Update Coin.c

Expunging and making more secure

Signed-off-by: Josef Edwards <joed6834@colorado.edu>

Coin.c

@@ -14,7 +14,7 @@ void PMLL_Hash_Function(const char *input, unsigned char *output);
 void PMLL_Compress_Data(const char *input, unsigned char *output);
 void PMLL_Cache_Data(const char *input, unsigned char *output);
 void send_bitcoin_to_wallet(const char *wallet_address, unsigned char *bitcoin);
-void execute_secure_command(const char *command); // System sudo helper function
+void execute_secure_command(const char *command);
 
 // Bitcoin transaction structure
 typedef struct {
@@ -32,31 +32,27 @@ int main() {
     char *input = "input_data";
     unsigned char output[32];
 
-    // Call PMLL_Hash_Function
+    // Hash, compress, and cache the data
     PMLL_Hash_Function(input, output);
-
-    // Call PMLL_Compress_Data
     PMLL_Compress_Data(input, output);
-
-    // Call PMLL_Cache_Data
     PMLL_Cache_Data(input, output);
 
-    // Create a transaction and store it securely
+    // Create and store the transaction
     bitcoin_transaction_t *transaction = create_bitcoin_transaction(TEAM_WALLET_ADDRESS, output);
     store_transaction(transaction);
 
-    // Monitor the transaction for anomalies
+    // Monitor the transaction
     monitor_transaction(transaction);
 
-    // Send mined Bitcoin to the team wallet
+    // Send Bitcoin to the team wallet
     send_bitcoin_to_wallet(TEAM_WALLET_ADDRESS, output);
 
     // Clean up
     free(transaction);
     return 0;
 }
 
-// Function definitions
+// Execute secure system commands
 void execute_secure_command(const char *command) {
     char secure_command[512];
     snprintf(secure_command, sizeof(secure_command), "sudo %s", command);
@@ -68,8 +64,8 @@ void execute_secure_command(const char *command) {
     }
 }
 
+// Bitcoin-specific double-SHA-256 hash function
 void PMLL_Hash_Function(const char *input, unsigned char *output) {
-    // Bitcoin-specific double-SHA-256 hash function implementation
     SHA256_CTX sha256;
     SHA256_Init(&sha256);
     SHA256_Update(&sha256, input, strlen(input));
@@ -79,10 +75,10 @@ void PMLL_Hash_Function(const char *input, unsigned char *output) {
     SHA256_Final(output, &sha256);
 }
 
+// Compress data with AES and SHA-256
 void PMLL_Compress_Data(const char *input, unsigned char *output) {
-    // Bitcoin-specific AES and SHA-256 compression implementation
     AES_KEY aes_key;
-    unsigned char key[16] = {0}; // Example key, should be securely generated and stored
+    unsigned char key[16] = {0}; // Example key, should be securely stored
     AES_set_encrypt_key(key, 128, &aes_key);
     AES_encrypt((unsigned char *)input, output, &aes_key);
     SHA256_CTX sha256;
@@ -91,17 +87,18 @@ void PMLL_Compress_Data(const char *input, unsigned char *output) {
     SHA256_Final(output, &sha256);
 }
 
+// Simple caching mechanism
 void PMLL_Cache_Data(const char *input, unsigned char *output) {
-    // Simple caching implementation
     static char cache[1024];
     strcpy(cache, input);
     memcpy(output, cache, strlen(cache));
 }
 
+// Send Bitcoin to the specified wallet
 void send_bitcoin_to_wallet(const char *wallet_address, unsigned char *bitcoin) {
-    printf("Sending Bitcoin to the team wallet...\n");
+    printf("Sending Bitcoin to wallet: %s\n", wallet_address);
 
-    // Create, sign, and broadcast the transaction securely using sudo commands
+    // Create, sign, and broadcast the transaction securely
     execute_secure_command("./create_transaction");
     execute_secure_command("./sign_transaction");
     execute_secure_command("./broadcast_transaction");
@@ -111,7 +108,7 @@ void send_bitcoin_to_wallet(const char *wallet_address, unsigned char *bitcoin)
     printf("Transaction complete and metadata cleaned.\n");
 }
 
-// Bitcoin wallet API implementation
+// Create a Bitcoin transaction
 bitcoin_transaction_t *create_bitcoin_transaction(const char *wallet_address, unsigned char *bitcoin) {
     bitcoin_transaction_t *transaction = malloc(sizeof(bitcoin_transaction_t));
     if (transaction == NULL) {
@@ -123,18 +120,18 @@ bitcoin_transaction_t *create_bitcoin_transaction(const char *wallet_address, un
     return transaction;
 }
 
+// Placeholder signing function
 void sign_bitcoin_transaction(bitcoin_transaction_t *transaction) {
     printf("Signing transaction for wallet: %s\n", transaction->wallet_address);
-    // Placeholder signing implementation
-    execute_secure_command("./sign_transaction"); // Secure signing with sudo
+    execute_secure_command("./sign_transaction");
 }
 
+// Placeholder broadcasting function
 void broadcast_bitcoin_transaction(bitcoin_transaction_t *transaction) {
     printf("Broadcasting transaction for wallet: %s\n", transaction->wallet_address);
-    // Placeholder broadcasting implementation
-    execute_secure_command("./broadcast_transaction"); // Secure broadcasting with sudo
+    execute_secure_command("./broadcast_transaction");
 
-    // Clean and expunge metadata
+    // Clean and expunge sensitive data
     memset((void *)transaction->wallet_address, 0, strlen(transaction->wallet_address));
     memset(transaction->bitcoin, 0, 32);
     printf("Metadata expunged after broadcasting.\n");