如何将jsp的表单密码域在提交之前进行加密!急!谢谢 http://pajhome.org.uk/crypt/md5/sha1src.html恰好看了这个链接:)提交之前用某个算法加密,提交到服务器,读出数据库中的用户密码,在用JavaBean写出加密算法的实现,然后比较加密后的数据,验证用户身份是否合法 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 这是我在把数据发送到银行时的加密方法:<%case "02" '建设银行%></p><script >/* to convert strings to a list of ascii values */var sAscii = " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ"var sAscii = sAscii + "[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~";/* convert integer to hex string */var sHex = "0123456789abcdef";function hex(i){ h = ""; for(j = 0; j <= 3; j++) { h += sHex.charAt((i >> (j * 8 + 4)) & 0x0F) + sHex.charAt((i >> (j * 8)) & 0x0F); } return h;}/* add, handling overflows correctly */function add(x, y){ return ((x&0x7FFFFFFF) + (y&0x7FFFFFFF)) ^ (x&0x80000000) ^ (y&0x80000000);}/* MD5 rounds functions */function R1(A, B, C, D, X, S, T){ q = add(add(A, (B & C) | (~B & D)), add(X, T)); return add((q << S) | ((q >> (32 - S)) & (Math.pow(2, S) - 1)), B);}function R2(A, B, C, D, X, S, T){ q = add(add(A, (B & D) | (C & ~D)), add(X, T)); return add((q << S) | ((q >> (32 - S)) & (Math.pow(2, S) - 1)), B);}function R3(A, B, C, D, X, S, T){ q = add(add(A, B ^ C ^ D), add(X, T)); return add((q << S) | ((q >> (32 - S)) & (Math.pow(2, S) - 1)), B);}function R4(A, B, C, D, X, S, T){ q = add(add(A, C ^ (B | ~D)), add(X, T)); return add((q << S) | ((q >> (32 - S)) & (Math.pow(2, S) - 1)), B);}/* main entry point */function calcMD5(sInp) { /* Calculate length in machine words, including padding */ wLen = (((sInp.length + 8) >> 6) + 1) << 4; var X = new Array(wLen); /* Convert string to array of words */ j = 4; for (i = 0; (i * 4) < sInp.length; i++) { X[i] = 0; for (j = 0; (j < 4) && ((j + i * 4) < sInp.length); j++) { X[i] += (sAscii.indexOf(sInp.charAt((i * 4) + j)) + 32) << (j * 8); } } /* Append padding bits and length */ if (j == 4) { X[i++] = 0x80; } else { X[i - 1] += 0x80 << (j * 8); } for(; i < wLen; i++) { X[i] = 0; } X[wLen - 2] = sInp.length * 8; /* hard-coded initial values */ a = 0x67452301; b = 0xefcdab89; c = 0x98badcfe; d = 0x10325476; /* Process each 16-word block in turn */ for (i = 0; i < wLen; i += 16) { aO = a; bO = b; cO = c; dO = d; a = R1(a, b, c, d, X[i+ 0], 7 , 0xd76aa478); d = R1(d, a, b, c, X[i+ 1], 12, 0xe8c7b756); c = R1(c, d, a, b, X[i+ 2], 17, 0x242070db); b = R1(b, c, d, a, X[i+ 3], 22, 0xc1bdceee); a = R1(a, b, c, d, X[i+ 4], 7 , 0xf57c0faf); d = R1(d, a, b, c, X[i+ 5], 12, 0x4787c62a); c = R1(c, d, a, b, X[i+ 6], 17, 0xa8304613); b = R1(b, c, d, a, X[i+ 7], 22, 0xfd469501); a = R1(a, b, c, d, X[i+ 8], 7 , 0x698098d8); d = R1(d, a, b, c, X[i+ 9], 12, 0x8b44f7af); c = R1(c, d, a, b, X[i+10], 17, 0xffff5bb1); b = R1(b, c, d, a, X[i+11], 22, 0x895cd7be); a = R1(a, b, c, d, X[i+12], 7 , 0x6b901122); d = R1(d, a, b, c, X[i+13], 12, 0xfd987193); c = R1(c, d, a, b, X[i+14], 17, 0xa679438e); b = R1(b, c, d, a, X[i+15], 22, 0x49b40821); a = R2(a, b, c, d, X[i+ 1], 5 , 0xf61e2562); d = R2(d, a, b, c, X[i+ 6], 9 , 0xc040b340); c = R2(c, d, a, b, X[i+11], 14, 0x265e5a51); b = R2(b, c, d, a, X[i+ 0], 20, 0xe9b6c7aa); a = R2(a, b, c, d, X[i+ 5], 5 , 0xd62f105d); d = R2(d, a, b, c, X[i+10], 9 , 0x2441453); c = R2(c, d, a, b, X[i+15], 14, 0xd8a1e681); b = R2(b, c, d, a, X[i+ 4], 20, 0xe7d3fbc8); a = R2(a, b, c, d, X[i+ 9], 5 , 0x21e1cde6); d = R2(d, a, b, c, X[i+14], 9 , 0xc33707d6); c = R2(c, d, a, b, X[i+ 3], 14, 0xf4d50d87); b = R2(b, c, d, a, X[i+ 8], 20, 0x455a14ed); a = R2(a, b, c, d, X[i+13], 5 , 0xa9e3e905); d = R2(d, a, b, c, X[i+ 2], 9 , 0xfcefa3f8); c = R2(c, d, a, b, X[i+ 7], 14, 0x676f02d9); b = R2(b, c, d, a, X[i+12], 20, 0x8d2a4c8a); a = R3(a, b, c, d, X[i+ 5], 4 , 0xfffa3942); d = R3(d, a, b, c, X[i+ 8], 11, 0x8771f681); c = R3(c, d, a, b, X[i+11], 16, 0x6d9d6122); b = R3(b, c, d, a, X[i+14], 23, 0xfde5380c); a = R3(a, b, c, d, X[i+ 1], 4 , 0xa4beea44); d = R3(d, a, b, c, X[i+ 4], 11, 0x4bdecfa9); c = R3(c, d, a, b, X[i+ 7], 16, 0xf6bb4b60); b = R3(b, c, d, a, X[i+10], 23, 0xbebfbc70); a = R3(a, b, c, d, X[i+13], 4 , 0x289b7ec6); d = R3(d, a, b, c, X[i+ 0], 11, 0xeaa127fa); c = R3(c, d, a, b, X[i+ 3], 16, 0xd4ef3085); b = R3(b, c, d, a, X[i+ 6], 23, 0x4881d05); a = R3(a, b, c, d, X[i+ 9], 4 , 0xd9d4d039); d = R3(d, a, b, c, X[i+12], 11, 0xe6db99e5); c = R3(c, d, a, b, X[i+15], 16, 0x1fa27cf8); b = R3(b, c, d, a, X[i+ 2], 23, 0xc4ac5665); a = R4(a, b, c, d, X[i+ 0], 6 , 0xf4292244); d = R4(d, a, b, c, X[i+ 7], 10, 0x432aff97); c = R4(c, d, a, b, X[i+14], 15, 0xab9423a7); b = R4(b, c, d, a, X[i+ 5], 21, 0xfc93a039); a = R4(a, b, c, d, X[i+12], 6 , 0x655b59c3); d = R4(d, a, b, c, X[i+ 3], 10, 0x8f0ccc92); c = R4(c, d, a, b, X[i+10], 15, 0xffeff47d); b = R4(b, c, d, a, X[i+ 1], 21, 0x85845dd1); a = R4(a, b, c, d, X[i+ 8], 6 , 0x6fa87e4f); d = R4(d, a, b, c, X[i+15], 10, 0xfe2ce6e0); c = R4(c, d, a, b, X[i+ 6], 15, 0xa3014314); b = R4(b, c, d, a, X[i+13], 21, 0x4e0811a1); a = R4(a, b, c, d, X[i+ 4], 6 , 0xf7537e82); d = R4(d, a, b, c, X[i+11], 10, 0xbd3af235); c = R4(c, d, a, b, X[i+ 2], 15, 0x2ad7d2bb); b = R4(b, c, d, a, X[i+ 9], 21, 0xeb86d391); a = add(a, aO); b = add(b, bO); c = add(c, cO); d = add(d, dO); } return hex(a) + hex(b) + hex(c) + hex(d);}</script> 呵呵,只加密密码的话,用md4,md5或SHA-1这样的单向映射算法比较合适,要加密传输信息才需要用ssl。 http://www.csdn.net/expert/topic/817/817127.xml?temp=.1124994里面有一断md5,可以拿来用用 其实md5,sha-1都不是加密算法来的,它们是把一个串通过特定的步骤计算出一串16进制数,这串16进制数和原来的串有单向对应的关系:你用原来的串再计算一遍,得到的还是原来的16进制数,可是你用这串16进制数,无论如何也算不回原来的串,而且用一个不同的串,几乎完全不可能得到相同的一串16进制数。 一个关于select标签的index默认选择问题 extjs grid分页显示的问题... eclipse 屏蔽js文件报错 问题! 请问关于js输入和得到时间 用图标按钮的JS控制WMP的全一点的代码?我看网上都是只能实现一二个功能。 “又是关于闭包的疑问,比较高级的疑问”的结论,有ECMA的理论依据,也恳请cloudgamer来审阅一下 求助,又是IE与FF的兼容问题。 怎样能够使OnMouseMove和OnClick事件都好使 去掉字符串前后空格的函数? 请问如何通过javascript的语句判断叶面有没有load了 一个简单正则表达式的问题 如何操作xmldom?
<%case "02" '建设银行%></p>
<script >
/* to convert strings to a list of ascii values */
var sAscii = " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ"
var sAscii = sAscii + "[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~";/* convert integer to hex string */
var sHex = "0123456789abcdef";
function hex(i)
{
h = "";
for(j = 0; j <= 3; j++)
{
h += sHex.charAt((i >> (j * 8 + 4)) & 0x0F) +
sHex.charAt((i >> (j * 8)) & 0x0F);
}
return h;
}/* add, handling overflows correctly */
function add(x, y)
{
return ((x&0x7FFFFFFF) + (y&0x7FFFFFFF)) ^ (x&0x80000000) ^ (y&0x80000000);
}/* MD5 rounds functions */
function R1(A, B, C, D, X, S, T)
{
q = add(add(A, (B & C) | (~B & D)), add(X, T));
return add((q << S) | ((q >> (32 - S)) & (Math.pow(2, S) - 1)), B);
}function R2(A, B, C, D, X, S, T)
{
q = add(add(A, (B & D) | (C & ~D)), add(X, T));
return add((q << S) | ((q >> (32 - S)) & (Math.pow(2, S) - 1)), B);
}function R3(A, B, C, D, X, S, T)
{
q = add(add(A, B ^ C ^ D), add(X, T));
return add((q << S) | ((q >> (32 - S)) & (Math.pow(2, S) - 1)), B);
}function R4(A, B, C, D, X, S, T)
{
q = add(add(A, C ^ (B | ~D)), add(X, T));
return add((q << S) | ((q >> (32 - S)) & (Math.pow(2, S) - 1)), B);
}/* main entry point */
function calcMD5(sInp) { /* Calculate length in machine words, including padding */
wLen = (((sInp.length + 8) >> 6) + 1) << 4;
var X = new Array(wLen); /* Convert string to array of words */
j = 4;
for (i = 0; (i * 4) < sInp.length; i++)
{
X[i] = 0;
for (j = 0; (j < 4) && ((j + i * 4) < sInp.length); j++)
{
X[i] += (sAscii.indexOf(sInp.charAt((i * 4) + j)) + 32) << (j * 8);
}
} /* Append padding bits and length */
if (j == 4)
{
X[i++] = 0x80;
}
else
{
X[i - 1] += 0x80 << (j * 8);
}
for(; i < wLen; i++) { X[i] = 0; }
X[wLen - 2] = sInp.length * 8; /* hard-coded initial values */
a = 0x67452301;
b = 0xefcdab89;
c = 0x98badcfe;
d = 0x10325476; /* Process each 16-word block in turn */
for (i = 0; i < wLen; i += 16) {
aO = a;
bO = b;
cO = c;
dO = d; a = R1(a, b, c, d, X[i+ 0], 7 , 0xd76aa478);
d = R1(d, a, b, c, X[i+ 1], 12, 0xe8c7b756);
c = R1(c, d, a, b, X[i+ 2], 17, 0x242070db);
b = R1(b, c, d, a, X[i+ 3], 22, 0xc1bdceee);
a = R1(a, b, c, d, X[i+ 4], 7 , 0xf57c0faf);
d = R1(d, a, b, c, X[i+ 5], 12, 0x4787c62a);
c = R1(c, d, a, b, X[i+ 6], 17, 0xa8304613);
b = R1(b, c, d, a, X[i+ 7], 22, 0xfd469501);
a = R1(a, b, c, d, X[i+ 8], 7 , 0x698098d8);
d = R1(d, a, b, c, X[i+ 9], 12, 0x8b44f7af);
c = R1(c, d, a, b, X[i+10], 17, 0xffff5bb1);
b = R1(b, c, d, a, X[i+11], 22, 0x895cd7be);
a = R1(a, b, c, d, X[i+12], 7 , 0x6b901122);
d = R1(d, a, b, c, X[i+13], 12, 0xfd987193);
c = R1(c, d, a, b, X[i+14], 17, 0xa679438e);
b = R1(b, c, d, a, X[i+15], 22, 0x49b40821); a = R2(a, b, c, d, X[i+ 1], 5 , 0xf61e2562);
d = R2(d, a, b, c, X[i+ 6], 9 , 0xc040b340);
c = R2(c, d, a, b, X[i+11], 14, 0x265e5a51);
b = R2(b, c, d, a, X[i+ 0], 20, 0xe9b6c7aa);
a = R2(a, b, c, d, X[i+ 5], 5 , 0xd62f105d);
d = R2(d, a, b, c, X[i+10], 9 , 0x2441453);
c = R2(c, d, a, b, X[i+15], 14, 0xd8a1e681);
b = R2(b, c, d, a, X[i+ 4], 20, 0xe7d3fbc8);
a = R2(a, b, c, d, X[i+ 9], 5 , 0x21e1cde6);
d = R2(d, a, b, c, X[i+14], 9 , 0xc33707d6);
c = R2(c, d, a, b, X[i+ 3], 14, 0xf4d50d87);
b = R2(b, c, d, a, X[i+ 8], 20, 0x455a14ed);
a = R2(a, b, c, d, X[i+13], 5 , 0xa9e3e905);
d = R2(d, a, b, c, X[i+ 2], 9 , 0xfcefa3f8);
c = R2(c, d, a, b, X[i+ 7], 14, 0x676f02d9);
b = R2(b, c, d, a, X[i+12], 20, 0x8d2a4c8a); a = R3(a, b, c, d, X[i+ 5], 4 , 0xfffa3942);
d = R3(d, a, b, c, X[i+ 8], 11, 0x8771f681);
c = R3(c, d, a, b, X[i+11], 16, 0x6d9d6122);
b = R3(b, c, d, a, X[i+14], 23, 0xfde5380c);
a = R3(a, b, c, d, X[i+ 1], 4 , 0xa4beea44);
d = R3(d, a, b, c, X[i+ 4], 11, 0x4bdecfa9);
c = R3(c, d, a, b, X[i+ 7], 16, 0xf6bb4b60);
b = R3(b, c, d, a, X[i+10], 23, 0xbebfbc70);
a = R3(a, b, c, d, X[i+13], 4 , 0x289b7ec6);
d = R3(d, a, b, c, X[i+ 0], 11, 0xeaa127fa);
c = R3(c, d, a, b, X[i+ 3], 16, 0xd4ef3085);
b = R3(b, c, d, a, X[i+ 6], 23, 0x4881d05);
a = R3(a, b, c, d, X[i+ 9], 4 , 0xd9d4d039);
d = R3(d, a, b, c, X[i+12], 11, 0xe6db99e5);
c = R3(c, d, a, b, X[i+15], 16, 0x1fa27cf8);
b = R3(b, c, d, a, X[i+ 2], 23, 0xc4ac5665); a = R4(a, b, c, d, X[i+ 0], 6 , 0xf4292244);
d = R4(d, a, b, c, X[i+ 7], 10, 0x432aff97);
c = R4(c, d, a, b, X[i+14], 15, 0xab9423a7);
b = R4(b, c, d, a, X[i+ 5], 21, 0xfc93a039);
a = R4(a, b, c, d, X[i+12], 6 , 0x655b59c3);
d = R4(d, a, b, c, X[i+ 3], 10, 0x8f0ccc92);
c = R4(c, d, a, b, X[i+10], 15, 0xffeff47d);
b = R4(b, c, d, a, X[i+ 1], 21, 0x85845dd1);
a = R4(a, b, c, d, X[i+ 8], 6 , 0x6fa87e4f);
d = R4(d, a, b, c, X[i+15], 10, 0xfe2ce6e0);
c = R4(c, d, a, b, X[i+ 6], 15, 0xa3014314);
b = R4(b, c, d, a, X[i+13], 21, 0x4e0811a1);
a = R4(a, b, c, d, X[i+ 4], 6 , 0xf7537e82);
d = R4(d, a, b, c, X[i+11], 10, 0xbd3af235);
c = R4(c, d, a, b, X[i+ 2], 15, 0x2ad7d2bb);
b = R4(b, c, d, a, X[i+ 9], 21, 0xeb86d391); a = add(a, aO);
b = add(b, bO);
c = add(c, cO);
d = add(d, dO);
}
return hex(a) + hex(b) + hex(c) + hex(d);
}</script>