md5_jsp.java

vb+java实现的图书管理系统

      out.write("c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632); \r\n");
      out.write("b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640); \r\n");
      out.write("a = md5_hh(a, b, c, d, x[i+13], 4 , 681279174); \r\n");
      out.write("d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222); \r\n");
      out.write("c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979); \r\n");
      out.write("b = md5_hh(b, c, d, a, x[i+ 6], 23, 76029189); \r\n");
      out.write("a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487); \r\n");
      out.write("d = md5_hh(d, a, b, c, x[i+12], 11, -421815835); \r\n");
      out.write("c = md5_hh(c, d, a, b, x[i+15], 16, 530742520); \r\n");
      out.write("b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651); \r\n");
      out.write("\r\n");
      out.write("a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844); \r\n");
      out.write("d = md5_ii(d, a, b, c, x[i+ 7], 10, 1126891415); \r\n");
      out.write("c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905); \r\n");
      out.write("b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055); \r\n");
      out.write("a = md5_ii(a, b, c, d, x[i+12], 6 , 1700485571); \r\n");
      out.write("d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606); \r\n");
      out.write("c = md5_ii(c, d, a, b, x[i+10], 15, -1051523); \r\n");
      out.write("b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799); \r\n");
      out.write("a = md5_ii(a, b, c, d, x[i+ 8], 6 , 1873313359); \r\n");
      out.write("d = md5_ii(d, a, b, c, x[i+15], 10, -30611744); \r\n");
      out.write("c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380); \r\n");
      out.write("b = md5_ii(b, c, d, a, x[i+13], 21, 1309151649); \r\n");
      out.write("a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070); \r\n");
      out.write("d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379); \r\n");
      out.write("c = md5_ii(c, d, a, b, x[i+ 2], 15, 718787259); \r\n");
      out.write("b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551); \r\n");
      out.write("\r\n");
      out.write("a = safe_add(a, olda); \r\n");
      out.write("b = safe_add(b, oldb); \r\n");
      out.write("c = safe_add(c, oldc); \r\n");
      out.write("d = safe_add(d, oldd); \r\n");
      out.write("} \r\n");
      out.write("return Array(a, b, c, d); \r\n");
      out.write("\r\n");
      out.write("} \r\n");
      out.write("\r\n");
      out.write("/* \r\n");
      out.write("* These functions implement the four basic operations the algorithm uses. \r\n");
      out.write("*/ \r\n");
      out.write("function md5_cmn(q, a, b, x, s, t) \r\n");
      out.write("{ \r\n");
      out.write("return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b); \r\n");
      out.write("} \r\n");
      out.write("function md5_ff(a, b, c, d, x, s, t) \r\n");
      out.write("{ \r\n");
      out.write("return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t); \r\n");
      out.write("} \r\n");
      out.write("function md5_gg(a, b, c, d, x, s, t) \r\n");
      out.write("{ \r\n");
      out.write("return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t); \r\n");
      out.write("} \r\n");
      out.write("function md5_hh(a, b, c, d, x, s, t) \r\n");
      out.write("{ \r\n");
      out.write("return md5_cmn(b ^ c ^ d, a, b, x, s, t); \r\n");
      out.write("} \r\n");
      out.write("function md5_ii(a, b, c, d, x, s, t) \r\n");
      out.write("{ \r\n");
      out.write("return md5_cmn(c ^ (b | (~d)), a, b, x, s, t); \r\n");
      out.write("} \r\n");
      out.write("\r\n");
      out.write("/* \r\n");
      out.write("* Calculate the HMAC-MD5, of a key and some data \r\n");
      out.write("*/ \r\n");
      out.write("function core_hmac_md5(key, data) \r\n");
      out.write("{ \r\n");
      out.write("var bkey = str2binl(key); \r\n");
      out.write("if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz); \r\n");
      out.write("\r\n");
      out.write("var ipad = Array(16), opad = Array(16); \r\n");
      out.write("for(var i = 0; i < 16; i++) \r\n");
      out.write("{ \r\n");
      out.write("ipad[i] = bkey[i] ^ 0x36363636; \r\n");
      out.write("opad[i] = bkey[i] ^ 0x5C5C5C5C; \r\n");
      out.write("} \r\n");
      out.write("\r\n");
      out.write("var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz); \r\n");
      out.write("return core_md5(opad.concat(hash), 512 + 128); \r\n");
      out.write("} \r\n");
      out.write("\r\n");
      out.write("/* \r\n");
      out.write("* Add integers, wrapping at 2^32. This uses 16-bit operations internally \r\n");
      out.write("* to work around bugs in some JS interpreters. \r\n");
      out.write("*/ \r\n");
      out.write("function safe_add(x, y) \r\n");
      out.write("{ \r\n");
      out.write("var lsw = (x & 0xFFFF) + (y & 0xFFFF); \r\n");
      out.write("var msw = (x >> 16) + (y >> 16) + (lsw >> 16); \r\n");
      out.write("return (msw << 16) | (lsw & 0xFFFF); \r\n");
      out.write("} \r\n");
      out.write("\r\n");
      out.write("/* \r\n");
      out.write("* Bitwise rotate a 32-bit number to the left. \r\n");
      out.write("*/ \r\n");
      out.write("function bit_rol(num, cnt) \r\n");
      out.write("{ \r\n");
      out.write("return (num << cnt) | (num >>> (32 - cnt)); \r\n");
      out.write("} \r\n");
      out.write("\r\n");
      out.write("/* \r\n");
      out.write("* Convert a string to an array of little-endian words \r\n");
      out.write("* If chrsz is ASCII, characters >255 have their hi-byte silently ignored. \r\n");
      out.write("*/ \r\n");
      out.write("function str2binl(str) \r\n");
      out.write("{ \r\n");
      out.write("var bin = Array(); \r\n");
      out.write("var mask = (1 << chrsz) - 1; \r\n");
      out.write("for(var i = 0; i < str.length * chrsz; i += chrsz) \r\n");
      out.write("bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32); \r\n");
      out.write("return bin; \r\n");
      out.write("} \r\n");
      out.write("\r\n");
      out.write("/* \r\n");
      out.write("* Convert an array of little-endian words to a hex string. \r\n");
      out.write("*/ \r\n");
      out.write("function binl2hex(binarray) \r\n");
      out.write("{ \r\n");
      out.write("var hex_tab = hexcase ? \"0123456789ABCDEF\" : \"0123456789abcdef\"; \r\n");
      out.write("var str = \"\"; \r\n");
      out.write("for(var i = 0; i < binarray.length * 4; i++) \r\n");
      out.write("{ \r\n");
      out.write("str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) + \r\n");
      out.write("hex_tab.charAt((binarray[i>>2] >> ((i%4)*8 )) & 0xF); \r\n");
      out.write("} \r\n");
      out.write("return str; \r\n");
      out.write("} \r\n");
      out.write("\r\n");
      out.write("/* \r\n");
      out.write("* Convert an array of little-endian words to a base-64 string \r\n");
      out.write("*/ \r\n");
      out.write("function binl2b64(binarray) \r\n");
      out.write("{ \r\n");
      out.write("var tab = \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\"; \r\n");
      out.write("var str = \"\"; \r\n");
      out.write("for(var i = 0; i < binarray.length * 4; i += 3) \r\n");
      out.write("{ \r\n");
      out.write("var triplet = (((binarray[i >> 2] >> 8 * ( i %4)) & 0xFF) << 16) \r\n");
      out.write("| (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 ) \r\n");
      out.write("| ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF); \r\n");
      out.write("for(var j = 0; j < 4; j++) \r\n");
      out.write("{ \r\n");
      out.write("if(i * 8 + j * 6 > binarray.length * 32) str += b64pad; \r\n");
      out.write("else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F); \r\n");
      out.write("} \r\n");
      out.write("} \r\n");
      out.write("return str; \r\n");
      out.write("} \r\n");
      out.write("</script>\r\n");
      out.write("\r\n");
      out.write("\t</body>\r\n");
      out.write("</html>\r\n");
    } catch (Throwable t) {
      if (!(t instanceof SkipPageException)){
        out = _jspx_out;
        if (out != null && out.getBufferSize() != 0)
          try { out.clearBuffer(); } catch (java.io.IOException e) {}
        if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
      }
    } finally {
      _jspxFactory.releasePageContext(_jspx_page_context);
    }
  }
}