I'm looking to encrypt a message with my private key but I can not do it. Somebody help me correct my code? #include "mbedtls/aes.h" #include "mbedtls/ssl.h" #include "mbedtls/pk.h" #include "mbedtls/entropy.h" #include "mbedtls/ctr_drbg.h" unsigned char encrypted[MBEDTLS_MPI_MAX_SIZE]; unsigned cha...