data_files: add server11.key

This is a secp256k1 EC key. The goal is to use it in tests where a key
that does not belong to the "suite-b" list is required.
For example it can be used as counterpart of "server5.key" since this one
is secp256r1 and this curve type belong to "suite-b".

Signed-off-by: Valerio Setti <[email protected]>

Author: valeriosetti

data_files/server11.key

@@ -0,0 +1,5 @@
+-----BEGIN EC PRIVATE KEY-----
+MHQCAQEEIDzXde5ZiqF4VOJ4mFFJyzLOPz0RHkeJdF9quDdy67oGoAcGBSuBBAAK
+oUQDQgAEhOf8vez37gxdEN6efVX/hPgHSKCOU9bnYEpyXlk1LmMyoM45SOXNdKFY
+yrPYjOGxrb1zGxM5k3x5PinwF50Pqw==
+-----END EC PRIVATE KEY-----