COINLYMPIA - KHÁM PHÁ KIẾN THỨC CRYPTO

HTTP/1.1 200 OK
Date: Sat, 08 Mar 2025 22:12:32 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
last-modified: Wed, 25 Dec 2024 02:13:57 GMT
x-amz-server-side-encryption: AES256
vary: accept-encoding
x-cache: Hit from cloudfront
via: 1.1 497370ec058751eb0d9251f66d50af5e.cloudfront.net (CloudFront)
x-amz-cf-pop: SFO5-P2
x-amz-cf-id: F2rUo_2VRctJ8748j9vZ_XDgq2A6ffKTfRZZPEYGgiO1KkHXxBr80w==
Age: 24565
CF-Cache-Status: DYNAMIC
Set-Cookie: __cf_bm=19OGUhthkti7iHuwK8PiekQsLr398qyDzhsp7WBSQgs-1741471952-1.0.1.1-RpWBjAcV3qaNoEvUdON8az0PM4RnG1vZ1FLYRWsKWNiAE18kIXLTgrlh41Way6omAu5_7FFRGIpxH2iLJ7f6wt7dpBZvLzRODLZFNad21aY; path=/; expires=Sat, 08-Mar-25 22:42:32 GMT; domain=.remitano.com; HttpOnly; Secure; SameSite=None
Server-Timing: cfCacheStatus;desc="DYNAMIC"
Set-Cookie: _cfuvid=i1_5E2jk3EyhfF2Wic1rNdfmsSrvodFQA0IaPa3OM.0-1741471952482-0.0.1.1-604800000; path=/; domain=.remitano.com; HttpOnly; Secure; SameSite=None
Server: cloudflare
CF-RAY: 91d5acb6bb7e67b9-SJC
alt-svc: h3=":443"; ma=86400

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            16:e9:87:8d:3e:e5:5a:39:11:51:fe:eb:79:60:30:6f
        Signature Algorithm: ecdsa-with-SHA256
        Issuer: C=US, O=Google Trust Services, CN=WE1
        Validity
            Not Before: Feb 13 23:47:34 2025 GMT
            Not After : May 15 00:47:31 2025 GMT
        Subject: CN=remitano.com
        Subject Public Key Info:
            Public Key Algorithm: id-ecPublicKey
                Public-Key: (256 bit)
                pub:
                    04:8b:f0:9b:b6:47:90:bc:fa:91:1f:f0:6c:b3:21:
                    c6:e1:37:0a:c4:32:1a:da:d9:56:6d:5b:ff:aa:46:
                    de:74:df:58:65:27:80:23:c8:1a:92:38:0a:89:07:
                    00:5e:7d:a9:65:a1:a9:48:f1:3f:d0:73:69:bc:64:
                    f4:c4:4e:f7:ed
                ASN1 OID: prime256v1
                NIST CURVE: P-256
        X509v3 extensions:
            X509v3 Key Usage: critical
                Digital Signature
            X509v3 Extended Key Usage: 
                TLS Web Server Authentication
            X509v3 Basic Constraints: critical
                CA:FALSE
            X509v3 Subject Key Identifier: 
                27:99:5A:33:7C:F7:24:A0:C5:CF:4D:4F:A5:7D:E3:91:AB:79:FE:51
            X509v3 Authority Key Identifier: 
                90:77:92:35:67:C4:FF:A8:CC:A9:E6:7B:D9:80:79:7B:CC:93:F9:38
            Authority Information Access: 
                OCSP - URI:http://o.pki.goog/s/we1/Fuk
                CA Issuers - URI:http://i.pki.goog/we1.crt
            X509v3 Subject Alternative Name: 
                DNS:remitano.com, DNS:*.remitano.com
            X509v3 Certificate Policies: 
                Policy: 2.23.140.1.2.1
            X509v3 CRL Distribution Points: 
                Full Name:
                  URI:http://c.pki.goog/we1/0b07lKySgU0.crl
            CT Precertificate SCTs: 
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : 4E:75:A3:27:5C:9A:10:C3:38:5B:6C:D4:DF:3F:52:EB:
                                1D:F0:E0:8E:1B:8D:69:C0:B1:FA:64:B1:62:9A:39:DF
                    Timestamp : Feb 14 00:47:35.330 2025 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:44:02:20:75:06:9A:8C:21:C4:14:A9:3F:30:F9:D8:
                                FA:5B:BA:26:69:47:02:07:EA:8A:26:EE:9E:C6:96:B1:
                                FF:9C:2B:9B:02:20:31:7F:13:1E:C5:55:E4:C8:43:65:
                                3C:38:3F:D6:C6:EB:AB:94:80:2E:16:7A:4D:DD:3B:0A:
                                C5:1E:44:02:CF:DB
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : E6:D2:31:63:40:77:8C:C1:10:41:06:D7:71:B9:CE:C1:
                                D2:40:F6:96:84:86:FB:BA:87:32:1D:FD:1E:37:8E:50
                    Timestamp : Feb 14 00:47:35.344 2025 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:44:02:20:0F:AC:30:84:65:61:F9:9F:7A:E7:87:8D:
                                F2:F1:F1:7E:B3:02:2E:DC:82:AF:40:27:4C:67:58:AD:
                                FB:0E:C8:35:02:20:66:55:40:BF:80:26:0C:F6:3D:1F:
                                EC:FC:9F:18:D9:CD:BD:A1:41:20:A0:16:0D:80:26:1F:
                                F5:C9:AE:90:34:2B
    Signature Algorithm: ecdsa-with-SHA256
    Signature Value:
        30:45:02:21:00:ad:b1:49:6f:a1:c7:93:36:f3:09:87:6c:38:
        b7:58:25:a7:23:6a:02:71:21:31:eb:c3:dc:2a:72:e7:3b:82:
        15:02:20:1a:bb:26:68:1f:39:f2:de:cf:dc:b6:43:cc:2c:ee:
        50:25:37:05:6d:2b:25:2e:fa:79:4f:72:43:fb:56:63:0f