alpha-ch.poly.edu
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:b1:2b:3a:76:35:02:9e:c0:9f:bd:cd:53:6a:d9:42:94:a7 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=alpha-ch.poly.edu
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:b1:2b:3a:76:35:02:9e:c0:9f:bd:cd:53:6a:d9:42:94:a7Serial Number (int): 321624297094847631109519657913234114122919
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 56:d9:a9:c7:26:ed:61:87:0e:45:2b:35:9e:d6:71:81:64:af:88:50
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 56:31:f8:50:8c:35:d1:c3:8c:fb:b3:5d:95:da:27:9d:fc:30:f2:89
Fingerprint (sha256): 1a:73:ff:19:a4:c4:6c:34:d3:9f:ae:7f:97:ce:21:be:9e:30:87:59:31:2a:be:c0:e5:f4:19:29:d4:f3:29:5e
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate alpha-ch.poly.edu
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for alpha-ch.poly.edu
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
alpha-ch.poly.edu
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osiris.cyber.nyu.edu
giving.poly.edu
www.poly.edu
hotcrp.poly.edu
polypasswordhasher.poly.edu
recruit.osiris.cyber.nyu.edu
hotcrp.poly.edu
hotcrp.poly.edu
hotcrp.poly.edu
hotcrp.poly.edu
prometheus.poly.edu
alpha-ch.poly.edu
hotcrp.poly.edu
vital.poly.edu
vgc.poly.edu
nysec.isis.poly.edu
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web-vm-01.poly.edu
polypasswordhasher.poly.edu
hotcrp.poly.edu
witestlab.poly.edu
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polypasswordhasher.poly.edu
lind.poly.edu
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nysec.isis.poly.edu
dash.poly.edu
recruit.osiris.cyber.nyu.edu
vital.poly.edu
ssl.poly.edu
blog.isis.poly.edu
bugzilla.poly.edu
csawctf.poly.edu
ctf.isis.poly.edu
hotcrp.poly.edu
osiris.cyber.nyu.edu
vgc.poly.edu
affix.poly.edu
polyvpn.poly.edu
seattle.poly.edu
polypasshash.poly.edu
selexor.poly.edu
hotcrp.poly.edu
bugzilla.poly.edu
witestlab.poly.edu
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wanlab.poly.edu
vpn-students.poly.edu
polyvpn.poly.edu
vgc.poly.edu
hotcrp.poly.edu
giving.poly.edu
osiris.cyber.nyu.edu
west.poly.edu
polypasswordhasher.poly.edu
polypasshash.poly.edu
vgc.poly.edu
polypasshash.poly.edu
hotcrp.poly.edu
vsn.poly.edu
polypasshash.poly.edu
osiris.cyber.nyu.edu
custombuilder.poly.edu
polypasshash.poly.edu
witestlab.poly.edu
hotcrp.poly.edu
hotcrp.poly.edu
netcheck.poly.edu
acs-02.poly.edu
git.isis.poly.edu
netcheck.poly.edu
polypasshash.poly.edu
hotcrp.poly.edu
bugzilla.poly.edu
*.eg.poly.edu
hotcrp.poly.edu
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chimera.poly.edu
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vgc.poly.edu
hotcrp.poly.edu
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hotcrp.poly.edu
web-vm-01.poly.edu
beta.poly.edu
hotcrp.poly.edu
osiris.cyber.nyu.edu
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hotcrp.poly.edu
polypasswordhasher.poly.edu
recruit.osiris.cyber.nyu.edu
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hotcrp.poly.edu
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prometheus.poly.edu
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vgc.poly.edu
nysec.isis.poly.edu
hotcrp.poly.edu
web-vm-01.poly.edu
polypasswordhasher.poly.edu
hotcrp.poly.edu
witestlab.poly.edu
hotcrp.poly.edu
seattleclearinghouse.poly.edu
cselab.poly.edu
vision.poly.edu
updateframework.poly.edu
polypasswordhasher.poly.edu
lind.poly.edu
updateframework.poly.edu
nysec.isis.poly.edu
dash.poly.edu
recruit.osiris.cyber.nyu.edu
vital.poly.edu
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blog.isis.poly.edu
bugzilla.poly.edu
csawctf.poly.edu
ctf.isis.poly.edu
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Certificate
The complete raw certificate details for alpha-ch.poly.edu in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFBTCCA+2gAwIBAgISA7ErOnY1Ap7An73NU2rZQpSnMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODAyMTkyMjQyMTVaFw0x ODA1MjAyMjQyMTVaMBwxGjAYBgNVBAMTEWFscGhhLWNoLnBvbHkuZWR1MIIBIjAN BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtUA3YqKCLFcFQnCiugjO0BlCYsSy O+HsPBKBSlE5hEGFahqEMisaZ1jdBpMLUlONYn8neO9LL24wibR9orrJX/CbKMsr U3K0sTwtlhc0hXvfsCdb3bGSZ7Z3qFEaPSHTfZDBXEjN5w+kqOlLYKxjCkDDI9Az Z23BdgM/B7hnIUVcg/Qfwx7DiZlSb8m2MGpQzTU5UFB5wk53iN+pwxWbns+X5qCp P12tnIUfBet+ppYgwYZbR7b1dqlHjOt033tDgA7kOoLTmZ0PvcfZyR0IkJXCLQ25 KhIlNiNu4GoE5DKuGz9AFNRwFqHuca0fzcmjC/oc5YsTW8xJYTympGrwNwIDAQAB o4ICETCCAg0wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggr BgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRW2anHJu1hhw5FKzWe1nGB ZK+IUDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcB AQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlw dC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlw dC5vcmcvMBwGA1UdEQQVMBOCEWFscGhhLWNoLnBvbHkuZWR1MIH+BgNVHSAEgfYw gfMwCAYGZ4EMAQIBMIHmBgsrBgEEAYLfEwEBATCB1jAmBggrBgEFBQcCARYaaHR0 cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwgasGCCsGAQUFBwICMIGeDIGbVGhpcyBD ZXJ0aWZpY2F0ZSBtYXkgb25seSBiZSByZWxpZWQgdXBvbiBieSBSZWx5aW5nIFBh cnRpZXMgYW5kIG9ubHkgaW4gYWNjb3JkYW5jZSB3aXRoIHRoZSBDZXJ0aWZpY2F0 ZSBQb2xpY3kgZm91bmQgYXQgaHR0cHM6Ly9sZXRzZW5jcnlwdC5vcmcvcmVwb3Np dG9yeS8wDQYJKoZIhvcNAQELBQADggEBAJsFRP06IR+1mdGwhNot92YHwKsjJfQM XK2e42EBuFAmK/wyhmzGbWtH0wz/38gVI0+JVSalOzzaDV2ejwWRcIEQk+yV8JOT frC1PY7OK3JkcmrVZLSXyT9LcuqcyHueAtD2NazTergm771yk/Ckks8LM/0iCUSM el2Vx4+HXS79lnTyA525Lxb3Hs/lVOfIUQ3bYczfNElLEgteZHXJyd0JLSpUpPdP 7u9yRHCtIg91qhKqRLlkRaM2fvYduj8OsCGQCfnqXTPFnLsMwuRf41mh/RrcGlrK U0je4HB8Q5nKcsfOJkWFmF8wrwJ5gWN+yy85QRzLCOR3aq4PE+it+oo= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtUA3YqKCLFcFQnCiugjO 0BlCYsSyO+HsPBKBSlE5hEGFahqEMisaZ1jdBpMLUlONYn8neO9LL24wibR9orrJ X/CbKMsrU3K0sTwtlhc0hXvfsCdb3bGSZ7Z3qFEaPSHTfZDBXEjN5w+kqOlLYKxj CkDDI9AzZ23BdgM/B7hnIUVcg/Qfwx7DiZlSb8m2MGpQzTU5UFB5wk53iN+pwxWb ns+X5qCpP12tnIUfBet+ppYgwYZbR7b1dqlHjOt033tDgA7kOoLTmZ0PvcfZyR0I kJXCLQ25KhIlNiNu4GoE5DKuGz9AFNRwFqHuca0fzcmjC/oc5YsTW8xJYTympGrw NwIDAQAB -----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 321624297094847631109519657913234114122919 . . . . . . . . [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 X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-02-19 22:42:15 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-05-20 22:42:15 +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 'alpha-ch.poly.edu' . . . . . . . . [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 22880799460666441951326365167381926825269235834187035837119436538951489619481617818743005185153034315741440094435529701853249543305077498287071134773087719096280599096778355293797088293281225394844255739415513311982164938823801681943682995615784828221459900375453386181772882844424372494094800256968538380628864399608966792940709794972818498330101762774587700575815205108601087749975366478520881936164653533414459158124439492138030542833792352682290084548302337978602173077962401440093087514635450946372669976445678634698797294196493406119215600563854700292201799379079201174055309081817712358394623221426957337686071 . . . . . . . . . . . . . . . . . . . . [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) 56d9a9c726ed61870e452b359ed6718164af8850 . . . . . . . . . . . . . . . . [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 (99 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-x3.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-x3.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 (21 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'alpha-ch.poly.edu' . . . . . . . . . . . . . . . . [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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