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Add and use SpamSum for Media and Rom types

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SpamSum implementation courtesy of https://github.com/aaru-dps/Aaru
This commit is contained in:
Matt Nadareski
2020-09-04 15:02:15 -07:00
parent 40ca4e39a5
commit 5f749d07a4
26 changed files with 834 additions and 24 deletions
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12
SabreTools.Library/Tools/Converters.cs
View File

@@ -34,6 +34,8 @@ namespace SabreTools.Library.Tools
return Field.DatItem_SHA384;
case Hash.SHA512:
return Field.DatItem_SHA512;
case Hash.SpamSum:
return Field.DatItem_SpamSum;
default:
return Field.NULL;
@@ -160,6 +162,8 @@ namespace SabreTools.Library.Tools
case "smdb":
case "everdrive":
return DatFormat.EverdriveSMDB;
case "spamsum":
return DatFormat.RedumpSpamSum;
case "ssv":
return DatFormat.SSV;
case "tsv":
@@ -788,6 +792,10 @@ namespace SabreTools.Library.Tools
case "sha_512hash":
case "sha_512_hash":
return Field.DatItem_SHA512;
case "spamsum":
case "spam_sum":
return Field.DatItem_SpamSum;
case "merge":
case "mergetag":
@@ -1478,6 +1486,10 @@ namespace SabreTools.Library.Tools
case "sha_512_hash":
return Field.DatItem_SHA512;
case "spamsum":
case "spam_sum":
return Field.DatItem_SpamSum;
case "merge":
case "mergetag":
case "merge_tag":

17
SabreTools.Library/Tools/Hasher.cs
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@@ -2,7 +2,7 @@
using System.Linq;
using System.Security.Cryptography;
using System.Threading.Tasks;
using Aaru.Checksums;
using SabreTools.Library.DatFiles;
using SabreTools.Library.External;
@@ -58,6 +58,10 @@ namespace SabreTools.Library.Tools
case Hash.SHA512:
_hasher = SHA512.Create();
break;
case Hash.SpamSum:
_hasher = new SpamSumContext();
break;
}
}
@@ -87,6 +91,10 @@ namespace SabreTools.Library.Tools
case Hash.SHA512:
await Task.Run(() => (_hasher as HashAlgorithm).TransformBlock(buffer, 0, size, null, 0));
break;
case Hash.SpamSum:
await Task.Run(() => (_hasher as SpamSumContext).Update(buffer));
break;
}
}
@@ -112,6 +120,10 @@ namespace SabreTools.Library.Tools
case Hash.SHA512:
await Task.Run(() => (_hasher as HashAlgorithm).TransformFinalBlock(emptyBuffer, 0, 0));
break;
case Hash.SpamSum:
// No finalization step needed
break;
}
}
@@ -134,6 +146,9 @@ namespace SabreTools.Library.Tools
case Hash.SHA384:
case Hash.SHA512:
return (_hasher as HashAlgorithm).Hash;
case Hash.SpamSum:
return (_hasher as SpamSumContext).Final();
}
return null;

2
SabreTools.Library/Tools/Sanitizer.cs
View File

@@ -145,7 +145,7 @@ namespace SabreTools.Library.Tools
/// <param name="hash">Hash string to sanitize</param>
/// <param name="padding">Amount of characters to pad to</param>
/// <returns>Cleaned string</returns>
private static string CleanHashData(string hash, int padding)
public static string CleanHashData(string hash, int padding)
{
// If we have a known blank hash, return blank
if (string.IsNullOrWhiteSpace(hash) || hash == "-" || hash == "_")