From: CryptoManiac <CryptoManiac@users.noreply.github.com>
Date: Sat, 12 Mar 2016 22:43:37 +0000 (+0300)
Subject: Merge pull request #288 from svost/patch
X-Git-Tag: nvc-v0.5.6~10
X-Git-Url: https://git.novaco.in/?p=novacoin.git;a=commitdiff_plain;h=fd7b67828ddfb69d1c42dd969b807b74790b7260;hp=ac3971a70f7f73b2c30f266f97a9abf91a412fa5

Merge pull request #288 from svost/patch

Patch
---

diff --git a/src/ecies.cpp b/src/ecies.cpp
index 39fe2d7..3f8eaf7 100644
--- a/src/ecies.cpp
+++ b/src/ecies.cpp
@@ -556,12 +556,18 @@ unsigned char * ecies_decrypt(const ies_ctx_t *ctx, const cryptogram_t *cryptogr
 
 ies_ctx_t *create_context(EC_KEY *user_key)
 {
-    ies_ctx_t* ctx = (ies_ctx_t*) malloc(sizeof(ies_ctx_t));
-    ctx->cipher = EVP_aes_128_cbc();
-    ctx->md = EVP_sha1();
-    ctx->kdf_md = EVP_sha1();
-    ctx->stored_key_length = 33;
-    ctx->user_key = user_key;
-
-    return ctx;
-}
+    try {
+      ies_ctx_t* ctx = new ies_ctx_t;
+      ctx->cipher = EVP_aes_128_cbc();
+      ctx->md = EVP_sha1();
+      ctx->kdf_md = EVP_sha1();
+      ctx->stored_key_length = 33;
+      ctx->user_key = user_key;
+      return ctx;
+    }
+    catch (const std::bad_alloc& e) {
+      printf("Error: %s in %s:%d\n", e.what(), __FILE__, __LINE__);
+// TODO: add checking to NULL where necessary
+      return NULL;
+    }
+}
\ No newline at end of file
diff --git a/src/key.cpp b/src/key.cpp
index 49868b8..2232324 100644
--- a/src/key.cpp
+++ b/src/key.cpp
@@ -1202,7 +1202,7 @@ void CKey::EncryptData(const std::vector<unsigned char>& data, std::vector<unsig
 
     cryptogram = ecies_encrypt(ctx, (unsigned char*)&data[0], data.size(), error);
     if (cryptogram == NULL) {
-        free(ctx);
+        delete ctx;
         ctx = NULL;
         throw key_error(std::string("Error in encryption: %s") + error);
     }
@@ -1211,7 +1211,7 @@ void CKey::EncryptData(const std::vector<unsigned char>& data, std::vector<unsig
     unsigned char *key_data = cryptogram_key_data(cryptogram);
     memcpy(&encrypted[0], key_data, encrypted.size());
     cryptogram_free(cryptogram);
-    free(ctx);
+    delete ctx;
 }
 
 void CKey::DecryptData(const std::vector<unsigned char>& encrypted, std::vector<unsigned char>& data)
@@ -1234,7 +1234,7 @@ void CKey::DecryptData(const std::vector<unsigned char>& encrypted, std::vector<
 
     decrypted = ecies_decrypt(ctx, cryptogram, &length, error);
     cryptogram_free(cryptogram);
-    free(ctx);
+    delete ctx;
 
     if (decrypted == NULL) {
         throw key_error(std::string("Error in decryption: %s") + error);
@@ -1243,4 +1243,4 @@ void CKey::DecryptData(const std::vector<unsigned char>& encrypted, std::vector<
     data.resize(length);
     memcpy(&data[0], decrypted, length);
     free(decrypted);
-}
+}
\ No newline at end of file
diff --git a/src/serialize.h b/src/serialize.h
index 0e2fa9d..8305dd0 100644
--- a/src/serialize.h
+++ b/src/serialize.h
@@ -56,9 +56,9 @@ enum
     SER_DISK            = (1 << 1),
     SER_GETHASH         = (1 << 2),
 
-	 // modifiers
-	 SER_SKIPSIG = (1 << 16),
-	 SER_BLOCKHEADERONLY = (1 << 17)
+    // modifiers
+    SER_SKIPSIG         = (1 << 16),
+    SER_BLOCKHEADERONLY = (1 << 17)
 
 };