JAVA, PHP, C#object-c universal des encryption and decryption

JAVA, PHP, C #, Object-c Universal des encryption and decryption

JAVA, Android:

Package Com.example.aric.test;import Javax.crypto.cipher;import Javax.crypto.secretkey;import Javax.crypto.secretkeyfactory;import Javax.crypto.spec.deskeyspec;import Javax.crypto.spec.IvParameterSpec;    Import Android.util.base64;public class DES {public final static String des_key_string = "Absujsuu"; public static string encrypt (String message, String key) throws Exception {Cipher Cipher = cipher.getinstance ("DES        /cbc/pkcs5padding ");        Deskeyspec Deskeyspec = new Deskeyspec (key.getbytes ("UTF-8"));        Secretkeyfactory keyfactory = secretkeyfactory.getinstance ("DES");        Secretkey Secretkey = Keyfactory.generatesecret (Deskeyspec);        Ivparameterspec IV = new Ivparameterspec (key.getbytes ("UTF-8"));         Cipher.init (Cipher.encrypt_mode, Secretkey, iv);    Return EncodeBase64 (Cipher.dofinal (Message.getbytes ("UTF-8")); public static string decrypt (string message, String key) throws Exception {byte[] bytesrc = decodeBase64 (mess Age);//converthexstring (message);        Cipher Cipher = cipher.getinstance ("des/cbc/pkcs5padding");        Deskeyspec Deskeyspec = new Deskeyspec (key.getbytes ("UTF-8"));        Secretkeyfactory keyfactory = secretkeyfactory.getinstance ("DES");        Secretkey Secretkey = Keyfactory.generatesecret (Deskeyspec);         Ivparameterspec IV = new Ivparameterspec (key.getbytes ("UTF-8"));        Cipher.init (Cipher.decrypt_mode, Secretkey, iv);        byte[] Retbyte = cipher.dofinal (BYTESRC);    return new String (Retbyte);        } public static byte[] Converthexstring (String ss) {byte digest[] = new Byte[ss.length ()/2];            for (int i = 0; i < digest.length; i++) {String byteString = ss.substring (2 * I, 2 * i + 2);            int bytevalue = Integer.parseint (byteString, 16);        Digest[i] = (byte) bytevalue;    } return digest;        } public static String tohexstring (byte b[]) {StringBuffer hexstring = new StringBuffer (); for (int i = 0;i < b.length;            i++) {String plaintext = integer.tohexstring (0xFF & B[i]);            if (Plaintext.length () < 2) plaintext = "0" + plaintext;        Hexstring.append (plaintext);    } return hexstring.tostring ();    } public static String encodeBase64 (byte[] b) {return base64.encodetostring (b, Base64.default); } public static byte[] DecodeBase64 (String base64string) {return Base64.decode (base64string, Base64.defaul    T); }}

?

Php:

Class Jodes {private static $_instance = NULL; /** * @return Jodes */public static function share () {if (Is_null (self::$_instance)) {Self        :: $_instance = new Jodes ();    } return self::$_instance;    }/** * Encrypt * @param string $STR strings to be processed * @param-string $key encryption key, 8-byte length * @return String * *        Public function encode ($STR, $key) {$size = Mcrypt_get_block_size (Mcrypt_des, MCRYPT_MODE_CBC);        $str = $this->pkcs5pad ($str, $size);        $AAA = MCRYPT_CBC (Mcrypt_des, $key, $str, Mcrypt_encrypt, $key);        $ret = Base64_encode ($AAA);    return $ret;    }/** * Decrypts * @param string $str to be processed * @param strings $key decrypted key, 8 bytes Length * @return String */        Public function decode ($STR, $key) {$strBin = Base64_decode ($STR);        $str = MCRYPT_CBC (Mcrypt_des, $key, $strBin, Mcrypt_decrypt, $key);        $str = $this->pkcs5unpad ($STR);    return $str; } function Hex2bin ($hexData) {$binData = "";        for ($i = 0; $i < strlen ($hexData); $i + = 2) {$binData. = Chr (Hexdec (substr ($hexData, $i, 2)));    } return $binData;        } function Pkcs5pad ($text, $blocksize) {$pad = $blocksize-(strlen ($text)% $blocksize); Return $text.    Str_repeat (Chr ($pad), $pad);        } function Pkcs5unpad ($text) {$pad = Ord ($text {strlen ($text)-1});        if ($pad > strlen ($text)) return false;        if (strspn ($text, Chr ($pad), strlen ($text)-$pad)! = $pad) return false;    Return substr ($text, 0,-1 * $pad); }}

? C#:

public class Mydes {///// des encryption method //////Plaintext///Secret key///Vector///
 
  
   Ciphertext
  
         public static string Encode (string source, String _deskey) {StringBuilder sb = new Stringbuilde            R (); using (DESCryptoServiceProvider des = new DESCryptoServiceProvider ()) {byte[] key = Asciiencodi Ng. Ascii.                GetBytes (_deskey);                Byte[] IV = ASCIIEncoding.ASCII.GetBytes (_deskey);                byte[] Databytearray = Encoding.UTF8.GetBytes (source); Des.                Mode = System.Security.Cryptography.CipherMode.CBC; Des.                key = key;                DES.IV = IV;                String encrypt = ""; using (MemoryStream ms = new MemoryStream ()) using (CryptoStream cs = new CryptoStream (MS, DES). CreateEncryptor (), cryptostreammode.write)) {cs.                    Write (Databytearray, 0, databytearray.length); Cs.                    FlushFinalBlock (); Encrypt = convert.tobase64string (Ms.                ToArray ()); } return encrypt;           }        }        ///  /// for des decryption. /// ///The Base64 string to decrypt///Key, and must be 8 bits.///
 
  
   the decrypted string. 
  
 public static string Decode (string source, String SKey) {byte[] Inputbytearray = System.Convert.FromBas            E64string (source);//encoding.utf8.getbytes (source); using (DESCryptoServiceProvider des = new DESCryptoServiceProvider ()) {des.                Key = ASCIIEncoding.ASCII.GetBytes (SKey);                DES.IV = ASCIIEncoding.ASCII.GetBytes (SKey);                System.IO.MemoryStream ms = new System.IO.MemoryStream (); using (CryptoStream cs = new CryptoStream (MS, Des. CreateDecryptor (), cryptostreammode.write)) {cs.                    Write (Inputbytearray, 0, inputbytearray.length); Cs.                    FlushFinalBlock (); Cs.                Close (); } string str = Encoding.UTF8.GetString (MS.                ToArray ()); Ms.                Close ();            return str; }        }    }

?

Object-c:

/*** JoDes.h ***/#import
 
  #import
  
   #import
   
    
@interface jodes:nsobject+ (NSString *) Encode: (NSString *) str key: (NSString *) key;+ (NSString *) decode: (NSString *) St R key: (NSString *) key; @end/*** jodes.m ***///xlencrythelper.m//newholdgold//Created by Mr.liao on 2016-01-22.//Co Pyright (c) 2016 Nomanland. All rights reserved. #import "JoDes.h" @interface jodes () + (NSString *) encodebase64withstring: (NSString *) strdata;+ ( NSString *) Encodebase64withdata: (NSData *) objdata;+ (NSData *) decodebase64withstring: (NSString *) strBase64;+ ( NSString *) Docipher: (NSString *) stextin key: (NSString *) SKey context: (ccoperation) Encryptordecrypt;     @end @implementation jodes+ (NSString *) Encode: (NSString *) str key: (NSString *) key{//docipher cannot compile Chinese characters, so URL encode    nsmutablestring* str1 = [Jodes urlencode:str];    nsmutablestring* encode = [nsmutablestring stringwithstring:[jodes docipher:str1 Key:key Context:kccencrypt]];    [Jodes Formatspecialcharacters:encode]; return encode;} + (NSString *) decode: (NSString *) Str kEY: (NSString *) key{nsmutablestring *str1 = [nsmutablestring stringwithstring:str];    [Jodes REFORMATSPECIALCHARACTERS:STR1];    NSString *rt = [jodes docipher:str1 key:key Context:kccdecrypt]; return RT;} + (nsmutablestring *) UrlEncode: (nsstring*) str{nsmutablestring* encodestr = [nsmutablestring stringWithString:[str str    Ingbyaddingpercentescapesusingencoding:nsutf8stringencoding]]; [Encodestr replaceoccurrencesofstring:@ "+" withstring:@ "%2b" Options:nswidthinsensitivesearch range:NSMakeRange (0,    [Encodestr length]); [Encodestr replaceoccurrencesofstring:@ "/" withstring:@ "%2f" Options:nswidthinsensitivesearch range:NSMakeRange (0,    [Encodestr length]); return ENCODESTR;} + (void) Formatspecialcharacters: (nsmutablestring *) str{[str replaceoccurrencesofstring:@ "+" withstring:@ "$$"    Options:nswidthinsensitivesearch range:nsmakerange (0, [str length])]; [Str replaceoccurrencesofstring:@ "/" withstring:@ "@@" Options:nswidthinsensitivesearch range:nsmakerange (0, [str lenGTH])];} + (void) Reformatspecialcharacters: (nsmutablestring *) str{[str replaceoccurrencesofstring:@ "$$" withstring:@ "+"    Options:nswidthinsensitivesearch range:nsmakerange (0, [str length])]; [Str replaceoccurrencesofstring:@ "@@" withstring:@ "/" Options:nswidthinsensitivesearch range:nsmakerange (0, [str Length])];} + (NSString *) encodebase64withstring: (NSString *) strdata {return [jodes encodebase64withdata:[strdata DataUsingEncodi Ng:nsutf8stringencoding]];}    + (NSString *) Encodebase64withdata: (NSData *) objdata {nsstring *encoding = nil;    unsigned char *encodingbytes = NULL;        @try {static char encodingtable[64] = "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz0123456789+/";        Static Nsuinteger paddingtable[] = {0,2,1};        Nsuinteger datalength = [Objdata length];        Nsuinteger encodedblocks = (DATALENGTH * 8)/24;        Nsuinteger padding = paddingtable[datalength% 3];        if (padding > 0) encodedblocks++; Nsuinteger EncodedlengtH = encodedblocks * 4;        Encodingbytes = malloc (encodedlength);            if (encodingbytes! = NULL) {Nsuinteger rawbytestoprocess = datalength;            Nsuinteger rawbaseindex = 0;            Nsuinteger encodingbaseindex = 0;            unsigned char *rawbytes = (unsigned char *) [objdata bytes];            unsigned char rawByte1, rawByte2, RawByte3;                while (rawbytestoprocess >= 3) {rawByte1 = Rawbytes[rawbaseindex];                RawByte2 = rawbytes[rawbaseindex+1];                RawByte3 = rawbytes[rawbaseindex+2];                Encodingbytes[encodingbaseindex] = encodingtable[((rawByte1 >> 2) & 0x3F)]; Encodingbytes[encodingbaseindex+1] = encodingtable[((rawByte1 << 4) & 0x30) |                ((RawByte2 >> 4) & 0x0F)]; ENCODINGBYTES[ENCODINGBASEINDEX+2] = encodingtable[((rawByte2 << 2) & 0x3C) |                ((RawByte3 >> 6) & 0x03)]; Encodingbytes[encodingbasEINDEX+3] = encodingtable[(RawByte3 & 0x3F)];                Rawbaseindex + = 3;                Encodingbaseindex + = 4;            Rawbytestoprocess-= 3;            } rawByte2 = 0;                Switch (datalength-rawbaseindex) {case 2:rawbyte2 = rawbytes[rawbaseindex+1];                    Case 1:rawbyte1 = Rawbytes[rawbaseindex];                    Encodingbytes[encodingbaseindex] = encodingtable[((rawByte1 >> 2) & 0x3F)]; Encodingbytes[encodingbaseindex+1] = encodingtable[((rawByte1 << 4) & 0x30) |                    ((RawByte2 >> 4) & 0x0F)];                    ENCODINGBYTES[ENCODINGBASEINDEX+2] = encodingtable[((rawByte2 << 2) & 0x3C)];            We can skip rawByte3 since we have the a partial block it would always is 0 break; }//Compute location from where to begin inserting padding, it may overwrite some bytes from the partial block encoding//If their value is 0 (cases 1-2).            Encodingbaseindex = encodedlength-padding;            while (padding--> 0) {encodingbytes[encodingbaseindex++] = ' = '; } encoding = [[NSString alloc] initwithbytes:encodingbytes length:encodedlength encoding:nsasciistringencoding]        ;        }} @catch (NSException *exception) {encoding = nil;    NSLog (@ "Warning:error occured while tring to encode base data:%@", exception);        } @finally {if (encodingbytes! = NULL) {free (encodingbytes); }} return encoding;}    + (NSData *) decodebase64withstring: (NSString *) strBase64 {NSData *data = nil;    unsigned char *decodedbytes = NULL; @try {#define __ 255 static char decodingtable[256] = {__,__,__,__, __,__,__,__, __,__,__,__, __,__,__, __,//0x00-0x0f __,__,__,__, __,__,__,__, __,__,__,__, __,__,__,__,//0x10-0x1F __,__,__,__, __,__,__,__, __,__,__,62, __,__,__,63,//0x20-0x2f 52,53,54,55, 56,57,58,59, 60,            61,__,__, __, 0,__,__,//0x30-0x3f __, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10, 11,12,13,14,//0x40-0x4f 15,16,17,18, 19,20,21,22, 23,24,25,__, __,__,__,__,//0x50-0x5f __,26,27,28, 29,30,31,32, 33,34,35,3            6, 37,38,39,40,//0x60-0x6f 41,42,43,44, 45,46,47,48, 49,50,51,__, __,__,__,__,//0x70-0x7f __,__,__,__, __,__,__,__, __,__,__,__, __,__,__,__,//0x80-0x8f __,__,__,__, __,__,__,__, __,__,__,__, __,_ _,__,__,//0x90-0x9f __,__,__,__, __,__,__,__, __,__,__,__, __,__,__,__,//0xa0-0xaf __,__,_ _,__, __,__,__,__, __,__,__,__, __,__,__,__,//0XB0-0XBF __,__,__,__, __,__,__,__, __,__,__,__, __,__,__,__ ,//0XC0-0XCF __,__,__,__, __,__,__,__, __,__,__,__, __,__,__,__,//0xd0-0xdf __,__,__,__, _ _,__,__,__, __,__,__,__, __,__,__,__,//0xe0-0xef __,__,__,__, __,__,__,__, __,__,__,__, __,__,__,__,//0xf0-0xff};        StrBase64 = [strBase64 stringbyreplacingoccurrencesofstring:@ "=" withstring:@ ""];        NSData *encodeddata = [StrBase64 datausingencoding:nsasciistringencoding];           unsigned char *encodedbytes = (unsigned char *) [encodeddata bytes];        Nsuinteger encodedlength = [Encodeddata length];        Nsuinteger encodedblocks = (encodedlength+3) >> 2;                 Nsuinteger expecteddatalength = encodedblocks * 3;             unsigned char decodingblock[4];        Decodedbytes = malloc (expecteddatalength);            if (decodedbytes! = NULL) {Nsuinteger i = 0;            Nsuinteger j = 0;            Nsuinteger k = 0;            unsigned char c;                while (I < encodedlength) {c = decodingtable[encodedbytes[i]];                i++;  if (c! = __) {DECODINGBLOCK[J] = C;                  j + +; if (j = = 4) {Decodedbytes[k] = (Decodingblock[0] << 2) |                        (Decodingblock[1] >> 4); Decodedbytes[k+1] = (decodingblock[1] << 4) |                        (Decodingblock[2] >> 2); DECODEDBYTES[K+2] = (decodingblock[2] << 6) |                        (Decodingblock[3]);                        j = 0;                    K + = 3;                }}}//Process left through bytes, if any if (j = = 3) { Decodedbytes[k] = (Decodingblock[0] << 2) |                (Decodingblock[1] >> 4); Decodedbytes[k+1] = (decodingblock[1] << 4) |                (Decodingblock[2] >> 2);            K + = 2; } else if (j = = 2) {Decodedbytes[k] = (Decodingblock[0] << 2) |                (Decodingblock[1] >> 4);            K + = 1; } data = [[NSData alloc] Initwithbytes:decodedbytes length:k];        }} @catch (NSException *exception) {data = nil;    NSLog (@ "Warning:error occured while decoding base + string:%@", exception);        } @finally {if (decodedbytes! = NULL) {free (decodedbytes);     }} return data; } + (NSString *) Docipher: (NSString *) stextin key: (NSString *) SKey context: (ccoperation) Encryptordecrypt         {nsstringencoding EnC = nsutf8stringencoding;    Nsmutabledata *dtextin;    if (Encryptordecrypt = = kccdecrypt) {dtextin = [[Jodes decodebase64withstring:stextin] mutablecopy];    } else{dtextin = [[Stextin Datausingencoding:enc] mutablecopy];    } nsmutabledata * Dkey = [[SKey Datausingencoding:enc] mutablecopy];    [Dkey Setlength:kccblocksizedes];    uint8_t *bufferptr1 = NULL;    size_t bufferPtrSize1 = 0;    size_t movedBytes1 = 0;    uint8_t Iv[kccblocksizedes];    memset (void *) IV, 0x0, (size_t) sizeof (iv)); Byte iv[] = {0x12,0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF};    BufferPtrSize1 = ([stextin length] + kcckeysizedes) & ~ (KCCKEYSIZEDES-1);    BUFFERPTR1 = malloc (bufferPtrSize1 * sizeof (uint8_t));         memset (void *) BUFFERPTR1, 0x00, bufferPtrSize1); Cccrypt (Encryptordecrypt,//ccoperation op kccalgorithmdes,//Ccalgorithm ALG Kccoptionpkcs7paddin            g,//ccoptions options [dkey bytes],//const void *key [Dkey length],//size_t keylength// [Dkey bytes],//const void *iv [Dtextin bytes],//const void *datain [Dtextin length],//s ize_t datainlength (void *) BUFFERPTR1,//void *dataout bufferPtrSize1,//size_t Dataoutavailab         Le &movedbytes1);    [Dtextin release];         [Dkey release];    NSString * SRESULT; if (Encryptordecrypt = = kccdecrypt) {sresult = [[NSString alloc] Initwithdata:[nsdata datawithbytes:bufferptr1 Leng  TH:MOVEDBYTES1] Encoding:enc];      Free (BUFFERPTR1);        } else {NSData *dresult = [NSData datawithbytes:bufferptr1 length:movedbytes1];        Free (BUFFERPTR1);    Sresult = [Jodes Encodebase64withdata:dresult]; } return sresult;} @end
   
  
 

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