* Rename SARC4 to ARC4.

--HG--
branch : trunk

src/server/shared/Cryptography/ARC4.cpp

@@ -19,14 +19,14 @@
 #include "ARC4.h"
 #include <openssl/sha.h>
 
-SARC4::SARC4(uint8 len)
+ARC4::ARC4(uint8 len)
 {
     EVP_CIPHER_CTX_init(&m_ctx);
     EVP_EncryptInit_ex(&m_ctx, EVP_rc4(), NULL, NULL, NULL);
     EVP_CIPHER_CTX_set_key_length(&m_ctx, len);
 }
 
-SARC4::SARC4(uint8 *seed, uint8 len)
+ARC4::ARC4(uint8 *seed, uint8 len)
 {
     EVP_CIPHER_CTX_init(&m_ctx);
     EVP_EncryptInit_ex(&m_ctx, EVP_rc4(), NULL, NULL, NULL);
@@ -34,17 +34,17 @@ SARC4::SARC4(uint8 *seed, uint8 len)
     EVP_EncryptInit_ex(&m_ctx, NULL, NULL, seed, NULL);
 }
 
-SARC4::~SARC4()
+ARC4::~ARC4()
 {
     EVP_CIPHER_CTX_cleanup(&m_ctx);
 }
 
-void SARC4::Init(uint8 *seed)
+void ARC4::Init(uint8 *seed)
 {
     EVP_EncryptInit_ex(&m_ctx, NULL, NULL, seed, NULL);
 }
 
-void SARC4::UpdateData(int len, uint8 *data)
+void ARC4::UpdateData(int len, uint8 *data)
 {
     int outlen = 0;
     EVP_EncryptUpdate(&m_ctx, data, &outlen, data, len);

src/server/shared/Cryptography/ARC4.h

@@ -22,15 +22,16 @@
 #include "Common.h"
 #include <openssl/evp.h>
 
-class SARC4
+class ARC4
 {
     public:
-        SARC4(uint8 len);
-        SARC4(uint8 *seed, uint8 len);
-        ~SARC4();
+        ARC4(uint8 len);
+        ARC4(uint8 *seed, uint8 len);
+        ~ARC4();
         void Init(uint8 *seed);
         void UpdateData(int len, uint8 *data);
     private:
         EVP_CIPHER_CTX m_ctx;
 };
+
 #endif

src/server/shared/Cryptography/Authentication/AuthCrypt.cpp

@@ -43,13 +43,13 @@ void AuthCrypt::Init(BigNumber *K)
     HmacHash clientDecryptHmac(SEED_KEY_SIZE, (uint8*)ServerDecryptionKey);
     uint8 *decryptHash = clientDecryptHmac.ComputeHash(K);
 
-    //SARC4 _serverDecrypt(encryptHash);
+    //ARC4 _serverDecrypt(encryptHash);
     _clientDecrypt.Init(decryptHash);
     _serverEncrypt.Init(encryptHash);
-    //SARC4 _clientEncrypt(decryptHash);
+    //ARC4 _clientEncrypt(decryptHash);
 
+    // Drop first 1024 bytes, as WoW uses ARC4-drop1024.
     uint8 syncBuf[1024];
-
     memset(syncBuf, 0, 1024);
 
     _serverEncrypt.UpdateData(1024, syncBuf);

src/server/shared/Cryptography/Authentication/AuthCrypt.h

@@ -39,8 +39,8 @@ class AuthCrypt
         bool IsInitialized() { return _initialized; }
 
     private:
-        SARC4 _clientDecrypt;
-        SARC4 _serverEncrypt;
+        ARC4 _clientDecrypt;
+        ARC4 _serverEncrypt;
         bool _initialized;
 };
 #endif