Question

我有两个十六进制数字，为了试验OTP，我试图用C＃进行异或。不幸的是，这两个数字都在数百个数字的数量级 - 显然太大而无法存储在int或long中。我如何存储/删除它们？现在，我像BigInteger那样存储：

public static string XOR(string string_1, string string_2){
            BigInteger b1 = BigInteger.Parse(string_1, System.Globalization.NumberStyles.AllowHexSpecifier);
            BigInteger b2 = BigInteger.Parse(string_2, System.Globalization.NumberStyles.AllowHexSpecifier);
            BigInteger retVal = b1 ^ b2;
            return retVal.ToString("X");
        }

未产生预期结果。谢谢！

编辑：

输入：

string_1 = 32510bfbacfbb9befd54415da243e1695ecabd58c519cd4bd90f1fa6ea5ba47b01c909ba7696cf606ef40c04afe1ac0aa8148dd066592ded9f8774b529c7ea125d298e8883f5e9305f4b44f915cb2bd05af51373fd9b4af511039fa2d96f83414aaaf261bda2e97b170fb5cce2a53e675c154c0d9681596934777e2275b381ce2e40582afe67650b13e72287ff2270abcf73bb028932836fbdecfecee0a3b894473c1bbeb6b4913a536ce4f9b13f1efff71ea313c8661dd9a4ce
string_2 = 71946f9bbb2aeadec111841a81abc300ecaa01bd8069d5cc91005e9fe4aad6e04d513e96d99de2569bc5e50eeeca709b50a8a987f4264edb6896fb537d0a716132ddc938fb0f836480e06ed0fcd6e9759f40462f9cf57f4564186a2c1778f1543efa270bda5e933421cbe88a4a52222190f471e9bd15f652b653b7071aec59a2705081ffe72651d08f822c9ed6d76e48b63ab15d0208573a7eef027

预期结果（根据Python和this online XOR calculator）：

32510bfbacfbb9befd54415da243e1695ecabd58c519cd4bd90f1fa6ea5b83624730b208d83b237176b5a41e13d1a2c0080f55d6fb05e4fd9a6e8aff84a9eec74ec0e3115dd0808c011baa15b2c29edad06d6c319976fc7c7eb6a8727e79906c96397dd14594a17511e2ba018c3267935877b5c2c1750f28b2d5bf55faa6c2218c30e58f17542717ad6f8622dd0069a4886d20d3d657a80a869c8f6025399f914f23e5ccd3a999c271a50994c7db959c5c0b73334d15ba3754e9

Answer 1

似乎有人不想相信。

var string_1 = "32510bfbacfbb9befd54415da243e1695ecabd58c519cd4bd90f1fa6ea5ba47b01c909ba7696cf606ef40c04afe1ac0aa8148dd066592ded9f8774b529c7ea125d298e8883f5e9305f4b44f915cb2bd05af51373fd9b4af511039fa2d96f83414aaaf261bda2e97b170fb5cce2a53e675c154c0d9681596934777e2275b381ce2e40582afe67650b13e72287ff2270abcf73bb028932836fbdecfecee0a3b894473c1bbeb6b4913a536ce4f9b13f1efff71ea313c8661dd9a4ce";
var string_2 = "71946f9bbb2aeadec111841a81abc300ecaa01bd8069d5cc91005e9fe4aad6e04d513e96d99de2569bc5e50eeeca709b50a8a987f4264edb6896fb537d0a716132ddc938fb0f836480e06ed0fcd6e9759f40462f9cf57f4564186a2c1778f1543efa270bda5e933421cbe88a4a52222190f471e9bd15f652b653b7071aec59a2705081ffe72651d08f822c9ed6d76e48b63ab15d0208573a7eef027";

//copied from https://xor.pw/?
string expectedResult = "32510bfbacfbb9befd54415da243e1695ecabd58c519cd4bd90f1fa6ea5ba3624730b208d83b237176b5a41e13d1a2c0080f55d6fb05e4fd9a6e8aff84a9eec74ec0e3115dd0808c011baa15b2c29edad06d6c319976fc7c7eb6a8727e79906c96397dd14594a17511e2ba018c3267935877b5c2c1750f28b2d5bf55faa6c2218c30e58f17542717ad6f8622dd0069a4886d20d3d657a80a869c8f6025399f914f23e5ccd3a999c271a50994c7db959c5c0b73334d15ba3754e9";

BigInteger b1 = BigInteger.Parse(string_1, NumberStyles.HexNumber);
BigInteger b2 = BigInteger.Parse(string_2, NumberStyles.HexNumber);
BigInteger retVal = b1 ^ b2;
var res = retVal.ToString("X").ToLower() == expectedResult;

在答案中猜出res。当然 TRUE 。：）

C＃Bitwise XOR两个非常大的十六进制数

1 个答案: