mirror of
https://github.com/kovidgoyal/calibre.git
synced 2025-07-08 02:34:06 -04:00
Converted DES decryption to a Python/C module
This commit is contained in:
Marshall T. Vandegrift
parent
ff0aca5f84
commit
e9ba420cfc
6
setup.py
6
setup.py
@ -53,7 +53,11 @@ if __name__ == '__main__':
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ext_modules = [Extension('calibre.plugins.lzx',
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ext_modules = [Extension('calibre.plugins.lzx',
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sources=['src/calibre/utils/lzx/lzxmodule.c',
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sources=['src/calibre/utils/lzx/lzxmodule.c',
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'src/calibre/utils/lzx/lzxd.c'],
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'src/calibre/utils/lzx/lzxd.c'],
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include_dirs=['src/calibre/utils/lzx'])]
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include_dirs=['src/calibre/utils/lzx']),
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Extension('calibre.plugins.msdes',
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sources=['src/calibre/utils/msdes/msdesmodule.c',
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'src/calibre/utils/msdes/des.c'],
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include_dirs=['src/calibre/utils/msdes'])]
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if iswindows:
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if iswindows:
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ext_modules.append(Extension('calibre.plugins.winutil',
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ext_modules.append(Extension('calibre.plugins.winutil',
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sources=['src/calibre/utils/windows/winutil.c'],
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sources=['src/calibre/utils/windows/winutil.c'],
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@ -61,7 +61,7 @@ if iswindows and getattr(sys, 'frozen', False):
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plugins = {}
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plugins = {}
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for plugin in ['pictureflow', 'lzx'] + \
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for plugin in ['pictureflow', 'lzx', 'msdes'] + \
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(['winutil'] if iswindows else []) + \
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(['winutil'] if iswindows else []) + \
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(['usbobserver'] if isosx else []):
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(['usbobserver'] if isosx else []):
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try:
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try:
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@ -13,9 +13,9 @@ import re
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from calibre.ebooks.lit import LitError
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from calibre.ebooks.lit import LitError
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from calibre.ebooks.lit.maps import OPF_MAP, HTML_MAP
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from calibre.ebooks.lit.maps import OPF_MAP, HTML_MAP
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import calibre.ebooks.lit.mssha1 as mssha1
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import calibre.ebooks.lit.mssha1 as mssha1
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import calibre.ebooks.lit.msdes as msdes
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from calibre import plugins
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from calibre import plugins
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lzx, lxzerror = plugins['lzx']
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lzx, lxzerror = plugins['lzx']
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msdes, msdeserror = plugins['msdes']
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OPF_DECL = """<?xml version="1.0" encoding="UTF-8" ?>
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OPF_DECL = """<?xml version="1.0" encoding="UTF-8" ?>
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<!DOCTYPE package
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<!DOCTYPE package
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@ -618,8 +618,8 @@ class LitReader(object):
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self.drmlevel = 1
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self.drmlevel = 1
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else:
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else:
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return
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return
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des = msdes.new(self._calculate_deskey())
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msdes.deskey(self._calculate_deskey(), msdes.DE1)
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bookkey = des.decrypt(self.get_file('/DRMStorage/DRMSealed'))
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bookkey = msdes.des(self.get_file('/DRMStorage/DRMSealed'))
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if bookkey[0] != '\000':
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if bookkey[0] != '\000':
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raise LitError('Unable to decrypt title key!')
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raise LitError('Unable to decrypt title key!')
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self.bookkey = bookkey[1:9]
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self.bookkey = bookkey[1:9]
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@ -694,7 +694,8 @@ class LitReader(object):
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def _decrypt(self, content):
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def _decrypt(self, content):
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if self.drmlevel == 5:
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if self.drmlevel == 5:
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raise LitError('Cannot extract content from a DRM protected ebook')
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raise LitError('Cannot extract content from a DRM protected ebook')
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return msdes.new(self.bookkey).decrypt(content)
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msdes.deskey(self.bookkey, msdes.DE1)
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return msdes.des(content)
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def _decompress(self, content, control, reset_table):
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def _decompress(self, content, control, reset_table):
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if len(control) < 32 or control[CONTROL_TAG:CONTROL_TAG+4] != "LZXC":
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if len(control) < 32 or control[CONTROL_TAG:CONTROL_TAG+4] != "LZXC":
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156
src/calibre/utils/msdes/d3des.h
Normal file
156
src/calibre/utils/msdes/d3des.h
Normal file
@ -0,0 +1,156 @@
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/* d3des.h -
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*
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* Headers and defines for d3des.c
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* Graven Imagery, 1992.
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*
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* THIS SOFTWARE PLACED IN THE PUBLIC DOMAIN BY THE AUTHOUR
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* 920825 19:42 EDST
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*
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* Copyright (c) 1988,1989,1990,1991,1992 by Richard Outerbridge
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* (GEnie : OUTER; CIS : [71755,204])
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*/
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#undef D2_DES
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#undef D3_DES
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#ifdef D3_DES
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#ifndef D2_DES
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#define D2_DES /* D2_DES is needed for D3_DES */
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#endif
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#endif
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#define EN0 0 /* MODE == encrypt */
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#define DE1 1 /* MODE == decrypt */
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/* Useful on 68000-ish machines, but NOT USED here. */
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typedef union {
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unsigned long blok[2];
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unsigned short word[4];
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unsigned char byte[8];
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} M68K;
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typedef union {
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unsigned long dblok[4];
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unsigned short dword[8];
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unsigned char dbyte[16];
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} M68K2;
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extern void deskey(unsigned char *, short);
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/* hexkey[8] MODE
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* Sets the internal key register according to the hexadecimal
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* key contained in the 8 bytes of hexkey, according to the DES,
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* for encryption or decryption according to MODE.
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*/
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extern void usekey(unsigned long *);
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/* cookedkey[32]
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* Loads the internal key register with the data in cookedkey.
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*/
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extern void cpkey(unsigned long *);
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/* cookedkey[32]
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* Copies the contents of the internal key register into the storage
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* located at &cookedkey[0].
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*/
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extern void des(unsigned char *, unsigned char *);
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/* from[8] to[8]
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* Encrypts/Decrypts (according to the key currently loaded in the
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* internal key register) one block of eight bytes at address 'from'
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* into the block at address 'to'. They can be the same.
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*/
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#ifdef D2_DES
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#define desDkey(a,b) des2key((a),(b))
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extern void des2key(unsigned char *, short);
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/* hexkey[16] MODE
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* Sets the internal key registerS according to the hexadecimal
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* keyS contained in the 16 bytes of hexkey, according to the DES,
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* for DOUBLE encryption or decryption according to MODE.
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* NOTE: this clobbers all three key registers!
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*/
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extern void Ddes(unsigned char *, unsigned char *);
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/* from[8] to[8]
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* Encrypts/Decrypts (according to the keyS currently loaded in the
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* internal key registerS) one block of eight bytes at address 'from'
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* into the block at address 'to'. They can be the same.
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*/
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extern void D2des(unsigned char *, unsigned char *);
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/* from[16] to[16]
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* Encrypts/Decrypts (according to the keyS currently loaded in the
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* internal key registerS) one block of SIXTEEN bytes at address 'from'
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* into the block at address 'to'. They can be the same.
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*/
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extern void makekey(char *, unsigned char *);
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/* *password, single-length key[8]
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* With a double-length default key, this routine hashes a NULL-terminated
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* string into an eight-byte random-looking key, suitable for use with the
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* deskey() routine.
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*/
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#define makeDkey(a,b) make2key((a),(b))
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extern void make2key(char *, unsigned char *);
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/* *password, double-length key[16]
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* With a double-length default key, this routine hashes a NULL-terminated
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* string into a sixteen-byte random-looking key, suitable for use with the
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* des2key() routine.
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*/
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#ifndef D3_DES /* D2_DES only */
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#define useDkey(a) use2key((a))
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#define cpDkey(a) cp2key((a))
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extern void use2key(unsigned long *);
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/* cookedkey[64]
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* Loads the internal key registerS with the data in cookedkey.
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* NOTE: this clobbers all three key registers!
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*/
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extern voi cp2key(unsigned long *);
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/* cookedkey[64]
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* Copies the contents of the internal key registerS into the storage
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* located at &cookedkey[0].
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*/
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#else /* D3_DES too */
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#define useDkey(a) use3key((a))
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#define cpDkey(a) cp3key((a))
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extern void des3key(unsigned char *, short);
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/* hexkey[24] MODE
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* Sets the internal key registerS according to the hexadecimal
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* keyS contained in the 24 bytes of hexkey, according to the DES,
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* for DOUBLE encryption or decryption according to MODE.
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*/
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extern void use3key(unsigned long *);
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/* cookedkey[96]
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* Loads the 3 internal key registerS with the data in cookedkey.
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*/
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extern void cp3key(unsigned long *);
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/* cookedkey[96]
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* Copies the contents of the 3 internal key registerS into the storage
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* located at &cookedkey[0].
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*/
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extern void make3key(char *, unsigned char *);
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/* *password, triple-length key[24]
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* With a triple-length default key, this routine hashes a NULL-terminated
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* string into a twenty-four-byte random-looking key, suitable for use with
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* the des3key() routine.
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*/
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#endif /* D3_DES */
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#endif /* D2_DES */
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/* d3des.h V5.09 rwo 9208.04 15:06 Graven Imagery
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********************************************************************/
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693
src/calibre/utils/msdes/des.c
Normal file
693
src/calibre/utils/msdes/des.c
Normal file
@ -0,0 +1,693 @@
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/* D3DES (V5.09) -
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*
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* A portable, public domain, version of the Data Encryption Standard.
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*
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* Written with Symantec's THINK (Lightspeed) C by Richard Outerbridge.
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* Thanks to: Dan Hoey for his excellent Initial and Inverse permutation
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* code; Jim Gillogly & Phil Karn for the DES key schedule code; Dennis
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* Ferguson, Eric Young and Dana How for comparing notes; and Ray Lau,
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* for humouring me on.
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*
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* THIS SOFTWARE PLACED IN THE PUBLIC DOMAIN BY THE AUTHOUR
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* 920825 19:42 EDST
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*
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* Copyright (c) 1988,1989,1990,1991,1992 by Richard Outerbridge.
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* (GEnie : OUTER; CIS : [71755,204]) Graven Imagery, 1992.
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*/
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#include "d3des.h"
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static void scrunch(unsigned char *, unsigned long *);
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static void unscrun(unsigned long *, unsigned char *);
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static void desfunc(unsigned long *, unsigned long *);
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static void cookey(unsigned long *);
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static unsigned long KnL[32] = { 0L };
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/*
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static unsigned long KnR[32] = { 0L };
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static unsigned long Kn3[32] = { 0L };
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static unsigned char Df_Key[24] = {
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0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef,
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0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10,
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0x89,0xab,0xcd,0xef,0x01,0x23,0x45,0x67 };
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*/
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static unsigned short bytebit[8] = {
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0200, 0100, 040, 020, 010, 04, 02, 01 };
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static unsigned long bigbyte[24] = {
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0x800000L, 0x400000L, 0x200000L, 0x100000L,
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0x80000L, 0x40000L, 0x20000L, 0x10000L,
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0x8000L, 0x4000L, 0x2000L, 0x1000L,
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0x800L, 0x400L, 0x200L, 0x100L,
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0x80L, 0x40L, 0x20L, 0x10L,
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0x8L, 0x4L, 0x2L, 0x1L };
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/* Use the key schedule specified in the Standard (ANSI X3.92-1981). */
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static unsigned char pc1[56] = {
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56, 48, 40, 32, 24, 16, 8, 0, 57, 49, 41, 33, 25, 17,
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9, 1, 58, 50, 42, 34, 26, 18, 10, 2, 59, 51, 43, 35,
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62, 54, 46, 38, 30, 22, 14, 6, 61, 53, 45, 37, 29, 21,
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13, 5, 60, 52, 44, 36, 28, 20, 12, 4, 27, 19, 11, 3 };
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static unsigned char totrot[16] = {
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1,2,4,6,8,10,12,14,15,17,19,21,23,25,27,28 };
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static unsigned char pc2[48] = {
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13, 16, 10, 23, 0, 4, 2, 27, 14, 5, 20, 9,
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22, 18, 11, 3, 25, 7, 15, 6, 26, 19, 12, 1,
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40, 51, 30, 36, 46, 54, 29, 39, 50, 44, 32, 47,
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43, 48, 38, 55, 33, 52, 45, 41, 49, 35, 28, 31 };
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void deskey(key, edf) /* Thanks to James Gillogly & Phil Karn! */
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unsigned char *key;
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short edf;
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{
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int i, j, l, m, n;
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unsigned char pc1m[56], pcr[56];
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unsigned long kn[32];
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for ( j = 0; j < 56; j++ ) {
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l = pc1[j];
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m = l & 07;
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pc1m[j] = (key[l >> 3] & bytebit[m]) ? 1 : 0;
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}
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for( i = 0; i < 16; i++ ) {
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if( edf == DE1 ) m = (15 - i) << 1;
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else m = i << 1;
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n = m + 1;
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kn[m] = kn[n] = 0L;
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for( j = 0; j < 28; j++ ) {
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l = j + totrot[i];
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if( l < 28 ) pcr[j] = pc1m[l];
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else pcr[j] = pc1m[l - 28];
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}
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for( j = 28; j < 56; j++ ) {
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l = j + totrot[i];
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if( l < 56 ) pcr[j] = pc1m[l];
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else pcr[j] = pc1m[l - 28];
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}
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for( j = 0; j < 24; j++ ) {
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if( pcr[pc2[j]] ) kn[m] |= bigbyte[j];
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if( pcr[pc2[j+24]] ) kn[n] |= bigbyte[j];
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}
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}
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cookey(kn);
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return;
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}
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static void cookey(raw1)
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unsigned long *raw1;
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{
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unsigned long *cook, *raw0;
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unsigned long dough[32];
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int i;
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cook = dough;
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for( i = 0; i < 16; i++, raw1++ ) {
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raw0 = raw1++;
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*cook = (*raw0 & 0x00fc0000L) << 6;
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*cook |= (*raw0 & 0x00000fc0L) << 10;
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*cook |= (*raw1 & 0x00fc0000L) >> 10;
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*cook++ |= (*raw1 & 0x00000fc0L) >> 6;
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*cook = (*raw0 & 0x0003f000L) << 12;
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*cook |= (*raw0 & 0x0000003fL) << 16;
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*cook |= (*raw1 & 0x0003f000L) >> 4;
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*cook++ |= (*raw1 & 0x0000003fL);
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}
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usekey(dough);
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return;
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}
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void cpkey(into)
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unsigned long *into;
|
||||||
|
{
|
||||||
|
unsigned long *from, *endp;
|
||||||
|
|
||||||
|
from = KnL, endp = &KnL[32];
|
||||||
|
while( from < endp ) *into++ = *from++;
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
void usekey(from)
|
||||||
|
unsigned long *from;
|
||||||
|
{
|
||||||
|
unsigned long *to, *endp;
|
||||||
|
|
||||||
|
to = KnL, endp = &KnL[32];
|
||||||
|
while( to < endp ) *to++ = *from++;
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
void des(inblock, outblock)
|
||||||
|
unsigned char *inblock, *outblock;
|
||||||
|
{
|
||||||
|
unsigned long work[2];
|
||||||
|
|
||||||
|
scrunch(inblock, work);
|
||||||
|
desfunc(work, KnL);
|
||||||
|
unscrun(work, outblock);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static void scrunch(outof, into)
|
||||||
|
unsigned char *outof;
|
||||||
|
unsigned long *into;
|
||||||
|
{
|
||||||
|
*into = (*outof++ & 0xffL) << 24;
|
||||||
|
*into |= (*outof++ & 0xffL) << 16;
|
||||||
|
*into |= (*outof++ & 0xffL) << 8;
|
||||||
|
*into++ |= (*outof++ & 0xffL);
|
||||||
|
*into = (*outof++ & 0xffL) << 24;
|
||||||
|
*into |= (*outof++ & 0xffL) << 16;
|
||||||
|
*into |= (*outof++ & 0xffL) << 8;
|
||||||
|
*into |= (*outof & 0xffL);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static void unscrun(outof, into)
|
||||||
|
unsigned long *outof;
|
||||||
|
unsigned char *into;
|
||||||
|
{
|
||||||
|
*into++ = (*outof >> 24) & 0xffL;
|
||||||
|
*into++ = (*outof >> 16) & 0xffL;
|
||||||
|
*into++ = (*outof >> 8) & 0xffL;
|
||||||
|
*into++ = *outof++ & 0xffL;
|
||||||
|
*into++ = (*outof >> 24) & 0xffL;
|
||||||
|
*into++ = (*outof >> 16) & 0xffL;
|
||||||
|
*into++ = (*outof >> 8) & 0xffL;
|
||||||
|
*into = *outof & 0xffL;
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
#include "spr.h"
|
||||||
|
/*
|
||||||
|
static unsigned long SP1[64] = {
|
||||||
|
0x01010400L, 0x00000000L, 0x00010000L, 0x01010404L,
|
||||||
|
0x01010004L, 0x00010404L, 0x00000004L, 0x00010000L,
|
||||||
|
0x00000400L, 0x01010400L, 0x01010404L, 0x00000400L,
|
||||||
|
0x01000404L, 0x01010004L, 0x01000000L, 0x00000004L,
|
||||||
|
0x00000404L, 0x01000400L, 0x01000400L, 0x00010400L,
|
||||||
|
0x00010400L, 0x01010000L, 0x01010000L, 0x01000404L,
|
||||||
|
0x00010004L, 0x01000004L, 0x01000004L, 0x00010004L,
|
||||||
|
0x00000000L, 0x00000404L, 0x00010404L, 0x01000000L,
|
||||||
|
0x00010000L, 0x01010404L, 0x00000004L, 0x01010000L,
|
||||||
|
0x01010400L, 0x01000000L, 0x01000000L, 0x00000400L,
|
||||||
|
0x01010004L, 0x00010000L, 0x00010400L, 0x01000004L,
|
||||||
|
0x00000400L, 0x00000004L, 0x01000404L, 0x00010404L,
|
||||||
|
0x01010404L, 0x00010004L, 0x01010000L, 0x01000404L,
|
||||||
|
0x01000004L, 0x00000404L, 0x00010404L, 0x01010400L,
|
||||||
|
0x00000404L, 0x01000400L, 0x01000400L, 0x00000000L,
|
||||||
|
0x00010004L, 0x00010400L, 0x00000000L, 0x01010004L };
|
||||||
|
|
||||||
|
static unsigned long SP2[64] = {
|
||||||
|
0x80108020L, 0x80008000L, 0x00008000L, 0x00108020L,
|
||||||
|
0x00100000L, 0x00000020L, 0x80100020L, 0x80008020L,
|
||||||
|
0x80000020L, 0x80108020L, 0x80108000L, 0x80000000L,
|
||||||
|
0x80008000L, 0x00100000L, 0x00000020L, 0x80100020L,
|
||||||
|
0x00108000L, 0x00100020L, 0x80008020L, 0x00000000L,
|
||||||
|
0x80000000L, 0x00008000L, 0x00108020L, 0x80100000L,
|
||||||
|
0x00100020L, 0x80000020L, 0x00000000L, 0x00108000L,
|
||||||
|
0x00008020L, 0x80108000L, 0x80100000L, 0x00008020L,
|
||||||
|
0x00000000L, 0x00108020L, 0x80100020L, 0x00100000L,
|
||||||
|
0x80008020L, 0x80100000L, 0x80108000L, 0x00008000L,
|
||||||
|
0x80100000L, 0x80008000L, 0x00000020L, 0x80108020L,
|
||||||
|
0x00108020L, 0x00000020L, 0x00008000L, 0x80000000L,
|
||||||
|
0x00008020L, 0x80108000L, 0x00100000L, 0x80000020L,
|
||||||
|
0x00100020L, 0x80008020L, 0x80000020L, 0x00100020L,
|
||||||
|
0x00108000L, 0x00000000L, 0x80008000L, 0x00008020L,
|
||||||
|
0x80000000L, 0x80100020L, 0x80108020L, 0x00108000L };
|
||||||
|
|
||||||
|
static unsigned long SP3[64] = {
|
||||||
|
0x00000208L, 0x08020200L, 0x00000000L, 0x08020008L,
|
||||||
|
0x08000200L, 0x00000000L, 0x00020208L, 0x08000200L,
|
||||||
|
0x00020008L, 0x08000008L, 0x08000008L, 0x00020000L,
|
||||||
|
0x08020208L, 0x00020008L, 0x08020000L, 0x00000208L,
|
||||||
|
0x08000000L, 0x00000008L, 0x08020200L, 0x00000200L,
|
||||||
|
0x00020200L, 0x08020000L, 0x08020008L, 0x00020208L,
|
||||||
|
0x08000208L, 0x00020200L, 0x00020000L, 0x08000208L,
|
||||||
|
0x00000008L, 0x08020208L, 0x00000200L, 0x08000000L,
|
||||||
|
0x08020200L, 0x08000000L, 0x00020008L, 0x00000208L,
|
||||||
|
0x00020000L, 0x08020200L, 0x08000200L, 0x00000000L,
|
||||||
|
0x00000200L, 0x00020008L, 0x08020208L, 0x08000200L,
|
||||||
|
0x08000008L, 0x00000200L, 0x00000000L, 0x08020008L,
|
||||||
|
0x08000208L, 0x00020000L, 0x08000000L, 0x08020208L,
|
||||||
|
0x00000008L, 0x00020208L, 0x00020200L, 0x08000008L,
|
||||||
|
0x08020000L, 0x08000208L, 0x00000208L, 0x08020000L,
|
||||||
|
0x00020208L, 0x00000008L, 0x08020008L, 0x00020200L };
|
||||||
|
|
||||||
|
static unsigned long SP4[64] = {
|
||||||
|
0x00802001L, 0x00002081L, 0x00002081L, 0x00000080L,
|
||||||
|
0x00802080L, 0x00800081L, 0x00800001L, 0x00002001L,
|
||||||
|
0x00000000L, 0x00802000L, 0x00802000L, 0x00802081L,
|
||||||
|
0x00000081L, 0x00000000L, 0x00800080L, 0x00800001L,
|
||||||
|
0x00000001L, 0x00002000L, 0x00800000L, 0x00802001L,
|
||||||
|
0x00000080L, 0x00800000L, 0x00002001L, 0x00002080L,
|
||||||
|
0x00800081L, 0x00000001L, 0x00002080L, 0x00800080L,
|
||||||
|
0x00002000L, 0x00802080L, 0x00802081L, 0x00000081L,
|
||||||
|
0x00800080L, 0x00800001L, 0x00802000L, 0x00802081L,
|
||||||
|
0x00000081L, 0x00000000L, 0x00000000L, 0x00802000L,
|
||||||
|
0x00002080L, 0x00800080L, 0x00800081L, 0x00000001L,
|
||||||
|
0x00802001L, 0x00002081L, 0x00002081L, 0x00000080L,
|
||||||
|
0x00802081L, 0x00000081L, 0x00000001L, 0x00002000L,
|
||||||
|
0x00800001L, 0x00002001L, 0x00802080L, 0x00800081L,
|
||||||
|
0x00002001L, 0x00002080L, 0x00800000L, 0x00802001L,
|
||||||
|
0x00000080L, 0x00800000L, 0x00002000L, 0x00802080L };
|
||||||
|
|
||||||
|
static unsigned long SP5[64] = {
|
||||||
|
0x00000100L, 0x02080100L, 0x02080000L, 0x42000100L,
|
||||||
|
0x00080000L, 0x00000100L, 0x40000000L, 0x02080000L,
|
||||||
|
0x40080100L, 0x00080000L, 0x02000100L, 0x40080100L,
|
||||||
|
0x42000100L, 0x42080000L, 0x00080100L, 0x40000000L,
|
||||||
|
0x02000000L, 0x40080000L, 0x40080000L, 0x00000000L,
|
||||||
|
0x40000100L, 0x42080100L, 0x42080100L, 0x02000100L,
|
||||||
|
0x42080000L, 0x40000100L, 0x00000000L, 0x42000000L,
|
||||||
|
0x02080100L, 0x02000000L, 0x42000000L, 0x00080100L,
|
||||||
|
0x00080000L, 0x42000100L, 0x00000100L, 0x02000000L,
|
||||||
|
0x40000000L, 0x02080000L, 0x42000100L, 0x40080100L,
|
||||||
|
0x02000100L, 0x40000000L, 0x42080000L, 0x02080100L,
|
||||||
|
0x40080100L, 0x00000100L, 0x02000000L, 0x42080000L,
|
||||||
|
0x42080100L, 0x00080100L, 0x42000000L, 0x42080100L,
|
||||||
|
0x02080000L, 0x00000000L, 0x40080000L, 0x42000000L,
|
||||||
|
0x00080100L, 0x02000100L, 0x40000100L, 0x00080000L,
|
||||||
|
0x00000000L, 0x40080000L, 0x02080100L, 0x40000100L };
|
||||||
|
|
||||||
|
static unsigned long SP6[64] = {
|
||||||
|
0x20000010L, 0x20400000L, 0x00004000L, 0x20404010L,
|
||||||
|
0x20400000L, 0x00000010L, 0x20404010L, 0x00400000L,
|
||||||
|
0x20004000L, 0x00404010L, 0x00400000L, 0x20000010L,
|
||||||
|
0x00400010L, 0x20004000L, 0x20000000L, 0x00004010L,
|
||||||
|
0x00000000L, 0x00400010L, 0x20004010L, 0x00004000L,
|
||||||
|
0x00404000L, 0x20004010L, 0x00000010L, 0x20400010L,
|
||||||
|
0x20400010L, 0x00000000L, 0x00404010L, 0x20404000L,
|
||||||
|
0x00004010L, 0x00404000L, 0x20404000L, 0x20000000L,
|
||||||
|
0x20004000L, 0x00000010L, 0x20400010L, 0x00404000L,
|
||||||
|
0x20404010L, 0x00400000L, 0x00004010L, 0x20000010L,
|
||||||
|
0x00400000L, 0x20004000L, 0x20000000L, 0x00004010L,
|
||||||
|
0x20000010L, 0x20404010L, 0x00404000L, 0x20400000L,
|
||||||
|
0x00404010L, 0x20404000L, 0x00000000L, 0x20400010L,
|
||||||
|
0x00000010L, 0x00004000L, 0x20400000L, 0x00404010L,
|
||||||
|
0x00004000L, 0x00400010L, 0x20004010L, 0x00000000L,
|
||||||
|
0x20404000L, 0x20000000L, 0x00400010L, 0x20004010L };
|
||||||
|
|
||||||
|
static unsigned long SP7[64] = {
|
||||||
|
0x00200000L, 0x04200002L, 0x04000802L, 0x00000000L,
|
||||||
|
0x00000800L, 0x04000802L, 0x00200802L, 0x04200800L,
|
||||||
|
0x04200802L, 0x00200000L, 0x00000000L, 0x04000002L,
|
||||||
|
0x00000002L, 0x04000000L, 0x04200002L, 0x00000802L,
|
||||||
|
0x04000800L, 0x00200802L, 0x00200002L, 0x04000800L,
|
||||||
|
0x04000002L, 0x04200000L, 0x04200800L, 0x00200002L,
|
||||||
|
0x04200000L, 0x00000800L, 0x00000802L, 0x04200802L,
|
||||||
|
0x00200800L, 0x00000002L, 0x04000000L, 0x00200800L,
|
||||||
|
0x04000000L, 0x00200800L, 0x00200000L, 0x04000802L,
|
||||||
|
0x04000802L, 0x04200002L, 0x04200002L, 0x00000002L,
|
||||||
|
0x00200002L, 0x04000000L, 0x04000800L, 0x00200000L,
|
||||||
|
0x04200800L, 0x00000802L, 0x00200802L, 0x04200800L,
|
||||||
|
0x00000802L, 0x04000002L, 0x04200802L, 0x04200000L,
|
||||||
|
0x00200800L, 0x00000000L, 0x00000002L, 0x04200802L,
|
||||||
|
0x00000000L, 0x00200802L, 0x04200000L, 0x00000800L,
|
||||||
|
0x04000002L, 0x04000800L, 0x00000800L, 0x00200002L };
|
||||||
|
|
||||||
|
static unsigned long SP8[64] = {
|
||||||
|
0x10001040L, 0x00001000L, 0x00040000L, 0x10041040L,
|
||||||
|
0x10000000L, 0x10001040L, 0x00000040L, 0x10000000L,
|
||||||
|
0x00040040L, 0x10040000L, 0x10041040L, 0x00041000L,
|
||||||
|
0x10041000L, 0x00041040L, 0x00001000L, 0x00000040L,
|
||||||
|
0x10040000L, 0x10000040L, 0x10001000L, 0x00001040L,
|
||||||
|
0x00041000L, 0x00040040L, 0x10040040L, 0x10041000L,
|
||||||
|
0x00001040L, 0x00000000L, 0x00000000L, 0x10040040L,
|
||||||
|
0x10000040L, 0x10001000L, 0x00041040L, 0x00040000L,
|
||||||
|
0x00041040L, 0x00040000L, 0x10041000L, 0x00001000L,
|
||||||
|
0x00000040L, 0x10040040L, 0x00001000L, 0x00041040L,
|
||||||
|
0x10001000L, 0x00000040L, 0x10000040L, 0x10040000L,
|
||||||
|
0x10040040L, 0x10000000L, 0x00040000L, 0x10001040L,
|
||||||
|
0x00000000L, 0x10041040L, 0x00040040L, 0x10000040L,
|
||||||
|
0x10040000L, 0x10001000L, 0x10001040L, 0x00000000L,
|
||||||
|
0x10041040L, 0x00041000L, 0x00041000L, 0x00001040L,
|
||||||
|
0x00001040L, 0x00040040L, 0x10000000L, 0x10041000L };
|
||||||
|
*/
|
||||||
|
|
||||||
|
|
||||||
|
static void desfunc(block, keys)
|
||||||
|
unsigned long *block, *keys;
|
||||||
|
{
|
||||||
|
unsigned long fval, work, right, leftt;
|
||||||
|
int round;
|
||||||
|
|
||||||
|
leftt = block[0];
|
||||||
|
right = block[1];
|
||||||
|
work = ((leftt >> 4) ^ right) & 0x0f0f0f0fL;
|
||||||
|
right ^= work;
|
||||||
|
leftt ^= (work << 4);
|
||||||
|
work = ((leftt >> 16) ^ right) & 0x0000ffffL;
|
||||||
|
right ^= work;
|
||||||
|
leftt ^= (work << 16);
|
||||||
|
work = ((right >> 2) ^ leftt) & 0x33333333L;
|
||||||
|
leftt ^= work;
|
||||||
|
right ^= (work << 2);
|
||||||
|
work = ((right >> 8) ^ leftt) & 0x00ff00ffL;
|
||||||
|
leftt ^= work;
|
||||||
|
right ^= (work << 8);
|
||||||
|
right = ((right << 1) | ((right >> 31) & 1L)) & 0xffffffffL;
|
||||||
|
work = (leftt ^ right) & 0xaaaaaaaaL;
|
||||||
|
leftt ^= work;
|
||||||
|
right ^= work;
|
||||||
|
leftt = ((leftt << 1) | ((leftt >> 31) & 1L)) & 0xffffffffL;
|
||||||
|
|
||||||
|
for( round = 0; round < 8; round++ ) {
|
||||||
|
work = (right << 28) | (right >> 4);
|
||||||
|
work ^= *keys++;
|
||||||
|
fval = SP7[ work & 0x3fL];
|
||||||
|
fval |= SP5[(work >> 8) & 0x3fL];
|
||||||
|
fval |= SP3[(work >> 16) & 0x3fL];
|
||||||
|
fval |= SP1[(work >> 24) & 0x3fL];
|
||||||
|
work = right ^ *keys++;
|
||||||
|
fval |= SP8[ work & 0x3fL];
|
||||||
|
fval |= SP6[(work >> 8) & 0x3fL];
|
||||||
|
fval |= SP4[(work >> 16) & 0x3fL];
|
||||||
|
fval |= SP2[(work >> 24) & 0x3fL];
|
||||||
|
leftt ^= fval;
|
||||||
|
work = (leftt << 28) | (leftt >> 4);
|
||||||
|
work ^= *keys++;
|
||||||
|
fval = SP7[ work & 0x3fL];
|
||||||
|
fval |= SP5[(work >> 8) & 0x3fL];
|
||||||
|
fval |= SP3[(work >> 16) & 0x3fL];
|
||||||
|
fval |= SP1[(work >> 24) & 0x3fL];
|
||||||
|
work = leftt ^ *keys++;
|
||||||
|
fval |= SP8[ work & 0x3fL];
|
||||||
|
fval |= SP6[(work >> 8) & 0x3fL];
|
||||||
|
fval |= SP4[(work >> 16) & 0x3fL];
|
||||||
|
fval |= SP2[(work >> 24) & 0x3fL];
|
||||||
|
right ^= fval;
|
||||||
|
}
|
||||||
|
|
||||||
|
right = (right << 31) | (right >> 1);
|
||||||
|
work = (leftt ^ right) & 0xaaaaaaaaL;
|
||||||
|
leftt ^= work;
|
||||||
|
right ^= work;
|
||||||
|
leftt = (leftt << 31) | (leftt >> 1);
|
||||||
|
work = ((leftt >> 8) ^ right) & 0x00ff00ffL;
|
||||||
|
right ^= work;
|
||||||
|
leftt ^= (work << 8);
|
||||||
|
work = ((leftt >> 2) ^ right) & 0x33333333L;
|
||||||
|
right ^= work;
|
||||||
|
leftt ^= (work << 2);
|
||||||
|
work = ((right >> 16) ^ leftt) & 0x0000ffffL;
|
||||||
|
leftt ^= work;
|
||||||
|
right ^= (work << 16);
|
||||||
|
work = ((right >> 4) ^ leftt) & 0x0f0f0f0fL;
|
||||||
|
leftt ^= work;
|
||||||
|
right ^= (work << 4);
|
||||||
|
*block++ = right;
|
||||||
|
*block = leftt;
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
#ifdef D2_DES
|
||||||
|
|
||||||
|
void des2key(hexkey, mode) /* stomps on Kn3 too */
|
||||||
|
unsigned char *hexkey; /* unsigned char[16] */
|
||||||
|
short mode;
|
||||||
|
{
|
||||||
|
short revmod;
|
||||||
|
|
||||||
|
revmod = (mode == EN0) ? DE1 : EN0;
|
||||||
|
deskey(&hexkey[8], revmod);
|
||||||
|
cpkey(KnR);
|
||||||
|
deskey(hexkey, mode);
|
||||||
|
cpkey(Kn3); /* Kn3 = KnL */
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
void Ddes(from, into)
|
||||||
|
unsigned char *from, *into; /* unsigned char[8] */
|
||||||
|
{
|
||||||
|
unsigned long work[2];
|
||||||
|
|
||||||
|
scrunch(from, work);
|
||||||
|
desfunc(work, KnL);
|
||||||
|
desfunc(work, KnR);
|
||||||
|
desfunc(work, Kn3);
|
||||||
|
unscrun(work, into);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
void D2des(from, into)
|
||||||
|
unsigned char *from; /* unsigned char[16] */
|
||||||
|
unsigned char *into; /* unsigned char[16] */
|
||||||
|
{
|
||||||
|
unsigned long *right, *l1, swap;
|
||||||
|
unsigned long leftt[2], bufR[2];
|
||||||
|
|
||||||
|
right = bufR;
|
||||||
|
l1 = &leftt[1];
|
||||||
|
scrunch(from, leftt);
|
||||||
|
scrunch(&from[8], right);
|
||||||
|
desfunc(leftt, KnL);
|
||||||
|
desfunc(right, KnL);
|
||||||
|
swap = *l1;
|
||||||
|
*l1 = *right;
|
||||||
|
*right = swap;
|
||||||
|
desfunc(leftt, KnR);
|
||||||
|
desfunc(right, KnR);
|
||||||
|
swap = *l1;
|
||||||
|
*l1 = *right;
|
||||||
|
*right = swap;
|
||||||
|
desfunc(leftt, Kn3);
|
||||||
|
desfunc(right, Kn3);
|
||||||
|
unscrun(leftt, into);
|
||||||
|
unscrun(right, &into[8]);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
void makekey(aptr, kptr)
|
||||||
|
char *aptr; /* NULL-terminated */
|
||||||
|
unsigned char *kptr; /* unsigned char[8] */
|
||||||
|
{
|
||||||
|
unsigned char *store;
|
||||||
|
int first, i;
|
||||||
|
unsigned long savek[96];
|
||||||
|
|
||||||
|
cpDkey(savek);
|
||||||
|
des2key(Df_Key, EN0);
|
||||||
|
for( i = 0; i < 8; i++ ) kptr[i] = Df_Key[i];
|
||||||
|
first = 1;
|
||||||
|
while( (*aptr != '\0') || first ) {
|
||||||
|
store = kptr;
|
||||||
|
for( i = 0; i < 8 && (*aptr != '\0'); i++ ) {
|
||||||
|
*store++ ^= *aptr & 0x7f;
|
||||||
|
*aptr++ = '\0';
|
||||||
|
}
|
||||||
|
Ddes(kptr, kptr);
|
||||||
|
first = 0;
|
||||||
|
}
|
||||||
|
useDkey(savek);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
void make2key(aptr, kptr)
|
||||||
|
char *aptr; /* NULL-terminated */
|
||||||
|
unsigned char *kptr; /* unsigned char[16] */
|
||||||
|
{
|
||||||
|
unsigned char *store;
|
||||||
|
int first, i;
|
||||||
|
unsigned long savek[96];
|
||||||
|
|
||||||
|
cpDkey(savek);
|
||||||
|
des2key(Df_Key, EN0);
|
||||||
|
for( i = 0; i < 16; i++ ) kptr[i] = Df_Key[i];
|
||||||
|
first = 1;
|
||||||
|
while( (*aptr != '\0') || first ) {
|
||||||
|
store = kptr;
|
||||||
|
for( i = 0; i < 16 && (*aptr != '\0'); i++ ) {
|
||||||
|
*store++ ^= *aptr & 0x7f;
|
||||||
|
*aptr++ = '\0';
|
||||||
|
}
|
||||||
|
D2des(kptr, kptr);
|
||||||
|
first = 0;
|
||||||
|
}
|
||||||
|
useDkey(savek);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
#ifndef D3_DES /* D2_DES only */
|
||||||
|
|
||||||
|
void cp2key(into)
|
||||||
|
unsigned long *into; /* unsigned long[64] */
|
||||||
|
{
|
||||||
|
unsigned long *from, *endp;
|
||||||
|
|
||||||
|
cpkey(into);
|
||||||
|
into = &into[32];
|
||||||
|
from = KnR, endp = &KnR[32];
|
||||||
|
while( from < endp ) *into++ = *from++;
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
void use2key(from) /* stomps on Kn3 too */
|
||||||
|
unsigned long *from; /* unsigned long[64] */
|
||||||
|
{
|
||||||
|
unsigned long *to, *endp;
|
||||||
|
|
||||||
|
usekey(from);
|
||||||
|
from = &from[32];
|
||||||
|
to = KnR, endp = &KnR[32];
|
||||||
|
while( to < endp ) *to++ = *from++;
|
||||||
|
cpkey(Kn3); /* Kn3 = KnL */
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
#else /* D3_DES too */
|
||||||
|
|
||||||
|
void des3key(hexkey, mode)
|
||||||
|
unsigned char *hexkey; /* unsigned char[24] */
|
||||||
|
short mode;
|
||||||
|
{
|
||||||
|
unsigned char *first, *third;
|
||||||
|
short revmod;
|
||||||
|
|
||||||
|
if( mode == EN0 ) {
|
||||||
|
revmod = DE1;
|
||||||
|
first = hexkey;
|
||||||
|
third = &hexkey[16];
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
revmod = EN0;
|
||||||
|
first = &hexkey[16];
|
||||||
|
third = hexkey;
|
||||||
|
}
|
||||||
|
deskey(&hexkey[8], revmod);
|
||||||
|
cpkey(KnR);
|
||||||
|
deskey(third, mode);
|
||||||
|
cpkey(Kn3);
|
||||||
|
deskey(first, mode);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
void cp3key(into)
|
||||||
|
unsigned long *into; /* unsigned long[96] */
|
||||||
|
{
|
||||||
|
unsigned long *from, *endp;
|
||||||
|
|
||||||
|
cpkey(into);
|
||||||
|
into = &into[32];
|
||||||
|
from = KnR, endp = &KnR[32];
|
||||||
|
while( from < endp ) *into++ = *from++;
|
||||||
|
from = Kn3, endp = &Kn3[32];
|
||||||
|
while( from < endp ) *into++ = *from++;
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
void use3key(from)
|
||||||
|
unsigned long *from; /* unsigned long[96] */
|
||||||
|
{
|
||||||
|
unsigned long *to, *endp;
|
||||||
|
|
||||||
|
usekey(from);
|
||||||
|
from = &from[32];
|
||||||
|
to = KnR, endp = &KnR[32];
|
||||||
|
while( to < endp ) *to++ = *from++;
|
||||||
|
to = Kn3, endp = &Kn3[32];
|
||||||
|
while( to < endp ) *to++ = *from++;
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void D3des(unsigned char *, unsigned char *);
|
||||||
|
|
||||||
|
static void D3des(from, into) /* amateur theatrics */
|
||||||
|
unsigned char *from; /* unsigned char[24] */
|
||||||
|
unsigned char *into; /* unsigned char[24] */
|
||||||
|
{
|
||||||
|
unsigned long swap, leftt[2], middl[2], right[2];
|
||||||
|
|
||||||
|
scrunch(from, leftt);
|
||||||
|
scrunch(&from[8], middl);
|
||||||
|
scrunch(&from[16], right);
|
||||||
|
desfunc(leftt, KnL);
|
||||||
|
desfunc(middl, KnL);
|
||||||
|
desfunc(right, KnL);
|
||||||
|
swap = leftt[1];
|
||||||
|
leftt[1] = middl[0];
|
||||||
|
middl[0] = swap;
|
||||||
|
swap = middl[1];
|
||||||
|
middl[1] = right[0];
|
||||||
|
right[0] = swap;
|
||||||
|
desfunc(leftt, KnR);
|
||||||
|
desfunc(middl, KnR);
|
||||||
|
desfunc(right, KnR);
|
||||||
|
swap = leftt[1];
|
||||||
|
leftt[1] = middl[0];
|
||||||
|
middl[0] = swap;
|
||||||
|
swap = middl[1];
|
||||||
|
middl[1] = right[0];
|
||||||
|
right[0] = swap;
|
||||||
|
desfunc(leftt, Kn3);
|
||||||
|
desfunc(middl, Kn3);
|
||||||
|
desfunc(right, Kn3);
|
||||||
|
unscrun(leftt, into);
|
||||||
|
unscrun(middl, &into[8]);
|
||||||
|
unscrun(right, &into[16]);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
void make3key(aptr, kptr)
|
||||||
|
char *aptr; /* NULL-terminated */
|
||||||
|
unsigned char *kptr; /* unsigned char[24] */
|
||||||
|
{
|
||||||
|
unsigned char *store;
|
||||||
|
int first, i;
|
||||||
|
unsigned long savek[96];
|
||||||
|
|
||||||
|
cp3key(savek);
|
||||||
|
des3key(Df_Key, EN0);
|
||||||
|
for( i = 0; i < 24; i++ ) kptr[i] = Df_Key[i];
|
||||||
|
first = 1;
|
||||||
|
while( (*aptr != '\0') || first ) {
|
||||||
|
store = kptr;
|
||||||
|
for( i = 0; i < 24 && (*aptr != '\0'); i++ ) {
|
||||||
|
*store++ ^= *aptr & 0x7f;
|
||||||
|
*aptr++ = '\0';
|
||||||
|
}
|
||||||
|
D3des(kptr, kptr);
|
||||||
|
first = 0;
|
||||||
|
}
|
||||||
|
use3key(savek);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
#endif /* D3_DES */
|
||||||
|
#endif /* D2_DES */
|
||||||
|
|
||||||
|
/* Validation sets:
|
||||||
|
*
|
||||||
|
* Single-length key, single-length plaintext -
|
||||||
|
* Key : 0123 4567 89ab cdef
|
||||||
|
* Plain : 0123 4567 89ab cde7
|
||||||
|
* Cipher : c957 4425 6a5e d31d
|
||||||
|
*
|
||||||
|
* Double-length key, single-length plaintext -
|
||||||
|
* Key : 0123 4567 89ab cdef fedc ba98 7654 3210
|
||||||
|
* Plain : 0123 4567 89ab cde7
|
||||||
|
* Cipher : 7f1d 0a77 826b 8aff
|
||||||
|
*
|
||||||
|
* Double-length key, double-length plaintext -
|
||||||
|
* Key : 0123 4567 89ab cdef fedc ba98 7654 3210
|
||||||
|
* Plain : 0123 4567 89ab cdef 0123 4567 89ab cdff
|
||||||
|
* Cipher : 27a0 8440 406a df60 278f 47cf 42d6 15d7
|
||||||
|
*
|
||||||
|
* Triple-length key, single-length plaintext -
|
||||||
|
* Key : 0123 4567 89ab cdef fedc ba98 7654 3210 89ab cdef 0123 4567
|
||||||
|
* Plain : 0123 4567 89ab cde7
|
||||||
|
* Cipher : de0b 7c06 ae5e 0ed5
|
||||||
|
*
|
||||||
|
* Triple-length key, double-length plaintext -
|
||||||
|
* Key : 0123 4567 89ab cdef fedc ba98 7654 3210 89ab cdef 0123 4567
|
||||||
|
* Plain : 0123 4567 89ab cdef 0123 4567 89ab cdff
|
||||||
|
* Cipher : ad0d 1b30 ac17 cf07 0ed1 1c63 81e4 4de5
|
||||||
|
*
|
||||||
|
* d3des V5.09 rwo 9208.04 20:31 Graven Imagery
|
||||||
|
**********************************************************************/
|
||||||
|
|
||||||
98
src/calibre/utils/msdes/msdesmodule.c
Normal file
98
src/calibre/utils/msdes/msdesmodule.c
Normal file
@ -0,0 +1,98 @@
|
|||||||
|
/* __license__ = 'GPL v3'
|
||||||
|
* __copyright__ = '2008, Marshall T. Vandegrift <llasram@gmail.com>'
|
||||||
|
*
|
||||||
|
* Python module C glue code.
|
||||||
|
*/
|
||||||
|
|
||||||
|
|
||||||
|
#include <Python.h>
|
||||||
|
|
||||||
|
#include <d3des.h>
|
||||||
|
|
||||||
|
static char msdes_doc[] =
|
||||||
|
"Provide LIT-specific DES en/decryption.";
|
||||||
|
|
||||||
|
static PyObject *MsDesError = NULL;
|
||||||
|
|
||||||
|
static PyObject *
|
||||||
|
msdes_deskey(PyObject *self, PyObject *args)
|
||||||
|
{
|
||||||
|
unsigned char *key = NULL;
|
||||||
|
unsigned int len = 0;
|
||||||
|
short int edf = 0;
|
||||||
|
|
||||||
|
if (!PyArg_ParseTuple(args, "s#h", &key, &len, &edf)) {
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (len != 8) {
|
||||||
|
PyErr_SetString(MsDesError, "Key length incorrect");
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
if ((edf != EN0) && (edf != DE1)) {
|
||||||
|
PyErr_SetString(MsDesError, "En/decryption direction invalid");
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
deskey(key, edf);
|
||||||
|
|
||||||
|
Py_RETURN_NONE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static PyObject *
|
||||||
|
msdes_des(PyObject *self, PyObject *args)
|
||||||
|
{
|
||||||
|
unsigned char *inbuf = NULL;
|
||||||
|
unsigned char *outbuf = NULL;
|
||||||
|
unsigned int len = 0;
|
||||||
|
unsigned int off = 0;
|
||||||
|
PyObject *retval = NULL;
|
||||||
|
|
||||||
|
if (!PyArg_ParseTuple(args, "s#", &inbuf, &len)) {
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
if ((len == 0) || ((len % 8) != 0)) {
|
||||||
|
PyErr_SetString(MsDesError,
|
||||||
|
"Input length not a multiple of the block size");
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
retval = PyString_FromStringAndSize(NULL, len);
|
||||||
|
if (retval == NULL) {
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
outbuf = (unsigned char *)PyString_AS_STRING(retval);
|
||||||
|
|
||||||
|
for (off = 0; off < len; off += 8) {
|
||||||
|
des((inbuf + off), (outbuf + off));
|
||||||
|
}
|
||||||
|
|
||||||
|
return retval;
|
||||||
|
}
|
||||||
|
|
||||||
|
static PyMethodDef msdes_methods[] = {
|
||||||
|
{ "deskey", &msdes_deskey, METH_VARARGS, "Provide a new key for DES en/decryption." },
|
||||||
|
{ "des", &msdes_des, METH_VARARGS, "Perform DES en/decryption." },
|
||||||
|
{ NULL, NULL }
|
||||||
|
};
|
||||||
|
|
||||||
|
PyMODINIT_FUNC
|
||||||
|
initmsdes(void)
|
||||||
|
{
|
||||||
|
PyObject *m;
|
||||||
|
|
||||||
|
m = Py_InitModule3("msdes", msdes_methods, msdes_doc);
|
||||||
|
if (m == NULL) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
MsDesError = PyErr_NewException("msdes.MsDesError", NULL, NULL);
|
||||||
|
Py_INCREF(MsDesError);
|
||||||
|
PyModule_AddObject(m, "MsDesError", MsDesError);
|
||||||
|
PyModule_AddObject(m, "EN0", PyInt_FromLong(EN0));
|
||||||
|
PyModule_AddObject(m, "DE1", PyInt_FromLong(DE1));
|
||||||
|
|
||||||
|
return;
|
||||||
|
}
|
||||||
202
src/calibre/utils/msdes/spr.h
Normal file
202
src/calibre/utils/msdes/spr.h
Normal file
@ -0,0 +1,202 @@
|
|||||||
|
/* crypto/des/spr.h */
|
||||||
|
/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* This package is an SSL implementation written
|
||||||
|
* by Eric Young (eay@cryptsoft.com).
|
||||||
|
* The implementation was written so as to conform with Netscapes SSL.
|
||||||
|
*
|
||||||
|
* This library is free for commercial and non-commercial use as long as
|
||||||
|
* the following conditions are aheared to. The following conditions
|
||||||
|
* apply to all code found in this distribution, be it the RC4, RSA,
|
||||||
|
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
|
||||||
|
* included with this distribution is covered by the same copyright terms
|
||||||
|
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
|
||||||
|
*
|
||||||
|
* Copyright remains Eric Young's, and as such any Copyright notices in
|
||||||
|
* the code are not to be removed.
|
||||||
|
* If this package is used in a product, Eric Young should be given attribution
|
||||||
|
* as the author of the parts of the library used.
|
||||||
|
* This can be in the form of a textual message at program startup or
|
||||||
|
* in documentation (online or textual) provided with the package.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions
|
||||||
|
* are met:
|
||||||
|
* 1. Redistributions of source code must retain the copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer.
|
||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution.
|
||||||
|
* 3. All advertising materials mentioning features or use of this software
|
||||||
|
* must display the following acknowledgement:
|
||||||
|
* "This product includes cryptographic software written by
|
||||||
|
* Eric Young (eay@cryptsoft.com)"
|
||||||
|
* The word 'cryptographic' can be left out if the rouines from the library
|
||||||
|
* being used are not cryptographic related :-).
|
||||||
|
* 4. If you include any Windows specific code (or a derivative thereof) from
|
||||||
|
* the apps directory (application code) you must include an acknowledgement:
|
||||||
|
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
|
||||||
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||||
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||||
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||||
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||||
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||||
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||||
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||||
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||||
|
* SUCH DAMAGE.
|
||||||
|
*
|
||||||
|
* The licence and distribution terms for any publically available version or
|
||||||
|
* derivative of this code cannot be changed. i.e. this code cannot simply be
|
||||||
|
* copied and put under another distribution licence
|
||||||
|
* [including the GNU Public Licence.]
|
||||||
|
*/
|
||||||
|
|
||||||
|
static unsigned long SP1[64] = {
|
||||||
|
0x02080800L, 0x00080000L, 0x02000002L, 0x02080802L,
|
||||||
|
0x02000000L, 0x00080802L, 0x00080002L, 0x02000002L,
|
||||||
|
0x00080802L, 0x02080800L, 0x02080000L, 0x00000802L,
|
||||||
|
0x02000802L, 0x02000000L, 0x00000000L, 0x00080002L,
|
||||||
|
0x00080000L, 0x00000002L, 0x02000800L, 0x00080800L,
|
||||||
|
0x02080802L, 0x02080000L, 0x00000802L, 0x02000800L,
|
||||||
|
0x00000002L, 0x00000800L, 0x00080800L, 0x02080002L,
|
||||||
|
0x00000800L, 0x02000802L, 0x02080002L, 0x00000000L,
|
||||||
|
0x00000000L, 0x02080802L, 0x02000800L, 0x00080002L,
|
||||||
|
0x02080800L, 0x00080000L, 0x00000802L, 0x02000800L,
|
||||||
|
0x02080002L, 0x00000800L, 0x00080800L, 0x02000002L,
|
||||||
|
0x00080802L, 0x00000002L, 0x02000002L, 0x02080000L,
|
||||||
|
0x02080802L, 0x00080800L, 0x02080000L, 0x02000802L,
|
||||||
|
0x02000000L, 0x00000802L, 0x00080002L, 0x00000000L,
|
||||||
|
0x00080000L, 0x02000000L, 0x02000802L, 0x02080800L,
|
||||||
|
0x00000002L, 0x02080002L, 0x00000800L, 0x00080802L
|
||||||
|
};
|
||||||
|
static unsigned long SP2[64] = {
|
||||||
|
0x40108010L, 0x00000000L, 0x00108000L, 0x40100000L,
|
||||||
|
0x40000010L, 0x00008010L, 0x40008000L, 0x00108000L,
|
||||||
|
0x00008000L, 0x40100010L, 0x00000010L, 0x40008000L,
|
||||||
|
0x00100010L, 0x40108000L, 0x40100000L, 0x00000010L,
|
||||||
|
0x00100000L, 0x40008010L, 0x40100010L, 0x00008000L,
|
||||||
|
0x00108010L, 0x40000000L, 0x00000000L, 0x00100010L,
|
||||||
|
0x40008010L, 0x00108010L, 0x40108000L, 0x40000010L,
|
||||||
|
0x40000000L, 0x00100000L, 0x00008010L, 0x40108010L,
|
||||||
|
0x00100010L, 0x40108000L, 0x40008000L, 0x00108010L,
|
||||||
|
0x40108010L, 0x00100010L, 0x40000010L, 0x00000000L,
|
||||||
|
0x40000000L, 0x00008010L, 0x00100000L, 0x40100010L,
|
||||||
|
0x00008000L, 0x40000000L, 0x00108010L, 0x40008010L,
|
||||||
|
0x40108000L, 0x00008000L, 0x00000000L, 0x40000010L,
|
||||||
|
0x00000010L, 0x40108010L, 0x00108000L, 0x40100000L,
|
||||||
|
0x40100010L, 0x00100000L, 0x00008010L, 0x40008000L,
|
||||||
|
0x40008010L, 0x00000010L, 0x40100000L, 0x00108000L
|
||||||
|
};
|
||||||
|
static unsigned long SP3[64] = {
|
||||||
|
0x04000001L, 0x04040100L, 0x00000100L, 0x04000101L,
|
||||||
|
0x00040001L, 0x04000000L, 0x04000101L, 0x00040100L,
|
||||||
|
0x04000100L, 0x00040000L, 0x04040000L, 0x00000001L,
|
||||||
|
0x04040101L, 0x00000101L, 0x00000001L, 0x04040001L,
|
||||||
|
0x00000000L, 0x00040001L, 0x04040100L, 0x00000100L,
|
||||||
|
0x00000101L, 0x04040101L, 0x00040000L, 0x04000001L,
|
||||||
|
0x04040001L, 0x04000100L, 0x00040101L, 0x04040000L,
|
||||||
|
0x00040100L, 0x00000000L, 0x04000000L, 0x00040101L,
|
||||||
|
0x04040100L, 0x00000100L, 0x00000001L, 0x00040000L,
|
||||||
|
0x00000101L, 0x00040001L, 0x04040000L, 0x04000101L,
|
||||||
|
0x00000000L, 0x04040100L, 0x00040100L, 0x04040001L,
|
||||||
|
0x00040001L, 0x04000000L, 0x04040101L, 0x00000001L,
|
||||||
|
0x00040101L, 0x04000001L, 0x04000000L, 0x04040101L,
|
||||||
|
0x00040000L, 0x04000100L, 0x04000101L, 0x00040100L,
|
||||||
|
0x04000100L, 0x00000000L, 0x04040001L, 0x00000101L,
|
||||||
|
0x04000001L, 0x00040101L, 0x00000100L, 0x04040000L
|
||||||
|
};
|
||||||
|
static unsigned long SP4[64] = {
|
||||||
|
0x00401008L, 0x10001000L, 0x00000008L, 0x10401008L,
|
||||||
|
0x00000000L, 0x10400000L, 0x10001008L, 0x00400008L,
|
||||||
|
0x10401000L, 0x10000008L, 0x10000000L, 0x00001008L,
|
||||||
|
0x10000008L, 0x00401008L, 0x00400000L, 0x10000000L,
|
||||||
|
0x10400008L, 0x00401000L, 0x00001000L, 0x00000008L,
|
||||||
|
0x00401000L, 0x10001008L, 0x10400000L, 0x00001000L,
|
||||||
|
0x00001008L, 0x00000000L, 0x00400008L, 0x10401000L,
|
||||||
|
0x10001000L, 0x10400008L, 0x10401008L, 0x00400000L,
|
||||||
|
0x10400008L, 0x00001008L, 0x00400000L, 0x10000008L,
|
||||||
|
0x00401000L, 0x10001000L, 0x00000008L, 0x10400000L,
|
||||||
|
0x10001008L, 0x00000000L, 0x00001000L, 0x00400008L,
|
||||||
|
0x00000000L, 0x10400008L, 0x10401000L, 0x00001000L,
|
||||||
|
0x10000000L, 0x10401008L, 0x00401008L, 0x00400000L,
|
||||||
|
0x10401008L, 0x00000008L, 0x10001000L, 0x00401008L,
|
||||||
|
0x00400008L, 0x00401000L, 0x10400000L, 0x10001008L,
|
||||||
|
0x00001008L, 0x10000000L, 0x10000008L, 0x10401000L
|
||||||
|
};
|
||||||
|
static unsigned long SP5[64] = {
|
||||||
|
0x08000000L, 0x00010000L, 0x00000400L, 0x08010420L,
|
||||||
|
0x08010020L, 0x08000400L, 0x00010420L, 0x08010000L,
|
||||||
|
0x00010000L, 0x00000020L, 0x08000020L, 0x00010400L,
|
||||||
|
0x08000420L, 0x08010020L, 0x08010400L, 0x00000000L,
|
||||||
|
0x00010400L, 0x08000000L, 0x00010020L, 0x00000420L,
|
||||||
|
0x08000400L, 0x00010420L, 0x00000000L, 0x08000020L,
|
||||||
|
0x00000020L, 0x08000420L, 0x08010420L, 0x00010020L,
|
||||||
|
0x08010000L, 0x00000400L, 0x00000420L, 0x08010400L,
|
||||||
|
0x08010400L, 0x08000420L, 0x00010020L, 0x08010000L,
|
||||||
|
0x00010000L, 0x00000020L, 0x08000020L, 0x08000400L,
|
||||||
|
0x08000000L, 0x00010400L, 0x08010420L, 0x00000000L,
|
||||||
|
0x00010420L, 0x08000000L, 0x00000400L, 0x00010020L,
|
||||||
|
0x08000420L, 0x00000400L, 0x00000000L, 0x08010420L,
|
||||||
|
0x08010020L, 0x08010400L, 0x00000420L, 0x00010000L,
|
||||||
|
0x00010400L, 0x08010020L, 0x08000400L, 0x00000420L,
|
||||||
|
0x00000020L, 0x00010420L, 0x08010000L, 0x08000020L
|
||||||
|
};
|
||||||
|
static unsigned long SP6[64] = {
|
||||||
|
0x80000040L, 0x00200040L, 0x00000000L, 0x80202000L,
|
||||||
|
0x00200040L, 0x00002000L, 0x80002040L, 0x00200000L,
|
||||||
|
0x00002040L, 0x80202040L, 0x00202000L, 0x80000000L,
|
||||||
|
0x80002000L, 0x80000040L, 0x80200000L, 0x00202040L,
|
||||||
|
0x00200000L, 0x80002040L, 0x80200040L, 0x00000000L,
|
||||||
|
0x00002000L, 0x00000040L, 0x80202000L, 0x80200040L,
|
||||||
|
0x80202040L, 0x80200000L, 0x80000000L, 0x00002040L,
|
||||||
|
0x00000040L, 0x00202000L, 0x00202040L, 0x80002000L,
|
||||||
|
0x00002040L, 0x80000000L, 0x80002000L, 0x00202040L,
|
||||||
|
0x80202000L, 0x00200040L, 0x00000000L, 0x80002000L,
|
||||||
|
0x80000000L, 0x00002000L, 0x80200040L, 0x00200000L,
|
||||||
|
0x00200040L, 0x80202040L, 0x00202000L, 0x00000040L,
|
||||||
|
0x80202040L, 0x00202000L, 0x00200000L, 0x80002040L,
|
||||||
|
0x80000040L, 0x80200000L, 0x00202040L, 0x00000000L,
|
||||||
|
0x00002000L, 0x80000040L, 0x80002040L, 0x80202000L,
|
||||||
|
0x80200000L, 0x00002040L, 0x00000040L, 0x80200040L,
|
||||||
|
};
|
||||||
|
static unsigned long SP7[64] = {
|
||||||
|
0x00004000L, 0x00000200L, 0x01000200L, 0x01000004L,
|
||||||
|
0x01004204L, 0x00004004L, 0x00004200L, 0x00000000L,
|
||||||
|
0x01000000L, 0x01000204L, 0x00000204L, 0x01004000L,
|
||||||
|
0x00000004L, 0x01004200L, 0x01004000L, 0x00000204L,
|
||||||
|
0x01000204L, 0x00004000L, 0x00004004L, 0x01004204L,
|
||||||
|
0x00000000L, 0x01000200L, 0x01000004L, 0x00004200L,
|
||||||
|
0x01004004L, 0x00004204L, 0x01004200L, 0x00000004L,
|
||||||
|
0x00004204L, 0x01004004L, 0x00000200L, 0x01000000L,
|
||||||
|
0x00004204L, 0x01004000L, 0x01004004L, 0x00000204L,
|
||||||
|
0x00004000L, 0x00000200L, 0x01000000L, 0x01004004L,
|
||||||
|
0x01000204L, 0x00004204L, 0x00004200L, 0x00000000L,
|
||||||
|
0x00000200L, 0x01000004L, 0x00000004L, 0x01000200L,
|
||||||
|
0x00000000L, 0x01000204L, 0x01000200L, 0x00004200L,
|
||||||
|
0x00000204L, 0x00004000L, 0x01004204L, 0x01000000L,
|
||||||
|
0x01004200L, 0x00000004L, 0x00004004L, 0x01004204L,
|
||||||
|
0x01000004L, 0x01004200L, 0x01004000L, 0x00004004L,
|
||||||
|
};
|
||||||
|
static unsigned long SP8[64] = {
|
||||||
|
0x20800080L, 0x20820000L, 0x00020080L, 0x00000000L,
|
||||||
|
0x20020000L, 0x00800080L, 0x20800000L, 0x20820080L,
|
||||||
|
0x00000080L, 0x20000000L, 0x00820000L, 0x00020080L,
|
||||||
|
0x00820080L, 0x20020080L, 0x20000080L, 0x20800000L,
|
||||||
|
0x00020000L, 0x00820080L, 0x00800080L, 0x20020000L,
|
||||||
|
0x20820080L, 0x20000080L, 0x00000000L, 0x00820000L,
|
||||||
|
0x20000000L, 0x00800000L, 0x20020080L, 0x20800080L,
|
||||||
|
0x00800000L, 0x00020000L, 0x20820000L, 0x00000080L,
|
||||||
|
0x00800000L, 0x00020000L, 0x20000080L, 0x20820080L,
|
||||||
|
0x00020080L, 0x20000000L, 0x00000000L, 0x00820000L,
|
||||||
|
0x20800080L, 0x20020080L, 0x20020000L, 0x00800080L,
|
||||||
|
0x20820000L, 0x00000080L, 0x00800080L, 0x20020000L,
|
||||||
|
0x20820080L, 0x00800000L, 0x20800000L, 0x20000080L,
|
||||||
|
0x00820000L, 0x00020080L, 0x20020080L, 0x20800000L,
|
||||||
|
0x00000080L, 0x20820000L, 0x00820080L, 0x00000000L,
|
||||||
|
0x20000000L, 0x20800080L, 0x00020000L, 0x00820080L,
|
||||||
|
};
|
||||||
Loading…
x
Reference in New Issue
Block a user