sfmlab.com

Issued by Let's Encrypt Authority X1

About this certificate


This digital certificate with serial number 01:3c:42:43:5a:a7:8c:46:a3:71:e8:81:ac:6d:5f:9d:53:4e was issued on by Let's Encrypt .

With 4 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.

sfmlab.com

Let's Encrypt

Organization: Let's Encrypt

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 01:3c:42:43:5a:a7:8c:46:a3:71:e8:81:ac:6d:5f:9d:53:4e
Serial Number (int): 107617306717319261502050955274465369215822
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: 83:40:f2:08:1e:3c:11:a6:fc:d7:4a:b7:93:7a:0d:67:38:3c:85:9b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 9e:2d:56:07:8a:63:76:f8:e6:b3:28:f4:a5:b6:fd:a5:88:74:00:b2
Fingerprint (sha256): dd:37:c9:b0:91:d8:7d:b7:d4:3a:80:6f:d0:26:21:7a:01:d5:6f:47:2e:c7:2f:0e:b1:43:28:6b:98:d8:c7:a7

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 sfmlab.com
4
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

crossbar.sfmlab.com
sfmlab.com
www.sfmlab.com
direct.sfmlab.com

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFMDCCBBigAwIBAgISATxCQ1qnjEajceiBrG1fnVNOMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMTAeFw0xNjAyMDgwOTE2MDBaFw0x NjA1MDgwOTE2MDBaMBUxEzARBgNVBAMTCnNmbWxhYi5jb20wggEiMA0GCSqGSIb3 DQEBAQUAA4IBDwAwggEKAoIBAQDB+cLizl/oZ7u3BifI1mdp69AjQgHGzvJOWa0J V+MyJERA1LssnLcxjcgPUE08OebSATFkv9x56kvi3zfVO+hBc2Z4F+HqotLA75uk jM1NEsQ+kEX6Nkg8M1DiBxw+9q+G+Z+1vo+EXnY80IsMbJY7RShU/GywoxZPLz1U sDf2+0R+Taag965hJS1b7rEtdqKYQnlmg/A36PapJzPL3SuIoC2UGgWjKNC7ZB6C C82cwPk5wqyNfaIELOHw1tv1Aq5AST9QCX720ExuDeNJPT4uEllRWVVKCpT8bHhC n+vi4rNLO1RCS4DllCalyZCKRoosizQr6vdhjM6GESMoLO2NAgMBAAGjggJDMIIC PzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMC MAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFINA8ggePBGm/NdKt5N6DWc4PIWbMB8G A1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMHAGCCsGAQUFBwEBBGQwYjAv BggrBgEFBQcwAYYjaHR0cDovL29jc3AuaW50LXgxLmxldHNlbmNyeXB0Lm9yZy8w LwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14MS5sZXRzZW5jcnlwdC5vcmcv ME0GA1UdEQRGMESCE2Nyb3NzYmFyLnNmbWxhYi5jb22CCnNmbWxhYi5jb22CDnd3 dy5zZm1sYWIuY29tghFkaXJlY3Quc2ZtbGFiLmNvbTCB/gYDVR0gBIH2MIHzMAgG BmeBDAECATCB5gYLKwYBBAGC3xMBAQEwgdYwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIGrBggrBgEFBQcCAjCBngyBm1RoaXMgQ2VydGlm aWNhdGUgbWF5IG9ubHkgYmUgcmVsaWVkIHVwb24gYnkgUmVseWluZyBQYXJ0aWVz IGFuZCBvbmx5IGluIGFjY29yZGFuY2Ugd2l0aCB0aGUgQ2VydGlmaWNhdGUgUG9s aWN5IGZvdW5kIGF0IGh0dHBzOi8vbGV0c2VuY3J5cHQub3JnL3JlcG9zaXRvcnkv MA0GCSqGSIb3DQEBCwUAA4IBAQBKjL97zzJPHtyXFlYElZTkkXovtedK5XHgKclW KZTsBc3/iiOS3CSVLi4YEHD2YeXEJtHonWuO7jQIjE/oJTz9PuqHipe4dFfZXLnJ jlAVtYgjIPmSDpP/Q8ehl1DI/We0jE1Gi1lG+B26aD2SD9AQZ4pZmR+CONkxrduG mmCK6WKKfxoBPubevGh6ouZkqm2dyjGZm3teMWOGKXWim00HeHCwysOxCyJ2j1bI VY73Gv0pZDvotNC93O+noK+b3Wbztgj+YFrzyIE/avUq1sUX6Lwlk0V4M44qXgH+ 9HpB4IM8FiNmBMWKgcV+2DgCQZBsgYevssGKvvfskHIkGDe1 -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwfnC4s5f6Ge7twYnyNZn aevQI0IBxs7yTlmtCVfjMiREQNS7LJy3MY3ID1BNPDnm0gExZL/ceepL4t831Tvo QXNmeBfh6qLSwO+bpIzNTRLEPpBF+jZIPDNQ4gccPvavhvmftb6PhF52PNCLDGyW O0UoVPxssKMWTy89VLA39vtEfk2moPeuYSUtW+6xLXaimEJ5ZoPwN+j2qSczy90r iKAtlBoFoyjQu2QeggvNnMD5OcKsjX2iBCzh8Nbb9QKuQEk/UAl+9tBMbg3jST0+ LhJZUVlVSgqU/Gx4Qp/r4uKzSztUQkuA5ZQmpcmQikaKLIs0K+r3YYzOhhEjKCzt jQIDAQAB -----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 107617306717319261502050955274465369215822 . . . . . . . . [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 2016-02-08 09:16:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-05-08 09:16:00 +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 'sfmlab.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 24487154732613152329192697996965924406742240611281183293382245437092104710903525754431197692874789410005179316147980815011192881655775236631106323485138336331932343180907985815920451398630099919837330067365913587706765198962638080352187047716155546333307290686797725512232247750752812025028011957604310438905670253256300044279892563033760887843439291138390780082876766409315140293647137450225121771840507189661607601813469548865350157767071842734856057472594460332445559007804223428866519029360130489675109495511927114746164861658021160697205564720201852956732293950243555648884315166650924338106379215798629105986957 . . . . . . . . . . . . . . . . . . . . [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) 8340f2081e3c11a6fcd74ab7937a0d67383c859b . . . . . . . . . . . . . . . . [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 (70 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'crossbar.sfmlab.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sfmlab.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.sfmlab.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'direct.sfmlab.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 (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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