freebsd-ports/archivers/libunrar/files/patch-rijndael.cpp
Jason E. Hale bc8993b85b archivers/libunrar6: Move to archivers/libunrar
Unversion archivers/libunrar6 now that this is the only version
of libunrar in the ports tree.
2023-06-21 01:30:20 -04:00

136 lines
3.4 KiB
C++

--- rijndael.cpp.orig 2023-01-17 16:25:54 UTC
+++ rijndael.cpp
@@ -3,6 +3,8 @@
**************************************************************************/
#include "rar.hpp"
+#ifndef OPENSSL_AES
+
#ifdef USE_SSE
#include <wmmintrin.h>
#endif
@@ -75,6 +77,7 @@ inline void Copy128(byte *dest,const byte *src)
#endif
}
+#endif // OPENSSL_AES
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// API
@@ -82,14 +85,41 @@ inline void Copy128(byte *dest,const byte *src)
Rijndael::Rijndael()
{
+#ifndef OPENSSL_AES
if (S5[0]==0)
GenerateTables();
+#endif // OPENSSL_AES
CBCMode = true; // Always true for RAR.
}
void Rijndael::Init(bool Encrypt,const byte *key,uint keyLen,const byte * initVector)
{
+#ifdef OPENSSL_AES
+ const EVP_CIPHER *cipher;
+ switch(keyLen)
+ {
+ case 128:
+ cipher = EVP_aes_128_cbc();
+ break;
+ case 192:
+ cipher = EVP_aes_192_cbc();
+ break;
+ case 256:
+ cipher = EVP_aes_256_cbc();
+ break;
+ }
+
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+ EVP_CIPHER_CTX_init(&ctx);
+ EVP_CipherInit_ex(&ctx, cipher, NULL, key, initVector, Encrypt);
+ EVP_CIPHER_CTX_set_padding(&ctx, 0);
+#else
+ EVP_CIPHER_CTX_init(ctx);
+ EVP_CipherInit_ex(ctx, cipher, NULL, key, initVector, Encrypt);
+ EVP_CIPHER_CTX_set_padding(ctx, 0);
+#endif
+#else // OPENSSL_AES
// Check SIMD here instead of constructor, so if object is a part of some
// structure memset'ed before use, these variables are not lost.
#if defined(USE_SSE)
@@ -141,6 +171,7 @@ void Rijndael::Init(bool Encrypt,const byte *key,uint
if(!Encrypt)
keyEncToDec();
+#endif // OPENSSL_AES
}
@@ -149,6 +180,15 @@ void Rijndael::blockEncrypt(const byte *input,size_t i
if (inputLen <= 0)
return;
+#ifdef OPENSSL_AES
+ int outLen;
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+ EVP_CipherUpdate(&ctx, outBuffer, &outLen, input, inputLen);
+#else
+ EVP_CipherUpdate(ctx, outBuffer, &outLen, input, inputLen);
+#endif
+ return;
+#else // OPENSSL_AES
size_t numBlocks = inputLen/16;
#if defined(USE_SSE)
if (AES_NI)
@@ -213,6 +253,7 @@ void Rijndael::blockEncrypt(const byte *input,size_t i
input += 16;
}
Copy128(m_initVector,prevBlock);
+#endif // OPENSSL_AES
}
@@ -288,6 +329,15 @@ void Rijndael::blockDecrypt(const byte *input, size_t
if (inputLen <= 0)
return;
+#ifdef OPENSSL_AES
+ int outLen;
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+ EVP_CipherUpdate(&ctx, outBuffer, &outLen, input, inputLen);
+#else
+ EVP_CipherUpdate(ctx, outBuffer, &outLen, input, inputLen);
+#endif
+ return;
+#else // OPENSSL_AES
size_t numBlocks=inputLen/16;
#if defined(USE_SSE)
if (AES_NI)
@@ -356,6 +406,8 @@ void Rijndael::blockDecrypt(const byte *input, size_t
}
memcpy(m_initVector,iv,16);
+
+#endif // OPENSSL_AES
}
@@ -426,7 +478,7 @@ void Rijndael::blockDecryptNeon(const byte *input, siz
}
#endif
-
+#ifndef OPENSSL_AES
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// ALGORITHM
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -555,7 +607,7 @@ void Rijndael::GenerateTables()
U1[b][0]=U2[b][1]=U3[b][2]=U4[b][3]=T5[I][0]=T6[I][1]=T7[I][2]=T8[I][3]=gmul(b,0xe);
}
}
-
+#endif // OPENSSL_AES
#if 0
static void TestRijndael();