chore: initial commit (extracted from Launchers monorepo)

Plugin: ns7zip v2.0.0 Architectures: x86-ansi, x86-unicode, amd64-unicode License: LGPL-2.1-or-later
2026-04-29 14:07:51 +02:00
commit d074cc7c07
3848 changed files with 1076682 additions and 0 deletions
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+// HmacSha1.cpp
+
+#include "StdAfx.h"
+
+#include <string.h>
+
+#include "../../../C/CpuArch.h"
+
+#include "HmacSha1.h"
+
+namespace NCrypto {
+namespace NSha1 {
+
+void CHmac::SetKey(const Byte *key, size_t keySize)
+{
+  MY_ALIGN (16)
+  UInt32 temp[SHA1_NUM_BLOCK_WORDS];
+  size_t i;
+  
+  for (i = 0; i < SHA1_NUM_BLOCK_WORDS; i++)
+    temp[i] = 0;
+  
+  if (keySize > kBlockSize)
+  {
+    _sha.Init();
+    _sha.Update(key, keySize);
+    _sha.Final((Byte *)temp);
+  }
+  else
+    memcpy(temp, key, keySize);
+  
+  for (i = 0; i < SHA1_NUM_BLOCK_WORDS; i++)
+    temp[i] ^= 0x36363636;
+  
+  _sha.Init();
+  _sha.Update((const Byte *)temp, kBlockSize);
+  
+  for (i = 0; i < SHA1_NUM_BLOCK_WORDS; i++)
+    temp[i] ^= 0x36363636 ^ 0x5C5C5C5C;
+
+  _sha2.Init();
+  _sha2.Update((const Byte *)temp, kBlockSize);
+}
+
+
+void CHmac::Final(Byte *mac)
+{
+  _sha.Final(mac);
+  _sha2.Update(mac, kDigestSize);
+  _sha2.Final(mac);
+}
+
+
+void CHmac::GetLoopXorDigest1(void *mac, UInt32 numIteration)
+{
+  MY_ALIGN (16)  UInt32 block [SHA1_NUM_BLOCK_WORDS];
+  MY_ALIGN (16)  UInt32 block2[SHA1_NUM_BLOCK_WORDS];
+  MY_ALIGN (16)  UInt32 mac2  [SHA1_NUM_BLOCK_WORDS];
+  
+  _sha. PrepareBlock((Byte *)block,  SHA1_DIGEST_SIZE);
+  _sha2.PrepareBlock((Byte *)block2, SHA1_DIGEST_SIZE);
+
+  block[0] = ((const UInt32 *)mac)[0];
+  block[1] = ((const UInt32 *)mac)[1];
+  block[2] = ((const UInt32 *)mac)[2];
+  block[3] = ((const UInt32 *)mac)[3];
+  block[4] = ((const UInt32 *)mac)[4];
+
+  mac2[0] = block[0];
+  mac2[1] = block[1];
+  mac2[2] = block[2];
+  mac2[3] = block[3];
+  mac2[4] = block[4];
+
+  for (UInt32 i = 0; i < numIteration; i++)
+  {
+    _sha. GetBlockDigest((const Byte *)block,  (Byte *)block2);
+    _sha2.GetBlockDigest((const Byte *)block2, (Byte *)block);
+
+    mac2[0] ^= block[0];
+    mac2[1] ^= block[1];
+    mac2[2] ^= block[2];
+    mac2[3] ^= block[3];
+    mac2[4] ^= block[4];
+  }
+
+  ((UInt32 *)mac)[0] = mac2[0];
+  ((UInt32 *)mac)[1] = mac2[1];
+  ((UInt32 *)mac)[2] = mac2[2];
+  ((UInt32 *)mac)[3] = mac2[3];
+  ((UInt32 *)mac)[4] = mac2[4];
+}
+
+}}