intellijidea14注册码生成源代码

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1、importjava.math.BigInteger;importjava.util.Date;importjava.util.Random;importjava.util.zip.CRC32;publicclasskeygen{/***@params*@parami*@parambytes*@return*/publicstaticshortgetCRC(Strings,inti,bytebytes[]){CRC32crc32=newCRC32();if(s!=null){for(intj=0;j

2、th();j++){charc=s.charAt(j);crc32.update(c);}}crc32.update(i);crc32.update(i>>8);crc32.update(i>>16);crc32.update(i>>24);for(intk=0;k

3、tring*/publicstaticStringencodeGroups(BigIntegerbiginteger){BigIntegerbeginner1=BigInteger.valueOf(0x39aa400L);StringBuildersb=newStringBuilder();for(inti=0;biginteger.compareTo(BigInteger.ZERO)!=0;i++){intj=biginteger.mod(beginner1).intValue();Strings1=encod

4、eGroup(j);if(i>0){sb.append("-");}sb.append(s1);biginteger=biginteger.divide(beginner1);}returnsb.toString();}/***@parami*@return*/publicstaticStringencodeGroup(inti){StringBuildersb=newStringBuilder();for(intj=0;j<5;j++){intk=i%36;charc;if(k<10){c=(char)(48+

5、k);}else{c=(char)((65+k)-10);}sb.append(c);i/=36;}returnsb.toString();}/***@paramname*@paramdays*@paramid*@paramprtype*@return*/publicstaticStringMakeKey(Stringname,intdays,intid){id%=100000;bytebkey[]=newbyte[12];bkey[0]=(byte)1;//Producttype:IntelliJIDEAis1

6、bkey[1]=14;//versionDated=newDate();longld=(d.getTime()>>16);bkey[2]=(byte)(ld&255);bkey[3]=(byte)((ld>>8)&255);bkey[4]=(byte)((ld>>16)&255);bkey[5]=(byte)((ld>>24)&255);days&=0xffff;bkey[6]=(byte)(days&255);bkey[7]=(byte)((days>>8)&255);bkey[8]=105;bkey[9]=-

7、59;bkey[10]=0;bkey[11]=0;intw=getCRC(name,id%100000,bkey);bkey[10]=(byte)(w&255);bkey[11]=(byte)((w>>8)&255);BigIntegerpow=newBigInteger("89126272330128007543578052027888001981",10);BigIntegermod=newBigInteger("86f71688cdd2612ca117d1f54bdae029",16);BigInteger

8、k0=newBigInteger(bkey);BigIntegerk1=k0.modPow(pow,mod);Strings0=Integer.toString(id);Stringsz="0";while(s0.length()!=5){s0=sz.concat(s0);}s0=s0.concat("-");Strings1=encodeGroups(k1);s0=s0