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cryptopp使用Qt mingw编译，以及海思平台交叉编译
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编译工程生成，使用qmake生成qt工程文件（海思平台时，要用海思平台的qmake），将
TEMPLATE = app
修改为：
TEMPLATE = lib
添加如下：
win32:LIBS += -lws2_32 #windows下用的
QMAKE_CXXFLAGS += -msse4 -maes -mpclmul -msha
在windows下，用mingw
windows下编译好之后，头文件放入到mingw的include里，如下路径：
D:\Qt\Qt5.12.6\5.12.6\mingw73_32\include
libcryptopp.a要放在如下目录里：
D:\Qt\Qt5.12.6\Tools\mingw730_32\lib
海思的库文件和头文件编译好之后，可以放入到编译器的安装目录下（我用的是静态库）：
/opt/hisi-linux/x86-arm/arm-hisiv500-linux/target/usr
这个目录下的include和lib下面
windows下编译没有遇到问题，直接可以编译通过，下面都是海思编译器交叉编译的问题：
-----------------------------------------------------------------------------------------------------
1.编译错误1
arm-hisiv500-linux-g++ -c -pipe -msse4 -maes -mpclmul -msha -O2 -std=gnu++11 -Wall -W -D_REENTRANT -fPIC -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB -I../../cryptopp800 -I. -I../../cryptopp800 -I/opt/qt5.12-arm/include -I/opt/qt5.12-arm/include/QtGui -I/opt/qt5.12-arm/include/QtCore -I. -I/opt/qt5.12-arm/mkspecs/linux-hisiv500-g++ -o 3way.o ../3way.cpp
arm-hisiv500-linux-g++: error: unrecognized command line option ‘-msse4’
arm-hisiv500-linux-g++: error: unrecognized command line option ‘-maes’
arm-hisiv500-linux-g++: error: unrecognized command line option ‘-mpclmul’
arm-hisiv500-linux-g++: error: unrecognized command line option ‘-msha’
Makefile:1303: recipe for target '3way.o' failed
make: *** [3way.o] Error 1
原因：
海思编译器可能不支持-msse4 -maes -mpclmul -msha编译选项；
去掉这几项即可编译
-----------------------------------------------------------------------------------------------------
2.编译错误2
/opt/hisi-linux/x86-arm/arm-hisiv500-linux/lib/gcc/arm-hisiv500-linux-uclibcgnueabi/4.9.4/include/arm_neon.h:31:2: error: #error You must enable NEON instructions (e.g. -mfloat-abi=softfp -mfpu=neon) to use arm_neon.h
#error You must enable NEON instructions (e.g. -mfloat-abi=softfp -mfpu=neon) to use arm_neon.h
^
../aria_simd.cpp:66:34: error: ‘uint32x4_t’ does not name a type
inline void ARIA_GSRK_NEON(const uint32x4_t X, const uint32x4_t Y, byte RK[16])
^
../aria_simd.cpp:66:54: error: ‘uint32x4_t’ does not name a type
inline void ARIA_GSRK_NEON(const uint32x4_t X, const uint32x4_t Y, byte RK[16])
^
../aria_simd.cpp: In function ‘void CryptoPP::ARIA_UncheckedSetKey_Schedule_NEON(CryptoPP::byte*, CryptoPP::word32*, unsigned int)’:
../aria_simd.cpp:81:8: error: ‘uint32x4_t’ does not name a type
const uint32x4_t w0 = vld1q_u32(ws+ 0);
^
../aria_simd.cpp:82:8: error: ‘uint32x4_t’ does not name a type
const uint32x4_t w1 = vld1q_u32(ws+ 8);
^
../aria_simd.cpp:83:8: error: ‘uint32x4_t’ does not name a type
const uint32x4_t w2 = vld1q_u32(ws+12);
^
../aria_simd.cpp:84:8: error: ‘uint32x4_t’ does not name a type
const uint32x4_t w3 = vld1q_u32(ws+16);
^
../aria_simd.cpp:86:21: error: ‘w0’ was not declared in this scope
ARIA_GSRK_NEON<19>(w0, w1, rk + 0);
^
../aria_simd.cpp:86:25: error: ‘w1’ was not declared in this scope
ARIA_GSRK_NEON<19>(w0, w1, rk + 0);
^
../aria_simd.cpp:87:25: error: ‘w2’ was not declared in this scope
ARIA_GSRK_NEON<19>(w1, w2, rk + 16);
^
../aria_simd.cpp:88:25: error: ‘w3’ was not declared in this scope
ARIA_GSRK_NEON<19>(w2, w3, rk + 32);
^
../aria_simd.cpp: At global scope:
../aria_simd.cpp:79:59: warning: unused parameter ‘ws’ [-Wunused-parameter]
void ARIA_UncheckedSetKey_Schedule_NEON(byte* rk, word32* ws, unsigned int keylen)
^
../aria_simd.cpp: In function ‘void CryptoPP::ARIA_ProcessAndXorBlock_NEON(const byte*, CryptoPP::byte*, const byte*, CryptoPP::word32*)’:
../aria_simd.cpp:137:22: error: ‘vld1q_u8’ was not declared in this scope
vld1q_u8(xorBlock),
^
../aria_simd.cpp:140:31: error: ‘vrev32q_u8’ was not declared in this scope
vrev32q_u8(vld1q_u8((rk))))));
^
../aria_simd.cpp:140:32: error: ‘veorq_u8’ was not declared in this scope
vrev32q_u8(vld1q_u8((rk))))));
^
../aria_simd.cpp:140:33: error: ‘veorq_u8’ was not declared in this scope
vrev32q_u8(vld1q_u8((rk))))));
^
../aria_simd.cpp:140:33: error: redeclaration of ‘<typeprefixerror>veorq_u8’
../aria_simd.cpp:140:32: note: previous declaration ‘<typeprefixerror>veorq_u8’
vrev32q_u8(vld1q_u8((rk))))));
^
../aria_simd.cpp:140:34: error: ‘vst1q_u8’ was not declared in this scope
vrev32q_u8(vld1q_u8((rk))))));
^
../aria_simd.cpp:146:22: error: ‘vld1q_u8’ was not declared in this scope
vld1q_u8(outBlock),
^
../aria_simd.cpp:147:28: error: ‘vrev32q_u8’ was not declared in this scope
vrev32q_u8(vld1q_u8(rk))));
^
../aria_simd.cpp:147:29: error: ‘veorq_u8’ was not declared in this scope
vrev32q_u8(vld1q_u8(rk))));
^
../aria_simd.cpp:147:30: error: ‘vst1q_u8’ was not declared in this scope
vrev32q_u8(vld1q_u8(rk))));
^
Makefile:1378: recipe for target 'aria_simd.o' failed
make: *** [aria_simd.o] Error 1
原因：
Makefile中的加上-mfloat-abi=softfp -mfpu=neon编译选项：
CXXFLAGS = -pipe -O2 -std=gnu++11 -Wall -W -D_REENTRANT -fPIC $(DEFINES) -mfloat-abi=softfp -mfpu=neon
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3.问题3，这个是编译测试代码时的问题：
arm-hisiv500-linux-g++ -Wl,-O1 -Wl,-rpath,/opt/qt5.12-arm/lib -o ../bin/CerealApp temp/obj/harddriver.o temp/obj/main.o temp/obj/registerhandle.o temp/obj/moc_registerhandle.o -lcryptopp /opt/qt5.12-arm/lib/libQt5Charts.so /opt/qt5.12-arm/lib/libQt5Widgets.so /opt/qt5.12-arm/lib/libQt5Gui.so /opt/qt5.12-arm/lib/libQt5Network.so /opt/qt5.12-arm/lib/libQt5Sql.so /opt/qt5.12-arm/lib/libQt5SerialPort.so /opt/qt5.12-arm/lib/libQt5Core.so -lpthread
/opt/hisi-linux/x86-arm/arm-hisiv500-linux/bin/../target/usr/lib/libcryptopp.a(rijndael.o)：在函数‘CryptoPP::CRYPTOGAMS_set_encrypt_key(unsigned char const*, int, unsigned int*)’中：
rijndael.cpp:(.text+0x300)：对‘AES_set_encrypt_key’未定义的引用
/opt/hisi-linux/x86-arm/arm-hisiv500-linux/bin/../target/usr/lib/libcryptopp.a(rijndael.o)：在函数‘CryptoPP::CRYPTOGAMS_set_decrypt_key(unsigned char const*, int, unsigned int*)’中：
rijndael.cpp:(.text+0x304)：对‘AES_set_decrypt_key’未定义的引用
/opt/hisi-linux/x86-arm/arm-hisiv500-linux/bin/../target/usr/lib/libcryptopp.a(rijndael.o)：在函数‘CryptoPP::CRYPTOGAMS_encrypt(unsigned char const*, unsigned char const*, unsigned char*, unsigned int const*)’中：
rijndael.cpp:(.text+0x31c)：对‘AES_encrypt’未定义的引用
/opt/hisi-linux/x86-arm/arm-hisiv500-linux/bin/../target/usr/lib/libcryptopp.a(rijndael.o)：在函数‘CryptoPP::CRYPTOGAMS_decrypt(unsigned char const*, unsigned char const*, unsigned char*, unsigned int const*)’中：
rijndael.cpp:(.text+0xadc)：对‘AES_decrypt’未定义的引用
collect2: error: ld returned 1 exit status
Makefile:206: recipe for target '../bin/CerealApp' failed
make: *** [../bin/CerealApp] Error 1
问题原因是：
aes_armv4.S文件没有编译，在使用qmake生成工程文件时，该文件没有被加进去，
只需要在工程文件里的添加到source，然后重新执行qmake生成Makefile，再次编译没有问题了。
使用方法，核心代码：
//------------------------
// 生成RSA密钥对
//------------------------
void GenerateRSAKey(unsigned int keyLength, const char *privFilename, const char *pubFilename, const char *seed){
RandomPool randPool;
randPool.IncorporateEntropy((unsigned char *)seed, strlen(seed)); RSAES_OAEP_SHA_Decryptor priv(randPool, keyLength);
HexEncoder privFile(new FileSink(privFilename));
priv.AccessMaterial().Save(privFile);
privFile.MessageEnd(); RSAES_OAEP_SHA_Encryptor pub(priv);
HexEncoder pubFile(new FileSink(pubFilename));
pub.AccessMaterial().Save(pubFile);
pubFile.MessageEnd();
} //------------------------
// RSA加密
//------------------------
string RSAEncryptString(const char *pubFilename, const char *seed, const char *message){ FileSource pubFile(pubFilename, true, new HexDecoder);
RSAES_OAEP_SHA_Encryptor pub(pubFile); RandomPool randPool;
randPool.IncorporateEntropy((unsigned char *)seed, strlen(seed)); std::string result;
StringSource(message, true, new PK_EncryptorFilter(randPool, pub, new HexEncoder(new StringSink(result))));
return result;
} //------------------------
// RSA解密
//------------------------
string RSADecryptString(const char *privFilename, const char *ciphertext){
FileSource privFile(privFilename, true, new HexDecoder);
RSAES_OAEP_SHA_Decryptor priv(privFile); std::string result;
try{
StringSource(ciphertext, true,
new HexDecoder(new PK_DecryptorFilter(GlobalRNG(), priv, new StringSink(result))));
}
catch(const Exception &e)
{
std::cout << "\nException caught: " << e.what() << std::endl;
return "";
}
catch(const std::exception &e)
{
std::cout << "\nstd::exception caught: " << e.what() << std::endl;
return "";
}
// std::cout << "result: " << result<< std::endl; return result;
}
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