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 Android教程網 >> Android技術 >> 關於Android編程 >> ubuntu移植crypto++到Android平台

ubuntu移植crypto++到Android平台

編輯：關於Android編程

官方Wiki

Android_(Command_Line)">http://www.cryptopp.com/wiki/Android_(Command_Line)
這個移植比較簡單，官方直接就有文檔了，而且有現成的腳本。
setenv-android.sh

#!/usr/bin/env bash

# ====================================================================
# Sets the cross compile environment for Android
# Based upon OpenSSL's setenv-android.sh (by TH, JW, and SM).
#
# Crypto++ Library is copyrighted as a compilation and (as of version 5.6.2)
# licensed under the Boost Software License 1.0, while the individual files
# in the compilation are all public domain.
#
# See http://www.cryptopp.com/wiki/Android_(Command_Line) for more details
# ====================================================================

unset IS_CROSS_COMPILE

unset IS_IOS
unset IS_ANDROID
unset IS_ARM_EMBEDDED

unset AOSP_FLAGS
unset AOSP_SYSROOT
unset AOSP_STL_INC
unset AOSP_STL_LIB
unset AOSP_BITS_INC

# Set AOSP_TOOLCHAIN_SUFFIX to your preference of tools and STL library.
#   Note: 4.9 is required for the latest architectures, like ARM64/AARCH64.
# AOSP_TOOLCHAIN_SUFFIX=4.8
# AOSP_TOOLCHAIN_SUFFIX=4.9
if [ -z "$AOSP_TOOLCHAIN_SUFFIX" ]; then
    AOSP_TOOLCHAIN_SUFFIX=4.9
fi

# Set AOSP_API to the API you want to use. 'armeabi' and 'armeabi-v7a' need
#   API 3 (or above), 'mips' and 'x86' need API 9 (or above), etc.
# AOSP_API="android-3"     # Android 1.5 and above
# AOSP_API="android-4"     # Android 1.6 and above
# AOSP_API="android-5"     # Android 2.0 and above
# AOSP_API="android-8"     # Android 2.2 and above
# AOSP_API="android-9"     # Android 2.3 and above
# AOSP_API="android-14"    # Android 4.0 and above
# AOSP_API="android-18"    # Android 4.3 and above
# AOSP_API="android-19"    # Android 4.4 and above
# AOSP_API="android-21"    # Android 5.0 and above
# AOSP_API="android-23"    # Android 6.0 and above
if [ -z "$AOSP_API" ]; then
    AOSP_API="android-21"
fi

#####################################################################

# ANDROID_NDK_ROOT should always be set by the user (even when not running this script)
#   http://groups.google.com/group/android-ndk/browse_thread/thread/a998e139aca71d77.
# If the user did not specify the NDK location, try and pick it up. We expect something
#   like ANDROID_NDK_ROOT=/opt/android-ndk-r10e or ANDROID_NDK_ROOT=/usr/local/android-ndk-r10e.

export ANDROID_NDK_ROOT=/workspace/android-ndk-r10e

if [ -z "$ANDROID_NDK_ROOT" ]; then
    ANDROID_NDK_ROOT=$(find /opt -maxdepth 1 -type d -name android-ndk-r10* 2>/dev/null | tail -1)

    if [ -z "$ANDROID_NDK_ROOT" ]; then
        ANDROID_NDK_ROOT=$(find /usr/local -maxdepth 1 -type d -name android-ndk-r10* 2>/dev/null | tail -1)
    fi
    if [ -z "$ANDROID_NDK_ROOT" ]; then
        ANDROID_NDK_ROOT=$(find $HOME -maxdepth 1 -type d -name android-ndk-r10* 2>/dev/null | tail -1)
    fi
fi

# Error checking
if [ ! -d "$ANDROID_NDK_ROOT/toolchains" ]; then
    echo "ERROR: ANDROID_NDK_ROOT is not a valid path. Please set it."
    [ "$0" = "$BASH_SOURCE" ] && exit 1 || return 1
fi

#####################################################################

if [ "$#" -lt 1 ]; then
    THE_ARCH=armv7
else
    THE_ARCH=$(tr [A-Z] [a-z] <<< "$1")
fi

# https://developer.android.com/ndk/guides/abis.html
case "$THE_ARCH" in
  arm|armv5|armv6|armv7|armeabi)
    TOOLCHAIN_BASE="arm-linux-androideabi"
    TOOLNAME_BASE="arm-linux-androideabi"
    AOSP_ABI="armeabi"
    AOSP_ARCH="arch-arm"
    AOSP_FLAGS="-march=armv5te -mtune=xscale -mthumb -msoft-float -funwind-tables -fexceptions -frtti"
    ;;
  armv7a|armeabi-v7a)
    TOOLCHAIN_BASE="arm-linux-androideabi"
    TOOLNAME_BASE="arm-linux-androideabi"
    AOSP_ABI="armeabi-v7a"
    AOSP_ARCH="arch-arm"
    AOSP_FLAGS="-march=armv7-a -mthumb -mfpu=vfpv3-d16 -mfloat-abi=softfp -Wl,--fix-cortex-a8 -funwind-tables -fexceptions -frtti"
    ;;
  hard|armv7a-hard|armeabi-v7a-hard)
    TOOLCHAIN_BASE="arm-linux-androideabi"
    TOOLNAME_BASE="arm-linux-androideabi"
    AOSP_ABI="armeabi-v7a"
    AOSP_ARCH="arch-arm"
    AOSP_FLAGS="-mhard-float -D_NDK_MATH_NO_SOFTFP=1 -march=armv7-a -mfpu=vfpv3-d16 -mfloat-abi=softfp -Wl,--fix-cortex-a8 -funwind-tables -fexceptions -frtti -Wl,--no-warn-mismatch -Wl,-lm_hard"
    ;;
  neon|armv7a-neon)
    TOOLCHAIN_BASE="arm-linux-androideabi"
    TOOLNAME_BASE="arm-linux-androideabi"
    AOSP_ABI="armeabi-v7a"
    AOSP_ARCH="arch-arm"
    AOSP_FLAGS="-march=armv7-a -mfpu=vfpv3-d16 -mfloat-abi=softfp -Wl,--fix-cortex-a8 -funwind-tables -fexceptions -frtti"
    ;;
  armv8|armv8a|aarch64|arm64|arm64-v8a)
    TOOLCHAIN_BASE="aarch64-linux-android"
    TOOLNAME_BASE="aarch64-linux-android"
    AOSP_ABI="arm64-v8a"
    AOSP_ARCH="arch-arm64"
    AOSP_FLAGS="-funwind-tables -fexceptions -frtti"
    ;;
  mips|mipsel)
    TOOLCHAIN_BASE="mipsel-linux-android"
    TOOLNAME_BASE="mipsel-linux-android"
    AOSP_ABI="mips"
    AOSP_ARCH="arch-mips"
    AOSP_FLAGS="-funwind-tables -fexceptions -frtti"
    ;;
  mips64|mipsel64|mips64el)
    TOOLCHAIN_BASE="mips64el-linux-android"
    TOOLNAME_BASE="mips64el-linux-android"
    AOSP_ABI="mips64"
    AOSP_ARCH="arch-mips64"
    AOSP_FLAGS="-funwind-tables -fexceptions -frtti"
    ;;
  x86)
    TOOLCHAIN_BASE="x86"
    TOOLNAME_BASE="i686-linux-android"
    AOSP_ABI="x86"
    AOSP_ARCH="arch-x86"
    AOSP_FLAGS="-march=i686 -mtune=intel -mssse3 -mfpmath=sse -funwind-tables -fexceptions -frtti"
    ;;
  x86_64|x64)
    TOOLCHAIN_BASE="x86_64"
    TOOLNAME_BASE="x86_64-linux-android"
    AOSP_ABI="x86_64"
    AOSP_ARCH="arch-x86_64"
    AOSP_FLAGS="-march=x86-64 -msse4.2 -mpopcnt -mtune=intel -funwind-tables -fexceptions -frtti"
    ;;
  *)
    echo "ERROR: Unknown architecture $1"
    [ "$0" = "$BASH_SOURCE" ] && exit 1 || return 1
    ;;
esac

#####################################################################

# GNUmakefile-cross expects these to be set. They are also used in the tests below.
export IS_ANDROID=1
export AOSP_FLAGS

# TODO: for the previous GNUmakefile-cross. These can go away eventually.
export ANDROID_FLAGS=$AOSP_FLAGS

export CPP="$TOOLNAME_BASE-cpp"
export CC="$TOOLNAME_BASE-gcc"
export CXX="$TOOLNAME_BASE-g++"
export LD="$TOOLNAME_BASE-ld"
export AS="$TOOLNAME_BASE-as"
export AR="$TOOLNAME_BASE-ar"
export RANLIB="$TOOLNAME_BASE-ranlib"
export STRIP="$TOOLNAME_BASE-strip"

#####################################################################

# Based on ANDROID_NDK_ROOT, try and pick up the path for the tools. We expect something
# like /opt/android-ndk-r10e/toolchains/arm-linux-androideabi-4.7/prebuilt/linux-x86_64/bin
# Once we locate the tools, we add it to the PATH.
AOSP_TOOLCHAIN_PATH=""
for host in "linux-x86_64" "darwin-x86_64" "linux-x86" "darwin-x86"
do
    if [ -d "$ANDROID_NDK_ROOT/toolchains/$TOOLCHAIN_BASE-$AOSP_TOOLCHAIN_SUFFIX/prebuilt/$host/bin" ]; then
        AOSP_TOOLCHAIN_PATH="$ANDROID_NDK_ROOT/toolchains/$TOOLCHAIN_BASE-$AOSP_TOOLCHAIN_SUFFIX/prebuilt/$host/bin"
        break
    fi
done

# Error checking
if [ -z "$AOSP_TOOLCHAIN_PATH" ] || [ ! -d "$AOSP_TOOLCHAIN_PATH" ]; then
    echo "ERROR: AOSP_TOOLCHAIN_PATH is not valid. Please edit this script."
    [ "$0" = "$BASH_SOURCE" ] && exit 1 || return 1
fi

# Error checking
if [ ! -e "$AOSP_TOOLCHAIN_PATH/$CPP" ]; then
    echo "ERROR: Failed to find Android cpp. Please edit this script."
    [ "$0" = "$BASH_SOURCE" ] && exit 1 || return 1
fi

# Error checking
if [ ! -e "$AOSP_TOOLCHAIN_PATH/$CC" ]; then
    echo "ERROR: Failed to find Android gcc. Please edit this script."
    [ "$0" = "$BASH_SOURCE" ] && exit 1 || return 1
fi

if [ ! -e "$AOSP_TOOLCHAIN_PATH/$CXX" ]; then
    echo "ERROR: Failed to find Android g++. Please edit this script."
    [ "$0" = "$BASH_SOURCE" ] && exit 1 || return 1
fi

# Error checking
if [ ! -e "$AOSP_TOOLCHAIN_PATH/$RANLIB" ]; then
    echo "ERROR: Failed to find Android ranlib. Please edit this script."
    [ "$0" = "$BASH_SOURCE" ] && exit 1 || return 1
fi

# Error checking
if [ ! -e "$AOSP_TOOLCHAIN_PATH/$AR" ]; then
    echo "ERROR: Failed to find Android ar. Please edit this script."
    [ "$0" = "$BASH_SOURCE" ] && exit 1 || return 1
fi

# Error checking
if [ ! -e "$AOSP_TOOLCHAIN_PATH/$AS" ]; then
    echo "ERROR: Failed to find Android as. Please edit this script."
    [ "$0" = "$BASH_SOURCE" ] && exit 1 || return 1
fi

# Error checking
if [ ! -e "$AOSP_TOOLCHAIN_PATH/$LD" ]; then
    echo "ERROR: Failed to find Android ld. Please edit this script."
    [ "$0" = "$BASH_SOURCE" ] && exit 1 || return 1
fi

# Only modify/export PATH if AOSP_TOOLCHAIN_PATH good
if [ -d "$AOSP_TOOLCHAIN_PATH" ]; then

    # And only modify PATH if AOSP_TOOLCHAIN_PATH is not present
    LEN=${#AOSP_TOOLCHAIN_PATH}
    SUBSTR=${PATH:0:$LEN}
    if [ "$SUBSTR" != "$AOSP_TOOLCHAIN_PATH" ]; then
        export PATH="$AOSP_TOOLCHAIN_PATH":"$PATH"
    fi
fi

#####################################################################

# Error checking
if [ ! -d "$ANDROID_NDK_ROOT/platforms/$AOSP_API" ]; then
    echo "ERROR: AOSP_API is not valid. Does the NDK support the API? Please edit this script."
    [ "$0" = "$BASH_SOURCE" ] && exit 1 || return 1
elif [ ! -d "$ANDROID_NDK_ROOT/platforms/$AOSP_API/$AOSP_ARCH" ]; then
    echo "ERROR: AOSP_ARCH is not valid. Does the NDK support the architecture? Please edit this script."
    [ "$0" = "$BASH_SOURCE" ] && exit 1 || return 1
fi

# Android SYSROOT. It will be used on the command line with --sysroot
#   http://android.googlesource.com/platform/ndk/+/ics-mr0/docs/STANDALONE-TOOLCHAIN.html
export AOSP_SYSROOT="$ANDROID_NDK_ROOT/platforms/$AOSP_API/$AOSP_ARCH"

# TODO: export for the previous GNUmakefile-cross. These can go away eventually.
export ANDROID_SYSROOT=$AOSP_SYSROOT

#####################################################################

# Android STL. We support GNU, LLVM and STLport out of the box.

if [ "$#" -lt 2 ]; then
    THE_STL=stlport-shared
else
    THE_STL=$(tr [A-Z] [a-z] <<< "$2")
fi

case "$THE_STL" in
  stlport-static)
    AOSP_STL_INC="$ANDROID_NDK_ROOT/sources/cxx-stl/stlport/stlport/"
    AOSP_STL_LIB="$ANDROID_NDK_ROOT/sources/cxx-stl/stlport/libs/$AOSP_ABI/libstlport_static.a"
    ;;
  stlport|stlport-shared)
    AOSP_STL_INC="$ANDROID_NDK_ROOT/sources/cxx-stl/stlport/stlport/"
    AOSP_STL_LIB="$ANDROID_NDK_ROOT/sources/cxx-stl/stlport/libs/$AOSP_ABI/libstlport_shared.so"
    ;;
  gabi++-static|gnu-static)
    AOSP_STL_INC="$ANDROID_NDK_ROOT/sources/cxx-stl/gnu-libstdc++/$AOSP_TOOLCHAIN_SUFFIX/include"
    AOSP_BITS_INC="$ANDROID_NDK_ROOT/sources/cxx-stl/gnu-libstdc++/$AOSP_TOOLCHAIN_SUFFIX/libs/$AOSP_ABI/include"
    AOSP_STL_LIB="$ANDROID_NDK_ROOT/sources/cxx-stl/gnu-libstdc++/$AOSP_TOOLCHAIN_SUFFIX/libs/$AOSP_ABI/libgnustl_static.a"
    ;;
  gnu|gabi++|gnu-shared|gabi++-shared)
    AOSP_STL_INC="$ANDROID_NDK_ROOT/sources/cxx-stl/gnu-libstdc++/$AOSP_TOOLCHAIN_SUFFIX/include"
    AOSP_BITS_INC="$ANDROID_NDK_ROOT/sources/cxx-stl/gnu-libstdc++/$AOSP_TOOLCHAIN_SUFFIX/libs/$AOSP_ABI/include"
    AOSP_STL_LIB="$ANDROID_NDK_ROOT/sources/cxx-stl/gnu-libstdc++/$AOSP_TOOLCHAIN_SUFFIX/libs/$AOSP_ABI/libgnustl_shared.so"
    ;;
  llvm-static)
    AOSP_STL_INC="$ANDROID_NDK_ROOT/sources/cxx-stl/llvm-libc++/libcxx/include"
    AOSP_STL_LIB="$ANDROID_NDK_ROOT/sources/cxx-stl/llvm-libc++/libs/$AOSP_ABI/libc++_static.a"
    ;;
  llvm|llvm-shared)
    AOSP_STL_INC="$ANDROID_NDK_ROOT/sources/cxx-stl/llvm-libc++/libcxx/include"
    AOSP_STL_LIB="$ANDROID_NDK_ROOT/sources/cxx-stl/llvm-libc++/libs/$AOSP_ABI/libc++_shared.so"
    ;;
  *)
    echo "ERROR: Unknown STL library $2"
    [ "$0" = "$BASH_SOURCE" ] && exit 1 || return 1
esac

# Error checking
if [ ! -d "$AOSP_STL_INC" ] || [ ! -e "$AOSP_STL_INC/memory" ]; then
    echo "ERROR: AOSP_STL_INC is not valid. Please edit this script."
    [ "$0" = "$BASH_SOURCE" ] && exit 1 || return 1
fi

# Error checking
if [ ! -e "$AOSP_STL_LIB" ]; then
    echo "ERROR: AOSP_STL_LIB is not valid. Please edit this script."
    [ "$0" = "$BASH_SOURCE" ] && exit 1 || return 1
fi

export AOSP_STL_INC
export AOSP_STL_LIB

# TODO: for the previous GNUmakefile-cross. These can go away eventually.
export ANDROID_STL_INC=$AOSP_STL_INC
export ANDROID_STL_LIB=$AOSP_STL_LIB

if [ ! -z "$AOSP_BITS_INC" ]; then
    export AOSP_BITS_INC
fi

#####################################################################

VERBOSE=1
if [ ! -z "$VERBOSE" ] && [ "$VERBOSE" != "0" ]; then
  echo "ANDROID_NDK_ROOT: $ANDROID_NDK_ROOT"
  echo "AOSP_TOOLCHAIN_PATH: $AOSP_TOOLCHAIN_PATH"
  echo "AOSP_ABI: $AOSP_ABI"  
  echo "AOSP_API: $AOSP_API"
  echo "AOSP_SYSROOT: $AOSP_SYSROOT"
  echo "AOSP_FLAGS: $AOSP_FLAGS"
  echo "AOSP_STL_INC: $AOSP_STL_INC"
  echo "AOSP_STL_LIB: $AOSP_STL_LIB"
  if [ ! -z "$AOSP_BITS_INC" ]; then
    echo "AOSP_BITS_INC: $AOSP_BITS_INC"
  fi
fi

[ "$0" = "$BASH_SOURCE" ] && exit 0 || return 0

將ANDROID_NDK_ROOT改成自己本機上的
有兩個參數

armeabi
armeabi-v7a
armeabi-v7a-hard
arm64-v8a
mips
mips64
x86
x86_64

第二個參數

stlport (shared)
stlport-static
stlport-shared
gnu (shared)
gnu-static
gnu-shared

生成動態庫和靜態庫

make -f GNUmakefile-cross static dynamic

最後官方的腳本
build-all-android.sh

#!/bin/bash

for arch in armeabi armeabi-v7a armeabi-v7a-hard arm64-v8a mips mips64 x86 x86_64
do
    . ./setenv-android.sh $arch stlport
    if [ "$?" -eq "0" ]; then
        make -f GNUmakefile-cross distclean
        make -f GNUmakefile-cross static dynamic
        sudo make -f GNUmakefile-cross install PREFIX=/usr/local/cryptopp/android-$arch
    fi
done

直接編譯生成即可
在/usr/local/cryptopp
ubuntu移植crypto++到Android平台0

 

測試一下

新建JNI目錄
將libcryptopp.a和include目錄復制進去
新建Android.mk

LOCAL_PATH := $(call my-dir)

include $(CLEAR_VARS)

LOCAL_MODULE    := cryptopp  
LOCAL_SRC_FILES := libcryptopp.a
include $(PREBUILT_STATIC_LIBRARY)  

include $(CLEAR_VARS)
LOCAL_MODULE    := main
LOCAL_C_INCLUDES  := $(LOCAL_PATH)/include
LOCAL_SRC_FILES := main.cpp
LOCAL_CPPFLAGS := -fexceptions
LOCAL_STATIC_LIBRARIES := cryptopp

LOCAL_CFLAGS += -pie -fPIE
LOCAL_LDFLAGS += -pie -fPIE

include $(BUILD_EXECUTABLE)

新建Application.mk

APP_ABI := armeabi
APP_PLATFORM := 12
APP_CPPFLAGS += -fexceptions -frtti
APP_STL := stlport_static

新建源代碼文件main.cpp

#include <cryptopp randpool.h="">   
#include <cryptopp rsa.h="">   
#include <cryptopp hex.h="">  
#include <cryptopp files.h="">   
#include <iostream>   

using namespace std;   
using namespace CryptoPP;   

//------------------------   
// 函數聲明  
//------------------------   
void GenerateRSAKey(unsigned int keyLength, const char *privFilename, const char *pubFilename, const char *seed);   
string RSAEncryptString(const char *pubFilename, const char *seed, const char *message);   
string RSADecryptString(const char *privFilename, const char *ciphertext);   
RandomPool & GlobalRNG();   

//------------------------   
// 主程序  
//------------------------   
int main()   
{   
    char priKey[128] = {0};   
    char pubKey[128] = {0};   
    char seed[1024] = {0};   

    // 生成 RSA 密鑰對  
    strcpy(priKey, "pri"); // 生成的私鑰文件  
    strcpy(pubKey, "pub"); // 生成的公鑰文件  
    strcpy(seed, "seed");   
    GenerateRSAKey(1024, priKey, pubKey, seed);

ubuntu移植crypto++到Android平台1

接著編譯

ndk-build

將生成的main文件push到手機內，運行

ubuntu移植crypto++到Android平台2

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