armin.wolfermann.org

Issued by Let's Encrypt Authority X1

About this certificate


This digital certificate with serial number 01:f1:3e:d4:0b:2f:dd:83:80:50:d0:77:81:90:19:75:b2:8f was issued on by Let's Encrypt .

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.

armin.wolfermann.org

Let's Encrypt

Organization: Let's Encrypt

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 01:f1:3e:d4:0b:2f:dd:83:80:50:d0:77:81:90:19:75:b2:8f
Serial Number (int): 169203849489277874949619820654223741530767
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: 1f:82:7d:86:04:8a:5a:dc:18:af:cb:b8:bc:e3:e3:1a:fa:b7:7d:51
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): fc:31:08:4a:a1:51:4b:1c:22:ae:f2:5d:4b:4b:b9:b0:26:a7:a7:1e
Fingerprint (sha256): 47:ba:df:c0:0a:85:f7:ee:cb:c5:0b:96:0e:8b:63:c8:1c:79:76:d6:8e:51:40:38:84:dd:67:0d:49:34:06:68

Issuing Certificate URL: http://cert.int-x1.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x1.letsencrypt.org/

Check the revocation status for the current certificate on armin.wolfermann.org
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


Public Key Algorithm

RSA

Key Size

4096

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

This certificate doesn't contain any other subject alternative names besides the common name of the subject: armin.wolfermann.org

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIGDDCCBPSgAwIBAgISAfE+1Asv3YOAUNB3gZAZdbKPMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMTAeFw0xNTEyMTExNTEzMDBaFw0x NjAzMTAxNTEzMDBaMB8xHTAbBgNVBAMTFGFybWluLndvbGZlcm1hbm4ub3JnMIIC IjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA4wDLXUc1gt25yRBRyxkygN3H fS4XberEkBUyl8fBuDH3G7h/jNkf9UcikYhvzXCDoWb1p1vd8QXXhx+H3miqWy9i twfU4FiWWk5ABzCz7TUWLWVMXDyR4tyjyFZ5qMewocAIxmQC2PebPm9cg0lXCi5c 5p7MIzUHcoX6gtmwr90e7INDB4+hSe+mvH1gV1ccCAA9O5gBnc1eNp5Z5QapKgak 9ZQjg9GpSxiOc+bKNC0x5lK9zlhXYgWnDthK9fT4LbrLfC5s/rkB1S/n9tIfOXRf xRT4ZNdFGF4kXRX3GQbzlOSaHBwUKzylITUA7OIEQSOgPqfcG5rCSEQpDqpIqpIF VbBbsXHc0ARvGYEwJA20Okq1tL+AhWbPNDdTTx6KSnjVJi+hVBCEeQho4YOrx9kW 5Kdt5nVuLpczpu220yjFjF6PEf8/PjesS4MoxGImDiP/REoS6haBR3NNFF94cW6k 9+6rHS1WxeTnuc5wQUSK8YlhYiy1/hgUsxReaCWVMd9vrQ/LD/X80PKna1cXtaCI gr8c+DBo+dfPg51NLx9VsrPTQJuG2FdP7ZusB/fIh/89JOBiqoZ4J+reu56Xmybg SPXQE0iye9cd53H/pfnxadb28MM1qlBa13wkxksQM+rHWAjAU/l1lbunUTDJfYOm h+ZbL4s2u8rN2IjLjBMCAwEAAaOCAhUwggIRMA4GA1UdDwEB/wQEAwIFoDAdBgNV HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4E FgQUH4J9hgSKWtwYr8u4vOPjGvq3fVEwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3 pkVl7/Oo7KEwcAYIKwYBBQUHAQEEZDBiMC8GCCsGAQUFBzABhiNodHRwOi8vb2Nz cC5pbnQteDEubGV0c2VuY3J5cHQub3JnLzAvBggrBgEFBQcwAoYjaHR0cDovL2Nl cnQuaW50LXgxLmxldHNlbmNyeXB0Lm9yZy8wHwYDVR0RBBgwFoIUYXJtaW4ud29s ZmVybWFubi5vcmcwgf4GA1UdIASB9jCB8zAIBgZngQwBAgEwgeYGCysGAQQBgt8T AQEBMIHWMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCB qwYIKwYBBQUHAgIwgZ4MgZtUaGlzIENlcnRpZmljYXRlIG1heSBvbmx5IGJlIHJl bGllZCB1cG9uIGJ5IFJlbHlpbmcgUGFydGllcyBhbmQgb25seSBpbiBhY2NvcmRh bmNlIHdpdGggdGhlIENlcnRpZmljYXRlIFBvbGljeSBmb3VuZCBhdCBodHRwczov L2xldHNlbmNyeXB0Lm9yZy9yZXBvc2l0b3J5LzANBgkqhkiG9w0BAQsFAAOCAQEA iW89xnYFH2qlH1dwOJN78p00H9MZY9gl21F+vBV7qrM9QGUaeDOOMVO0qnhlDHrn N+a0j0Fs/SkEAqKccX89DIu4C/J/uv3HS0krka9Q1pukicljvro5gUCnCqV2F9CD tR1uF0NvnRr6rQ/EfzKdMsuoXvLnBP7moRoia9tJlhZ04FFu5ID3dFpiZeTKMcmy HVN/YddIh0JbXhdCJbaNXlEB+824Z8LA9YejiAV0BnJaHdPE8HZ2FL++YfKAJ5F0 GhK7igrjvgSl1I/XtxQyTaWH0dBIYHTya0Bt9TtGGu1dZLriOBrMbrt64QpsXpWS Lc5z3YWKS48eqXKZNjoJZw== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA4wDLXUc1gt25yRBRyxky gN3HfS4XberEkBUyl8fBuDH3G7h/jNkf9UcikYhvzXCDoWb1p1vd8QXXhx+H3miq Wy9itwfU4FiWWk5ABzCz7TUWLWVMXDyR4tyjyFZ5qMewocAIxmQC2PebPm9cg0lX Ci5c5p7MIzUHcoX6gtmwr90e7INDB4+hSe+mvH1gV1ccCAA9O5gBnc1eNp5Z5Qap Kgak9ZQjg9GpSxiOc+bKNC0x5lK9zlhXYgWnDthK9fT4LbrLfC5s/rkB1S/n9tIf OXRfxRT4ZNdFGF4kXRX3GQbzlOSaHBwUKzylITUA7OIEQSOgPqfcG5rCSEQpDqpI qpIFVbBbsXHc0ARvGYEwJA20Okq1tL+AhWbPNDdTTx6KSnjVJi+hVBCEeQho4YOr x9kW5Kdt5nVuLpczpu220yjFjF6PEf8/PjesS4MoxGImDiP/REoS6haBR3NNFF94 cW6k9+6rHS1WxeTnuc5wQUSK8YlhYiy1/hgUsxReaCWVMd9vrQ/LD/X80PKna1cX taCIgr8c+DBo+dfPg51NLx9VsrPTQJuG2FdP7ZusB/fIh/89JOBiqoZ4J+reu56X mybgSPXQE0iye9cd53H/pfnxadb28MM1qlBa13wkxksQM+rHWAjAU/l1lbunUTDJ fYOmh+ZbL4s2u8rN2IjLjBMCAwEAAQ== -----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 169203849489277874949619820654223741530767 . . . . . . . . [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 'Let's Encrypt Authority X1' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-12-11 15:13:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-03-10 15:13:00 +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 'armin.wolfermann.org' . . . . . . . . [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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 926091862959562921715143957117272875060151446490267384300816882221975340461713052407355049836819029028484285563386897726764932390245563207245334449535244090160352220432847491306464388632596007809722256025383239784643790966755629312537804549690238046108601988848681454379795566626930713465662197322048779343360300644947886983065443880336440373697546632099505049045098006466510774526718994079382379384188919732839656637019315378316660751594226421283649642307474272093545609772067662751019556036735808597505743350599040712604507067756301281929023998349541746269664383843414784676120848880217426111590545051210385901230102905159069359798416920445614999374617739079943758637004990838404275009002543759826332579819168508594659660757241516772970206623544497488903235438981505586044919903183819588012038413168021290838366723080191047313002295354166285456239723737408534792784281115899826642756097485627495738040018179013776628260963227401448327347051046383354256810945173113238228181498563452131075397342216028096368422564693696714116781716674312659758198916168803098630307461975557085119102592162599094309878212614280641198957949093620335645811337750580619791580490794557788977600265988379280914196268633477105253971020431788896445254044691 . . . . . . . . . . . . . . . . . . . . [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) 1f827d86048a5adc18afcbb8bce3e31afab77d51 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [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 (100 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.int-x1.letsencrypt.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://cert.int-x1.letsencrypt.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 (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'armin.wolfermann.org' . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . [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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