From 9d1b60d50c872c76d897a6778e0747d8fde5b7dc Mon Sep 17 00:00:00 2001
From: Shannon Appelcline <shannon.appelcline@gmail.com>
Date: Tue, 11 Aug 2020 09:16:02 -1000
Subject: [PATCH] Create 16_2_genmnemonic.c

---
 src/16_2_genmnemonic.c | 70 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 src/16_2_genmnemonic.c

diff --git a/src/16_2_genmnemonic.c b/src/16_2_genmnemonic.c
new file mode 100644
index 0000000..34ade15
--- /dev/null
+++ b/src/16_2_genmnemonic.c
@@ -0,0 +1,70 @@
+#include <stdio.h>
+#include "sodium.h"
+#include "wally_core.h"
+#include "wally_bip39.h"
+
+int main(void) {
+
+  int lw_response;
+
+  /* 1. Initialize Libwally */
+  
+  lw_response = wally_init(0);
+
+  if (lw_response) {
+
+    printf("Error: Wally_init failed: %d\n",lw_response);
+    exit(-1);
+    
+  }
+
+  /* 2. Generate Entropy */
+
+  unsigned char entropy[16];  
+  randombytes_buf(entropy, 16);
+  
+  /* 3. Translate into Mnemonic */
+
+  char *mnem = NULL;
+  lw_response = bip39_mnemonic_from_bytes(NULL,entropy,16,&mnem);
+
+  if (lw_response) {
+
+    printf("Error: bip39_mnemonic_from_bytes failed: %d\n",lw_response);
+    exit(-1);
+    
+  }
+  
+  printf("Mnemonic: %s\n",mnem);
+
+  /* 4. Validate the Mnemonic */
+
+  lw_response = bip39_mnemonic_validate(NULL,mnem);
+  
+  if (lw_response) {
+
+    printf("Error: Mnemonic did not validate: %d\n",lw_response);
+    exit(-1);
+
+  } else {
+
+    printf("Mnemonic validated!\n");
+
+  }
+      
+  /* 5. Translate into Seed */
+
+  size_t seed_len;
+  unsigned char *seed;
+  
+  lw_response = bip39_mnemonic_to_seed(mnem,NULL,seed,BIP39_SEED_LEN_512,&seed_len);
+
+    if (lw_response) {
+
+    printf("Error: bip39_mnemonic_to_seed failed: %d\n",lw_response);
+    exit(-1);
+    
+  }
+
+  
+}