Test: Implement TLS fragment support in EAP TLS authentication.
Now that EAP tls fragmentation is supported, change tls authentication tests to the standard 2048 bits authentication mode.

Change-Id: I683c9bc441d5b965415fe4c97fbf84bf4e0a05e6
diff --git a/src/test/setup/radius-config/freeradius/certs_2/ca.key b/src/test/setup/radius-config/freeradius/certs_2/ca.key
index f6ce685..23523cb 100644
--- a/src/test/setup/radius-config/freeradius/certs_2/ca.key
+++ b/src/test/setup/radius-config/freeradius/certs_2/ca.key
@@ -1,30 +1,27 @@
------BEGIN ENCRYPTED PRIVATE KEY-----
-MIIFDjBABgkqhkiG9w0BBQ0wMzAbBgkqhkiG9w0BBQwwDgQInjXhKnIFIgUCAggA
-MBQGCCqGSIb3DQMHBAh+B3FNG/y9LQSCBMhDZu1kDr0UGMnD8mpB7H319e8GLakT
-8jzPI+bxethA4ZthxY3x5Jxcvyhzy92pR7lCG2Sr8HOVhPpxmp3W5HhbrDhdOj+Q
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-nvMAoEEPr0GT/fD1tpiR4JaRYXMUHrUt8kGw3Kayr2q9HYJuDeb1uwxK/ml+7aGN
-km9IEV/8Cc0/7TGSQR8jqS+evEy9Sv7tiB2rGnwB6hsbvT+l3jQdv/cX00vMPhRA
-g2KBqifiXRnZnYWlY1KAhZZm0BqJuohYko+xJ2yL2I5q8H7UooN+ND8nsaROOELq
-4FdwJd3MaHEgEnyPL5zFrCcv/R/v1GZNJGt0GT2marwPjLTkGcvDZvbX44a/InyV
-IlYZA/JNmWP6NlABhZIf/mzxnOWPjBwqq2y8Wg2PXpYrumj1nIUoO5B96YYo6lvS
-wlAjIYAxLy8IsUMURDfpvm2CCIW0aGTwO8YSyWnxLBa27MG8fWubjJafm+K4SOf3
-uLiBWlbrkCG7jvNL07/mnkjlP4n05Olb5nrpeTKOz3nklbQmsBhC5/OHZj7ZlUul
-gAR6/U3B0sefMsdqxuls3w8qfgrV1oQGATxvWgYs5zFa/bXBSN1L+brc2q+8ZtgR
-GkFIwnXPWiKB7GIlamER24a1nctR4vL+sYmpmlav+OS6n/jItTCYed+dQ5inC3hX
-4rdGiAjylaTDkW7k4dtIXGUJNGZbIxrpAqNYOVYrCyAEj+HdpNuTUUO2vohq+EM1
-og7SeLhsVg1bG3lYRaqZaXjsof2NAruFJ8aH93DcwoClxFjNJxOd9YAXIA83Uvz8
-D2Bu1/Z41Grq8O7YEnrYbxJP77G9PAgCLt2Uc16O91Lpg1gZ3gESX2BmuR38wbyv
-t5MoC1/oSBV+643yq2ldQRYOMSKl/CLoApywcatdHCIiDC3AEIklueG5jA9Diutl
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-m8S+lR+gmP3i9Y4/0UcccI24tO5s0FI4od/4BZ4NW9JsYKxCTj/WJCH4bpmjtmwK
-WI1XSxso1ueVQ7qJBVJyEsMa480nJ5GMKoEfzhqzGzvT1awcz5y/Q/4vIjGZVmR2
-GekRkn9uadPQnIsYGX99A5gPAXP+oCJ9MqLXZPdWLXdm0OybAkD++ryKfi3DNYq2
-TO4hcHLi7lEaIgDcOt+RWTkF0y6yZ3vnY6llvQTRF7fe+6R4YJg0On69+Lt6BoZw
-hmgaaR8YJl++eFWzCJjdJJrCPIiQginbGbpks2Zrz5hGGcQhNwomRX5DFVouePK5
-qhd54Myo2di+Fu0Ls86+nFwnIs9s1+c/2rDWzV1aRfEjnv3OUSLi1saoXjiunMBq
-/L4=
------END ENCRYPTED PRIVATE KEY-----
+-----BEGIN RSA PRIVATE KEY-----
+MIIEowIBAAKCAQEAv0m/nhOSrJwvdTYV13/Lk1d2c9VfABVXebojd4h99UK/x5L6
+bCVuX12duOiqqUYSADewSDke2cqhbzWXc9LJX9hqrNTNtykOWBaVs2QVDedXGHrW
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+tenikLEDkK+2Kg7miL9jVBxcbj8c2RhTmsUXXnWP87yPu9ZwQHD/
+-----END RSA PRIVATE KEY-----