ID Number Verification Bank card number verification

Identification Number Verification

/* approval System ID card verification * ID Card 15-bit encoding rules: DDDDDD YYMMDD xx p * Dddddd:6 bit area code * YYMMDD: Year of birth (two years) month day, such as: 910215 * XX: Sequential encoding, System generation, unable to determine * p: gender, odd male, even female * ID 18-bit encoding rule: dddddd yyyymmdd xxx y * dddddd:6 Location Code * YYYYMMD  D: Year of birth (four years) month day, such as: 19910215 * XXX: Sequential encoding, System generation, cannot be determined, odd male, even female * y: Check code, this bit value can be calculated by the first 17 digits * * The first 17 digits weighting factor for Wi = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2] * Verify bit Y = [1, 0, 10, 9, 8, 7, 6, 5, 4, 3, 2] * If the verification code just Good is 10, in order to ensure that the identity card is 18, then the 18th bit will use X to replace the * check digit calculation formula: y_p = mod (∑ (AIXWI), one) * I for the ID number 1 ... 17 bits; Y_p is the check Code array location for the checksum y * /      function isidcardno(idcard){         Regular Expressions for//15-bit and 18-bit ID numbers         varregidcard=/^ (^[1-9]\d{7} ((0\d) | ( 1[0-2]) (([0|1|2]\d) |3[0-1]) \d{3}$) | (^[1-9]\d{5}[1-9]\d{3} ((0\d) | ( 1[0-2]) (([0|1|2]\d) |3[0-1]) ((\d{4}) |\d{3}[xx]) $) $/;//If you pass this verification, the ID card format is correct, but the accuracy must be calculated         if(Regidcard.test (Idcard)) {if(idcard.length== -){varIdcardwi=New Array(7,9,Ten,5,8,4,2,1,6,3,7,9,Ten,5,8,4,2);//Save the first 17-bit weighting factor in the array                 varidcardy=New Array(1,0,Ten,9,8,7,6,5,4,3,2);//This is the 11-bit remainder, the verification code, which is divided by 11, which may result in an array of                 varidcardwisum=0;//used to hold the sum of the first 17 digits after the weighted factor                  for(varI=0;i< -; i++) {idcardwisum+=idcard.substring (i,i+1) *idcardwi[i]; }varidcardmod=idcardwisum% One;//Calculate the location of the array where the checksum is located                 varIdcardlast=idcard.substring ( -);//Get last ID number                 //If equal to 2, then the check code is 10, ID number The last one should be x                 if(idcardmod==2){if(idcardlast=="X"|| idcardlast=="x"){//alert ("Congratulations are verified!") ");                         return true; }Else{//alert ("ID card number is wrong! ");                             return false; }                     }Else{//Use the calculated verification code to match the last identity card number, if consistent, the instructions passed, otherwise it is invalid ID number                         if(Idcardlast==idcardy[idcardmod]) {//alert ("Congratulations are verified!") ");                             return true; }Else{//alert ("ID card number is wrong! ");                         return false; }                 }                 }             }Else{//alert ("ID card format is incorrect!");                 return false; }     }

Bank card number Verification

 //luhm Check rule: 16-digit bank card number (19-bit generic):      //1. The 15 (or 18) position card number without the check digit is numbered 1 through 15 (18) from the right, and the number on the odd digit number is multiplied by 2.       //2. Add all 10 bits of the singular product, plus the numbers on all even digits.       //3. The addition and calibration potentials are divisible by 10.       //method steps are clear and easy to understand and need to be referenced on the page jquery.js      //bankno for the bank card number banknoinfo the DIV or other control that displays the cue information       function luhmcheck(bankno){          varLastnum=bankno.substr (bankno.length-1,1);//Remove the last one (compare with Luhm)          varFIRST15NUM=BANKNO.SUBSTR (0, bankno.length-1);//Top 15 or 18 bits          varNewarr=New Array(); for(vari=first15num.length-1; i>-1; i--) {//First 15 or 18 bit in reverse in an arrayNewarr.push (First15num.substr (i,1)); }vararrjishu=New Array();//Odd digit * * The product <9          varArrjishu2=New Array();//Odd digit * * The product >9          vararroushu=New Array();//Even digit array           for(varj=0; j<newarr.length;j++) {if((j+1)%2==1){//odd digit                  if(parseint(Newarr[j]) *2<9) Arrjishu.push (parseint(Newarr[j]) *2);ElseArrjishu2.push (parseint(Newarr[j]) *2); }Else //Even digitArroushu.push (Newarr[j]); }varjishu_child1=New Array();//Odd digit * * >9 after the split of the array single digit          varJishu_child2=New Array();//Odd digit * * >9 the array after the split 10-digit           for(varH=0; h<arrjishu2.length;h++) {Jishu_child1.push (parseint(Arrjishu2[h])%Ten); Jishu_child2.push (parseint(Arrjishu2[h])/Ten); }varsumjishu=0;//Odd digit < 9 array of the sum          varsumoushu=0;sum of//even bit arrays          varsumjishuchild1=0;//Odd digit * * >9 the sum of the single digits of the array after the split          varSumjishuchild2=0;//Odd digit * * >9 the sum of the array 10 digits after the partition          varSumtotal=0; for(varm=0; m<arrjishu.length;m++) {sumjishu=sumjishu+parseint(Arrjishu[m]); } for(varn=0; n<arroushu.length;n++) {sumoushu=sumoushu+parseint(Arroushu[n]); } for(varp=0;p <jishu_child1.length;p++) {sumjishuchild1=sumjishuchild1+parseint(Jishu_child1[p]); sumjishuchild2=sumjishuchild2+parseint(Jishu_child2[p]); }//Calculate sumSumtotal=parseint(Sumjishu) +parseint(Sumoushu) +parseint(sumJiShuChild1) +parseint(SUMJISHUCHILD2);//Calculate LUHM value          vark=parseint(sumtotal)%Ten==0?Ten:parseint(sumtotal)%Ten;varluhm=Ten-K;if(LASTNUM==LUHM) {//$ ("#banknoInfo"). HTML ("Luhm authentication passed");          return true; }Else{//$ ("#banknoInfo"). HTML ("bank card number must conform to LUHM checksum");          return false; }              }

ID Number Verification Bank card number verification