RAND_bytes(cs->decrypt_iv, AES_BLOCK_SIZE);#ifndefUSE_POLARSSLAES_set_encrypt_key(cs->raw_key,128, &cs->encrypt_key);AES_set_decrypt_key(cs->raw_key,128, &cs->decrypt_key);#elseaes_setkey_enc(&cs->aes_enc, cs->raw_key,128); aes_setkey_dec(&cs->aes_dec, cs->raw_key,...