using?System;
using?System.Globalization;
using?System.Text;

namespace?smcrypto
{
????///?

????///?字節(jié)數(shù)組操作擴(kuò)展類
????///?

????static?class?ByteUtils
????{
????????internal?static?byte[]?AsciiBytes（string?s）
????????{
????????????byte[]?bytes?=?new?byte[s.Length];

????????????for?（int?i?=?0;?i?????????????{
????????????????bytes[i]?=?（byte）s[i];
????????????}

????????????return?bytes;
????????}

????????internal?static?byte[]?HexToByteArray（this?string?hexString）
????????{
????????????byte[]?bytes?=?new?byte[hexString.Length?/?2];

????????????for?（int?i?=?0;?i?????????????{
????????????????string?s?=?hexString.Substring（i?2）;
????????????????bytes[i?/?2]?=?byte.Parse（s?Numberstyles.HexNumber?null）;
????????????}

????????????return?bytes;
????????}

????????internal?static?string?ByteArrayToHex（this?byte[]?bytes）
????????{
????????????StringBuilder?builder?=?new?StringBuilder（bytes.Length?*?2）;

????????????foreach?（byte?b?in?bytes）
????????????{
????????????????builder.Append（b.ToString（“X2“））;
????????????}

????????????return?builder.ToString（）;
????????}

????????internal?static?string?ByteArrayToHex（this?byte[]?bytes?int?len）
????????{
????????????return?ByteArrayToHex（bytes）.Substring（0?len?*?2）;
????????}

????????internal?static?byte[]?RepeatByte（byte?b?int?count）
????????{
????????????byte[]?value?=?new?byte[count];

????????????for?（int?i?=?0;?i?????????????{
????????????????value[i]?=?b;
????????????}

????????????return?value;
????????}

????????internal?static?byte[]?SubBytes（this?byte[]?bytes?int?startIndex?int?length?）
????????{
????????????byte[]?res?=?new?byte[length];
????????????Array.Copy（bytes?startIndex?res?0?length）;
????????????return?res;
????????}

????????internal?static?byte[]?XOR（this?byte[]?value）
????????{
????????????byte[]?res?=?new?byte[value.Length];
????????????for?（int?i?=?0;?i?????????????{
????????????????res[i]?^=?value[i];
????????????}
????????????return?res;
????????}

????????internal?static?byte[]?XOR（this?byte[]?valueA?byte[]?valueB）
????????{
????????????int?len?=?valueA.Length;
????????????byte[]?res?=?new?byte[len];
????????????for?（int?i?=?0;?i?????????????{
????????????????res[i]?=?（byte）（valueA[i]?^?valueB[i]）;
????????????}
????????????return?res;
????????}
????}
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-08-21?15:07??smcrypto-master\
?????文件????????2518??2017-08-21?15:07??smcrypto-master\.gitattributes
?????文件????????4305??2017-08-21?15:07??smcrypto-master\.gitignore
?????文件????????1095??2017-08-21?15:07??smcrypto-master\smcrypto.sln
?????目錄???????????0??2017-08-21?15:07??smcrypto-master\smcrypto\
?????文件????????2401??2017-08-21?15:07??smcrypto-master\smcrypto\ByteUtils.cs
?????文件????????3916??2017-08-21?15:07??smcrypto-master\smcrypto\Chiper.cs
?????文件?????????554??2017-08-21?15:07??smcrypto-master\smcrypto\Program.cs
?????目錄???????????0??2017-08-21?15:07??smcrypto-master\smcrypto\Properties\
?????目錄???????????0??2017-08-21?15:07??smcrypto-master\smcrypto\Properties\PublishProfiles\
?????文件?????????610??2017-08-21?15:07??smcrypto-master\smcrypto\Properties\PublishProfiles\FolderProfile.pubxml
?????文件????????4155??2017-08-21?15:07??smcrypto-master\smcrypto\SM2.cs
?????文件????????4254??2017-08-21?15:07??smcrypto-master\smcrypto\SM2Utils.cs
?????文件???????11151??2017-08-21?15:07??smcrypto-master\smcrypto\SM3.cs
?????文件???????11317??2017-08-21?15:07??smcrypto-master\smcrypto\SM4.cs
?????文件????????3777??2017-08-21?15:07??smcrypto-master\smcrypto\SM4Utils.cs
?????文件?????????274??2017-08-21?15:07??smcrypto-master\smcrypto\smcrypto.csproj