cwa.bt.com

Issued by GeoTrust SSL CA - G3

About this certificate


This digital certificate with serial number 72:1d:0f:79:1f:39:e9:dd:ab:36:d2:f3:e9:09:51:a4 was issued on by GeoTrust Inc. .

With 3 subject alternative names this certificate can be used to secure multiple fqdn's. While the 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.

Cerificate errors/warnings *beta

  • WARNING: Using depricated TeletexString for '[London]'
  • WARNING: Using depricated TeletexString for '[British telecommunications plc]'
  • WARNING: Using depricated TeletexString for '[BT TSO]'
  • WARNING: Using depricated TeletexString for '[cwa.bt.com]'

British telecommunications plc

Organization: British telecommunications plc
Organization unit: BT TSO
State / Province: London
Locality: London
Country: GB

GeoTrust Inc.

Organization: GeoTrust Inc.
State / Province: London
Locality: London
Country: GB

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 72:1d:0f:79:1f:39:e9:dd:ab:36:d2:f3:e9:09:51:a4
Serial Number (int): 151682881960793686989940557377922748836
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId:
AuthorityKeyId: d2:6f:f7:96:f4:85:3f:72:3c:30:7d:23:da:85:78:9b:a3:7c:5a:7c

Fingerprint (sha1): bd:bd:d8:8f:fd:c3:09:66:18:cc:3b:44:8f:ab:ef:73:bf:7f:a8:eb
Fingerprint (sha256): 3d:7f:92:38:d9:ee:0e:64:39:de:56:a0:b8:d2:86:cf:36:eb:92:11:a6:e1:d5:f2:df:6b:8f:eb:d8:d1:04:49

Issuing Certificate URL: http://gn.symcb.com/gn.crt

Revocation information

OCSP Server: http://gn.symcd.com
CRL Distribution Point: http://gn.symcb.com/gn.crl

Check the revocation status for the current certificate on cwa.bt.com
3
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


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

8 extensions
No unhandled critical extensions



CA Certificate

This is not a CA certificate

Subject Alternative Names

download.cwa.bt.com
as.cwa.bt.com
cwa.bt.com

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFDjCCA/agAwIBAgIQch0PeR856d2rNtLz6QlRpDANBgkqhkiG9w0BAQsFADBE MQswCQYDVQQGEwJVUzEWMBQGA1UEChMNR2VvVHJ1c3QgSW5jLjEdMBsGA1UEAxMU R2VvVHJ1c3QgU1NMIENBIC0gRzMwHhcNMTUwOTI4MDAwMDAwWhcNMTYxMTI2MjM1 OTU5WjB+MQswCQYDVQQGEwJHQjEPMA0GA1UECBMGTG9uZG9uMQ8wDQYDVQQHFAZM b25kb24xJzAlBgNVBAoUHkJyaXRpc2ggdGVsZWNvbW11bmljYXRpb25zIHBsYzEP MA0GA1UECxQGQlQgVFNPMRMwEQYDVQQDFApjd2EuYnQuY29tMIIBIjANBgkqhkiG 9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoYZ414LIBTtuAWpgIB90ZS7rk+zRcwzr05xb gsPPg/01jVEXMgOwTT7bU6whNvYMOpfjLR0ndExCmdA/52rWvv6tX1D0RyZCK4ra mZ+Ibp1mCNjE1bXwM0lTZxuoLXvfG+xGIMFKgn2vEnG8nzT0pDFCcgyt+df79Cxs 0BB89EgG3OCAsEDBsyPNstkdLSnazqqQH3Lfe0MDdgi0ZC90xouaDaonN1b7hTSx 1izSEVWnKr+pcmUtsu+Kw43hK0EnDkbrA2XLZMfDK8UV0S2dTK1IdZaSpY7AGwU+ Hl0UWkILNGY0pEefc5ZW5ZzkbPs61AS69dXOPTu8Hmpvp63qUwIDAQABo4IBwDCC AbwwOQYDVR0RBDIwMIITZG93bmxvYWQuY3dhLmJ0LmNvbYINYXMuY3dhLmJ0LmNv bYIKY3dhLmJ0LmNvbTAJBgNVHRMEAjAAMA4GA1UdDwEB/wQEAwIFoDArBgNVHR8E JDAiMCCgHqAchhpodHRwOi8vZ24uc3ltY2IuY29tL2duLmNybDCBnQYDVR0gBIGV MIGSMIGPBgZngQwBAgIwgYQwPwYIKwYBBQUHAgEWM2h0dHBzOi8vd3d3Lmdlb3Ry dXN0LmNvbS9yZXNvdXJjZXMvcmVwb3NpdG9yeS9sZWdhbDBBBggrBgEFBQcCAjA1 DDNodHRwczovL3d3dy5nZW90cnVzdC5jb20vcmVzb3VyY2VzL3JlcG9zaXRvcnkv bGVnYWwwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMB8GA1UdIwQYMBaA FNJv95b0hT9yPDB9I9qFeJujfFp8MFcGCCsGAQUFBwEBBEswSTAfBggrBgEFBQcw AYYTaHR0cDovL2duLnN5bWNkLmNvbTAmBggrBgEFBQcwAoYaaHR0cDovL2duLnN5 bWNiLmNvbS9nbi5jcnQwDQYJKoZIhvcNAQELBQADggEBANVRIJQJOpyCA8fYypIh FvXf/kcpgXIThDBEzdcwwJKXJ5fPx7esYfGC+xfXBFnYcSXZp74VskF/zmJTRroe jvpiscm3l247b70W2QAM1ELrJCbRUhN7S/6Q3Ti835y65rSxQRdPXA+EouhSDLVr QUd8OxLtOUN+7sHGbqw8XZlGBYQlJVG+5a1+olNacfHrx6vtKHkmA6miB58UyK0Y DPz58h4b7iwfOTxMQJ8MQ6dew/frQ45UOFhdA+vqM15CiYwoxubgWl3Ikd1O3IKF E57sKOJv2NMx6caKAoVHTktkCxRP7U+uFLWV2xwS44xnBW8G0Gh4jpD0nLst5I+Y zZw= -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoYZ414LIBTtuAWpgIB90 ZS7rk+zRcwzr05xbgsPPg/01jVEXMgOwTT7bU6whNvYMOpfjLR0ndExCmdA/52rW vv6tX1D0RyZCK4ramZ+Ibp1mCNjE1bXwM0lTZxuoLXvfG+xGIMFKgn2vEnG8nzT0 pDFCcgyt+df79Cxs0BB89EgG3OCAsEDBsyPNstkdLSnazqqQH3Lfe0MDdgi0ZC90 xouaDaonN1b7hTSx1izSEVWnKr+pcmUtsu+Kw43hK0EnDkbrA2XLZMfDK8UV0S2d TK1IdZaSpY7AGwU+Hl0UWkILNGY0pEefc5ZW5ZzkbPs61AS69dXOPTu8Hmpvp63q UwIDAQAB -----END PUBLIC KEY-----

ASN1 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 151682881960793686989940557377922748836 . . . . . . . . [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 'GeoTrust Inc.' . . . . . . . . . . . . [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 'GeoTrust SSL CA - G3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-09-28 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-11-26 23:59:59 +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 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'GB' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.8 (stateOrProvinceName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'London' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName) . . . . . . . . . . . . . . . . . . . . [c:0|t:20|false] TeletexString, T61String 'London' . . . . . . . . . . . . [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:20|false] TeletexString, T61String 'British telecommunications plc' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:20|false] TeletexString, T61String 'BT TSO' . . . . . . . . . . . . [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:20|false] TeletexString, T61String 'cwa.bt.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 20390677733118808343925126828238969170233369033618814763868604226192698878498895634310093482273559827463303942895791802336632133585147968241647673730989408986384313177159558269799159222341936843478463165631912506878483605184959025293898846599795628379115047654285922680692723879597221515115910001590836976894744222073510671647521807224737437049546994985735263712857142850713314571672856965600974453054504355219290179372243254306450316156005764272614658444568243011875277792357556200560431629280517636693925801945484841677370207483240434828424376394971778708446540447383326471687975543503958460338259468171613595101779 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (50 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'download.cwa.bt.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'as.cwa.bt.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cwa.bt.com' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [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 2.5.29.15 (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 2.5.29.31 (cRLDistributionPoints) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (36 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://gn.symcb.com/gn.crl' . . . . . . . . . . . . . . . . [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 (149 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.2 (Organization Validation Certificates Policy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'https://www.geotrust.com/resources/repository/legal' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'https://www.geotrust.com/resources/repository/legal' . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName d26ff796f4853f723c307d23da85789ba37c5a7c . . . . . . . . . . . . . . . . [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 (75 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://gn.symcd.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://gn.symcb.com/gn.crt' . . . . [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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