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[Aaru.Decryption] Reformat and cleanup.

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This commit is contained in:
Natalia Portillo
2023-10-03 23:10:41 +01:00
parent ac1db3b2e9
commit 4ce6ff54c8
10 changed files with 1615 additions and 1597 deletions
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16
.editorconfig
View File

@@ -1,13 +1,13 @@
[*] [*]
charset = utf-8 charset = utf-8
end_of_line = lf end_of_line = lf
indent_size = 4 indent_size = 2
indent_style = space indent_style = space
insert_final_newline = false insert_final_newline = false
max_line_length = 120 max_line_length = 120
tab_width = 4 tab_width = 2
trim_trailing_whitespace = false trim_trailing_whitespace = false
ij_continuation_indent_size = 8 ij_continuation_indent_size = 4
ij_formatter_off_tag = @formatter:off ij_formatter_off_tag = @formatter:off
ij_formatter_on_tag = @formatter:on ij_formatter_on_tag = @formatter:on
ij_formatter_tags_enabled = true ij_formatter_tags_enabled = true
@@ -56,6 +56,7 @@ dotnet_style_qualification_for_property = false:suggestion
dotnet_style_require_accessibility_modifiers = never:suggestion dotnet_style_require_accessibility_modifiers = never:suggestion
# ReSharper properties # ReSharper properties
resharper_align_first_arg_by_paren = false
resharper_align_linq_query = true resharper_align_linq_query = true
resharper_align_multiline_argument = true resharper_align_multiline_argument = true
resharper_align_multiline_array_and_object_initializer = false resharper_align_multiline_array_and_object_initializer = false
@@ -80,9 +81,9 @@ resharper_braces_for_for = required_for_multiline
resharper_braces_for_foreach = required_for_multiline resharper_braces_for_foreach = required_for_multiline
resharper_braces_for_ifelse = required_for_multiline resharper_braces_for_ifelse = required_for_multiline
resharper_braces_for_while = required_for_multiline resharper_braces_for_while = required_for_multiline
resharper_builtin_type_apply_to_native_integer = true resharper_builtin_type_apply_to_native_integer = false
resharper_constructor_or_destructor_body = expression_body resharper_constructor_or_destructor_body = expression_body
resharper_csharp_align_first_arg_by_paren = true resharper_csharp_align_first_arg_by_paren = false
resharper_csharp_empty_block_style = together_same_line resharper_csharp_empty_block_style = together_same_line
resharper_csharp_place_comments_at_first_column = true resharper_csharp_place_comments_at_first_column = true
resharper_csharp_prefer_qualified_reference = false resharper_csharp_prefer_qualified_reference = false
@@ -95,7 +96,7 @@ resharper_for_built_in_types = use_var_when_evident
resharper_function_declaration_return_type_style = on_single_line resharper_function_declaration_return_type_style = on_single_line
resharper_function_definition_return_type_style = on_single_line resharper_function_definition_return_type_style = on_single_line
resharper_html_pi_attribute_style = first_attribute_on_single_line resharper_html_pi_attribute_style = first_attribute_on_single_line
resharper_indent_anonymous_method_block = true resharper_indent_anonymous_method_block = false
resharper_indent_preprocessor_if = outdent resharper_indent_preprocessor_if = outdent
resharper_indent_preprocessor_other = outdent resharper_indent_preprocessor_other = outdent
resharper_indent_preprocessor_region = outdent resharper_indent_preprocessor_region = outdent
@@ -668,6 +669,9 @@ ij_xml_space_around_equals_in_attribute = false
ij_xml_space_inside_empty_tag = false ij_xml_space_inside_empty_tag = false
ij_xml_text_wrap = normal ij_xml_text_wrap = normal
ij_xml_use_custom_settings = false ij_xml_use_custom_settings = false
indent_size = 2
tab_width = 2
ij_continuation_indent_size = 4
[{*.applescript,*.scpt}] [{*.applescript,*.scpt}]
indent_size = 2 indent_size = 2

5
Aaru.Decryption.csproj.DotSettings
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@@ -1,2 +1,5 @@
<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation"> <wpf:ResourceDictionary xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:s="clr-namespace:System;assembly=mscorlib"
xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xml:space="preserve">
<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=localization/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary> <s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=localization/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>

270
DVD/CSS.cs
View File

@@ -58,99 +58,17 @@ public class CSS
{ {
static readonly byte[,] _playerKeys = static readonly byte[,] _playerKeys =
{ {
{ { 0x01, 0xaf, 0xe3, 0x12, 0x80 }, { 0x12, 0x11, 0xca, 0x04, 0x3b }, { 0x14, 0x0c, 0x9e, 0xd0, 0x09 },
0x01, 0xaf, 0xe3, 0x12, 0x80 { 0x14, 0x71, 0x35, 0xba, 0xe2 }, { 0x1a, 0xa4, 0x33, 0x21, 0xa6 }, { 0x26, 0xec, 0xc4, 0xa7, 0x4e },
}, { 0x2c, 0xb2, 0xc1, 0x09, 0xee }, { 0x2f, 0x25, 0x9e, 0x96, 0xdd }, { 0x33, 0x2f, 0x49, 0x6c, 0xe0 },
{ { 0x35, 0x5b, 0xc1, 0x31, 0x0f }, { 0x36, 0x67, 0xb2, 0xe3, 0x85 }, { 0x39, 0x3d, 0xf1, 0xf1, 0xbd },
0x12, 0x11, 0xca, 0x04, 0x3b { 0x3b, 0x31, 0x34, 0x0d, 0x91 }, { 0x45, 0xed, 0x28, 0xeb, 0xd3 }, { 0x48, 0xb7, 0x6c, 0xce, 0x69 },
}, { 0x4b, 0x65, 0x0d, 0xc1, 0xee }, { 0x4c, 0xbb, 0xf5, 0x5b, 0x23 }, { 0x51, 0x67, 0x67, 0xc5, 0xe0 },
{ { 0x53, 0x94, 0xe1, 0x75, 0xbf }, { 0x57, 0x2c, 0x8b, 0x31, 0xae }, { 0x63, 0xdb, 0x4c, 0x5b, 0x4a },
0x14, 0x0c, 0x9e, 0xd0, 0x09 { 0x7b, 0x1e, 0x5e, 0x2b, 0x57 }, { 0x85, 0xf3, 0x85, 0xa0, 0xe0 }, { 0xab, 0x1e, 0xe7, 0x7b, 0x72 },
}, { 0xab, 0x36, 0xe3, 0xeb, 0x76 }, { 0xb1, 0xb8, 0xf9, 0x38, 0x03 }, { 0xb8, 0x5d, 0xd8, 0x53, 0xbd },
{ { 0xbf, 0x92, 0xc3, 0xb0, 0xe2 }, { 0xcf, 0x1a, 0xb2, 0xf8, 0x0a }, { 0xec, 0xa0, 0xcf, 0xb3, 0xff },
0x14, 0x71, 0x35, 0xba, 0xe2 { 0xfc, 0x95, 0xa9, 0x87, 0x35 }
},
{
0x1a, 0xa4, 0x33, 0x21, 0xa6
},
{
0x26, 0xec, 0xc4, 0xa7, 0x4e
},
{
0x2c, 0xb2, 0xc1, 0x09, 0xee
},
{
0x2f, 0x25, 0x9e, 0x96, 0xdd
},
{
0x33, 0x2f, 0x49, 0x6c, 0xe0
},
{
0x35, 0x5b, 0xc1, 0x31, 0x0f
},
{
0x36, 0x67, 0xb2, 0xe3, 0x85
},
{
0x39, 0x3d, 0xf1, 0xf1, 0xbd
},
{
0x3b, 0x31, 0x34, 0x0d, 0x91
},
{
0x45, 0xed, 0x28, 0xeb, 0xd3
},
{
0x48, 0xb7, 0x6c, 0xce, 0x69
},
{
0x4b, 0x65, 0x0d, 0xc1, 0xee
},
{
0x4c, 0xbb, 0xf5, 0x5b, 0x23
},
{
0x51, 0x67, 0x67, 0xc5, 0xe0
},
{
0x53, 0x94, 0xe1, 0x75, 0xbf
},
{
0x57, 0x2c, 0x8b, 0x31, 0xae
},
{
0x63, 0xdb, 0x4c, 0x5b, 0x4a
},
{
0x7b, 0x1e, 0x5e, 0x2b, 0x57
},
{
0x85, 0xf3, 0x85, 0xa0, 0xe0
},
{
0xab, 0x1e, 0xe7, 0x7b, 0x72
},
{
0xab, 0x36, 0xe3, 0xeb, 0x76
},
{
0xb1, 0xb8, 0xf9, 0x38, 0x03
},
{
0xb8, 0x5d, 0xd8, 0x53, 0xbd
},
{
0xbf, 0x92, 0xc3, 0xb0, 0xe2
},
{
0xcf, 0x1a, 0xb2, 0xf8, 0x0a
},
{
0xec, 0xa0, 0xcf, 0xb3, 0xff
},
{
0xfc, 0x95, 0xa9, 0x87, 0x35
}
}; };
static readonly byte[] _cssTable1 = static readonly byte[] _cssTable1 =
@@ -341,15 +259,7 @@ public class CSS
static readonly byte[,] _permutationChallenge = static readonly byte[,] _permutationChallenge =
{ {
{ { 1, 3, 0, 7, 5, 2, 9, 6, 4, 8 }, { 6, 1, 9, 3, 8, 5, 7, 4, 0, 2 }, { 4, 0, 3, 5, 7, 2, 8, 6, 1, 9 }
1, 3, 0, 7, 5, 2, 9, 6, 4, 8
},
{
6, 1, 9, 3, 8, 5, 7, 4, 0, 2
},
{
4, 0, 3, 5, 7, 2, 8, 6, 1, 9
}
}; };
static readonly byte[,] _permutationVariant = static readonly byte[,] _permutationVariant =
@@ -370,10 +280,7 @@ public class CSS
0xF2, 0x2A, 0x79, 0x52, 0xFF, 0x1B, 0x7A, 0x11, 0xCA, 0x1A, 0x9B, 0x40, 0xAD, 0x01 0xF2, 0x2A, 0x79, 0x52, 0xFF, 0x1B, 0x7A, 0x11, 0xCA, 0x1A, 0x9B, 0x40, 0xAD, 0x01
}; };
static readonly byte[] _secret = static readonly byte[] _secret = { 0x55, 0xD6, 0xC4, 0xC5, 0x28 };
{
0x55, 0xD6, 0xC4, 0xC5, 0x28
};
/// <summary> /// <summary>
/// The disc key returned by the logical unit is encoded with the bus key to prevent man-in-the-middle attacks. /// The disc key returned by the logical unit is encoded with the bus key to prevent man-in-the-middle attacks.
@@ -391,7 +298,7 @@ public class CSS
byte[] key = response.Skip(4).Take(2048).ToArray(); byte[] key = response.Skip(4).Take(2048).ToArray();
for(uint i = 0; i < key.Length; i++) for(uint i = 0; i < key.Length; i++)
key[i] ^= busKey[4 - (i % busKey.Length)]; key[i] ^= busKey[4 - i % busKey.Length];
return new CSS_CPRM.DiscKey return new CSS_CPRM.DiscKey
{ {
@@ -418,7 +325,7 @@ public class CSS
byte[] key = response.Skip(5).Take(5).ToArray(); byte[] key = response.Skip(5).Take(5).ToArray();
for(uint i = 0; i < key.Length; i++) for(uint i = 0; i < key.Length; i++)
key[i] ^= busKey[4 - (i % busKey.Length)]; key[i] ^= busKey[4 - i % busKey.Length];
return new CSS_CPRM.TitleKey return new CSS_CPRM.TitleKey
{ {
@@ -440,49 +347,49 @@ public class CSS
/// <returns>The encrypted key.</returns> /// <returns>The encrypted key.</returns>
public static void EncryptKey(DvdCssKeyType keyType, uint variant, byte[] challenge, out byte[] key) public static void EncryptKey(DvdCssKeyType keyType, uint variant, byte[] challenge, out byte[] key)
{ {
byte[] bits = new byte[30]; var bits = new byte[30];
byte[] scratch = new byte[10]; var scratch = new byte[10];
byte index = sizeof(byte) * 30; byte index = sizeof(byte) * 30;
byte[] temp1 = new byte[5]; var temp1 = new byte[5];
byte[] temp2 = new byte[5]; var temp2 = new byte[5];
byte carry = 0; byte carry = 0;
key = new byte[5]; key = new byte[5];
for(int i = 9; i >= 0; --i) for(var i = 9; i >= 0; --i)
scratch[i] = challenge[_permutationChallenge[(uint)keyType, i]]; scratch[i] = challenge[_permutationChallenge[(uint)keyType, i]];
byte cssVariant = (byte)(keyType == 0 ? variant : _permutationVariant[(uint)keyType - 1, variant]); var cssVariant = (byte)(keyType == 0 ? variant : _permutationVariant[(uint)keyType - 1, variant]);
for(int i = 5; --i >= 0;) for(var i = 5; --i >= 0;)
temp1[i] = (byte)(scratch[5 + i] ^ _secret[i] ^ _encryptTable2[i]); temp1[i] = (byte)(scratch[5 + i] ^ _secret[i] ^ _encryptTable2[i]);
uint lfsr0 = (uint)((temp1[0] << 17) | (temp1[1] << 9) | ((temp1[2] & ~7) << 1) | 8 | (temp1[2] & 7)); var lfsr0 = (uint)(temp1[0] << 17 | temp1[1] << 9 | (temp1[2] & ~7) << 1 | 8 | temp1[2] & 7);
uint lfsr1 = (uint)((temp1[3] << 9) | 0x100 | temp1[4]); var lfsr1 = (uint)(temp1[3] << 9 | 0x100 | temp1[4]);
do do
{ {
byte val = 0; byte val = 0;
for(int bit = 0; bit < 8; ++bit) for(var bit = 0; bit < 8; ++bit)
{ {
byte oLfsr0 = (byte)(((lfsr0 >> 24) ^ (lfsr0 >> 21) ^ (lfsr0 >> 20) ^ (lfsr0 >> 12)) & 1); var oLfsr0 = (byte)((lfsr0 >> 24 ^ lfsr0 >> 21 ^ lfsr0 >> 20 ^ lfsr0 >> 12) & 1);
lfsr0 = (lfsr0 << 1) | oLfsr0; lfsr0 = lfsr0 << 1 | oLfsr0;
byte oLfsr1 = (byte)(((lfsr1 >> 16) ^ (lfsr1 >> 2)) & 1); var oLfsr1 = (byte)((lfsr1 >> 16 ^ lfsr1 >> 2) & 1);
lfsr1 = (lfsr1 << 1) | oLfsr1; lfsr1 = lfsr1 << 1 | oLfsr1;
byte combined = (byte)(Convert.ToByte(oLfsr1 == 0) + carry + Convert.ToByte(oLfsr0 == 0)); var combined = (byte)(Convert.ToByte(oLfsr1 == 0) + carry + Convert.ToByte(oLfsr0 == 0));
carry = (byte)((combined >> 1) & 1); carry = (byte)(combined >> 1 & 1);
val |= (byte)((combined & 1) << bit); val |= (byte)((combined & 1) << bit);
} }
bits[--index] = val; bits[--index] = val;
} while(index > 0); } while(index > 0);
byte cse = (byte)(_variants[cssVariant] ^ _encryptTable2[cssVariant]); var cse = (byte)(_variants[cssVariant] ^ _encryptTable2[cssVariant]);
int term = 0; var term = 0;
for(int i = 5; --i >= 0; term = scratch[i]) for(var i = 5; --i >= 0; term = scratch[i])
{ {
index = (byte)(bits[25 + i] ^ scratch[i]); index = (byte)(bits[25 + i] ^ scratch[i]);
index = (byte)(_encryptTable1[index] ^ ~_encryptTable2[index] ^ cse); index = (byte)(_encryptTable1[index] ^ ~_encryptTable2[index] ^ cse);
@@ -493,7 +400,7 @@ public class CSS
temp1[4] ^= temp1[0]; temp1[4] ^= temp1[0];
term = 0; term = 0;
for(int i = 5; --i >= 0; term = temp1[i]) for(var i = 5; --i >= 0; term = temp1[i])
{ {
index = (byte)(bits[20 + i] ^ temp1[i]); index = (byte)(bits[20 + i] ^ temp1[i]);
index = (byte)(_encryptTable1[index] ^ ~_encryptTable2[index] ^ cse); index = (byte)(_encryptTable1[index] ^ ~_encryptTable2[index] ^ cse);
@@ -504,7 +411,7 @@ public class CSS
temp2[4] ^= temp2[0]; temp2[4] ^= temp2[0];
term = 0; term = 0;
for(int i = 5; --i >= 0; term = temp2[i]) for(var i = 5; --i >= 0; term = temp2[i])
{ {
index = (byte)(bits[15 + i] ^ temp2[i]); index = (byte)(bits[15 + i] ^ temp2[i]);
index = (byte)(_encryptTable1[index] ^ ~_encryptTable2[index] ^ cse); index = (byte)(_encryptTable1[index] ^ ~_encryptTable2[index] ^ cse);
@@ -516,7 +423,7 @@ public class CSS
temp1[4] ^= temp1[0]; temp1[4] ^= temp1[0];
term = 0; term = 0;
for(int i = 5; --i >= 0; term = temp1[i]) for(var i = 5; --i >= 0; term = temp1[i])
{ {
index = (byte)(bits[10 + i] ^ temp1[i]); index = (byte)(bits[10 + i] ^ temp1[i]);
index = (byte)(_encryptTable1[index] ^ ~_encryptTable2[index] ^ cse); index = (byte)(_encryptTable1[index] ^ ~_encryptTable2[index] ^ cse);
@@ -528,7 +435,7 @@ public class CSS
temp2[4] ^= temp2[0]; temp2[4] ^= temp2[0];
term = 0; term = 0;
for(int i = 5; --i >= 0; term = temp2[i]) for(var i = 5; --i >= 0; term = temp2[i])
{ {
index = (byte)(bits[5 + i] ^ temp2[i]); index = (byte)(bits[5 + i] ^ temp2[i]);
index = (byte)(_encryptTable1[index] ^ ~_encryptTable2[index] ^ cse); index = (byte)(_encryptTable1[index] ^ ~_encryptTable2[index] ^ cse);
@@ -539,7 +446,7 @@ public class CSS
temp1[4] ^= temp1[0]; temp1[4] ^= temp1[0];
term = 0; term = 0;
for(int i = 5; --i >= 0; term = temp1[i]) for(var i = 5; --i >= 0; term = temp1[i])
{ {
index = (byte)(bits[i] ^ temp1[i]); index = (byte)(bits[i] ^ temp1[i]);
index = (byte)(_encryptTable1[index] ^ ~_encryptTable2[index] ^ cse); index = (byte)(_encryptTable1[index] ^ ~_encryptTable2[index] ^ cse);
@@ -556,27 +463,27 @@ public class CSS
static void DecryptKey(byte invert, byte[] cryptoKey, byte[] encryptedKey, out byte[] decryptedKey) static void DecryptKey(byte invert, byte[] cryptoKey, byte[] encryptedKey, out byte[] decryptedKey)
{ {
decryptedKey = new byte[5]; decryptedKey = new byte[5];
byte[] k = new byte[5]; var k = new byte[5];
uint lfsr1Lo = (uint)(cryptoKey[0] | 0x100); var lfsr1Lo = (uint)(cryptoKey[0] | 0x100);
uint lfsr1Hi = cryptoKey[1]; uint lfsr1Hi = cryptoKey[1];
uint lfsr0 = (uint)(((cryptoKey[4] << 17) | (cryptoKey[3] << 9) | (cryptoKey[2] << 1)) + 8 - var lfsr0 = (uint)((cryptoKey[4] << 17 | cryptoKey[3] << 9 | cryptoKey[2] << 1) + 8 -
(cryptoKey[2] & 7)); (cryptoKey[2] & 7));
lfsr0 = (uint)((_cssTable4[lfsr0 & 0xff] << 24) | (_cssTable4[(lfsr0 >> 8) & 0xff] << 16) | lfsr0 = (uint)(_cssTable4[lfsr0 & 0xff] << 24 | _cssTable4[lfsr0 >> 8 & 0xff] << 16 |
(_cssTable4[(lfsr0 >> 16) & 0xff] << 8) | _cssTable4[(lfsr0 >> 24) & 0xff]); _cssTable4[lfsr0 >> 16 & 0xff] << 8 | _cssTable4[lfsr0 >> 24 & 0xff]);
uint combined = 0; uint combined = 0;
for(uint i = 0; i < 5; i++) for(uint i = 0; i < 5; i++)
{ {
byte oLfsr1 = (byte)(_cssTable2[lfsr1Hi] ^ _cssTable3[lfsr1Lo]); var oLfsr1 = (byte)(_cssTable2[lfsr1Hi] ^ _cssTable3[lfsr1Lo]);
lfsr1Hi = lfsr1Lo >> 1; lfsr1Hi = lfsr1Lo >> 1;
lfsr1Lo = ((lfsr1Lo & 1) << 8) ^ oLfsr1; lfsr1Lo = (lfsr1Lo & 1) << 8 ^ oLfsr1;
oLfsr1 = _cssTable4[oLfsr1]; oLfsr1 = _cssTable4[oLfsr1];
byte oLfsr0 = (byte)(((((((lfsr0 >> 8) ^ lfsr0) >> 1) ^ lfsr0) >> 3) ^ lfsr0) >> 7); var oLfsr0 = (byte)((((lfsr0 >> 8 ^ lfsr0) >> 1 ^ lfsr0) >> 3 ^ lfsr0) >> 7);
lfsr0 = (lfsr0 >> 8) | ((uint)oLfsr0 << 24); lfsr0 = lfsr0 >> 8 | (uint)oLfsr0 << 24;
combined += (uint)((oLfsr0 ^ invert) + oLfsr1); combined += (uint)((oLfsr0 ^ invert) + oLfsr1);
k[i] = (byte)(combined & 0xff); k[i] = (byte)(combined & 0xff);
combined >>= 8; combined >>= 8;
@@ -639,11 +546,11 @@ public class CSS
uint blockSize = 2048) uint blockSize = 2048)
{ {
// None of the sectors are encrypted // None of the sectors are encrypted
if((cmiData != null && cmiData.All(static cmi => (cmi & 0x80) >> 7 == 0)) || if(cmiData != null && cmiData.All(static cmi => (cmi & 0x80) >> 7 == 0) ||
keyData.All(static k => k == 0)) keyData.All(static k => k == 0))
return sectorData; return sectorData;
byte[] decryptedBuffer = new byte[sectorData.Length]; var decryptedBuffer = new byte[sectorData.Length];
for(uint i = 0; i < blocks; i++) for(uint i = 0; i < blocks; i++)
{ {
@@ -672,14 +579,14 @@ public class CSS
/// <returns>The unscrambled sector.</returns> /// <returns>The unscrambled sector.</returns>
static byte[] UnscrambleSector(IReadOnlyList<byte> key, byte[] sector) static byte[] UnscrambleSector(IReadOnlyList<byte> key, byte[] sector)
{ {
long lfsr1Lo = (key[0] ^ sector[0x54]) | 0x100; long lfsr1Lo = key[0] ^ sector[0x54] | 0x100;
long lfsr1Hi = key[1] ^ sector[0x55]; long lfsr1Hi = key[1] ^ sector[0x55];
long lfsr0 = (key[2] | (key[3] << 8) | (key[4] << 16)) ^ long lfsr0 = (key[2] | key[3] << 8 | key[4] << 16) ^
(sector[0x56] | (sector[0x57] << 8) | (sector[0x58] << 16)); (sector[0x56] | sector[0x57] << 8 | sector[0x58] << 16);
long oLfsr1 = lfsr0 & 7; long oLfsr1 = lfsr0 & 7;
lfsr0 = (lfsr0 * 2) + 8 - oLfsr1; lfsr0 = lfsr0 * 2 + 8 - oLfsr1;
long combined = 0; long combined = 0;
@@ -687,13 +594,13 @@ public class CSS
{ {
oLfsr1 = _cssTable2[lfsr1Hi] ^ _cssTable3[lfsr1Lo]; oLfsr1 = _cssTable2[lfsr1Hi] ^ _cssTable3[lfsr1Lo];
lfsr1Hi = lfsr1Lo >> 1; lfsr1Hi = lfsr1Lo >> 1;
lfsr1Lo = ((lfsr1Lo & 1) << 8) ^ oLfsr1; lfsr1Lo = (lfsr1Lo & 1) << 8 ^ oLfsr1;
oLfsr1 = _cssTable5[oLfsr1]; oLfsr1 = _cssTable5[oLfsr1];
long oLfsr0 = (((((((lfsr0 >> 3) ^ lfsr0) >> 1) ^ lfsr0) >> 8) ^ lfsr0) >> 5) & 0xff; long oLfsr0 = (((lfsr0 >> 3 ^ lfsr0) >> 1 ^ lfsr0) >> 8 ^ lfsr0) >> 5 & 0xff;
lfsr0 = (lfsr0 << 8) | oLfsr0; lfsr0 = lfsr0 << 8 | oLfsr0;
oLfsr0 = _cssTable4[oLfsr0]; oLfsr0 = _cssTable4[oLfsr0];
combined += oLfsr0 + oLfsr1; combined += oLfsr0 + oLfsr1;
sector[i] = (byte)(_cssTable1[sector[i]] ^ (combined & 0xff)); sector[i] = (byte)(_cssTable1[sector[i]] ^ combined & 0xff);
combined >>= 8; combined >>= 8;
} }
@@ -711,7 +618,10 @@ public class CSS
/// <item>If the CMI tells us the sector isn't encrypted</item> /// <item>If the CMI tells us the sector isn't encrypted</item>
/// <item>If the key is all zeroes</item> /// <item>If the key is all zeroes</item>
/// <item>If the MPEG Packetized Elementary Stream scrambling control value tells us the packet is not scrambled</item> /// <item>If the MPEG Packetized Elementary Stream scrambling control value tells us the packet is not scrambled</item>
/// <item>If if the packet is system_header, padding_stream or private_stream2 (cannot be encrypted according to libdvdcss)</item> /// <item>
/// If if the packet is system_header, padding_stream or private_stream2 (cannot be encrypted according to
/// libdvdcss)
/// </item>
/// </list> /// </list>
/// </summary> /// </summary>
/// <param name="cmi">The Copyright Management Information.</param> /// <param name="cmi">The Copyright Management Information.</param>
@@ -754,14 +664,14 @@ public class CSS
if(cmi.RegionInformation is 0xFF or 0x00) if(cmi.RegionInformation is 0xFF or 0x00)
return true; return true;
return ((rpc.RegionMask & 0x01) == (cmi.RegionInformation & 0x01) && (rpc.RegionMask & 0x01) != 0x01) || return (rpc.RegionMask & 0x01) == (cmi.RegionInformation & 0x01) && (rpc.RegionMask & 0x01) != 0x01 ||
((rpc.RegionMask & 0x02) == (cmi.RegionInformation & 0x02) && (rpc.RegionMask & 0x02) != 0x02) || (rpc.RegionMask & 0x02) == (cmi.RegionInformation & 0x02) && (rpc.RegionMask & 0x02) != 0x02 ||
((rpc.RegionMask & 0x04) == (cmi.RegionInformation & 0x04) && (rpc.RegionMask & 0x04) != 0x04) || (rpc.RegionMask & 0x04) == (cmi.RegionInformation & 0x04) && (rpc.RegionMask & 0x04) != 0x04 ||
((rpc.RegionMask & 0x08) == (cmi.RegionInformation & 0x08) && (rpc.RegionMask & 0x08) != 0x08) || (rpc.RegionMask & 0x08) == (cmi.RegionInformation & 0x08) && (rpc.RegionMask & 0x08) != 0x08 ||
((rpc.RegionMask & 0x10) == (cmi.RegionInformation & 0x10) && (rpc.RegionMask & 0x10) != 0x10) || (rpc.RegionMask & 0x10) == (cmi.RegionInformation & 0x10) && (rpc.RegionMask & 0x10) != 0x10 ||
((rpc.RegionMask & 0x20) == (cmi.RegionInformation & 0x20) && (rpc.RegionMask & 0x20) != 0x20) || (rpc.RegionMask & 0x20) == (cmi.RegionInformation & 0x20) && (rpc.RegionMask & 0x20) != 0x20 ||
((rpc.RegionMask & 0x40) == (cmi.RegionInformation & 0x40) && (rpc.RegionMask & 0x40) != 0x40) || (rpc.RegionMask & 0x40) == (cmi.RegionInformation & 0x40) && (rpc.RegionMask & 0x40) != 0x40 ||
((rpc.RegionMask & 0x80) == (cmi.RegionInformation & 0x80) && (rpc.RegionMask & 0x80) != 0x80); (rpc.RegionMask & 0x80) == (cmi.RegionInformation & 0x80) && (rpc.RegionMask & 0x80) != 0x80;
} }
/// <summary> /// <summary>
@@ -782,7 +692,7 @@ public class CSS
for(uint i = 2; i < 0x30; i++) for(uint i = 2; i < 0x30; i++)
{ {
// Find the number of bytes that repeats in cycles. // Find the number of bytes that repeats in cycles.
for(uint j = i + 1; j < 0x80 && sector[0x7F - (j % i)] == sector[0x7F - j]; j++) for(uint j = i + 1; j < 0x80 && sector[0x7F - j % i] == sector[0x7F - j]; j++)
{ {
if(j <= bestPatternLength) if(j <= bestPatternLength)
continue; continue;
@@ -798,10 +708,10 @@ public class CSS
bestPatternLength / bestPattern < 2) bestPatternLength / bestPattern < 2)
return false; return false;
int offset = (int)(0x80 - ((bestPatternLength / bestPattern) * bestPattern)); var offset = (int)(0x80 - bestPatternLength / bestPattern * bestPattern);
int result = RecoverTitleKey(0, sector.Skip(0x80).Take(sector.Length - 0x80).ToArray(), int result = RecoverTitleKey(0, sector.Skip(0x80).Take(sector.Length - 0x80).ToArray(),
sector.Skip(offset).Take((int)(sector.Length - offset)).ToArray(), sector.Skip(offset).Take(sector.Length - offset).ToArray(),
sector.Skip(0x54).Take(5).ToArray(), out key); sector.Skip(0x54).Take(5).ToArray(), out key);
return result >= 0; return result >= 0;
@@ -820,7 +730,7 @@ public class CSS
static int RecoverTitleKey(uint start, byte[] encryptedBytes, byte[] decryptedBytes, byte[] sectorSeed, static int RecoverTitleKey(uint start, byte[] encryptedBytes, byte[] decryptedBytes, byte[] sectorSeed,
out byte[] key) out byte[] key)
{ {
byte[] buffer = new byte[10]; var buffer = new byte[10];
long oLfsr1; long oLfsr1;
long oLfsr0; long oLfsr0;
long iTry; long iTry;
@@ -833,7 +743,7 @@ public class CSS
for(iTry = start; iTry < 0x10000; iTry++) for(iTry = start; iTry < 0x10000; iTry++)
{ {
long lfsr1Lo = (iTry >> 8) | 0x100; long lfsr1Lo = iTry >> 8 | 0x100;
long lfsr1Hi = iTry & 0xff; long lfsr1Hi = iTry & 0xff;
long lfsr0 = 0; long lfsr0 = 0;
long combined = 0; long combined = 0;
@@ -844,12 +754,12 @@ public class CSS
// Advance LFSR1 normally // Advance LFSR1 normally
oLfsr1 = _cssTable2[lfsr1Hi] ^ _cssTable3[lfsr1Lo]; oLfsr1 = _cssTable2[lfsr1Hi] ^ _cssTable3[lfsr1Lo];
lfsr1Hi = lfsr1Lo >> 1; lfsr1Hi = lfsr1Lo >> 1;
lfsr1Lo = ((lfsr1Lo & 1) << 8) ^ oLfsr1; lfsr1Lo = (lfsr1Lo & 1) << 8 ^ oLfsr1;
oLfsr1 = _cssTable5[oLfsr1]; oLfsr1 = _cssTable5[oLfsr1];
oLfsr0 = buffer[i]; oLfsr0 = buffer[i];
if(combined > 0) if(combined > 0)
oLfsr0 = (oLfsr0 + 0xff) & 0x0ff; oLfsr0 = oLfsr0 + 0xff & 0x0ff;
if(oLfsr0 < oLfsr1) if(oLfsr0 < oLfsr1)
oLfsr0 += 0x100; oLfsr0 += 0x100;
@@ -857,7 +767,7 @@ public class CSS
oLfsr0 -= oLfsr1; oLfsr0 -= oLfsr1;
combined += oLfsr0 + oLfsr1; combined += oLfsr0 + oLfsr1;
oLfsr0 = _cssTable4[oLfsr0]; oLfsr0 = _cssTable4[oLfsr0];
lfsr0 = (lfsr0 << 8) | oLfsr0; lfsr0 = lfsr0 << 8 | oLfsr0;
combined >>= 8; combined >>= 8;
} }
@@ -868,10 +778,10 @@ public class CSS
{ {
oLfsr1 = _cssTable2[lfsr1Hi] ^ _cssTable3[lfsr1Lo]; oLfsr1 = _cssTable2[lfsr1Hi] ^ _cssTable3[lfsr1Lo];
lfsr1Hi = lfsr1Lo >> 1; lfsr1Hi = lfsr1Lo >> 1;
lfsr1Lo = ((lfsr1Lo & 1) << 8) ^ oLfsr1; lfsr1Lo = (lfsr1Lo & 1) << 8 ^ oLfsr1;
oLfsr1 = _cssTable5[oLfsr1]; oLfsr1 = _cssTable5[oLfsr1];
oLfsr0 = (((((((lfsr0 >> 3) ^ lfsr0) >> 1) ^ lfsr0) >> 8) ^ lfsr0) >> 5) & 0xff; oLfsr0 = (((lfsr0 >> 3 ^ lfsr0) >> 1 ^ lfsr0) >> 8 ^ lfsr0) >> 5 & 0xff;
lfsr0 = (lfsr0 << 8) | oLfsr0; lfsr0 = lfsr0 << 8 | oLfsr0;
oLfsr0 = _cssTable4[oLfsr0]; oLfsr0 = _cssTable4[oLfsr0];
combined += oLfsr0 + oLfsr1; combined += oLfsr0 + oLfsr1;
@@ -889,12 +799,12 @@ public class CSS
for(i = 0; i < 4; i++) for(i = 0; i < 4; i++)
{ {
lfsr1Lo = lfsr0 & 0xff; lfsr1Lo = lfsr0 & 0xff;
lfsr0 = (lfsr0 >> 8); lfsr0 = lfsr0 >> 8;
for(uint j = 0; j < 256; j++) for(uint j = 0; j < 256; j++)
{ {
lfsr0 = (lfsr0 & 0x1ffff) | (j << 17); lfsr0 = lfsr0 & 0x1ffff | j << 17;
oLfsr0 = (((((((lfsr0 >> 3) ^ lfsr0) >> 1) ^ lfsr0) >> 8) ^ lfsr0) >> 5) & 0xff; oLfsr0 = (((lfsr0 >> 3 ^ lfsr0) >> 1 ^ lfsr0) >> 8 ^ lfsr0) >> 5 & 0xff;
if(oLfsr0 == lfsr1Lo) if(oLfsr0 == lfsr1Lo)
break; break;
@@ -905,14 +815,14 @@ public class CSS
for(combined = 0; combined < 8; combined++) for(combined = 0; combined < 8; combined++)
{ {
if(((oLfsr1 + combined) * 2) + 8 - ((oLfsr1 + combined) & 7) != lfsr0) if((oLfsr1 + combined) * 2 + 8 - (oLfsr1 + combined & 7) != lfsr0)
continue; continue;
key[0] = (byte)(iTry >> 8); key[0] = (byte)(iTry >> 8);
key[1] = (byte)(iTry & 0xFF); key[1] = (byte)(iTry & 0xFF);
key[2] = (byte)(((oLfsr1 + combined) >> 0) & 0xFF); key[2] = (byte)(oLfsr1 + combined >> 0 & 0xFF);
key[3] = (byte)(((oLfsr1 + combined) >> 8) & 0xFF); key[3] = (byte)(oLfsr1 + combined >> 8 & 0xFF);
key[4] = (byte)(((oLfsr1 + combined) >> 16) & 0xFF); key[4] = (byte)(oLfsr1 + combined >> 16 & 0xFF);
exit = (int)(iTry + 1); exit = (int)(iTry + 1);
} }
} }
@@ -938,7 +848,7 @@ public class CSS
/// <returns>The title key.</returns> /// <returns>The title key.</returns>
static byte[] FindTitleKey(IOpticalMediaImage input, ulong startSector, ulong sectorsToSearch = 20000) static byte[] FindTitleKey(IOpticalMediaImage input, ulong startSector, ulong sectorsToSearch = 20000)
{ {
byte[] titleKey = new byte[5]; var titleKey = new byte[5];
for(ulong i = 0; i < sectorsToSearch; i++) for(ulong i = 0; i < sectorsToSearch; i++)
{ {
@@ -965,7 +875,7 @@ public class CSS
public static byte[] GenerateTitleKeys(IOpticalMediaImage input, List<Partition> partitions, ulong trackSectors, public static byte[] GenerateTitleKeys(IOpticalMediaImage input, List<Partition> partitions, ulong trackSectors,
Type pluginType) Type pluginType)
{ {
byte[] keys = new byte[trackSectors * 5]; var keys = new byte[trackSectors * 5];
foreach(Partition partition in partitions) foreach(Partition partition in partitions)
{ {

55
DVD/Dump.cs
View File

@@ -70,14 +70,14 @@ public sealed class Dump
out double duration) out double duration)
{ {
senseBuffer = new byte[64]; senseBuffer = new byte[64];
byte[] cdb = new byte[12]; var cdb = new byte[12];
buffer = new byte[8]; buffer = new byte[8];
cdb[0] = (byte)ScsiCommands.ReportKey; cdb[0] = (byte)ScsiCommands.ReportKey;
cdb[7] = (byte)keyClass; cdb[7] = (byte)keyClass;
cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8); cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8);
cdb[9] = (byte)(buffer.Length & 0xFF); cdb[9] = (byte)(buffer.Length & 0xFF);
cdb[10] = (byte)((byte)CssReportKeyFormat.Asf ^ ((Agid & 0x03) << 6)); cdb[10] = (byte)((byte)CssReportKeyFormat.Asf ^ (Agid & 0x03) << 6);
_dev.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out bool sense); _dev.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out bool sense);
@@ -98,14 +98,14 @@ public sealed class Dump
out double duration) out double duration)
{ {
senseBuffer = new byte[64]; senseBuffer = new byte[64];
byte[] cdb = new byte[12]; var cdb = new byte[12];
buffer = new byte[8]; buffer = new byte[8];
cdb[0] = (byte)ScsiCommands.ReportKey; cdb[0] = (byte)ScsiCommands.ReportKey;
cdb[7] = (byte)keyClass; cdb[7] = (byte)keyClass;
cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8); cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8);
cdb[9] = (byte)(buffer.Length & 0xFF); cdb[9] = (byte)(buffer.Length & 0xFF);
cdb[10] = (byte)((byte)CssReportKeyFormat.RpcState ^ ((Agid & 0x03) << 6)); cdb[10] = (byte)((byte)CssReportKeyFormat.RpcState ^ (Agid & 0x03) << 6);
_dev.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out bool sense); _dev.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out bool sense);
@@ -126,14 +126,14 @@ public sealed class Dump
out double duration) out double duration)
{ {
senseBuffer = new byte[64]; senseBuffer = new byte[64];
byte[] cdb = new byte[12]; var cdb = new byte[12];
buffer = Array.Empty<byte>(); buffer = Array.Empty<byte>();
cdb[0] = (byte)ScsiCommands.ReportKey; cdb[0] = (byte)ScsiCommands.ReportKey;
cdb[7] = (byte)keyClass; cdb[7] = (byte)keyClass;
cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8); cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8);
cdb[9] = (byte)(buffer.Length & 0xFF); cdb[9] = (byte)(buffer.Length & 0xFF);
cdb[10] = (byte)((byte)CssReportKeyFormat.InvalidateAgid ^ ((Agid & 0x03) << 6)); cdb[10] = (byte)((byte)CssReportKeyFormat.InvalidateAgid ^ (Agid & 0x03) << 6);
_dev.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out bool sense); _dev.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out bool sense);
@@ -154,14 +154,14 @@ public sealed class Dump
out double duration) out double duration)
{ {
senseBuffer = new byte[64]; senseBuffer = new byte[64];
byte[] cdb = new byte[12]; var cdb = new byte[12];
buffer = new byte[8]; buffer = new byte[8];
cdb[0] = (byte)ScsiCommands.ReportKey; cdb[0] = (byte)ScsiCommands.ReportKey;
cdb[7] = (byte)keyClass; cdb[7] = (byte)keyClass;
cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8); cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8);
cdb[9] = (byte)(buffer.Length & 0xFF); cdb[9] = (byte)(buffer.Length & 0xFF);
cdb[10] = (byte)((byte)CssReportKeyFormat.AgidForCssCppm ^ ((Agid & 0x03) << 6)); cdb[10] = (byte)((byte)CssReportKeyFormat.AgidForCssCppm ^ (Agid & 0x03) << 6);
_dev.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out bool sense); _dev.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out bool sense);
@@ -183,14 +183,14 @@ public sealed class Dump
out double duration) out double duration)
{ {
senseBuffer = new byte[64]; senseBuffer = new byte[64];
byte[] cdb = new byte[12]; var cdb = new byte[12];
buffer = new byte[12]; buffer = new byte[12];
cdb[0] = (byte)ScsiCommands.ReportKey; cdb[0] = (byte)ScsiCommands.ReportKey;
cdb[7] = (byte)keyClass; cdb[7] = (byte)keyClass;
cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8); cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8);
cdb[9] = (byte)(buffer.Length & 0xFF); cdb[9] = (byte)(buffer.Length & 0xFF);
cdb[10] = (byte)((byte)CssReportKeyFormat.Key1 ^ ((Agid & 0x03) << 6)); cdb[10] = (byte)((byte)CssReportKeyFormat.Key1 ^ (Agid & 0x03) << 6);
_dev.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out bool sense); _dev.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out bool sense);
@@ -211,14 +211,14 @@ public sealed class Dump
out double duration) out double duration)
{ {
senseBuffer = new byte[64]; senseBuffer = new byte[64];
byte[] cdb = new byte[12]; var cdb = new byte[12];
buffer = new byte[16]; buffer = new byte[16];
cdb[0] = (byte)ScsiCommands.ReportKey; cdb[0] = (byte)ScsiCommands.ReportKey;
cdb[7] = (byte)keyClass; cdb[7] = (byte)keyClass;
cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8); cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8);
cdb[9] = (byte)(buffer.Length & 0xFF); cdb[9] = (byte)(buffer.Length & 0xFF);
cdb[10] = (byte)((byte)CssReportKeyFormat.ChallengeKey ^ ((Agid & 0x03) << 6)); cdb[10] = (byte)((byte)CssReportKeyFormat.ChallengeKey ^ (Agid & 0x03) << 6);
_dev.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out bool sense); _dev.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out bool sense);
@@ -240,16 +240,16 @@ public sealed class Dump
uint timeout, out double duration) uint timeout, out double duration)
{ {
senseBuffer = new byte[64]; senseBuffer = new byte[64];
byte[] cdb = new byte[12]; var cdb = new byte[12];
buffer = new byte[16]; buffer = new byte[16];
cdb[0] = (byte)ScsiCommands.SendKey; cdb[0] = (byte)ScsiCommands.SendKey;
cdb[7] = (byte)keyClass; cdb[7] = (byte)keyClass;
cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8); cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8);
cdb[9] = (byte)(buffer.Length & 0xFF); cdb[9] = (byte)(buffer.Length & 0xFF);
cdb[10] = (byte)((byte)CssSendKeyFormat.ChallengeKey ^ ((Agid & 0x03) << 6)); cdb[10] = (byte)((byte)CssSendKeyFormat.ChallengeKey ^ (Agid & 0x03) << 6);
buffer[0] = (byte)(((buffer.Length - 2) & 0xFF00) >> 8); buffer[0] = (byte)((buffer.Length - 2 & 0xFF00) >> 8);
buffer[1] = (byte)((buffer.Length - 2) & 0xFF); buffer[1] = (byte)(buffer.Length - 2 & 0xFF);
buffer[4] = challengeKey[9]; buffer[4] = challengeKey[9];
buffer[5] = challengeKey[8]; buffer[5] = challengeKey[8];
buffer[6] = challengeKey[7]; buffer[6] = challengeKey[7];
@@ -283,16 +283,16 @@ public sealed class Dump
out double duration) out double duration)
{ {
senseBuffer = new byte[64]; senseBuffer = new byte[64];
byte[] cdb = new byte[12]; var cdb = new byte[12];
buffer = new byte[12]; buffer = new byte[12];
cdb[0] = (byte)ScsiCommands.SendKey; cdb[0] = (byte)ScsiCommands.SendKey;
cdb[7] = (byte)keyClass; cdb[7] = (byte)keyClass;
cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8); cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8);
cdb[9] = (byte)(buffer.Length & 0xFF); cdb[9] = (byte)(buffer.Length & 0xFF);
cdb[10] = (byte)((byte)CssSendKeyFormat.Key2 ^ ((Agid & 0x03) << 6)); cdb[10] = (byte)((byte)CssSendKeyFormat.Key2 ^ (Agid & 0x03) << 6);
buffer[0] = (byte)(((buffer.Length - 2) & 0xFF00) >> 8); buffer[0] = (byte)((buffer.Length - 2 & 0xFF00) >> 8);
buffer[1] = (byte)((buffer.Length - 2) & 0xFF); buffer[1] = (byte)(buffer.Length - 2 & 0xFF);
buffer[4] = key2[4]; buffer[4] = key2[4];
buffer[5] = key2[3]; buffer[5] = key2[3];
buffer[6] = key2[2]; buffer[6] = key2[2];
@@ -318,7 +318,7 @@ public sealed class Dump
public bool ReadDiscKey(out byte[] buffer, out byte[] senseBuffer, uint timeout, out double duration) public bool ReadDiscKey(out byte[] buffer, out byte[] senseBuffer, uint timeout, out double duration)
{ {
senseBuffer = new byte[64]; senseBuffer = new byte[64];
byte[] cdb = new byte[12]; var cdb = new byte[12];
buffer = new byte[2052]; buffer = new byte[2052];
cdb[0] = (byte)ScsiCommands.ReadDiscStructure; cdb[0] = (byte)ScsiCommands.ReadDiscStructure;
@@ -348,9 +348,9 @@ public sealed class Dump
buffer = Array.Empty<byte>(); buffer = Array.Empty<byte>();
senseBuffer = new byte[64]; senseBuffer = new byte[64];
bool sense = false; var sense = false;
byte[] challenge = new byte[CHALLENGE_SIZE]; var challenge = new byte[CHALLENGE_SIZE];
byte[] key1 = new byte[KEY_SIZE]; var key1 = new byte[KEY_SIZE];
byte variant = 0; byte variant = 0;
for(byte i = 0; i < 4; i++) for(byte i = 0; i < 4; i++)
@@ -368,7 +368,8 @@ public sealed class Dump
out duration); out duration);
break; break;
case CopyrightType.CPRM: throw new NotImplementedException(); case CopyrightType.CPRM:
throw new NotImplementedException();
} }
if(sense) if(sense)
@@ -459,7 +460,7 @@ public sealed class Dump
BusKey = buffer; BusKey = buffer;
senseBuffer = new byte[64]; senseBuffer = new byte[64];
byte[] cdb = new byte[12]; var cdb = new byte[12];
buffer = new byte[12]; buffer = new byte[12];
cdb[0] = (byte)ScsiCommands.ReportKey; cdb[0] = (byte)ScsiCommands.ReportKey;
@@ -470,7 +471,7 @@ public sealed class Dump
cdb[7] = (byte)keyClass; cdb[7] = (byte)keyClass;
cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8); cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8);
cdb[9] = (byte)(buffer.Length & 0xFF); cdb[9] = (byte)(buffer.Length & 0xFF);
cdb[10] = (byte)((byte)CssReportKeyFormat.TitleKey ^ ((Agid & 0x03) << 6)); cdb[10] = (byte)((byte)CssReportKeyFormat.TitleKey ^ (Agid & 0x03) << 6);
_dev.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out bool sense); _dev.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out bool sense);

131
DVD/MPEG.cs
View File

@@ -44,44 +44,107 @@ namespace Aaru.Decryption.DVD;
public class MPEG public class MPEG
{ {
static byte[] _mpeg2PackHeaderStartCode = #region Mpeg2StreamId enum
{
0x0, 0x0, 0x1
};
public enum Mpeg2StreamId : byte public enum Mpeg2StreamId : byte
{ {
ProgramEnd = 0xB9, PackHeader = 0xBA, SystemHeader = 0xBB, ProgramEnd = 0xB9,
ProgramStreamMap = 0xBC, PrivateStream1 = 0xBD, PaddingStream = 0xBE, PackHeader = 0xBA,
PrivateStream2 = 0xBF, EcmStream = 0xF0, EmmStream = 0xF1, SystemHeader = 0xBB,
ItuTRecH222_0_or_IsoIec13818_1AnnexA_or_IsoIec13818_6DsmccStream = 0xF2, IsoIec13522Stream = 0xF3, ProgramStreamMap = 0xBC,
ItuTRecH222_1TypeA = 0xF4, ItuTRecH222_1TypeB = 0xF5, ItuTRecH222_1TypeC = 0xF6, PrivateStream1 = 0xBD,
ItuTRecH222_1TypeD = 0xF7, ItuTRecH222_1TypeE = 0xF8, AncillaryStream = 0xF9, PaddingStream = 0xBE,
Reserved1 = 0xFA, Reserved2 = 0xFB, Reserved3 = 0xFC, PrivateStream2 = 0xBF,
Reserved4 = 0xFD, Reserved5 = 0xFE, ProgramStreamDirectory = 0xFF, EcmStream = 0xF0,
EmmStream = 0xF1,
ItuTRecH222_0_or_IsoIec13818_1AnnexA_or_IsoIec13818_6DsmccStream = 0xF2,
IsoIec13522Stream = 0xF3,
ItuTRecH222_1TypeA = 0xF4,
ItuTRecH222_1TypeB = 0xF5,
ItuTRecH222_1TypeC = 0xF6,
ItuTRecH222_1TypeD = 0xF7,
ItuTRecH222_1TypeE = 0xF8,
AncillaryStream = 0xF9,
Reserved1 = 0xFA,
Reserved2 = 0xFB,
Reserved3 = 0xFC,
Reserved4 = 0xFD,
Reserved5 = 0xFE,
ProgramStreamDirectory = 0xFF,
// DVD Video can only hold 8 audio streams // DVD Video can only hold 8 audio streams
MpegAudioStream1 = 0xC0, MpegAudioStream2 = 0xC1, MpegAudioStream3 = 0xC2, MpegAudioStream1 = 0xC0,
MpegAudioStream4 = 0xC3, MpegAudioStream5 = 0xC4, MpegAudioStream6 = 0xC5, MpegAudioStream2 = 0xC1,
MpegAudioStream7 = 0xC6, MpegAudioStream8 = 0xC7, MpegAudioStream9 = 0xC8, MpegAudioStream3 = 0xC2,
MpegAudioStream10 = 0xC9, MpegAudioStream11 = 0xCA, MpegAudioStream12 = 0xCB, MpegAudioStream4 = 0xC3,
MpegAudioStream13 = 0xCC, MpegAudioStream14 = 0xCD, MpegAudioStream15 = 0xCE, MpegAudioStream5 = 0xC4,
MpegAudioStream16 = 0xCF, MpegAudioStream17 = 0xD0, MpegAudioStream18 = 0xD1, MpegAudioStream6 = 0xC5,
MpegAudioStream19 = 0xD2, MpegAudioStream20 = 0xD3, MpegAudioStream21 = 0xD4, MpegAudioStream7 = 0xC6,
MpegAudioStream22 = 0xD5, MpegAudioStream23 = 0xD6, MpegAudioStream24 = 0xD7, MpegAudioStream8 = 0xC7,
MpegAudioStream25 = 0xD8, MpegAudioStream26 = 0xD9, MpegAudioStream27 = 0xDA, MpegAudioStream9 = 0xC8,
MpegAudioStream28 = 0xDB, MpegAudioStream29 = 0xDC, MpegAudioStream30 = 0xDD, MpegAudioStream10 = 0xC9,
MpegAudioStream31 = 0xDE, MpegAudioStream32 = 0xDF, MpegAudioStream11 = 0xCA,
MpegAudioStream12 = 0xCB,
MpegAudioStream13 = 0xCC,
MpegAudioStream14 = 0xCD,
MpegAudioStream15 = 0xCE,
MpegAudioStream16 = 0xCF,
MpegAudioStream17 = 0xD0,
MpegAudioStream18 = 0xD1,
MpegAudioStream19 = 0xD2,
MpegAudioStream20 = 0xD3,
MpegAudioStream21 = 0xD4,
MpegAudioStream22 = 0xD5,
MpegAudioStream23 = 0xD6,
MpegAudioStream24 = 0xD7,
MpegAudioStream25 = 0xD8,
MpegAudioStream26 = 0xD9,
MpegAudioStream27 = 0xDA,
MpegAudioStream28 = 0xDB,
MpegAudioStream29 = 0xDC,
MpegAudioStream30 = 0xDD,
MpegAudioStream31 = 0xDE,
MpegAudioStream32 = 0xDF,
// DVD Video can only hold 1 video stream // DVD Video can only hold 1 video stream
MpegVideStream1 = 0xE0, MpegVideStream2 = 0xE1, MpegVideStream3 = 0xE2, MpegVideStream1 = 0xE0,
MpegVideStream4 = 0xE3, MpegVideStream5 = 0xE4, MpegVideStream6 = 0xE5, MpegVideStream2 = 0xE1,
MpegVideStream7 = 0xE6, MpegVideStream8 = 0xE7, MpegVideStream9 = 0xE8, MpegVideStream3 = 0xE2,
MpegVideStream10 = 0xE9, MpegVideStream11 = 0xEA, MpegVideStream12 = 0xEB, MpegVideStream4 = 0xE3,
MpegVideStream13 = 0xEC, MpegVideStream14 = 0xED, MpegVideStream15 = 0xEE, MpegVideStream5 = 0xE4,
MpegVideStream6 = 0xE5,
MpegVideStream7 = 0xE6,
MpegVideStream8 = 0xE7,
MpegVideStream9 = 0xE8,
MpegVideStream10 = 0xE9,
MpegVideStream11 = 0xEA,
MpegVideStream12 = 0xEB,
MpegVideStream13 = 0xEC,
MpegVideStream14 = 0xED,
MpegVideStream15 = 0xEE,
MpegVideStream16 = 0xEF MpegVideStream16 = 0xEF
} }
#endregion
static readonly byte[] _mpeg2PackHeaderStartCode = { 0x0, 0x0, 0x1 };
public static bool ContainsMpegPackets(byte[] sectorData, uint blocks = 1, uint blockSize = 2048)
{
for(uint i = 0; i < blocks; i++)
{
if(IsMpegPacket(sectorData.Skip((int)(i * blockSize))))
return true;
}
return false;
}
public static bool IsMpegPacket(IEnumerable<byte> sector) =>
sector.Take(3).ToArray().SequenceEqual(_mpeg2PackHeaderStartCode);
#region Nested type: MpegHeader
public struct MpegHeader public struct MpegHeader
{ {
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)] [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)]
@@ -94,15 +157,5 @@ public class MPEG
byte packStuffingLengthBlock; byte packStuffingLengthBlock;
} }
public static bool ContainsMpegPackets(byte[] sectorData, uint blocks = 1, uint blockSize = 2048) #endregion
{
for(uint i = 0; i < blocks; i++)
if(IsMpegPacket(sectorData.Skip((int)(i * blockSize))))
return true;
return false;
}
public static bool IsMpegPacket(IEnumerable<byte> sector) =>
sector.Take(3).ToArray().SequenceEqual(_mpeg2PackHeaderStartCode);
} }

7
Enums.cs
View File

@@ -2,10 +2,13 @@ namespace Aaru.Decryption;
public enum DvdCssKeyClass : byte public enum DvdCssKeyClass : byte
{ {
DvdCssCppmOrCprm = 0, RewritableSecurityServicesA = 1 DvdCssCppmOrCprm = 0,
RewritableSecurityServicesA = 1
} }
public enum DvdCssKeyType public enum DvdCssKeyType
{ {
Key1 = 0, Key2 = 1, BusKey = 2 Key1 = 0,
Key2 = 1,
BusKey = 2
} }

82
Localization/Localization.Designer.cs generated
View File

@@ -11,32 +11,46 @@ namespace Aaru.Decryption {
using System; using System;
[System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0")] /// <summary>
[System.Diagnostics.DebuggerNonUserCodeAttribute()] /// A strongly-typed resource class, for looking up localized strings, etc.
[System.Runtime.CompilerServices.CompilerGeneratedAttribute()] /// </summary>
// This class was auto-generated by the StronglyTypedResourceBuilder
// class via a tool like ResGen or Visual Studio.
// To add or remove a member, edit your .ResX file then rerun ResGen
// with the /str option, or rebuild your VS project.
[global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0")]
[global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
[global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
internal class Localization { internal class Localization {
private static System.Resources.ResourceManager resourceMan; private static global::System.Resources.ResourceManager resourceMan;
private static System.Globalization.CultureInfo resourceCulture; private static global::System.Globalization.CultureInfo resourceCulture;
[System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")] [global::System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
internal Localization() { internal Localization() {
} }
[System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Advanced)] /// <summary>
internal static System.Resources.ResourceManager ResourceManager { /// Returns the cached ResourceManager instance used by this class.
/// </summary>
[global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
internal static global::System.Resources.ResourceManager ResourceManager {
get { get {
if (object.Equals(null, resourceMan)) { if (object.ReferenceEquals(resourceMan, null)) {
System.Resources.ResourceManager temp = new System.Resources.ResourceManager("Aaru.Decryption.Localization.Localization", typeof(Localization).Assembly); global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("Aaru.Decryption.Localization.Localization", typeof(Localization).Assembly);
resourceMan = temp; resourceMan = temp;
} }
return resourceMan; return resourceMan;
} }
} }
[System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Advanced)] /// <summary>
internal static System.Globalization.CultureInfo Culture { /// Overrides the current thread's CurrentUICulture property for all
/// resource lookups using this strongly typed resource class.
/// </summary>
[global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
internal static global::System.Globalization.CultureInfo Culture {
get { get {
return resourceCulture; return resourceCulture;
} }
@@ -45,52 +59,76 @@ namespace Aaru.Decryption {
} }
} }
internal static string REPORT_ASF_AGID_1_Sense_2_Last_Error_3_took_0_ms { /// <summary>
/// Looks up a localized string similar to GET TITLE KEY (AGID: {1}, LBA: {2}, Sense: {3}) took {0} ms..
/// </summary>
internal static string GET_TITLE_KEY_AGID_1_LBA_2_Sense_3_took_0_ms {
get { get {
return ResourceManager.GetString("REPORT_ASF_AGID_1_Sense_2_Last_Error_3_took_0_ms", resourceCulture); return ResourceManager.GetString("GET_TITLE_KEY_AGID_1_LBA_2_Sense_3_took_0_ms", resourceCulture);
} }
} }
/// <summary>
/// Looks up a localized string similar to INVALIDATE AGID (AGID: {1}, Sense: {2}, Last Error: {3}) took {0} ms..
/// </summary>
internal static string INVALIDATE_AGID_AGID_1_Sense_2_Last_Error_3_took_0_ms { internal static string INVALIDATE_AGID_AGID_1_Sense_2_Last_Error_3_took_0_ms {
get { get {
return ResourceManager.GetString("INVALIDATE_AGID_AGID_1_Sense_2_Last_Error_3_took_0_ms", resourceCulture); return ResourceManager.GetString("INVALIDATE_AGID_AGID_1_Sense_2_Last_Error_3_took_0_ms", resourceCulture);
} }
} }
/// <summary>
/// Looks up a localized string similar to REPORT AGID CSS/CPPM (AGID: {1}, Sense: {2}, Last Error: {3}) took {0} ms..
/// </summary>
internal static string REPORT_AGID_CSS_CPPM_AGID_1_Sense_2_Last_Error_3_took_0_ms { internal static string REPORT_AGID_CSS_CPPM_AGID_1_Sense_2_Last_Error_3_took_0_ms {
get { get {
return ResourceManager.GetString("REPORT_AGID_CSS_CPPM_AGID_1_Sense_2_Last_Error_3_took_0_ms", resourceCulture); return ResourceManager.GetString("REPORT_AGID_CSS_CPPM_AGID_1_Sense_2_Last_Error_3_took_0_ms", resourceCulture);
} }
} }
internal static string REPORT_KEY1_AGID_1_Sense_2_Last_Error_3_took_0_ms { /// <summary>
/// Looks up a localized string similar to REPORT ASF (AGID: {1}, Sense: {2}, Last Error: {3}) took {0} ms..
/// </summary>
internal static string REPORT_ASF_AGID_1_Sense_2_Last_Error_3_took_0_ms {
get { get {
return ResourceManager.GetString("REPORT_KEY1_AGID_1_Sense_2_Last_Error_3_took_0_ms", resourceCulture); return ResourceManager.GetString("REPORT_ASF_AGID_1_Sense_2_Last_Error_3_took_0_ms", resourceCulture);
} }
} }
/// <summary>
/// Looks up a localized string similar to REPORT CHALLENGE (AGID: {1}, Sense: {2}, Last Error: {3}) took {0} ms..
/// </summary>
internal static string REPORT_CHALLENGE_AGID_1_Sense_2_Last_Error_3_took_0_ms { internal static string REPORT_CHALLENGE_AGID_1_Sense_2_Last_Error_3_took_0_ms {
get { get {
return ResourceManager.GetString("REPORT_CHALLENGE_AGID_1_Sense_2_Last_Error_3_took_0_ms", resourceCulture); return ResourceManager.GetString("REPORT_CHALLENGE_AGID_1_Sense_2_Last_Error_3_took_0_ms", resourceCulture);
} }
} }
/// <summary>
/// Looks up a localized string similar to REPORT KEY1 (AGID: {1}, Sense: {2}, Last Error: {3}) took {0} ms..
/// </summary>
internal static string REPORT_KEY1_AGID_1_Sense_2_Last_Error_3_took_0_ms {
get {
return ResourceManager.GetString("REPORT_KEY1_AGID_1_Sense_2_Last_Error_3_took_0_ms", resourceCulture);
}
}
/// <summary>
/// Looks up a localized string similar to SEND CHALLENGE (AGID: {1}, Challenge {2}, Sense: {3}, Last Error: {4}) took {0} ms..
/// </summary>
internal static string SEND_CHALLENGE_AGID_1_Challenge_2_Sense_3_Last_Error_4_took_0_ms { internal static string SEND_CHALLENGE_AGID_1_Challenge_2_Sense_3_Last_Error_4_took_0_ms {
get { get {
return ResourceManager.GetString("SEND_CHALLENGE_AGID_1_Challenge_2_Sense_3_Last_Error_4_took_0_ms", resourceCulture); return ResourceManager.GetString("SEND_CHALLENGE_AGID_1_Challenge_2_Sense_3_Last_Error_4_took_0_ms", resourceCulture);
} }
} }
/// <summary>
/// Looks up a localized string similar to SEND CHALLENGE (AGID: {1}, KEY2 {2}, Sense: {3}, Last Error: {4}) took {0} ms..
/// </summary>
internal static string SEND_CHALLENGE_AGID_1_KEY2_2_Sense_3_Last_Error_4_took_0_ms { internal static string SEND_CHALLENGE_AGID_1_KEY2_2_Sense_3_Last_Error_4_took_0_ms {
get { get {
return ResourceManager.GetString("SEND_CHALLENGE_AGID_1_KEY2_2_Sense_3_Last_Error_4_took_0_ms", resourceCulture); return ResourceManager.GetString("SEND_CHALLENGE_AGID_1_KEY2_2_Sense_3_Last_Error_4_took_0_ms", resourceCulture);
} }
} }
internal static string GET_TITLE_KEY_AGID_1_LBA_2_Sense_3_took_0_ms {
get {
return ResourceManager.GetString("GET_TITLE_KEY_AGID_1_LBA_2_Sense_3_took_0_ms", resourceCulture);
}
}
} }
} }

8
Localization/Localization.es.resx
View File

@@ -7,10 +7,14 @@
<value>1.3</value> <value>1.3</value>
</resheader> </resheader>
<resheader name="reader"> <resheader name="reader">
<value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value> <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral,
PublicKeyToken=b77a5c561934e089
</value>
</resheader> </resheader>
<resheader name="writer"> <resheader name="writer">
<value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value> <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral,
PublicKeyToken=b77a5c561934e089
</value>
</resheader> </resheader>
<data name="GET_TITLE_KEY_AGID_1_LBA_2_Sense_3_took_0_ms" xml:space="preserve"> <data name="GET_TITLE_KEY_AGID_1_LBA_2_Sense_3_took_0_ms" xml:space="preserve">
<value>GET TITLE KEY (AGID: {1}, LBA: {2}, Sense: {3}) tardó {0} ms.</value> <value>GET TITLE KEY (AGID: {1}, LBA: {2}, Sense: {3}) tardó {0} ms.</value>

4
Localization/Localization.resx
View File

@@ -1,7 +1,9 @@
<?xml version="1.0" encoding="utf-8" ?> <?xml version="1.0" encoding="utf-8" ?>
<root> <root>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata" id="root" <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:msdata="urn:schemas-microsoft-com:xml-msdata"
id="root"
xmlns=""> xmlns="">
<xsd:element name="root" msdata:IsDataSet="true"></xsd:element> <xsd:element name="root" msdata:IsDataSet="true"></xsd:element>
</xsd:schema> </xsd:schema>