psyc.bbk.ac.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:80:13:aa:a6:5c:d1:8e:f6:25:2b:db:09:18:02:5c:4d:e6 was issued on by Let's Encrypt.

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=psyc.bbk.ac.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:80:13:aa:a6:5c:d1:8e:f6:25:2b:db:09:18:02:5c:4d:e6
Serial Number (int): 304919142157780567939862171054163885837798
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 74:a3:4f:c8:f2:84:c7:fd:6a:cf:36:b0:4c:40:28:16:cb:19:f1:d1
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d7:ad:13:68:37:0d:54:a2:3c:6d:db:7c:1f:15:46:06:a8:c3:4c:00
Fingerprint (sha256): 49:4a:41:2b:90:5c:88:2a:2a:86:6a:04:7b:97:6b:6a:d4:f1:50:9b:31:c8:08:1d:d6:ea:59:85:c5:2e:44:e4

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

Revocation information

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

Check the revocation status for certificate psyc.bbk.ac.uk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for psyc.bbk.ac.uk

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

psyc.bbk.ac.uk

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web-test.its.bbk.ac.uk
media.bbk.ac.uk
*.cryst.bbk.ac.uk
www.bbk.ac.uk
eprints.bbk.ac.uk
sd2.its.bbk.ac.uk
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*.ezproxy.lib.bbk.ac.uk
populus2.ccs.bbk.ac.uk
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kif.dcs.bbk.ac.uk
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www2.bbk.ac.uk
vpn.dcs.bbk.ac.uk
zendto.its.bbk.ac.uk
puck.mda.bbk.ac.uk
sable.psychology.bbk.ac.uk
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readings.bbk.ac.uk
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olh.janewaysharedhosting.com
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populus2.ccs.bbk.ac.uk
cis-dev.bbk.ac.uk
app5.its.bbk.ac.uk
*.cryst.bbk.ac.uk
jarmanlab.bbk.ac.uk
fryitvpn.bbk.ac.uk
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*.ezproxy.lib.bbk.ac.uk
www2.bbk.ac.uk
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sim.openlibhums.org
olh.janewaysharedhosting.com
wiki.bbk.ac.uk
uag.bbk.ac.uk
gandaki.bbk.ac.uk
tyto.ccs.bbk.ac.uk
tyto.ccs.bbk.ac.uk
*.cryst.bbk.ac.uk
media.bbk.ac.uk
side2.mda.bbk.ac.uk
smtp.dcs.bbk.ac.uk
cis.bbk.ac.uk
pyrus.ccs.bbk.ac.uk
zendto.its.bbk.ac.uk
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apw03.its.bbk.ac.uk
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Certificate

The complete raw certificate details for psyc.bbk.ac.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA16YouwcJBcqF00LJ4B+X
5nBGkayJtUEkXi1NrMLNQd5Dl42L8pBPg/Rm1fJ4tfg3HAjZo5QKpfC/KIIUCUAy
xNDxyz5tyce5jcKlqfY2PGU0UvHhVY5Kp0IeEynyZMhqIhEiXs72pqOCe/5on5Ia
GGiBC0q4McL/ueXTyUS4NqUP936oTrKsfABIvnGvaKxqBVTn5ucCUuE6iribfS09
btx6puX1t2Fdk7Bx89DQNc8fB9Z1gra+6xaYn3zl/L9MEh23pzE4NQzFByAR8ky7
7FftQJNyjTVGkrbG0Zsr1imBTdpcdcOZSdxJFAB2qvtTIWQ+HlA9iQu6mbzPS9yr
xwIDAQAB
-----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 304919142157780567939862171054163885837798
 . . . . . . . . [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 2023-06-30 15:25:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-28 15:25:50 +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 'psyc.bbk.ac.uk'
 . . . . . . . . [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 27223171675593300437168761727585294345643539667738187704130490680198353535606585508740137215323172735415335436701230889151279117353029430669939805707404259287080536457325074599097292649811507922642625678577858390603496787129186024228379530409028134558388881025315732418845836078727816523725663642601112680669822371489632042523807317892767484948633746941361061721630375845481014501424459024517570520860048995716684550567581466057795047648992839700542561676122703319946135052609497863007318150859878777235911838439926846415896826920178185052207923850715447036581102616518275578487373492844614520484665788259617478585287
 . . . . . . . . . . . . . . . . . . . . [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)
							74a34fc8f284c7fd6acf36b04c402816cb19f1d1
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'psyc.bbk.ac.uk'
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001890d200afc0000040300483046022100b8ad41e9ae989b06e645ba20290f31149f152877d3237f9501d4ed7b104ba103022100ee90bdfcc3a14c4064cfd73bd1d3266972a305fb81e71d22a75efe53e55e193f007700adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a000001890d200b9a00000403004830460221009302b985b1b296402f8153d9df6b5d62904b336feef1f4f3ef58b70b98469079022100cdb67c76326cfadf862bf938f4a7e28a5c9ef71f7532f5f47f7b8b07a65b7dfb
 . . . . [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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