u.tos.pt

Issued by Let's Encrypt Authority X1

About this certificate


This digital certificate with serial number 01:12:a1:8d:77:6f:05:da:ad:97:40:bb:cd:98:fd:f5:86:8e 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.

u.tos.pt

Let's Encrypt

Organization: Let's Encrypt

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 01:12:a1:8d:77:6f:05:da:ad:97:40:bb:cd:98:fd:f5:86:8e
Serial Number (int): 93452108779918444519467207249576852817550
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: d8:02:b5:87:3c:7f:bc:ea:8f:8f:c1:46:4c:03:39:f7:af:ae:e7:1b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 50:41:93:02:fe:cc:b5:27:88:1e:ed:67:4d:23:08:0e:b5:b7:ac:8e
Fingerprint (sha256): 12:b6:e7:e5:75:b0:68:c3:1f:89:ae:ed:04:2e:f7:cd:5f:ac:7e:6e:9d:98:86:93:4c:69:48:0b:81:2e:c4:38

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 u.tos.pt
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: u.tos.pt

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIF9DCCBNygAwIBAgISARKhjXdvBdqtl0C7zZj99YaOMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMTAeFw0xNTEyMTEyMDQ4MDBaFw0x NjAzMTAyMDQ4MDBaMBMxETAPBgNVBAMTCHUudG9zLnB0MIICIjANBgkqhkiG9w0B AQEFAAOCAg8AMIICCgKCAgEA1kALeUsNUAOP7QJ7En3DN/airlJy1aeGqpNT8f0y G6GgZeIPjFk2uQkxdUPuh1+tX6WjOkf5vV/ggvlW3EY3+yyqtmwpK5A0MiYziFtR pZ+SkudHsXGeXF8ep7sDqsQhD8FVbY2nx6mGhdx8n0Mr9J8xDdgxwUi7Y/6ekuEc 8gOY97EXEIuQDA/1nS2Wqn0pKi6U1/oi0m9+MLmn/4wYMWzQuhzAcJ9MK6aDMzCe NhUDPeoN0fhvHHxqDQmVBoBZ2b//h3oX9xHUVYMS51ln71pFTarKKPsIhbzGpLRh sgLFESk8Vt3C9ZMivU3M+6PZQjABRB7X8kKYs8+q48HZJSfa3JZWy2liiwowdMXv p1i+FRBTAA4rNdH69qWlR+6PXPZrw0xJ5lF+U/I9lwJksD3/uoZfqA+GEswCwveA /XElUSfNIAWFUshSA3VN+7sfdugL7xaQjMYheB8I8dZSAN0cNkzco67dCqWUer5G qVJIzLvluNyrs4I/6MDq146n5Z16xrFNPOrJ1T7d1cX52RBIULw3A4luJ8/9x9uz 1ksvplRCkOMqDBdBkf1ubpklmdnDCfOdl+PZ6btzQ7my+pQo6v2BqVb1LZXnmeYK tLzkJi6XU7ut+lkbR+4BzQe8Oqfkq1a+ZPaReXjxLVEbI2O+lfUhsJWy872ZmLJW Fa0CAwEAAaOCAgkwggIFMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEF BQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU2AK1hzx/vOqP j8FGTAM596+u5xswHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwcAYI KwYBBQUHAQEEZDBiMC8GCCsGAQUFBzABhiNodHRwOi8vb2NzcC5pbnQteDEubGV0 c2VuY3J5cHQub3JnLzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgxLmxl dHNlbmNyeXB0Lm9yZy8wEwYDVR0RBAwwCoIIdS50b3MucHQwgf4GA1UdIASB9jCB 8zAIBgZngQwBAgEwgeYGCysGAQQBgt8TAQEBMIHWMCYGCCsGAQUFBwIBFhpodHRw Oi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCBqwYIKwYBBQUHAgIwgZ4MgZtUaGlzIENl cnRpZmljYXRlIG1heSBvbmx5IGJlIHJlbGllZCB1cG9uIGJ5IFJlbHlpbmcgUGFy dGllcyBhbmQgb25seSBpbiBhY2NvcmRhbmNlIHdpdGggdGhlIENlcnRpZmljYXRl IFBvbGljeSBmb3VuZCBhdCBodHRwczovL2xldHNlbmNyeXB0Lm9yZy9yZXBvc2l0 b3J5LzANBgkqhkiG9w0BAQsFAAOCAQEABvEFdsHO1Q0VHzVQqiDYTlb3gb/C04Zp 4qwaZkD/KSzuNUAx0PFec7gHVnVt9edR0Flz49GJ0ppTIS9LYxQ/sKqEjkv7Cezq TBN4/5TDDYqeRj9fmStUm9WvaaWu93ImIy9kwekfm+FDtQUNdyEm8XfX+lJJPQ/a 2HAWGgPsWu0svrkBwZb2Mn+InM24z0G7ZOi72qTfPaGnx7AZ1hY1ChKs0yaPASvo uCV6kLw9KBHj2dlmkFmkvow/utRCyrTMr/SJn0TLnsBTsxR+vy6lRiDNxOegP1gT mQT+EVMRVRHwR8jK7c73VVfeeuwj0GleOQLHqqVz1edFVRA6Q1G7Bw== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA1kALeUsNUAOP7QJ7En3D N/airlJy1aeGqpNT8f0yG6GgZeIPjFk2uQkxdUPuh1+tX6WjOkf5vV/ggvlW3EY3 +yyqtmwpK5A0MiYziFtRpZ+SkudHsXGeXF8ep7sDqsQhD8FVbY2nx6mGhdx8n0Mr 9J8xDdgxwUi7Y/6ekuEc8gOY97EXEIuQDA/1nS2Wqn0pKi6U1/oi0m9+MLmn/4wY MWzQuhzAcJ9MK6aDMzCeNhUDPeoN0fhvHHxqDQmVBoBZ2b//h3oX9xHUVYMS51ln 71pFTarKKPsIhbzGpLRhsgLFESk8Vt3C9ZMivU3M+6PZQjABRB7X8kKYs8+q48HZ JSfa3JZWy2liiwowdMXvp1i+FRBTAA4rNdH69qWlR+6PXPZrw0xJ5lF+U/I9lwJk sD3/uoZfqA+GEswCwveA/XElUSfNIAWFUshSA3VN+7sfdugL7xaQjMYheB8I8dZS AN0cNkzco67dCqWUer5GqVJIzLvluNyrs4I/6MDq146n5Z16xrFNPOrJ1T7d1cX5 2RBIULw3A4luJ8/9x9uz1ksvplRCkOMqDBdBkf1ubpklmdnDCfOdl+PZ6btzQ7my +pQo6v2BqVb1LZXnmeYKtLzkJi6XU7ut+lkbR+4BzQe8Oqfkq1a+ZPaReXjxLVEb I2O+lfUhsJWy872ZmLJWFa0CAwEAAQ== -----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 93452108779918444519467207249576852817550 . . . . . . . . [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 20:48:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-03-10 20:48:00 +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 'u.tos.pt' . . . . . . . . [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 874064455822366679564437390836509816783616000083247974744155232059259229623165491974798901888768670866408104071764925287050504493079340680362338735442204727267223322067613990448335359027978793979489390812168375828390150912996635967112696543458290311213147189145151599455283439956455948347543489723901753398381288871416876984418315061886522140111028645341423078428039172314918663721458170891929253060965153791428480921587017502497479632175603070851700561805114532547678109331732224528052311027377726227082340275140552725516175214015593817961170551816724447851248982090687895313118848980393755431112121238167762847745874275026933479927756695659188868262293698402228715465394835130993240174534045475952518449018812662370609870337032469129968667855284665746694426023682065475251465874183897695835283263352998656332983854792902891136339115387246165210290718968846152400265571330847013712897359396419477538432308628539519728426049190582261957565147284865940943244052051404868104817184266169715728951013705155228087000090682283597478481859508453826638722524423834424888672825636586178858448927336404531585865639160148918583167884685268028626440743442230893616066829679921487288775959260791249752271164818998098341151106320006913753947182509 . . . . . . . . . . . . . . . . . . . . [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) d802b5873c7fbcea8f8fc1464c0339f7afaee71b . . . . . . . . . . . . . . . . [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 (12 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'u.tos.pt' . . . . . . . . . . . . . . . . [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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