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Example code to show how to decrypt DVDs.

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This commit is contained in:
espie 2001-11-02 15:22:08 +00:00
parent 643165768d
commit ac3539acb4
5 changed files with 113 additions and 0 deletions
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20
converters/libdvdcss/Makefile Normal file
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# $OpenBSD: Makefile,v 1.1.1.1 2001/11/02 15:22:08 espie Exp $
CATEGORIES=converters
COMMENT="Descramble DVDs"
DISTNAME=libdvdcss-0.0.3.ogle3
MASTER_SITES=http://www.dtek.chalmers.se/groups/dvd/
CONFIGURE_STYLE= gnu
# Free speech issue
PERMIT_DISTFILES_CDROM=Yes
PERMIT_DISTFILES_FTP=Yes
PERMIT_PACKAGE_CDROM=No
PERMIT_PACKAGE_FTP=No
USE_GMAKE=Yes
.include <bsd.port.mk>

3
converters/libdvdcss/files/md5 Normal file
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MD5 (libdvdcss-0.0.3.ogle3.tar.gz) = 7f1760aa357c6837d1fd39f5d35a40df
RMD160 (libdvdcss-0.0.3.ogle3.tar.gz) = 974b6204bb420e30211698ad821c5231e092e1ce
SHA1 (libdvdcss-0.0.3.ogle3.tar.gz) = 97058e3251167e3cd3bde80f8f060c2ee0e3a7f4

82
converters/libdvdcss/patches/patch-extras_libdvdcss_css_c Normal file
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$OpenBSD: patch-extras_libdvdcss_css_c,v 1.1.1.1 2001/11/02 15:22:08 espie Exp $
--- extras/libdvdcss/css.c.orig Mon Oct 22 14:53:44 2001
+++ extras/libdvdcss/css.c Mon Oct 22 14:59:37 2001
@@ -393,8 +393,11 @@ int CSSGetTitleKey( dvdcss_handle dvdcss
}
memcpy( p_key, p_buffer, KEY_SIZE );
- fprintf( stderr, "libdvdcss debug: title key is" );
- printHex( p_key, KEY_SIZE );
+ if (dvdcss->b_debug)
+ {
+ fprintf( stderr, "libdvdcss debug: title key is" );
+ printHex( p_key, KEY_SIZE );
+ }
_dvdcss_debug( dvdcss, "got title key" );
return 1;
@@ -650,9 +653,9 @@ static int CSSAttackPattern( u8 p_sec[0x
DVD specifies that there must only be one type of data in every sector.
Every sector is one pack and so must obviously be 2048 bytes long.
- For the last pice of video data before a VOBU boundary there might not
- be exactly the right amount of data to fill a sector. They one has to
- pad the pack to 2048 bytes. For just a few bytes this is doen in the
+ For the last piece of video data before a VOBU boundary there might not
+ be exactly the right amount of data to fill a sector. Then one has to
+ pad the pack to 2048 bytes. For just a few bytes this is done in the
header but for any large amount you insert a PES packet from the
Padding stream. This looks like 0x00 00 01 be xx xx ff ff ...
where xx xx is the length of the padding stream.
@@ -665,7 +668,7 @@ static int CSSAttackPadding( u8 p_sec[0x
i_pes_length = (p_sec[0x12]<<8) | p_sec[0x13];
- // Coverd by the test below but usfull for debuging
+ // Covered by the test below but useful for debuging
if( i_pes_length == 0x800 - 0x14 ) return 0;
/* There must be room for at least 4? bytes of padding stream,
@@ -676,13 +679,13 @@ static int CSSAttackPadding( u8 p_sec[0x
p_sec[0x14 + i_pes_length + 1] == 0x00 &&
p_sec[0x14 + i_pes_length + 2] == 0x01 ) )
{
- fprintf( stderr, "plain %d %02x %02x %02x %02x (type %02x sub %02x)\n",
- 0x800 - 0x14 - 4 - 2 - i_pes_length,
- p_sec[0x14 + i_pes_length + 0],
- p_sec[0x14 + i_pes_length + 1],
- p_sec[0x14 + i_pes_length + 2],
- p_sec[0x14 + i_pes_length + 3],
- p_sec[0x11], p_sec[0x17 + p_sec[0x16]]);
+// fprintf( stderr, "plain %d %02x %02x %02x %02x (type %02x sub %02x)\n",
+// 0x800 - 0x14 - 4 - 2 - i_pes_length,
+// p_sec[0x14 + i_pes_length + 0],
+// p_sec[0x14 + i_pes_length + 1],
+// p_sec[0x14 + i_pes_length + 2],
+// p_sec[0x14 + i_pes_length + 3],
+// p_sec[0x11], p_sec[0x17 + p_sec[0x16]]);
return 0;
}
@@ -716,9 +719,9 @@ static int CSSAttackPadding( u8 p_sec[0x
{
//fprintf( stderr, "key is %02x %02x %02x %02x %02x ",
// p_key[0], p_key[1], p_key[2], p_key[3], p_key[4] );
- fprintf( stderr, "at block %5d padding len %4d "
- "type %02x sub %02x\n", i_pos, i_pes_length,
- p_sec[0x11], p_sec[0x17 + p_sec[0x16]]);
+// fprintf( stderr, "at block %5d padding len %4d "
+// "type %02x sub %02x\n", i_pos, i_pes_length,
+// p_sec[0x11], p_sec[0x17 + p_sec[0x16]]);
}
return 0;
@@ -777,7 +780,7 @@ int CSSGetKey( dvdcss_handle dvdcss, int
}
if( p_buf[0x0d] & 0x07 )
- fprintf( stderr, "stuffing in pack header\n" );
+ _dvdcss_debug( dvdcss, "stuffing in pack header" );
/* PES_scrambling_control does not exist in a system_header or
a padding stream or a private_stream2. (and others). */

1
converters/libdvdcss/pkg/DESCR Normal file
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Descramble scrambled dvd

7
converters/libdvdcss/pkg/PLIST Normal file
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@comment $OpenBSD: PLIST,v 1.1.1.1 2001/11/02 15:22:08 espie Exp $
include/videolan/dvdcss.h
lib/libdvdcss.a
lib/libdvdcss.so
lib/libdvdcss.so.0
lib/libdvdcss.so.0.0.3
@dirrm include/videolan