wasSharpNET – Blame information for rev 10
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2 | office | 1 | /////////////////////////////////////////////////////////////////////////// |
2 | // Copyright (C) Wizardry and Steamworks 2016 - License: GNU GPLv3 // |
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3 | // Please see: http://www.gnu.org/licenses/gpl.html for legal details, // |
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4 | // rights of fair usage, the disclaimer and warranty conditions. // |
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5 | /////////////////////////////////////////////////////////////////////////// |
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6 | |||
7 | using System; |
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10 | office | 8 | using System.IO; |
5 | office | 9 | using System.Text; |
10 | office | 10 | using System.Threading.Tasks; |
2 | office | 11 | |
12 | namespace wasSharpNET.Cryptography |
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13 | { |
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14 | public static class SHA1 |
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15 | { |
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16 | /// <summary> |
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17 | /// Return a 40 character hex representation of a SHA1 hash. |
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18 | /// </summary> |
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19 | /// <param name="sha1">the SHA1 hash object</param> |
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20 | public static string ToHex(this System.Security.Cryptography.SHA1 sha1, byte[] data) |
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21 | { |
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22 | return BitConverter.ToString(sha1.ComputeHash(data)).Replace("-", ""); |
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23 | } |
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5 | office | 24 | |
10 | office | 25 | |
5 | office | 26 | public static string ToHex(this System.Security.Cryptography.SHA1 sha1, string data) |
27 | { |
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28 | return BitConverter.ToString(sha1.ComputeHash(Encoding.UTF8.GetBytes(data))).Replace("-", ""); |
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29 | } |
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10 | office | 30 | |
31 | /////////////////////////////////////////////////////////////////////////// |
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32 | // Copyright (C) Wizardry and Steamworks 2014 - License: GNU GPLv3 // |
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33 | /////////////////////////////////////////////////////////////////////////// |
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34 | /// <summary> |
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35 | /// Compute the SHA1 hash of an array of bytes and copy the result to the output stream as a hexadecimal string. |
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36 | /// </summary> |
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37 | /// <param name="sha1">the SHA1 object to use</param> |
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38 | /// <param name="data">the data to hash</param> |
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39 | /// <param name="outStream">the output stream</param> |
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40 | public static async Task CopyToAsync(this System.Security.Cryptography.SHA1 sha1, byte[] data, Stream outStream) |
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41 | { |
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42 | var buffer = new char[1]; |
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43 | using (MemoryStream SHA1OutputStream = new MemoryStream()) |
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44 | { |
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45 | using (StringReader SHA1InputStream = new StringReader(BitConverter.ToString(sha1.ComputeHash(data)).Replace("-", ""))) |
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46 | { |
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47 | int count; |
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48 | while ((count = await SHA1InputStream.ReadAsync(buffer, 0, 1)) != 0) |
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49 | { |
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50 | switch (buffer[0]) |
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51 | { |
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52 | case '-': |
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53 | continue; |
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54 | default: |
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55 | SHA1OutputStream.WriteByte((byte)buffer[0]); |
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56 | break; |
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57 | } |
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58 | } |
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59 | } |
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60 | SHA1OutputStream.Position = 0L; |
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61 | await SHA1OutputStream.CopyToAsync(outStream); |
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62 | } |
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63 | } |
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2 | office | 64 | } |
65 | } |