loyalty.lenovo.com

Issued by R3

About this certificate

This digital certificate with serial number 04:3c:9a:93:6d:dd:75:4b:9d:16:f6:c7:a5:74:24:19:74:2f was issued on by Let's Encrypt.

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=loyalty.lenovo.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:3c:9a:93:6d:dd:75:4b:9d:16:f6:c7:a5:74:24:19:74:2f
Serial Number (int): 369071552349614747929491866558660659999791
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 95:c0:e5:2c:ec:66:1d:52:34:4b:9c:61:a5:e3:65:19:a1:b9:bd:4b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 2a:c2:dc:15:32:f9:31:ff:8f:47:45:cc:32:12:bb:e0:74:56:0f:a9
Fingerprint (sha256): 01:62:e6:1e:90:d2:49:4d:91:ad:aa:a7:a4:07:ec:58:44:16:5e:eb:f7:e3:da:a6:36:0d:69:67:1e:94:5e:4b

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

Revocation information

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

Check the revocation status for certificate loyalty.lenovo.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for loyalty.lenovo.com

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

loyalty.lenovo.com

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Certificate

The complete raw certificate details for loyalty.lenovo.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnT+90WU1lk0SKjghSz0G
46eJV2LuXLi2oufqkXr2W3+egMKYD+JCLKxhYkJ3PXuvZ5aCHMJtNCAZSSeOF4hp
fhhHukgtslwJlamWf1SolOjQ47ASQvsjjm5w9BhMDz8EowxWLoHaWQcE+VXUmHom
fR4rjw5kBu6ImMzX+oG0ajUiEDgyk4lgIk/yIztcmjKt30Z6fTZATYFOQO7Jodn4
uopU9ZZcBf1TP0UzPxOf3u/X1RCPSra6fSHB3v39LS+lSdEHcAU+medwPIzXEMg4
BtQTmLZy573+cdyAtV96IOjKtam9hsGJXBg9xNTw7RfGKSbX8tqoYZeccVki/m3m
4wIDAQAB
-----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 369071552349614747929491866558660659999791
 . . . . . . . . [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 2024-03-28 05:20:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-26 05:20:25 +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 'loyalty.lenovo.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 19850845973159151738686452754997322725737278068983906755617471560922740467711075356806101832441857383768523891210731279780935811589046247800682727222241737002241930082692857087778256495381537690661277871569394616061685251365370161116448488584918675524933945246534390680821267760347177496263464335096147503972084495118689842658555098240812478701778753757233011185524892554112379636256234436008436396029241620741911512341431670062973687642949384864393390984451438290718925671387418189003904324272534939157163088704726509703480823194455876667356852553112012417529745217600467934471153562345817933350737043697097325274851
 . . . . . . . . . . . . . . . . . . . . [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)
							95c0e52cec661d52344b9c61a5e36519a1b9bd4b
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'loyalty.lenovo.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 (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)
							00f1007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e83b787dd0000040300483046022100b497e95d3a92eed24b2479dcbed2ed60a31e476707e4561ec35ce27e2f6c34b9022100ea7a85dfd737e9098638ce8e8e5c6226e5d9dfe5bf590ba5aab2488daad0c850007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018e83b788290000040300473045022100d9307c32007bf9602db0d060678348eb22073947a4f32a513deb5c405c8b7ecd0220114d1bc15229c6dac2fdf5bb57a5f6f4f4fe5a02533f03bfa968accc489ecd54
 . . . . [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)
		008b911401da091f0dc6c5214bc8efb64dd0194765e5c0f8f554dceca2998f664563276280e85e9c77dd751cd00f1a46575d204d98c69c6b9be0b110504be7cbf0ee89ee8d6bfa0b7244be98d6a295a58fe4a77c6e2f4de96fa9b53533df64e355f8d576ea64171fbdb51daefe73627b3d8fb9df5572d6bfeebf5c9e35b9b35297a8509cb6899b3cefedb9ef652df7f2a620c016e0bd9558b760c57a6dc2d2a2177240cdd524fe9fc752a573c41584cca361035e677dd6a7f5c3b8296f7d7d5164e3e72d49c5c9cb7cfbb9ba7c72995b87b86d8d03138ab2b0290ec3d967fbecb2564807385668e413c7a1166a7f881060925e195a30c084bc881a3f50479489ed