Version: v3 Serial Number: 261883586734056026117826701612666197282779 Signature Algorithm: ECDSA-SHA384 Issuer: Country: US Organization: Let's Encrypt CommonName: E6 Validity: Not Before: 2024-10-12 01:34 UTC Not After : 2025-01-10 01:34 UTC Subject: CommonName: ease-crc.org Subject Public Key Info: Public Key Algorithm: ECDSA Public Key: F3:15:D1:17:B7:58:3F:F9:30:EE:B0:5F:E1:C6:6B:45: D9:30:65:9C:EC:5D:10:29:97:7E:E3:D7:A9:A0:39:24: 79:A6:C8:CD:C7:25:15:61:85:62:09:03:CA:E5:DA:04: 03:DE:79:6F:C8:E5:4B:7B:E0:53:07:43:F9:86:A9:F9 Authority Key Identifier: 93:27:46:98:03:A9:51:68:8E:98:D6:C4:42:48:DB:23:BF:58:94:D2 Subject Key Identifier: 39:C3:43:B4:25:9B:86:B3:D3:49:A1:27:0A:50:EC:85:AA:AD:3D:58 Basic Constraints: CA : false Path Length Constraint: UNLIMITED OCSP Server: http://e6.o.lencr.org Issuing Certificate URL: http://e6.i.lencr.org/ Key Usage: Digital Signature Extended Key Usage: Server Auth Client Auth DNS Names: ease-crc.org ease.informatik.uni-bremen.de www.ease-crc.org Certificate Signature Algorithm: ECDSA-SHA384 Certificate Signature: 30:65:02:30:43:24:73:B6:A1:5B:94:A4:01:90:6D:DE: 41:43:CE:AB:A1:3C:8F:76:6B:43:4C:78:E3:4E:2A:59: 1A:34:A7:7B:A7:BD:84:C1:BE:A5:82:0D:F8:76:78:A2: 92:C0:54:EC:02:31:00:A2:43:FE:98:25:A2:DB:E6:A2: AE:6F:B5:69:1E:90:71:8A:4E:E9:FD:AC:80:FF:64:E9: D3:76:AE:89:F9:A2:D8:51:F6:87:71:C9:21:A1:B3:06: C2:34:01:6F:C8:1B:D3

Version: v3 Serial Number: 366413551313080390105156349209249739917475 Signature Algorithm: ECDSA-SHA384 Issuer: Country: US Organization: Let's Encrypt CommonName: E6 Validity: Not Before: 2024-08-10 01:27 UTC Not After : 2024-11-08 01:27 UTC Subject: CommonName: ease-crc.org Subject Public Key Info: Public Key Algorithm: ECDSA Public Key: 0D:CA:3B:7A:9E:09:01:04:5E:20:F4:1E:74:0A:5B:C6: 1B:38:5C:A0:CC:99:78:75:F6:54:96:B0:45:4E:57:BC: 1A:CA:73:72:BF:57:98:81:C6:14:25:25:FC:02:84:CC: BE:66:9D:B2:EC:86:87:ED:D4:47:2A:D2:6B:5F:63:87 Authority Key Identifier: 93:27:46:98:03:A9:51:68:8E:98:D6:C4:42:48:DB:23:BF:58:94:D2 Subject Key Identifier: 9F:40:3A:38:28:3A:D1:65:AD:AE:73:9D:BC:61:1B:3C:1A:6D:A5:07 Basic Constraints: CA : false Path Length Constraint: UNLIMITED OCSP Server: http://e6.o.lencr.org Issuing Certificate URL: http://e6.i.lencr.org/ Key Usage: Digital Signature Extended Key Usage: Server Auth Client Auth DNS Names: ease-crc.org ease.informatik.uni-bremen.de www.ease-crc.org Certificate Signature Algorithm: ECDSA-SHA384 Certificate Signature: 30:65:02:30:4F:20:6D:69:4D:FB:E7:33:D3:A1:83:23: 7F:51:49:AD:96:2F:16:AF:D7:6D:9A:BF:F3:4B:34:C8: A1:91:45:25:56:18:BE:E9:69:F0:D7:9E:C0:15:65:44: B9:86:58:83:02:31:00:8E:29:C1:C9:E0:A0:23:FC:89: FC:20:78:C1:FA:64:B1:11:74:30:25:49:74:6D:8A:BE: 32:FA:E5:E4:8B:08:9A:DC:E5:43:2E:94:5E:9D:52:22: 6E:86:76:61:9F:87:58

Version: v3 Serial Number: 424595799547779496600183542869734695807626 Signature Algorithm: SHA256-RSA Issuer: Country: US Organization: Let's Encrypt CommonName: R11 Validity: Not Before: 2024-08-17 11:32 UTC Not After : 2024-11-15 11:32 UTC Subject: CommonName: learning-hub.ease-crc.org Subject Public Key Info: Public Key Algorithm: RSA Public Key: Exponent: 65537 Public Key Modulus: (2048 bits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uthority Key Identifier: C5:CF:46:A4:EA:F4:C3:C0:7A:6C:95:C4:2D:B0:5E:92:2F:26:E3:B9 Subject Key Identifier: 64:02:2D:34:3E:4C:44:86:F6:7C:27:B3:A8:B3:C6:86:A3:5D:BB:8B Basic Constraints: CA : false Path Length Constraint: UNLIMITED OCSP Server: http://r11.o.lencr.org Issuing Certificate URL: http://r11.i.lencr.org/ Key Usage: Digital Signature Key Encipherment Extended Key Usage: Server Auth Client Auth DNS Names: learning-hub.ease-crc.org opigno.informatik.uni-bremen.de Certificate Signature Algorithm: SHA256-RSA Certificate Signature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

Version: v3 Serial Number: 406316514905268971239790402819644232518762 Signature Algorithm: SHA256-RSA Issuer: Country: US Organization: Let's Encrypt CommonName: R3 Validity: Not Before: 2023-11-25 06:24 UTC Not After : 2024-02-23 06:24 UTC Subject: CommonName: ease-academy.org Subject Public Key Info: Public Key Algorithm: RSA Public Key: Exponent: 65537 Public Key Modulus: (2048 bits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uthority Key Identifier: 14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6 Subject Key Identifier: C7:AF:0D:EA:6A:E3:15:F3:3E:CB:C2:BA:78:36:23:C3:1C:0E:E3:56 Basic Constraints: CA : false Path Length Constraint: UNLIMITED OCSP Server: http://r3.o.lencr.org Issuing Certificate URL: http://r3.i.lencr.org/ Key Usage: Digital Signature Key Encipherment Extended Key Usage: Server Auth Client Auth DNS Names: ease-academy.org www.ease-academy.org Certificate Signature Algorithm: SHA256-RSA Certificate Signature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

Version: v3 Serial Number: 266643889761892903535171742867290608542468 Signature Algorithm: SHA256-RSA Issuer: Country: US Organization: Let's Encrypt CommonName: R3 Validity: Not Before: 2023-09-26 07:04 UTC Not After : 2023-12-25 07:04 UTC Subject: CommonName: ease-academy.org Subject Public Key Info: Public Key Algorithm: RSA Public Key: Exponent: 65537 Public Key Modulus: (2048 bits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uthority Key Identifier: 14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6 Subject Key Identifier: E4:9C:65:3C:CB:8E:0E:08:99:E7:03:14:D4:F6:98:22:10:A0:48:1C Basic Constraints: CA : false Path Length Constraint: UNLIMITED OCSP Server: http://r3.o.lencr.org Issuing Certificate URL: http://r3.i.lencr.org/ Key Usage: Digital Signature Key Encipherment Extended Key Usage: Server Auth Client Auth DNS Names: ease-academy.org www.ease-academy.org Certificate Signature Algorithm: SHA256-RSA Certificate Signature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