Sunyard/sydapi-java-sge-database
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

增加init/update/digest/finish长数据操作

Browse Source
This commit is contained in:
junj2.liang 2022-08-31 17:57:20 +08:00
parent 849c380dbe
commit 030849f754
2 changed files with 26 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/main/java/com/sunyard/sge/database/SydApiSM4.java
View File

@ -21,10 +21,10 @@ public class SydApiSM4 {
this.iKeyIndex = iKeyIndex;
}
public void update(byte[] pcData) {
public byte[] update(byte[] pcData) {
this.pcdataResult = pcData;
if (null == pcData || pcData.length == 0) {
return;
return new byte[0];
}
int plength = pcData.length;
if (is_finished) {
@ -58,20 +58,22 @@ public class SydApiSM4 {
bufferResult.put(bytes1);
sourceWrap = bufferResult;
}
byte[] bytes = api.SYD_SM4_LongData(iKeyIndex, pcdataResult, iPkgNum, iFlag);
iPkgNum = 2;
iPkgNum = 2;
return api.SYD_SM4_LongData(iKeyIndex, pcdataResult, iPkgNum, iFlag);
} else {
if (16 > pcData.length + sourceWrap.array().length) {
ByteBuffer bufferResult = ByteBuffer.allocate(sourceWrap.array().length + plength);
bufferResult.put(SydSM4Mac.bytebuffer2ByteArray(sourceWrap));
bufferResult.put(pcData);
sourceWrap = bufferResult;
return new byte[0];
} else if ((pcData.length + sourceWrap.array().length) % 16 == 0) {
ByteBuffer bufferResult = ByteBuffer.allocate(sourceWrap.array().length + plength);
bufferResult.put(SydSM4Mac.bytebuffer2ByteArray(sourceWrap));
bufferResult.put(pcData);
byte[] bytes = SydSM4Mac.bytebuffer2ByteArray(bufferResult);
api.SYD_SM4_LongData(iKeyIndex, bytes, iPkgNum, iFlag);
return api.SYD_SM4_LongData(iKeyIndex, bytes, iPkgNum, iFlag);
} else {
ByteBuffer bufferResult = ByteBuffer.allocate(sourceWrap.array().length + plength);
bufferResult.put(SydSM4Mac.bytebuffer2ByteArray(sourceWrap));
@ -88,8 +90,8 @@ public class SydApiSM4 {
ByteBuffer bufferResults = ByteBuffer.allocate(remainder);
bufferResults.put(bytes1);
sourceWrap = bufferResults;
api.SYD_SM4_LongData(iKeyIndex, pcdataResult, iPkgNum, iFlag);
iPkgNum = 2;
return api.SYD_SM4_LongData(iKeyIndex, pcdataResult, iPkgNum, iFlag);
}
}
}

19
src/test/java/test/LongDataTest.java
View File

@ -6,6 +6,7 @@ import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import java.util.Arrays;
import java.util.Random;
public class LongDataTest {
@ -77,7 +78,7 @@ public class LongDataTest {
int lucky = new Random().nextInt(4065);
byte[] data = new byte[lucky];
System.out.println("len="+lucky);
new Random().nextBytes( data );
// new Random().nextBytes( data );
sydApiMac.update(data);
}
@ -111,6 +112,22 @@ public class LongDataTest {
System.out.println(Util.bytes2HexString( enData ) );
}
@Test
public void case12(){
for (int i =0 ; i < 1000; i ++) {
int lucky = new Random().nextInt(4065);
SydApiSM4 sydApiSM4 = api.initSM4(api, 1,1);
byte[] bytes = new byte[lucky];
sydApiSM4.update(new byte[lucky]);
byte[] finish = sydApiSM4.finish();
SydApiSM4 sydApiSM42 = api.initSM4(api, 1,0);
sydApiSM42.update(finish);
byte[] finish1 = sydApiSM42.finish();
System.out.println("原始数据："+Arrays.toString(bytes)+",\n"+"解密后数据："+Arrays.toString(finish1));
}
}
}