diff --git a/trial3/defines.h b/trial3/defines.h
index 0a53aaa..cd5b61c 100644
--- a/trial3/defines.h
+++ b/trial3/defines.h
@@ -46,7 +46,8 @@
 
 /* SPECIFIC AND SPECIAL VALUES */
 /* DO NOT CHANGE THIS BLOCK */
-
+#define IDENTITY	"Identity"
+#define ALIAS 		"Alias"
 #define ACCUM_BUFF_OFFSET	2
 #define ENTROPY_LEN			32
 
diff --git a/trial3/layer1.c b/trial3/layer1.c
index 16bc9be..5cf0fbf 100644
--- a/trial3/layer1.c
+++ b/trial3/layer1.c
@@ -1,8 +1,6 @@
 #include "layer1.h"
 
 
-#define IDENTITY     "identity"
-
 int readUDS(uint8_t* UDSdigest)
 {
   //Read 8 bytes from RANDFILE
@@ -245,8 +243,7 @@ int seedRNGSource(void *data, unsigned char *output, size_t len)
 
   mbedtls_entropy_context * p_ent = data;
   printf("manual update entropy with CDI\n");
-  printf("%d : len of buffer\n", (int)sizeof(p_ent -> accumulator.buffer) );
-    
+      
   if(memcpy(output, p_ent -> accumulator.buffer + ACCUM_BUFF_OFFSET , ENTROPY_LEN) < 0)
   	return( MBEDTLS_ERR_ENTROPY_SOURCE_FAILED );
 
@@ -308,11 +305,8 @@ int deriveECCKeyPair(KeyDrv_context * KD_ctx)
   	mbedtls_entropy_add_source( &entropyCtx, use_dev_random,
                                NULL, ENTROPY_LEN, MBEDTLS_ENTROPY_SOURCE_STRONG );
   	
-  	mbedtls_ctr_drbg_seed(&drbgCtx, mbedtls_entropy_func,
-                             &entropyCtx,
-                             (const unsigned char *) KD_ctx->phrase ,
-                             strlen(KD_ctx->phrase)
-                             );
+  	mbedtls_ctr_drbg_seed(&drbgCtx, mbedtls_entropy_func, &entropyCtx,
+                             (const unsigned char *) KD_ctx->phrase, strlen(KD_ctx->phrase) );
   }
 
   else if (KD_ctx->ENT_MODE == DETERM)			// Deterministic derviation with seed
@@ -337,9 +331,7 @@ int deriveECCKeyPair(KeyDrv_context * KD_ctx)
 		printf("Accumulating entropy ...\n");
 		mbedtls_entropy_update_manual(&entropyCtx, KD_ctx->seed, ENTROPY_LEN);
 		mbedtls_ctr_drbg_seed(&drbgCtx, mbedtls_entropy_func, &entropyCtx,
-                               (const unsigned char *) KD_ctx->phrase ,
-                               strlen(KD_ctx->phrase)
-                               );
+                              (const unsigned char *) KD_ctx->phrase, strlen(KD_ctx->phrase) );
 	}
 
   if(mbedtls_ecp_gen_keypair(&ecpGrp, &secret, &Public, 
@@ -436,14 +428,14 @@ int deriveRSAKeyPair(void)
 	mbedtls_rsa_init(&rsaCtx,MBEDTLS_RSA_PKCS_V21, RSA_HASH_ID);
 
 	mbedtls_entropy_context entropyCtx;
-    mbedtls_entropy_init(&entropyCtx);
+  mbedtls_entropy_init(&entropyCtx);
 
-    mbedtls_ctr_drbg_context drbgCtx;
-    mbedtls_ctr_drbg_init(&drbgCtx);
+  mbedtls_ctr_drbg_context drbgCtx;
+  mbedtls_ctr_drbg_init(&drbgCtx);
 
     //Seed drbg with secret data now?
     //move "private" string to n param
-    int ret = mbedtls_ctr_drbg_seed(&drbgCtx, mbedtls_entropy_func, &entropyCtx,
+  int ret = mbedtls_ctr_drbg_seed(&drbgCtx, mbedtls_entropy_func, &entropyCtx,
     				(const unsigned char *) "Private", sizeof("Private"));
 
 	mbedtls_rsa_gen_key(&rsaCtx,mbedtls_ctr_drbg_random, &drbgCtx,
diff --git a/trial3/layer2.h b/trial3/layer2.h
index 5f59e65..4b62d8b 100644
--- a/trial3/layer2.h
+++ b/trial3/layer2.h
@@ -19,9 +19,6 @@
 //#include "defines.h"
 
 
-#define IDENTITY	"Identity"
-#define ALIAS 		"ALIAS"
-
 
 void ROMprotocol(void);
 
diff --git a/trial3/links.txt b/trial3/links.txt
index f4573f1..d5a7ffc 100644
--- a/trial3/links.txt
+++ b/trial3/links.txt
@@ -23,4 +23,18 @@ mbedtls_entropy_add_source( &entropy, dev_random_entropy_poll,
 https://forums.mbed.com/t/mbedtls-porting-into-new-environment-help-with-networking-and-entropy/4969
 https://os.mbed.com/docs/mbed-os/v6.2/porting/entropy-sources.html
 
-https://tls.mbed.org/discussions/crypto-and-ssl/deterministic-random-bit-generator-help
\ No newline at end of file
+https://tls.mbed.org/discussions/crypto-and-ssl/deterministic-random-bit-generator-help
+
+
+
+
+
+
+
+
+
+removing sensitive data rom RAM
+
+https://stackoverflow.com/questions/42771298/explicitly-removing-sensitive-data-from-memory
+
+compiler removes memset(,0,) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=8537
\ No newline at end of file
diff --git a/trial3/out/main b/trial3/out/main
index 9171901..0b0eb42 100755
Binary files a/trial3/out/main and b/trial3/out/main differ