Issuer
Organization:Let's Encrypt
CommonName:R10
Subject
Organization:
CommonName:www.oca.ac.jp
Version: v3
Serial Number: 283507197671420644524926644334465394491887
Signature Algorithm: SHA256-RSA
Issuer:
Country: US
Organization: Let's Encrypt
CommonName: R10
Validity:
Not Before: 2024-08-29 01:05 UTC
Not After : 2024-11-27 01:05 UTC
Subject:
CommonName: www.oca.ac.jp
Subject Public Key Info:
Public Key Algorithm: RSA
Public Key:
Exponent: 65537
Public Key Modulus: (2048 bits) :
A8:2C:57:19:60:6A:E5:02:08:16:12:B4:9A:A1:C6:4A:
94:E0:89:1B:5D:88:CE:9D:1C:3B:E6:BA:CE:C6:43:D6:
9E:85:24:6A:13:DE:BF:73:4C:6B:FD:3D:CB:21:78:02:
2B:AB:72:92:3E:1B:1C:E7:1C:C5:87:49:CF:C0:50:D1:
9D:57:F0:E2:B9:8F:6F:E0:E1:23:44:FB:7D:CC:44:2F:
14:E8:B0:EF:2E:61:07:62:45:FC:B5:57:79:1C:C7:1D:
52:83:B5:66:38:8C:01:F5:24:97:40:15:13:36:33:03:
D5:BC:FE:14:4E:90:69:6E:1D:8F:16:03:79:4C:3D:1F:
78:18:01:D0:3E:5F:27:46:05:AA:E6:B1:05:7F:23:07:
7C:97:7D:1D:EC:72:C3:EF:A7:AB:15:D5:E4:D8:23:63:
D1:BA:41:70:86:E5:1C:F5:9E:62:76:CF:C4:96:CF:19:
9F:A3:74:CB:57:C0:47:97:DC:A7:A9:72:ED:64:EF:B7:
F1:E2:72:95:31:9E:6A:70:30:DD:27:29:48:E0:27:5F:
E9:C5:1E:31:02:36:0B:49:7B:2D:E6:D7:D7:4A:15:B4:
B0:E2:D9:6B:4C:19:43:FD:BF:C3:E7:EC:B6:F8:AA:81:
D0:57:95:35:C3:DC:BC:85:6D:C2:ED:E7:90:D3:53:71
Authority Key Identifier:
BB:BC:C3:47:A5:E4:BC:A9:C6:C3:A4:72:0C:10:8D:A2:35:E1:C8:E8
Subject Key Identifier:
21:C5:21:46:8B:C6:D3:7E:BF:DF:74:98:FE:42:13:8F:81:56:43:DA
Basic Constraints:
CA : false
Path Length Constraint: UNLIMITED
OCSP Server:
http://r10.o.lencr.org
Issuing Certificate URL:
http://r10.i.lencr.org/
Key Usage:
Digital Signature
Key Encipherment
Extended Key Usage:
Server Auth
Client Auth
DNS Names:
oca.ac.jp
www.oca.ac.jp
Certificate Signature Algorithm: SHA256-RSA
Certificate Signature:
B8:25:F2:E7:73:A6:86:08:4D:9F:4C:28:7C:F2:24:39:
B0:F4:99:77:B9:41:F4:6D:A4:14:E3:71:C7:CC:35:F7:
8D:A7:F9:FA:AA:92:2C:38:E9:C6:6F:AB:AF:C4:C2:05:
4E:3B:F3:56:64:56:6E:74:AC:A5:E9:30:A5:B4:5E:22:
7A:C7:6A:CE:F4:00:EA:08:18:6F:37:8A:9E:4F:1A:E9:
B9:59:FE:23:82:68:F2:F3:06:27:2A:9D:D2:50:4A:C8:
63:2D:1B:38:6C:F3:8C:72:B7:C7:83:1A:C4:87:D7:55:
DA:A1:14:E0:F4:78:11:B8:D5:9B:93:A3:55:5E:21:9F:
83:5E:C9:16:0E:FC:71:EE:29:80:1D:BE:85:8B:93:89:
C6:13:6F:F9:32:3E:DA:A1:A4:AF:18:49:C0:43:A1:DB:
3C:F2:27:D3:FB:8B:AB:A8:52:B7:9C:30:FD:0E:D5:86:
29:68:69:6B:9D:74:A7:A5:19:40:2B:CB:72:20:7A:C9:
3C:B1:F7:07:45:31:84:04:A1:4D:2C:ED:F9:B4:CE:97:
01:45:D1:7D:05:9A:95:96:A5:04:3B:7E:CC:99:2E:AA:
E7:0F:29:27:EC:80:D0:CD:CA:4D:DC:C3:A8:7B:C5:A2:
D8:16:F4:2D:43:85:01:EC:0A:E5:74:91:FD:30:6B:7A