Clean: replace magic values with define

LedgerHQ · Feb 21, 2024 · 1989a25 · 1989a25
1 parent ec660c5
commit 1989a25
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Showing 12 changed files with 189 additions and 185 deletions.
diff --git a/src/monero_api.h b/src/monero_api.h
@@ -134,8 +134,8 @@ void display_account(void);
 /* ----------------------------------------------------------------------- */
 /* ---                          KEYS & ADDRESS                        ---- */
 /* ----------------------------------------------------------------------- */
-extern const unsigned char C_FAKE_SEC_VIEW_KEY[32];
-extern const unsigned char C_FAKE_SEC_SPEND_KEY[32];
+extern const unsigned char C_FAKE_SEC_VIEW_KEY[KEY_SIZE];
+extern const unsigned char C_FAKE_SEC_SPEND_KEY[KEY_SIZE];
 
 int is_fake_view_key(unsigned char *s);
 int is_fake_spend_key(unsigned char *s);

diff --git a/src/monero_blind.c b/src/monero_blind.c
@@ -28,10 +28,10 @@
 int monero_apdu_blind() {
     unsigned char v[32];
     unsigned char k[32];
-    unsigned char AKout[32];
+    unsigned char AKout[KEY_SIZE];
     int err = 0;
 
-    err = monero_io_fetch_decrypt(AKout, 32, TYPE_AMOUNT_KEY);
+    err = monero_io_fetch_decrypt(AKout, KEY_SIZE, TYPE_AMOUNT_KEY);
     if (err) {
         return err;
     }
@@ -132,10 +132,10 @@ int monero_unblind(unsigned char *v, unsigned char *k, unsigned char *AKout,
 int monero_apdu_unblind() {
     unsigned char v[32];
     unsigned char k[32];
-    unsigned char AKout[32];
+    unsigned char AKout[KEY_SIZE];
     int err = 0;
 
-    err = monero_io_fetch_decrypt(AKout, 32, TYPE_AMOUNT_KEY);
+    err = monero_io_fetch_decrypt(AKout, KEY_SIZE, TYPE_AMOUNT_KEY);
     if (err) {
         return err;
     }
@@ -162,10 +162,10 @@ int monero_apdu_unblind() {
 /* ----------------------------------------------------------------------- */
 int monero_apdu_gen_commitment_mask() {
     unsigned char k[32];
-    unsigned char AKout[32];
+    unsigned char AKout[KEY_SIZE];
     int err = 0;
 
-    err = monero_io_fetch_decrypt(AKout, 32, TYPE_AMOUNT_KEY);
+    err = monero_io_fetch_decrypt(AKout, KEY_SIZE, TYPE_AMOUNT_KEY);
     if (err) {
         return err;
     }

diff --git a/src/monero_crypto.c b/src/monero_crypto.c
@@ -59,25 +59,25 @@ unsigned char const C_EIGHT[32] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0
 /* ---                                                                 --- */
 /* ----------------------------------------------------------------------- */
 int monero_aes_derive(cx_aes_key_t *sk, unsigned char *seed32, unsigned char *a, unsigned char *b) {
-    unsigned char h1[32];
+    unsigned char h1[KEY_SIZE];
     int error;
 
     error = monero_keccak_init_H();
     if (error) {
         return error;
     }
 
-    error = monero_keccak_update_H(seed32, 32);
+    error = monero_keccak_update_H(seed32, KEY_SIZE);
     if (error) {
         return error;
     }
 
-    error = monero_keccak_update_H(a, 32);
+    error = monero_keccak_update_H(a, KEY_SIZE);
     if (error) {
         return error;
     }
 
-    error = monero_keccak_update_H(b, 32);
+    error = monero_keccak_update_H(b, KEY_SIZE);
     if (error) {
         return error;
     }
@@ -87,7 +87,7 @@ int monero_aes_derive(cx_aes_key_t *sk, unsigned char *seed32, unsigned char *a,
         return error;
     }
 
-    error = monero_keccak_H(h1, 32, h1);
+    error = monero_keccak_H(h1, KEY_SIZE, h1);
     if (error) {
         return error;
     }

diff --git a/src/monero_init.c b/src/monero_init.c
@@ -27,10 +27,10 @@
 /* ----------------------*/
 const unsigned char C_MAGIC[8] = {'M', 'O', 'N', 'E', 'R', 'O', 'H', 'W'};
 
-const unsigned char C_FAKE_SEC_VIEW_KEY[32] = {
+const unsigned char C_FAKE_SEC_VIEW_KEY[KEY_SIZE] = {
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
-const unsigned char C_FAKE_SEC_SPEND_KEY[32] = {
+const unsigned char C_FAKE_SEC_SPEND_KEY[KEY_SIZE] = {
     0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
     0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
 
@@ -72,7 +72,7 @@ unsigned int monero_init() {
 int monero_init_private_key(void) {
     unsigned int path[5];
     unsigned char seed[64];
-    unsigned char chain[32];
+    unsigned char chain[KEY_SIZE];
     int error;
 
     // generate account keys
@@ -91,7 +91,7 @@ int monero_init_private_key(void) {
     switch (N_monero_pstate->key_mode) {
         case KEY_MODE_SEED:
 
-            error = monero_keccak_F(seed, 32, G_monero_vstate.b);
+            error = monero_keccak_F(seed, KEY_SIZE, G_monero_vstate.b);
             if (error) {
                 return error;
             }
@@ -102,7 +102,7 @@ int monero_init_private_key(void) {
                 return error;
             }
 
-            error = monero_keccak_F(G_monero_vstate.b, 32, G_monero_vstate.a);
+            error = monero_keccak_F(G_monero_vstate.b, KEY_SIZE, G_monero_vstate.a);
             if (error) {
                 return error;
             }
@@ -115,8 +115,8 @@ int monero_init_private_key(void) {
             break;
 
         case KEY_MODE_EXTERNAL:
-            memcpy(G_monero_vstate.a, (void*)N_monero_pstate->a, 32);
-            memcpy(G_monero_vstate.b, (void*)N_monero_pstate->b, 32);
+            memcpy(G_monero_vstate.a, (void*)N_monero_pstate->a, KEY_SIZE);
+            memcpy(G_monero_vstate.b, (void*)N_monero_pstate->b, KEY_SIZE);
             break;
 
         default: