From 7aaad6943c9cb89f11202ac600cd5b77f2d4d6df Mon Sep 17 00:00:00 2001
From: malloc <aleco@aroltd.com>
Date: Wed, 14 Mar 2018 23:01:24 -0500
Subject: [PATCH] nothing else tonight

---
 server/CMakeLists.txt      |  2 +-
 server/src/crypto/sha1.cpp | 47 +++++++++++++++++++++++++++++++-------
 server/src/main.cpp        |  3 ++-
 server/src/sock/packet.cpp |  4 ++++
 4 files changed, 46 insertions(+), 10 deletions(-)

diff --git a/server/CMakeLists.txt b/server/CMakeLists.txt
index f074636..d2d07d5 100644
--- a/server/CMakeLists.txt
+++ b/server/CMakeLists.txt
@@ -20,4 +20,4 @@ else()
     target_link_libraries(server pthread socket nsl resolv)
 endif()
 
-install(TARGETS server RUNTIME DESTINATION bin)  
+install(TARGETS server RUNTIME DESTINATION bin)
diff --git a/server/src/crypto/sha1.cpp b/server/src/crypto/sha1.cpp
index dab5018..1100e65 100644
--- a/server/src/crypto/sha1.cpp
+++ b/server/src/crypto/sha1.cpp
@@ -2,6 +2,17 @@
 
 #define SHA1_BLOCK_SIZE 64
 
+#undef A
+#define A 0
+#undef B
+#define B 1
+#undef C
+#define C 2
+#undef D
+#define D 3
+#undef E
+#define E 4
+
 static inline uint32_t Z(uint32_t x, uint32_t y) {
     return x + y;
 }
@@ -12,17 +23,17 @@ static inline uint32_t S(uint32_t X, uint8_t n) {
 }
 
 static uint32_t f
-    (uint8_t t, uint32_t B, uint32_t C, uint32_t D)
+    (uint8_t t, uint32_t b, uint32_t c, uint32_t d)
 {
     t = t % 80;
     if(t <= 19)
-        return (B & C) | (~B & D);
+        return (b & c) | (~b & d);
     else if(t >= 20 && t <= 39)
-        return B ^ C ^ D;
+        return b ^ c ^ d;
     else if(t >= 40 && t <= 59)
-        return (B & C) | (B & D) | (C & D);
+        return (b & c) | (b & d) | (c & d);
     else
-        return B ^ C ^ D;
+        return b ^ c ^ d;
 }
 
 static uint32_t K(uint8_t t) {
@@ -58,16 +69,36 @@ std::string sosc::cgc::sha1(const std::string& data) {
         0x98BADCFE,
         0x10325476,
         0xC3D2E1F0
-    }, W[80], A, B, C, D, E;
+    }, W[80], T, O[5];
     
     for(int i = 0; i < data.length() + padding.length(); i += SHA1_BLOCK_SIZE) 
     {
         for(int j = 0; j < 16; ++j) {
             W[j] = 0;
             for(int k = 0; k < 4; ++k) {
-                if(i + j + k < data.length())
-                    W[j] |= (data[i + j + k]
+                W[j] |= (((i + j + k < data.length()) 
+                    ? data : padding)[i + j + k] >> (8 * (3 - i))) & 0xFF;
             }
         }
+        
+        for(int j = 16; j < 80; ++j)
+            W[j] = S(W[j - 3] ^ W[j - 8] ^ W[j - 14] ^ W[j - 16], 1);
+        
+        for(int j = 0; j < 5; ++j)
+            O[j] = H[j];
+        
+        for(int j = 0; j < 80; ++j) {
+            T = S(O[A], 5) + f(j, O[B], O[C], O[D]) + O[E] + W[j] + K(j); 
+            O[E] = O[D];
+            O[D] = O[C];
+            O[C] = S(O[B], 30);
+            O[B] = O[A];
+            O[A] = T;
+        }
+        
+        for(int j = 0; j < 5; ++j)
+            H[j] += O[j];
     }
+    
+    return "";
 }
diff --git a/server/src/main.cpp b/server/src/main.cpp
index 6691e29..063bf1d 100644
--- a/server/src/main.cpp
+++ b/server/src/main.cpp
@@ -5,6 +5,7 @@
 #include "utils/net.hpp"
 #include "utils/time.hpp"
 #include "sock/tcpsock.hpp"
+#include "crypto/sha1.hpp"
 
 int main(int argc, char **argv) {
     //auto sock = sosc::TcpClient();
@@ -28,7 +29,7 @@ int main(int argc, char **argv) {
             std::cout << got << std::endl;
     }*/
     
-    
+    std::string a = sosc::cgc::sha1("test");
     
     return 0;
 }
diff --git a/server/src/sock/packet.cpp b/server/src/sock/packet.cpp
index 5474b9a..1fceb3c 100644
--- a/server/src/sock/packet.cpp
+++ b/server/src/sock/packet.cpp
@@ -133,3 +133,7 @@ bool sosc::Packet::Check(int region_count, ...) {
     
     return true;
 }
+
+std::string sosc::Packet::ToString() const {
+    return "TODO";
+}