分享JavaScript与Java中MD5使用两个例子
在网上查了一下,在网上收集了Java与JavaScript中使用的两个例子,试验过,分享下。
1、Java:
packageorg.bearfly.test.md5; importjava.io.UnsupportedEncodingException; importjava.security.MessageDigest; importjava.security.NoSuchAlgorithmException; publicclassMD5Utils{ publicstaticvoidmain(String[]args){ System.out.println(getMd5String("")); System.out.println(MD5("good")); } publicfinalstaticStringMD5(Strings){ charhexDigits[]={'0','1','2','3','4', '5','6','7','8','9', 'A','B','C','D','E','F'}; try{ byte[]btInput=s.getBytes(); //获得MD5摘要算法的MessageDigest对象 MessageDigestmdInst=MessageDigest.getInstance("MD5"); //使用指定的字节更新摘要 mdInst.update(btInput); //获得密文 byte[]md=mdInst.digest(); //把密文转换成十六进制的字符串形式 intj=md.length; charstr[]=newchar[j*2]; intk=0; for(inti=0;i<j;i++){ bytebyte0=md[i]; str[k++]=hexDigits[byte0>>>4&0xf]; str[k++]=hexDigits[byte0&0xf]; } returnnewString(str); } catch(Exceptione){ e.printStackTrace(); returnnull; } } publicstaticStringgetMd5String(Stringstr){ MessageDigestmessageDigest=null; try{ messageDigest=MessageDigest.getInstance("MD5"); messageDigest.reset(); messageDigest.update(str.getBytes("UTF-8")); }catch(NoSuchAlgorithmExceptione){ System.out.println("NoSuchAlgorithmExceptioncaught!"); System.exit(-1); }catch(UnsupportedEncodingExceptione){ e.printStackTrace(); } byte[]byteArray=messageDigest.digest(); StringBuffermd5StrBuff=newStringBuffer(); for(inti=0;i<byteArray.length;i++){ if(Integer.toHexString(0xFF&byteArray[i]).length()==1) md5StrBuff.append("0").append(Integer.toHexString(0xFF&byteArray[i])); else md5StrBuff.append(Integer.toHexString(0xFF&byteArray[i])); } returnmd5StrBuff.toString(); } }
2、JavaScript:
md5.js
varhexcase=0;/*hexoutputformat.0-lowercase;1-uppercase*/ varb64pad="";/*base-64padcharacter."="forstrictRFCcompliance*/ varchrsz=8;/*bitsperinputcharacter.8-ASCII;16-Unicode*/ /* *Thesearethefunctionsyou'llusuallywanttocall *Theytakestringargumentsandreturneitherhexorbase-64encodedstrings */ functionhex_md5(s){returnbinl2hex(core_md5(str2binl(s),s.length*chrsz));} functionb64_md5(s){returnbinl2b64(core_md5(str2binl(s),s.length*chrsz));} functionstr_md5(s){returnbinl2str(core_md5(str2binl(s),s.length*chrsz));} functionhex_hmac_md5(key,data){returnbinl2hex(core_hmac_md5(key,data));} functionb64_hmac_md5(key,data){returnbinl2b64(core_hmac_md5(key,data));} functionstr_hmac_md5(key,data){returnbinl2str(core_hmac_md5(key,data));} /* *Performasimpleself-testtoseeiftheVMisworking */ functionmd5_vm_test() { returnhex_md5("abc")=="900150983cd24fb0d6963f7d28e17f72"; } /* *CalculatetheMD5ofanarrayoflittle-endianwords,andabitlength */ functioncore_md5(x,len) { /*appendpadding*/ x[len>>5]|=0x80<<((len)%32); x[(((len+64)>>>9)<<4)+14]=len; vara=1732584193; varb=-271733879; varc=-1732584194; vard=271733878; for(vari=0;i<x.length;i+=16) { varolda=a; varoldb=b; varoldc=c; varoldd=d; a=md5_ff(a,b,c,d,x[i+0],7,-680876936); d=md5_ff(d,a,b,c,x[i+1],12,-389564586); c=md5_ff(c,d,a,b,x[i+2],17,606105819); b=md5_ff(b,c,d,a,x[i+3],22,-1044525330); a=md5_ff(a,b,c,d,x[i+4],7,-176418897); d=md5_ff(d,a,b,c,x[i+5],12,1200080426); c=md5_ff(c,d,a,b,x[i+6],17,-1473231341); b=md5_ff(b,c,d,a,x[i+7],22,-45705983); a=md5_ff(a,b,c,d,x[i+8],7,1770035416); d=md5_ff(d,a,b,c,x[i+9],12,-1958414417); c=md5_ff(c,d,a,b,x[i+10],17,-42063); b=md5_ff(b,c,d,a,x[i+11],22,-1990404162); a=md5_ff(a,b,c,d,x[i+12],7,1804603682); d=md5_ff(d,a,b,c,x[i+13],12,-40341101); c=md5_ff(c,d,a,b,x[i+14],17,-1502002290); b=md5_ff(b,c,d,a,x[i+15],22,1236535329); a=md5_gg(a,b,c,d,x[i+1],5,-165796510); d=md5_gg(d,a,b,c,x[i+6],9,-1069501632); c=md5_gg(c,d,a,b,x[i+11],14,643717713); b=md5_gg(b,c,d,a,x[i+0],20,-373897302); a=md5_gg(a,b,c,d,x[i+5],5,-701558691); d=md5_gg(d,a,b,c,x[i+10],9,38016083); c=md5_gg(c,d,a,b,x[i+15],14,-660478335); b=md5_gg(b,c,d,a,x[i+4],20,-405537848); a=md5_gg(a,b,c,d,x[i+9],5,568446438); d=md5_gg(d,a,b,c,x[i+14],9,-1019803690); c=md5_gg(c,d,a,b,x[i+3],14,-187363961); b=md5_gg(b,c,d,a,x[i+8],20,1163531501); a=md5_gg(a,b,c,d,x[i+13],5,-1444681467); d=md5_gg(d,a,b,c,x[i+2],9,-51403784); c=md5_gg(c,d,a,b,x[i+7],14,1735328473); b=md5_gg(b,c,d,a,x[i+12],20,-1926607734); a=md5_hh(a,b,c,d,x[i+5],4,-378558); d=md5_hh(d,a,b,c,x[i+8],11,-2022574463); c=md5_hh(c,d,a,b,x[i+11],16,1839030562); b=md5_hh(b,c,d,a,x[i+14],23,-35309556); a=md5_hh(a,b,c,d,x[i+1],4,-1530992060); d=md5_hh(d,a,b,c,x[i+4],11,1272893353); c=md5_hh(c,d,a,b,x[i+7],16,-155497632); b=md5_hh(b,c,d,a,x[i+10],23,-1094730640); a=md5_hh(a,b,c,d,x[i+13],4,681279174); d=md5_hh(d,a,b,c,x[i+0],11,-358537222); c=md5_hh(c,d,a,b,x[i+3],16,-722521979); b=md5_hh(b,c,d,a,x[i+6],23,76029189); a=md5_hh(a,b,c,d,x[i+9],4,-640364487); d=md5_hh(d,a,b,c,x[i+12],11,-421815835); c=md5_hh(c,d,a,b,x[i+15],16,530742520); b=md5_hh(b,c,d,a,x[i+2],23,-995338651); a=md5_ii(a,b,c,d,x[i+0],6,-198630844); d=md5_ii(d,a,b,c,x[i+7],10,1126891415); c=md5_ii(c,d,a,b,x[i+14],15,-1416354905); b=md5_ii(b,c,d,a,x[i+5],21,-57434055); a=md5_ii(a,b,c,d,x[i+12],6,1700485571); d=md5_ii(d,a,b,c,x[i+3],10,-1894986606); c=md5_ii(c,d,a,b,x[i+10],15,-1051523); b=md5_ii(b,c,d,a,x[i+1],21,-2054922799); a=md5_ii(a,b,c,d,x[i+8],6,1873313359); d=md5_ii(d,a,b,c,x[i+15],10,-30611744); c=md5_ii(c,d,a,b,x[i+6],15,-1560198380); b=md5_ii(b,c,d,a,x[i+13],21,1309151649); a=md5_ii(a,b,c,d,x[i+4],6,-145523070); d=md5_ii(d,a,b,c,x[i+11],10,-1120210379); c=md5_ii(c,d,a,b,x[i+2],15,718787259); b=md5_ii(b,c,d,a,x[i+9],21,-343485551); a=safe_add(a,olda); b=safe_add(b,oldb); c=safe_add(c,oldc); d=safe_add(d,oldd); } returnArray(a,b,c,d); } /* *Thesefunctionsimplementthefourbasicoperationsthealgorithmuses. */ functionmd5_cmn(q,a,b,x,s,t) { returnsafe_add(bit_rol(safe_add(safe_add(a,q),safe_add(x,t)),s),b); } functionmd5_ff(a,b,c,d,x,s,t) { returnmd5_cmn((b&c)|((~b)&d),a,b,x,s,t); } functionmd5_gg(a,b,c,d,x,s,t) { returnmd5_cmn((b&d)|(c&(~d)),a,b,x,s,t); } functionmd5_hh(a,b,c,d,x,s,t) { returnmd5_cmn(b^c^d,a,b,x,s,t); } functionmd5_ii(a,b,c,d,x,s,t) { returnmd5_cmn(c^(b|(~d)),a,b,x,s,t); } /* *CalculatetheHMAC-MD5,ofakeyandsomedata */ functioncore_hmac_md5(key,data) { varbkey=str2binl(key); if(bkey.length>16)bkey=core_md5(bkey,key.length*chrsz); varipad=Array(16),opad=Array(16); for(vari=0;i<16;i++) { ipad[i]=bkey[i]^0x36363636; opad[i]=bkey[i]^0x5C5C5C5C; } varhash=core_md5(ipad.concat(str2binl(data)),512+data.length*chrsz); returncore_md5(opad.concat(hash),512+128); } /* *Addintegers,wrappingat2^32.Thisuses16-bitoperationsinternally *toworkaroundbugsinsomeJSinterpreters. */ functionsafe_add(x,y) { varlsw=(x&0xFFFF)+(y&0xFFFF); varmsw=(x>>16)+(y>>16)+(lsw>>16); return(msw<<16)|(lsw&0xFFFF); } /* *Bitwiserotatea32-bitnumbertotheleft. */ functionbit_rol(num,cnt) { return(num<<cnt)|(num>>>(32-cnt)); } /* *Convertastringtoanarrayoflittle-endianwords *IfchrszisASCII,characters>255havetheirhi-bytesilentlyignored. */ functionstr2binl(str) { varbin=Array(); varmask=(1<<chrsz)-1; for(vari=0;i<str.length*chrsz;i+=chrsz) bin[i>>5]|=(str.charCodeAt(i/chrsz)&mask)<<(i%32); returnbin; } /* *Convertanarrayoflittle-endianwordstoastring */ functionbinl2str(bin) { varstr=""; varmask=(1<<chrsz)-1; for(vari=0;i<bin.length*32;i+=chrsz) str+=String.fromCharCode((bin[i>>5]>>>(i%32))&mask); returnstr; } /* *Convertanarrayoflittle-endianwordstoahexstring. */ functionbinl2hex(binarray) { varhex_tab=hexcase?"0123456789ABCDEF":"0123456789abcdef"; varstr=""; for(vari=0;i<binarray.length*4;i++) { str+=hex_tab.charAt((binarray[i>>2]>>((i%4)*8+4))&0xF)+ hex_tab.charAt((binarray[i>>2]>>((i%4)*8))&0xF); } returnstr; } /* *Convertanarrayoflittle-endianwordstoabase-64string */ functionbinl2b64(binarray) { vartab="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; varstr=""; for(vari=0;i<binarray.length*4;i+=3) { vartriplet=(((binarray[i>>2]>>8*(i%4))&0xFF)<<16) |(((binarray[i+1>>2]>>8*((i+1)%4))&0xFF)<<8) |((binarray[i+2>>2]>>8*((i+2)%4))&0xFF); for(varj=0;j<4;j++) { if(i*8+j*6>binarray.length*32)str+=b64pad; elsestr+=tab.charAt((triplet>>6*(3-j))&0x3F); } } returnstr; }
md5.html
<html> <head> <title>md5_Test</title> <scripttype="text/javascript"src="md5.js"></script> <linkrel="stylesheet"type="text/css"href="bearfly.css"/> </head> <body> <scripttype="text/javascript"> document.write("myPasswordMD5:",hex_md5("md5Test").toUpperCase()); </script> </body> </html>
补充:javascript的MD5代码备份,跟java互通
varMD5=function(string){ functionRotateLeft(lValue,iShiftBits){ return(lValue<<iShiftBits)|(lValue>>>(32-iShiftBits)); } functionAddUnsigned(lX,lY){ varlX4,lY4,lX8,lY8,lResult; lX8=(lX&0x80000000); lY8=(lY&0x80000000); lX4=(lX&0x40000000); lY4=(lY&0x40000000); lResult=(lX&0x3FFFFFFF)+(lY&0x3FFFFFFF); if(lX4&lY4){ return(lResult^0x80000000^lX8^lY8); } if(lX4|lY4){ if(lResult&0x40000000){ return(lResult^0xC0000000^lX8^lY8); }else{ return(lResult^0x40000000^lX8^lY8); } }else{ return(lResult^lX8^lY8); } } functionF(x,y,z){return(x&y)|((~x)&z);} functionG(x,y,z){return(x&z)|(y&(~z));} functionH(x,y,z){return(x^y^z);} functionI(x,y,z){return(y^(x|(~z)));} functionFF(a,b,c,d,x,s,ac){ a=AddUnsigned(a,AddUnsigned(AddUnsigned(F(b,c,d),x),ac)); returnAddUnsigned(RotateLeft(a,s),b); }; functionGG(a,b,c,d,x,s,ac){ a=AddUnsigned(a,AddUnsigned(AddUnsigned(G(b,c,d),x),ac)); returnAddUnsigned(RotateLeft(a,s),b); }; functionHH(a,b,c,d,x,s,ac){ a=AddUnsigned(a,AddUnsigned(AddUnsigned(H(b,c,d),x),ac)); returnAddUnsigned(RotateLeft(a,s),b); }; functionII(a,b,c,d,x,s,ac){ a=AddUnsigned(a,AddUnsigned(AddUnsigned(I(b,c,d),x),ac)); returnAddUnsigned(RotateLeft(a,s),b); }; functionConvertToWordArray(string){ varlWordCount; varlMessageLength=string.length; varlNumberOfWords_temp1=lMessageLength+8; varlNumberOfWords_temp2=(lNumberOfWords_temp1-(lNumberOfWords_temp1%64))/64; varlNumberOfWords=(lNumberOfWords_temp2+1)*16; varlWordArray=Array(lNumberOfWords-1); varlBytePosition=0; varlByteCount=0; while(lByteCount<lMessageLength){ lWordCount=(lByteCount-(lByteCount%4))/4; lBytePosition=(lByteCount%4)*8; lWordArray[lWordCount]=(lWordArray[lWordCount]|(string.charCodeAt(lByteCount)<<lBytePosition)); lByteCount++; } lWordCount=(lByteCount-(lByteCount%4))/4; lBytePosition=(lByteCount%4)*8; lWordArray[lWordCount]=lWordArray[lWordCount]|(0x80<<lBytePosition); lWordArray[lNumberOfWords-2]=lMessageLength<<3; lWordArray[lNumberOfWords-1]=lMessageLength>>>29; returnlWordArray; }; functionWordToHex(lValue){ varWordToHexValue="",WordToHexValue_temp="",lByte,lCount; for(lCount=0;lCount<=3;lCount++){ lByte=(lValue>>>(lCount*8))&255; WordToHexValue_temp="0"+lByte.toString(16); WordToHexValue=WordToHexValue+WordToHexValue_temp.substr(WordToHexValue_temp.length-2,2); } returnWordToHexValue; }; functionUtf8Encode(string){ string=string.replace(/\r\n/g,"\n"); varutftext=""; for(varn=0;n<string.length;n++){ varc=string.charCodeAt(n); if(c<128){ utftext+=String.fromCharCode(c); } elseif((c>127)&&(c<2048)){ utftext+=String.fromCharCode((c>>6)|192); utftext+=String.fromCharCode((c&63)|128); } else{ utftext+=String.fromCharCode((c>>12)|224); utftext+=String.fromCharCode(((c>>6)&63)|128); utftext+=String.fromCharCode((c&63)|128); } } returnutftext; }; varx=Array(); vark,AA,BB,CC,DD,a,b,c,d; varS11=7,S12=12,S13=17,S14=22; varS21=5,S22=9,S23=14,S24=20; varS31=4,S32=11,S33=16,S34=23; varS41=6,S42=10,S43=15,S44=21; string=Utf8Encode(string); x=ConvertToWordArray(string); a=0x67452301;b=0xEFCDAB89;c=0x98BADCFE;d=0x10325476; for(k=0;k<x.length;k+=16){ AA=a;BB=b;CC=c;DD=d; a=FF(a,b,c,d,x[k+0],S11,0xD76AA478); d=FF(d,a,b,c,x[k+1],S12,0xE8C7B756); c=FF(c,d,a,b,x[k+2],S13,0x242070DB); b=FF(b,c,d,a,x[k+3],S14,0xC1BDCEEE); a=FF(a,b,c,d,x[k+4],S11,0xF57C0FAF); d=FF(d,a,b,c,x[k+5],S12,0x4787C62A); c=FF(c,d,a,b,x[k+6],S13,0xA8304613); b=FF(b,c,d,a,x[k+7],S14,0xFD469501); a=FF(a,b,c,d,x[k+8],S11,0x698098D8); d=FF(d,a,b,c,x[k+9],S12,0x8B44F7AF); c=FF(c,d,a,b,x[k+10],S13,0xFFFF5BB1); b=FF(b,c,d,a,x[k+11],S14,0x895CD7BE); a=FF(a,b,c,d,x[k+12],S11,0x6B901122); d=FF(d,a,b,c,x[k+13],S12,0xFD987193); c=FF(c,d,a,b,x[k+14],S13,0xA679438E); b=FF(b,c,d,a,x[k+15],S14,0x49B40821); a=GG(a,b,c,d,x[k+1],S21,0xF61E2562); d=GG(d,a,b,c,x[k+6],S22,0xC040B340); c=GG(c,d,a,b,x[k+11],S23,0x265E5A51); b=GG(b,c,d,a,x[k+0],S24,0xE9B6C7AA); a=GG(a,b,c,d,x[k+5],S21,0xD62F105D); d=GG(d,a,b,c,x[k+10],S22,0x2441453); c=GG(c,d,a,b,x[k+15],S23,0xD8A1E681); b=GG(b,c,d,a,x[k+4],S24,0xE7D3FBC8); a=GG(a,b,c,d,x[k+9],S21,0x21E1CDE6); d=GG(d,a,b,c,x[k+14],S22,0xC33707D6); c=GG(c,d,a,b,x[k+3],S23,0xF4D50D87); b=GG(b,c,d,a,x[k+8],S24,0x455A14ED); a=GG(a,b,c,d,x[k+13],S21,0xA9E3E905); d=GG(d,a,b,c,x[k+2],S22,0xFCEFA3F8); c=GG(c,d,a,b,x[k+7],S23,0x676F02D9); b=GG(b,c,d,a,x[k+12],S24,0x8D2A4C8A); a=HH(a,b,c,d,x[k+5],S31,0xFFFA3942); d=HH(d,a,b,c,x[k+8],S32,0x8771F681); c=HH(c,d,a,b,x[k+11],S33,0x6D9D6122); b=HH(b,c,d,a,x[k+14],S34,0xFDE5380C); a=HH(a,b,c,d,x[k+1],S31,0xA4BEEA44); d=HH(d,a,b,c,x[k+4],S32,0x4BDECFA9); c=HH(c,d,a,b,x[k+7],S33,0xF6BB4B60); b=HH(b,c,d,a,x[k+10],S34,0xBEBFBC70); a=HH(a,b,c,d,x[k+13],S31,0x289B7EC6); d=HH(d,a,b,c,x[k+0],S32,0xEAA127FA); c=HH(c,d,a,b,x[k+3],S33,0xD4EF3085); b=HH(b,c,d,a,x[k+6],S34,0x4881D05); a=HH(a,b,c,d,x[k+9],S31,0xD9D4D039); d=HH(d,a,b,c,x[k+12],S32,0xE6DB99E5); c=HH(c,d,a,b,x[k+15],S33,0x1FA27CF8); b=HH(b,c,d,a,x[k+2],S34,0xC4AC5665); a=II(a,b,c,d,x[k+0],S41,0xF4292244); d=II(d,a,b,c,x[k+7],S42,0x432AFF97); c=II(c,d,a,b,x[k+14],S43,0xAB9423A7); b=II(b,c,d,a,x[k+5],S44,0xFC93A039); a=II(a,b,c,d,x[k+12],S41,0x655B59C3); d=II(d,a,b,c,x[k+3],S42,0x8F0CCC92); c=II(c,d,a,b,x[k+10],S43,0xFFEFF47D); b=II(b,c,d,a,x[k+1],S44,0x85845DD1); a=II(a,b,c,d,x[k+8],S41,0x6FA87E4F); d=II(d,a,b,c,x[k+15],S42,0xFE2CE6E0); c=II(c,d,a,b,x[k+6],S43,0xA3014314); b=II(b,c,d,a,x[k+13],S44,0x4E0811A1); a=II(a,b,c,d,x[k+4],S41,0xF7537E82); d=II(d,a,b,c,x[k+11],S42,0xBD3AF235); c=II(c,d,a,b,x[k+2],S43,0x2AD7D2BB); b=II(b,c,d,a,x[k+9],S44,0xEB86D391); a=AddUnsigned(a,AA); b=AddUnsigned(b,BB); c=AddUnsigned(c,CC); d=AddUnsigned(d,DD); } vartemp=WordToHex(a)+WordToHex(b)+WordToHex(c)+WordToHex(d); returntemp.toLowerCase(); }
以上就是本文的全部内容,java、javascript、MD5三者之间的关系,使用,希望对大家的学习有所帮助。