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Hashing

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This commit is contained in:
Matt Nadareski
2020-06-05 22:26:44 -07:00
parent 916d2a3b51
commit ac2a9fabb7
37 changed files with 722 additions and 269 deletions
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6
SabreTools.Library/DatItems/DatItem.cs
View File

@@ -862,6 +862,9 @@ namespace SabreTools.Library.DatItems
((Rom)saveditem).MD5 = (String.IsNullOrWhiteSpace(((Rom)saveditem).MD5) && !String.IsNullOrWhiteSpace(((Rom)file).MD5)
? ((Rom)file).MD5
: ((Rom)saveditem).MD5);
((Rom)saveditem).RIPEMD160 = (String.IsNullOrWhiteSpace(((Rom)saveditem).RIPEMD160) && !String.IsNullOrWhiteSpace(((Rom)file).RIPEMD160)
? ((Rom)file).RIPEMD160
: ((Rom)saveditem).RIPEMD160);
((Rom)saveditem).SHA1 = (String.IsNullOrWhiteSpace(((Rom)saveditem).SHA1) && !String.IsNullOrWhiteSpace(((Rom)file).SHA1)
? ((Rom)file).SHA1
: ((Rom)saveditem).SHA1);
@@ -880,6 +883,9 @@ namespace SabreTools.Library.DatItems
((Disk)saveditem).MD5 = (String.IsNullOrWhiteSpace(((Disk)saveditem).MD5) && !String.IsNullOrWhiteSpace(((Disk)file).MD5)
? ((Disk)file).MD5
: ((Disk)saveditem).MD5);
((Disk)saveditem).RIPEMD160 = (String.IsNullOrWhiteSpace(((Disk)saveditem).RIPEMD160) && !String.IsNullOrWhiteSpace(((Disk)file).RIPEMD160)
? ((Disk)file).RIPEMD160
: ((Disk)saveditem).RIPEMD160);
((Disk)saveditem).SHA1 = (String.IsNullOrWhiteSpace(((Disk)saveditem).SHA1) && !String.IsNullOrWhiteSpace(((Disk)file).SHA1)
? ((Disk)file).SHA1
: ((Disk)saveditem).SHA1);

16
SabreTools.Library/DatItems/Disk.cs
View File

@@ -13,6 +13,7 @@ namespace SabreTools.Library.DatItems
#region Private instance variables
private byte[] _md5; // 16 bytes
private byte[] _ripemd160; // 20 bytes
private byte[] _sha1; // 20 bytes
private byte[] _sha256; // 32 bytes
private byte[] _sha384; // 48 bytes
@@ -31,6 +32,15 @@ namespace SabreTools.Library.DatItems
set { _md5 = Utilities.StringToByteArray(value); }
}
/// <summary>
/// Data RIPEMD160 hash
/// </summary>
public string RIPEMD160
{
get { return _ripemd160.IsNullOrWhiteSpace() ? null : Utilities.ByteArrayToString(_ripemd160); }
set { _ripemd160 = Utilities.StringToByteArray(value); }
}
/// <summary>
/// Data SHA-1 hash
/// </summary>
@@ -120,6 +130,7 @@ namespace SabreTools.Library.DatItems
{
this.Name = baseFile.Filename;
_md5 = baseFile.MD5;
_ripemd160 = baseFile.RIPEMD160;
_sha1 = baseFile.SHA1;
_sha256 = baseFile.SHA256;
_sha384 = baseFile.SHA384;
@@ -172,6 +183,7 @@ namespace SabreTools.Library.DatItems
Source = this.Source,
_md5 = this._md5,
_ripemd160 = this._ripemd160,
_sha1 = this._sha1,
_sha256 = this._sha256,
_sha384 = this._sha384,
@@ -194,6 +206,7 @@ namespace SabreTools.Library.DatItems
CRC = null,
MD5 = this.MD5,
RIPEMD160 = this.RIPEMD160,
SHA1 = this.SHA1,
SHA256 = this.SHA256,
SHA384 = this.SHA384,
@@ -260,6 +273,7 @@ namespace SabreTools.Library.DatItems
if ((this.ItemStatus == ItemStatus.Nodump && newOther.ItemStatus == ItemStatus.Nodump)
&& (this.Name == newOther.Name)
&& (this._md5.IsNullOrWhiteSpace() && newOther._md5.IsNullOrWhiteSpace())
&& (this._ripemd160.IsNullOrWhiteSpace() && newOther._ripemd160.IsNullOrWhiteSpace())
&& (this._sha1.IsNullOrWhiteSpace() && newOther._sha1.IsNullOrWhiteSpace())
&& (this._sha256.IsNullOrWhiteSpace() && newOther._sha256.IsNullOrWhiteSpace())
&& (this._sha384.IsNullOrWhiteSpace() && newOther._sha384.IsNullOrWhiteSpace())
@@ -270,6 +284,7 @@ namespace SabreTools.Library.DatItems
// If we can determine that the disks have no non-empty hashes in common, we return false
else if ((this._md5.IsNullOrWhiteSpace() || newOther._md5.IsNullOrWhiteSpace())
&& (this._ripemd160.IsNullOrWhiteSpace() || newOther._ripemd160.IsNullOrWhiteSpace())
&& (this._sha1.IsNullOrWhiteSpace() || newOther._sha1.IsNullOrWhiteSpace())
&& (this._sha256.IsNullOrWhiteSpace() || newOther._sha256.IsNullOrWhiteSpace())
&& (this._sha384.IsNullOrWhiteSpace() || newOther._sha384.IsNullOrWhiteSpace())
@@ -280,6 +295,7 @@ namespace SabreTools.Library.DatItems
// Otherwise if we get a partial match
else if (((this._md5.IsNullOrWhiteSpace() || newOther._md5.IsNullOrWhiteSpace()) || Enumerable.SequenceEqual(this._md5, newOther._md5))
&& ((this._ripemd160.IsNullOrWhiteSpace() || newOther._ripemd160.IsNullOrWhiteSpace()) || Enumerable.SequenceEqual(this._ripemd160, newOther._ripemd160))
&& ((this._sha1.IsNullOrWhiteSpace() || newOther._sha1.IsNullOrWhiteSpace()) || Enumerable.SequenceEqual(this._sha1, newOther._sha1))
&& ((this._sha256.IsNullOrWhiteSpace() || newOther._sha256.IsNullOrWhiteSpace()) || Enumerable.SequenceEqual(this._sha256, newOther._sha256))
&& ((this._sha384.IsNullOrWhiteSpace() || newOther._sha384.IsNullOrWhiteSpace()) || Enumerable.SequenceEqual(this._sha384, newOther._sha384))

20
SabreTools.Library/DatItems/Rom.cs
View File

@@ -14,6 +14,7 @@ namespace SabreTools.Library.DatItems
private byte[] _crc; // 8 bytes
private byte[] _md5; // 16 bytes
private byte[] _ripemd160; // 20 bytes
private byte[] _sha1; // 20 bytes
private byte[] _sha256; // 32 bytes
private byte[] _sha384; // 48 bytes
@@ -51,6 +52,15 @@ namespace SabreTools.Library.DatItems
set { _md5 = Utilities.StringToByteArray(value); }
}
/// <summary>
/// File RIPEMD160 hash
/// </summary>
public string RIPEMD160
{
get { return _ripemd160.IsNullOrWhiteSpace() ? null : Utilities.ByteArrayToString(_ripemd160); }
set { _ripemd160 = Utilities.StringToByteArray(value); }
}
/// <summary>
/// File SHA-1 hash
/// </summary>
@@ -153,6 +163,10 @@ namespace SabreTools.Library.DatItems
{
_md5 = null;
}
if ((omitFromScan & Hash.RIPEMD160) == 0)
{
_ripemd160 = null;
}
if ((omitFromScan & Hash.SHA1) == 0)
{
_sha1 = null;
@@ -188,6 +202,7 @@ namespace SabreTools.Library.DatItems
this.Size = baseFile.Size ?? -1;
_crc = baseFile.CRC;
_md5 = baseFile.MD5;
_ripemd160 = baseFile.RIPEMD160;
_sha1 = baseFile.SHA1;
_sha256 = baseFile.SHA256;
_sha384 = baseFile.SHA384;
@@ -243,6 +258,7 @@ namespace SabreTools.Library.DatItems
Size = this.Size,
_crc = this._crc,
_md5 = this._md5,
_ripemd160 = this._ripemd160,
_sha1 = this._sha1,
_sha256 = this._sha256,
_sha384 = this._sha384,
@@ -274,6 +290,7 @@ namespace SabreTools.Library.DatItems
&& (this.Name == newOther.Name)
&& (this._crc.IsNullOrWhiteSpace() && newOther._crc.IsNullOrWhiteSpace())
&& (this._md5.IsNullOrWhiteSpace() && newOther._md5.IsNullOrWhiteSpace())
&& (this._ripemd160.IsNullOrWhiteSpace() && newOther._ripemd160.IsNullOrWhiteSpace())
&& (this._sha1.IsNullOrWhiteSpace() && newOther._sha1.IsNullOrWhiteSpace())
&& (this._sha256.IsNullOrWhiteSpace() && newOther._sha256.IsNullOrWhiteSpace())
&& (this._sha384.IsNullOrWhiteSpace() && newOther._sha384.IsNullOrWhiteSpace())
@@ -285,6 +302,7 @@ namespace SabreTools.Library.DatItems
// If we can determine that the roms have no non-empty hashes in common, we return false
else if ((this._crc.IsNullOrWhiteSpace() || newOther._crc.IsNullOrWhiteSpace())
&& (this._md5.IsNullOrWhiteSpace() || newOther._md5.IsNullOrWhiteSpace())
&& (this._ripemd160.IsNullOrWhiteSpace() || newOther._ripemd160.IsNullOrWhiteSpace())
&& (this._sha1.IsNullOrWhiteSpace() || newOther._sha1.IsNullOrWhiteSpace())
&& (this._sha256.IsNullOrWhiteSpace() || newOther._sha256.IsNullOrWhiteSpace())
&& (this._sha384.IsNullOrWhiteSpace() || newOther._sha384.IsNullOrWhiteSpace())
@@ -297,6 +315,7 @@ namespace SabreTools.Library.DatItems
else if ((this.Size == -1)
&& ((this._crc.IsNullOrWhiteSpace() || newOther._crc.IsNullOrWhiteSpace()) || Enumerable.SequenceEqual(this._crc, newOther._crc))
&& ((this._md5.IsNullOrWhiteSpace() || newOther._md5.IsNullOrWhiteSpace()) || Enumerable.SequenceEqual(this._md5, newOther._md5))
&& ((this._ripemd160.IsNullOrWhiteSpace() || newOther._ripemd160.IsNullOrWhiteSpace()) || Enumerable.SequenceEqual(this._ripemd160, newOther._ripemd160))
&& ((this._sha1.IsNullOrWhiteSpace() || newOther._sha1.IsNullOrWhiteSpace()) || Enumerable.SequenceEqual(this._sha1, newOther._sha1))
&& ((this._sha256.IsNullOrWhiteSpace() || newOther._sha256.IsNullOrWhiteSpace()) || Enumerable.SequenceEqual(this._sha256, newOther._sha256))
&& ((this._sha384.IsNullOrWhiteSpace() || newOther._sha384.IsNullOrWhiteSpace()) || Enumerable.SequenceEqual(this._sha384, newOther._sha384))
@@ -309,6 +328,7 @@ namespace SabreTools.Library.DatItems
else if ((this.Size == newOther.Size)
&& ((this._crc.IsNullOrWhiteSpace() || newOther._crc.IsNullOrWhiteSpace()) || Enumerable.SequenceEqual(this._crc, newOther._crc))
&& ((this._md5.IsNullOrWhiteSpace() || newOther._md5.IsNullOrWhiteSpace()) || Enumerable.SequenceEqual(this._md5, newOther._md5))
&& ((this._ripemd160.IsNullOrWhiteSpace() || newOther._ripemd160.IsNullOrWhiteSpace()) || Enumerable.SequenceEqual(this._ripemd160, newOther._ripemd160))
&& ((this._sha1.IsNullOrWhiteSpace() || newOther._sha1.IsNullOrWhiteSpace()) || Enumerable.SequenceEqual(this._sha1, newOther._sha1))
&& ((this._sha256.IsNullOrWhiteSpace() || newOther._sha256.IsNullOrWhiteSpace()) || Enumerable.SequenceEqual(this._sha256, newOther._sha256))
&& ((this._sha384.IsNullOrWhiteSpace() || newOther._sha384.IsNullOrWhiteSpace()) || Enumerable.SequenceEqual(this._sha384, newOther._sha384))