05:52:57 +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 'mem.engineering'
 . . . . . . . . [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 23320073018069783505429163842455002132052521889437592228793783687531831013863432760028402178063896026234291929954682123582069960785663978290510264047898296045054792438512315539874130484739386584453379141118923948056378466459657601611625451045241802207372662797928207452894981708532624536155242458053557564374699860932739762055631915546881194250240669151785597888433145758763454638967985302475729119040597653630377674152241292463768412044269236882424998134710577548674086671490311416317893795551009234437506213157096156868478159088702494191541984753806450380286078288342580858127684845916859186717004980896771969747873
 . . . . . . . . . . . . . . . . . . . . [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)
							0c440055e4c3e056df7430508c134b7b5eb222c8
 . . . . . . . . . . . . . . . . [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 25e2180eb25791942ae5d45d869083de53b3b892
 . . . . . . . . . . . . . . . . [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 (108 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/s/gts1d4/OVT4OfhkN3k'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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/repo/certs/gts1d4.der'
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mem.engineering'
 . . . . . . . . . . . . . . . . [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 (53 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://crls.pki.goog/gts1d4/Ljiga1eCboE.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e00000186820fb8900000040300473045022100a1d5eb5d942bbf2390602084e13a43e9ddf398f094b741408a29a39945cc3df402204d3bedfd80420d68064203b5464f2742a2a8a0bea07ecb093da8b6bd74601f1a0077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000186820fb8c600000403004830460221009c628feec718541d469f84d6c3991ddae0ac23c742ddc0ad0175a0d3c5c4d794022100d4a1aab25404ff8d42e79d5dc6fb5269fce4ce549f8d47016b71b6dd1c9d17eb
 . . . . [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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