wasSharpNET – Diff between revs 13 and 14
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1 | /////////////////////////////////////////////////////////////////////////// |
1 | /////////////////////////////////////////////////////////////////////////// |
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2 | // Copyright (C) Wizardry and Steamworks 2016 - License: GNU GPLv3 // |
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, // |
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. // |
4 | // rights of fair usage, the disclaimer and warranty conditions. // |
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5 | /////////////////////////////////////////////////////////////////////////// |
5 | /////////////////////////////////////////////////////////////////////////// |
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6 | |
6 | |
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7 | using System; |
7 | using System; |
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8 | using System.IO; |
8 | using System.IO; |
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9 | using System.Text; |
9 | using System.Text; |
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10 | using System.Threading.Tasks; |
10 | using System.Threading.Tasks; |
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11 | |
11 | |
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12 | namespace wasSharpNET.Cryptography |
12 | namespace wasSharpNET.Cryptography |
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13 | { |
13 | { |
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14 | public static class SHA1 |
14 | public static class SHA1 |
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15 | { |
15 | { |
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16 | /// <summary> |
16 | /// <summary> |
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17 | /// Return a 40 character hex representation of a SHA1 hash. |
17 | /// Return a 40 character hex representation of a SHA1 hash. |
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18 | /// </summary> |
18 | /// </summary> |
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19 | /// <param name="sha1">the SHA1 hash object</param> |
19 | /// <param name="sha1">the SHA1 hash object</param> |
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20 | /// <param name="data">the byte data to compute the hash from</param> |
20 | /// <param name="data">the byte data to compute the hash from</param> |
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21 | public static string ToHex(this System.Security.Cryptography.SHA1 sha1, byte[] data) |
21 | public static string ToHex(this System.Security.Cryptography.SHA1 sha1, byte[] data) |
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22 | { |
22 | { |
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23 | return BitConverter.ToString(sha1.ComputeHash(data)).Replace("-", ""); |
23 | return BitConverter.ToString(sha1.ComputeHash(data)).Replace("-", ""); |
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24 | } |
24 | } |
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25 | |
25 | |
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26 | /// <summary> |
26 | /// <summary> |
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27 | /// Return a 40 character hex representation of a SHA1 hash. |
27 | /// Return a 40 character hex representation of a SHA1 hash. |
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28 | /// </summary> |
28 | /// </summary> |
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29 | /// <param name="sha1">the SHA1 hash object</param> |
29 | /// <param name="sha1">the SHA1 hash object</param> |
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30 | /// <param name="data">the string data to compute the hash from</param> |
30 | /// <param name="data">the string data to compute the hash from</param> |
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31 | public static string ToHex(this System.Security.Cryptography.SHA1 sha1, string data) |
31 | public static string ToHex(this System.Security.Cryptography.SHA1 sha1, string data) |
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32 | { |
32 | { |
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33 | return BitConverter.ToString(sha1.ComputeHash(Encoding.UTF8.GetBytes(data))).Replace("-", ""); |
33 | return BitConverter.ToString(sha1.ComputeHash(Encoding.UTF8.GetBytes(data))).Replace("-", ""); |
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34 | } |
34 | } |
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35 | |
35 | |
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36 | /// <summary> |
36 | /// <summary> |
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37 | /// Return a 40 character hex representation of a SHA1 hash. |
37 | /// Return a 40 character hex representation of a SHA1 hash. |
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38 | /// </summary> |
38 | /// </summary> |
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39 | /// <param name="sha1">the SHA1 hash object</param> |
39 | /// <param name="sha1">the SHA1 hash object</param> |
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40 | /// <param name="data">the memorystream to compute the hash from</param> |
40 | /// <param name="data">the memorystream to compute the hash from</param> |
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- | 41 | public static string ToHex(this System.Security.Cryptography.SHA1 sha1, Stream data) |
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- | 42 | { |
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- | 43 | return BitConverter.ToString(sha1.ComputeHash(data)).Replace("-", ""); |
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- | 44 | } |
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- | 45 | |
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- | 46 | /// <summary> |
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- | 47 | /// Return a 40 character hex representation of a SHA1 hash. |
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- | 48 | /// </summary> |
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- | 49 | /// <param name="sha1">the SHA1 hash object</param> |
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- | 50 | /// <param name="data">a filestream to read the file from</param> |
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41 | public static string ToHex(this System.Security.Cryptography.SHA1 sha1, MemoryStream data) |
51 | public static string ToHex(this System.Security.Cryptography.SHA1 sha1, FileStream data) |
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42 | { |
52 | { |
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43 | return BitConverter.ToString(sha1.ComputeHash(data)).Replace("-", ""); |
53 | return BitConverter.ToString(sha1.ComputeHash(data)).Replace("-", ""); |
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44 | } |
54 | } |
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45 | |
55 | |
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46 | /////////////////////////////////////////////////////////////////////////// |
56 | /////////////////////////////////////////////////////////////////////////// |
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47 | // Copyright (C) Wizardry and Steamworks 2014 - License: GNU GPLv3 // |
57 | // Copyright (C) Wizardry and Steamworks 2014 - License: GNU GPLv3 // |
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48 | /////////////////////////////////////////////////////////////////////////// |
58 | /////////////////////////////////////////////////////////////////////////// |
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49 | /// <summary> |
59 | /// <summary> |
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50 | /// Compute the SHA1 hash of an array of bytes and copy the result to the output stream as a hexadecimal string. |
60 | /// 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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51 | /// </summary> |
61 | /// </summary> |
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52 | /// <param name="sha1">the SHA1 object to use</param> |
62 | /// <param name="sha1">the SHA1 object to use</param> |
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53 | /// <param name="data">the data to hash</param> |
63 | /// <param name="data">the data to hash</param> |
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54 | /// <param name="outStream">the output stream</param> |
64 | /// <param name="outStream">the output stream</param> |
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55 | public static async Task CopyToAsync(this System.Security.Cryptography.SHA1 sha1, byte[] data, Stream outStream) |
65 | public static async Task CopyToAsync(this System.Security.Cryptography.SHA1 sha1, byte[] data, Stream outStream) |
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56 | { |
66 | { |
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57 | var buffer = new char[1]; |
67 | var buffer = new char[1]; |
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58 | using (MemoryStream SHA1OutputStream = new MemoryStream()) |
68 | using (MemoryStream SHA1OutputStream = new MemoryStream()) |
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59 | { |
69 | { |
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60 | using (StringReader SHA1InputStream = new StringReader(BitConverter.ToString(sha1.ComputeHash(data)).Replace("-", ""))) |
70 | using (StringReader SHA1InputStream = new StringReader(BitConverter.ToString(sha1.ComputeHash(data)).Replace("-", ""))) |
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61 | { |
71 | { |
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62 | int count; |
72 | int count; |
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63 | while ((count = await SHA1InputStream.ReadAsync(buffer, 0, 1)) != 0) |
73 | while ((count = await SHA1InputStream.ReadAsync(buffer, 0, 1)) != 0) |
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64 | { |
74 | { |
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65 | switch (buffer[0]) |
75 | switch (buffer[0]) |
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66 | { |
76 | { |
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67 | case '-': |
77 | case '-': |
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68 | continue; |
78 | continue; |
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69 | default: |
79 | default: |
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70 | SHA1OutputStream.WriteByte((byte)buffer[0]); |
80 | SHA1OutputStream.WriteByte((byte)buffer[0]); |
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71 | break; |
81 | break; |
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72 | } |
82 | } |
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73 | } |
83 | } |
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74 | } |
84 | } |
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75 | SHA1OutputStream.Position = 0L; |
85 | SHA1OutputStream.Position = 0L; |
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76 | await SHA1OutputStream.CopyToAsync(outStream); |
86 | await SHA1OutputStream.CopyToAsync(outStream); |
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77 | } |
87 | } |
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78 | } |
88 | } |
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79 | } |
89 | } |
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80 | } |
90 | } |
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81 | |
91 | |