o.shiroyuki.com

Issued by Let's Encrypt Authority X1

About this certificate

This digital certificate with serial number 01:0d:22:7e:47:5f:da:e9:77:8c:9d:9b:7e:39:9b:89:1b:ea 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=o.shiroyuki.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 01:0d:22:7e:47:5f:da:e9:77:8c:9d:9b:7e:39:9b:89:1b:ea
Serial Number (int): 91581806130638816474143941728432237911018
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: 40:26:07:3a:5f:d2:35:05:ac:21:fe:b1:85:62:19:d2:93:33:d6:cb
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d9:85:0e:05:a4:57:fa:ed:d9:1d:eb:8c:4f:15:c2:b8:a0:8e:0f:ff
Fingerprint (sha256): f5:9d:fc:fb:01:be:c1:47:88:14:be:79:50:45:b2:fe:b1:a2:5c:83:41:36:e3:56:69:62:d1:c6:fa:18:d4:ae

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

Revocation information

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

Check the revocation status for certificate o.shiroyuki.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for o.shiroyuki.com

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

o.shiroyuki.com

Other certificates including the domain name shiroyuki.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for o.shiroyuki.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 91581806130638816474143941728432237911018
 . . . . . . . . [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 2016-03-21 20:01:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-06-19 20:01:00 +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 'o.shiroyuki.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 840988714356619808207671539455118889689974047513063732863564048588908224707920894811436357304392384088776630781206982930104467538528214215280149912492538182680136926657841893658044361801008228740746579742051739164880390904436019265715227647491220995848098494837909770553669271828257659376310945708921051126994087149393074533252005501086890050034142347352684087459056352746993219130689922920795530960773002058183121341946995425174784672588122256347274956428119420330216132030528136959075936583072119508672403092849860055593883369703042989616063220691734002119179425588318070783060563473973480504873149806728401580960963050355835994847918870245540567926187029249347506993631402871031193291590302890836159364766095152466430453617455318415264709652458351922736616558563238183259765777772696417312511144474100904931476679245518985834473139234206808039006809308296565401763990601009897373478552676058665768127804716196692496497599435079129157200739363006726016602667880127472564775604026454694578022946713885997619693688754436944716387358080679579633496990467198286216022026349278525012224625883562445003412819977964816167553467654234559581135044021452838915165592355379748451358014176231826958301964006295130648369055608492042998755893081
 . . . . . . . . . . . . . . . . . . . . [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)
							4026073a5fd23505ac21feb1856219d29333d6cb
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'o.shiroyuki.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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