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[optimize]:{安全性优化,hidekey 方案初版.}
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wei committed Jan 24, 2018
1 parent 73bcb9c commit fbf46a4
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Showing 2 changed files with 82 additions and 38 deletions.
60 changes: 41 additions & 19 deletions aesjni/src/main/cpp/JNIEncrypt.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -2,8 +2,6 @@
#include "aes.h"
#include "checksignature.h"
#include <string.h>
#include "checksignature.h"
#include <android/log.h>

#define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)
#define LOGI(...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)
Expand All @@ -19,14 +17,41 @@

const char *UNSIGNATURE = "UNSIGNATURE";

__attribute__((section (".mytext")))
//__attribute__((section (".mytext")))//隐藏字符表 并没有什么卵用 只是针对初阶hacker的一个小方案而已
char *getKey() {
char *s = "NMTIzNDU2Nzg5MGFiY2RlZg";
char *encode_str = s+1;
int n = 0;
char s[23];//"NMTIzNDU2Nzg5MGFiY2RlZg";

s[n++] = 'N';
s[n++] = 'M';
s[n++] = 'T';
s[n++] = 'I';
s[n++] = 'z';
s[n++] = 'N';
s[n++] = 'D';
s[n++] = 'U';
s[n++] = '2';
s[n++] = 'N';
s[n++] = 'z';
s[n++] = 'g';
s[n++] = '5';
s[n++] = 'M';
s[n++] = 'G';
s[n++] = 'F';
s[n++] = 'i';
s[n++] = 'Y';
s[n++] = '2';
s[n++] = 'R';
s[n++] = 'l';
s[n++] = 'Z';
s[n++] = 'g';
char *encode_str = s + 1;
return b64_decode(encode_str, strlen(encode_str));

//初版hidekey的方案
}

__attribute__((section (".mytext")))
//__attribute__((section (".mytext")))
JNIEXPORT jstring JNICALL encode(JNIEnv *env, jobject instance, jobject context, jstring str_) {

//先进行apk被 二次打包的校验
Expand All @@ -43,7 +68,7 @@ JNIEXPORT jstring JNICALL encode(JNIEnv *env, jobject instance, jobject context,
}

__attribute__((section (".mytext")))
JNIEXPORT jstring JNICALL decode(JNIEnv *env, jobject instance, jobject context, jstring str_) {
JNIEXPORT jstring JNICALL decode(JNIEnv *env, jobject instance, jobject context, jstring str_) {


//先进行apk被 二次打包的校验
Expand Down Expand Up @@ -89,15 +114,14 @@ check(JNIEnv *env, jobject instance, jobject con) {

// Java和JNI函数的绑定表
static JNINativeMethod method_table[] = {
{ "checkSignature", "(Ljava/lang/Object;)I", (void*)check },
{ "decode", "(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/String;", (void*)decode },
{ "encode", "(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/String;", (void*)encode },
{"checkSignature", "(Ljava/lang/Object;)I", (void *) check},
{"decode", "(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/String;", (void *) decode},
{"encode", "(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/String;", (void *) encode},
};

// 注册native方法到java中
static int registerNativeMethods(JNIEnv* env, const char* className,
JNINativeMethod* gMethods, int numMethods)
{
static int registerNativeMethods(JNIEnv *env, const char *className,
JNINativeMethod *gMethods, int numMethods) {
jclass clazz;
clazz = (*env)->FindClass(env, className);
if (clazz == NULL) {
Expand All @@ -110,19 +134,17 @@ static int registerNativeMethods(JNIEnv* env, const char* className,
return JNI_TRUE;
}

int register_ndk_load(JNIEnv *env)
{
int register_ndk_load(JNIEnv *env) {
// 调用注册方法
return registerNativeMethods(env, JNIREG_CLASS,
method_table, NELEM(method_table));
}

JNIEXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved)
{
JNIEnv* env = NULL;
JNIEXPORT jint JNI_OnLoad(JavaVM *vm, void *reserved) {
JNIEnv *env = NULL;
jint result = -1;

if ((*vm)->GetEnv(vm, (void**) &env, JNI_VERSION_1_4) != JNI_OK) {
if ((*vm)->GetEnv(vm, (void **) &env, JNI_VERSION_1_4) != JNI_OK) {
return result;
}

Expand Down
60 changes: 41 additions & 19 deletions aesjni/src/main/jni/JNIEncrypt.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -2,8 +2,6 @@
#include "aes.h"
#include "checksignature.h"
#include <string.h>
#include "checksignature.h"
#include <android/log.h>

#define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)
#define LOGI(...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)
Expand All @@ -19,14 +17,41 @@

const char *UNSIGNATURE = "UNSIGNATURE";

__attribute__((section (".mytext")))
//__attribute__((section (".mytext")))//隐藏字符表 并没有什么卵用 只是针对初阶hacker的一个小方案而已
char *getKey() {
char *s = "NMTIzNDU2Nzg5MGFiY2RlZg";
char *encode_str = s+1;
int n = 0;
char s[23];//"NMTIzNDU2Nzg5MGFiY2RlZg";

s[n++] = 'N';
s[n++] = 'M';
s[n++] = 'T';
s[n++] = 'I';
s[n++] = 'z';
s[n++] = 'N';
s[n++] = 'D';
s[n++] = 'U';
s[n++] = '2';
s[n++] = 'N';
s[n++] = 'z';
s[n++] = 'g';
s[n++] = '5';
s[n++] = 'M';
s[n++] = 'G';
s[n++] = 'F';
s[n++] = 'i';
s[n++] = 'Y';
s[n++] = '2';
s[n++] = 'R';
s[n++] = 'l';
s[n++] = 'Z';
s[n++] = 'g';
char *encode_str = s + 1;
return b64_decode(encode_str, strlen(encode_str));

//初版hidekey的方案
}

__attribute__((section (".mytext")))
//__attribute__((section (".mytext")))
JNIEXPORT jstring JNICALL encode(JNIEnv *env, jobject instance, jobject context, jstring str_) {

//先进行apk被 二次打包的校验
Expand All @@ -43,7 +68,7 @@ JNIEXPORT jstring JNICALL encode(JNIEnv *env, jobject instance, jobject context,
}

__attribute__((section (".mytext")))
JNIEXPORT jstring JNICALL decode(JNIEnv *env, jobject instance, jobject context, jstring str_) {
JNIEXPORT jstring JNICALL decode(JNIEnv *env, jobject instance, jobject context, jstring str_) {


//先进行apk被 二次打包的校验
Expand Down Expand Up @@ -89,15 +114,14 @@ check(JNIEnv *env, jobject instance, jobject con) {

// Java和JNI函数的绑定表
static JNINativeMethod method_table[] = {
{ "checkSignature", "(Ljava/lang/Object;)I", (void*)check },
{ "decode", "(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/String;", (void*)decode },
{ "encode", "(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/String;", (void*)encode },
{"checkSignature", "(Ljava/lang/Object;)I", (void *) check},
{"decode", "(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/String;", (void *) decode},
{"encode", "(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/String;", (void *) encode},
};

// 注册native方法到java中
static int registerNativeMethods(JNIEnv* env, const char* className,
JNINativeMethod* gMethods, int numMethods)
{
static int registerNativeMethods(JNIEnv *env, const char *className,
JNINativeMethod *gMethods, int numMethods) {
jclass clazz;
clazz = (*env)->FindClass(env, className);
if (clazz == NULL) {
Expand All @@ -110,19 +134,17 @@ static int registerNativeMethods(JNIEnv* env, const char* className,
return JNI_TRUE;
}

int register_ndk_load(JNIEnv *env)
{
int register_ndk_load(JNIEnv *env) {
// 调用注册方法
return registerNativeMethods(env, JNIREG_CLASS,
method_table, NELEM(method_table));
}

JNIEXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved)
{
JNIEnv* env = NULL;
JNIEXPORT jint JNI_OnLoad(JavaVM *vm, void *reserved) {
JNIEnv *env = NULL;
jint result = -1;

if ((*vm)->GetEnv(vm, (void**) &env, JNI_VERSION_1_4) != JNI_OK) {
if ((*vm)->GetEnv(vm, (void **) &env, JNI_VERSION_1_4) != JNI_OK) {
return result;
}

Expand Down

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