update example certs (#8642)

* update certs

libraries/lwIP_Ethernet/examples/EthSSLValidation/EthSSLValidation.ino

@@ -113,7 +113,7 @@ fingerprints will change if anything changes in the certificate chain
 the root authorities, etc.).
 )EOF");
   BearSSL::WiFiClientSecure client;
-  client.setFingerprint(fingerprint_gitlab_com);
+  client.setFingerprint(fingerprint_sni_cloudflaressl_com);
   fetchURL(&client, gitlab_host, gitlab_port, path);
 }
 
@@ -139,7 +139,7 @@ private and not shared.  A MITM without the private key would not be
 able to establish communications.
 )EOF");
   BearSSL::WiFiClientSecure client;
-  BearSSL::PublicKey key(pubkey_gitlab_com);
+  BearSSL::PublicKey key(pubkey_sni_cloudflaressl_com);
   client.setKnownKey(&key);
   fetchURL(&client, gitlab_host, gitlab_port, path);
 }
@@ -155,7 +155,7 @@ BearSSL does verify the notValidBefore/After fields.
 )EOF");
 
   BearSSL::WiFiClientSecure client;
-  BearSSL::X509List cert(cert_USERTrust_RSA_Certification_Authority);
+  BearSSL::X509List cert(cert_Cloudflare_Inc_ECC_CA_3);
   client.setTrustAnchors(&cert);
   Serial.printf("Try validating without setting the time (should fail)\n");
   fetchURL(&client, gitlab_host, gitlab_port, path);

libraries/lwIP_Ethernet/examples/EthSSLValidation/certs.h

@@ -1,7 +1,7 @@
 
 // this file is autogenerated - any modification will be overwritten
 // unused symbols will not be linked in the final binary
-// generated on 2021-11-30 02:13:11
+// generated on 2022-07-18 20:51:33
 // by ['../../../../tools/cert.py', '-s', 'www.gitlab.com', '-n', 'gitlab']
 
 #pragma once
@@ -12,101 +12,45 @@
 const char*    gitlab_host = "www.gitlab.com";
 const uint16_t gitlab_port = 443;
 
-// CN: gitlab.com => name: gitlab_com
-// not valid before: 2021-04-12 00:00:00
-// not valid after:  2022-05-11 23:59:59
-const char fingerprint_gitlab_com[] PROGMEM
-    = "71:55:5e:29:68:99:43:98:c8:85:35:bd:4c:10:4c:f5:cf:17:09:e6";
-const char pubkey_gitlab_com[] PROGMEM = R"PUBKEY(
+// CN: sni.cloudflaressl.com => name: sni_cloudflaressl_com
+// not valid before: 2021-09-11 00:00:00
+// not valid after:  2022-09-10 23:59:59
+const char fingerprint_sni_cloudflaressl_com[] PROGMEM
+    = "04:86:fa:e7:69:4e:7b:75:f4:fd:88:41:6e:42:7a:f1:b0:de:66:3c";
+const char pubkey_sni_cloudflaressl_com[] PROGMEM = R"PUBKEY(
 -----BEGIN PUBLIC KEY-----
-MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1eeFy86Xbz3ygyCVprHp
-sPP3zyg0yldkIfqwjsXPH0b+KwQ85s3pzI/5+MVrR2/BGY4ed6mTZ6hvNwQJ2B0E
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-YBD0kiLI6b5CWYfA76pBSlZg7G3ledvQ+n9FEcS3EOCPKBBZqMDCzEahvHqwJ/r6
-pwIDAQAB
+MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAELIhZBDGe53N84LRh6Ng9qPCZ4VQ6
+2yUXTqkR7C+0e3sd+8GGLp67mLuFOvtjcrv+tP5o8zCz+UpDHmj7n1n17A==
 -----END PUBLIC KEY-----
 )PUBKEY";
 
-// http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt
-// CN: Sectigo RSA Domain Validation Secure Server CA => name: Sectigo_RSA_Domain_Validation_Secure_Server_CA
-// not valid before: 2018-11-02 00:00:00
-// not valid after:  2030-12-31 23:59:59
-const char cert_Sectigo_RSA_Domain_Validation_Secure_Server_CA[] PROGMEM = R"CERT(
+// http://cacerts.digicert.com/CloudflareIncECCCA-3.crt
+// CN: Cloudflare Inc ECC CA-3 => name: Cloudflare_Inc_ECC_CA_3
+// not valid before: 2020-01-27 12:48:08
+// not valid after:  2024-12-31 23:59:59
+const char cert_Cloudflare_Inc_ECC_CA_3[] PROGMEM = R"CERT(
 -----BEGIN CERTIFICATE-----
-MIIGEzCCA/ugAwIBAgIQfVtRJrR2uhHbdBYLvFMNpzANBgkqhkiG9w0BAQwFADCB
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------END CERTIFICATE-----
-)CERT";
-
-// http://crt.usertrust.com/USERTrustRSAAddTrustCA.crt
-// CN: USERTrust RSA Certification Authority => name: USERTrust_RSA_Certification_Authority
-// not valid before: 2019-03-12 00:00:00
-// not valid after:  2028-12-31 23:59:59
-const char cert_USERTrust_RSA_Certification_Authority[] PROGMEM = R"CERT(
------BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
 )CERT";