iR0SSKrSSKrSSKr"SS5rg)Nc 6\rSrSrSr/SQr/SQr/SQr/SQr/SQr /SQ/S Q/S Q/S Q/S Q/S Q/SQ/SQ/r /SQr /SQr S\ SS4SjrS\ S\ 4SjrS\ S\ 4Sjr\S\ S\ 4Sj5r\S\S\4Sj5rS\ S\R,\R,\4SjrS\R,\S\S\R,\4SjrS\ S\R,\4S jrS!\ S\ 4S"jrS!\ S\ 4S#jrS!\R,\S\R,\S\R,\4S$jrS%rg)&DES arCreates a DES cipher. Creates a DES cipher class with the key initialised. This key must be 8 bytes in length. This only supports the ECB cipher mode as that is what is used in the LM hash calculation. Thanks to http://page.math.tu-berlin.de/~kant/teaching/hess/krypto-ws2006/des.htm for helping work through this. Args: key: The 8-byte key to use in the Cipher. )880( r91)!r:2*" ;3+#>6.&=5-% <4,$  )rrrrrrrrrrrrrrrr)0r.r rrr7rr8r&r/r5rr%rr:r;rr'rr9r6rrrr$r3r"r!r,'rr2r /rrr#7rr1r*rrrr4)@r rrrrrrrrrrrr8r9r:r;r(r)r*r+r,r-r.r/?rAr@r?rBr<r>r=rrrr r r r rrrrrrrrrr0r1r2r3r4r5r6r7r r!r"r#r$r%r&r')0rBrrrr;r7r;r7r/r'r=r r=r rrr:r6r:r6r.r&r>r r>r rrr9r5r9r5r-r%r<r r<r rrr8r4r8r4r,r$rBr)@r&r7r.rrr>r:r r;rr'r6r/rrr=rr>r=r7r&rr.rrr'r6r:rr/r;r r7rr&r r.r'rr:r>r6rr=r;rr/rr>r6r rr7rrr=r/r:r;r&rrr'r.)@r>rr r&r'r:r;r7rr=rr.r6rr/rr;r.r7r=r>rr r&r6rrrr'rr:r/rr&r=r:rr7r.rr/r r6r'rr;rr>r.r rrr;r>r7rr:r'r=r6rr/r&r)@rrrr&r'r;r>r/rr.r6r=r:r7rr r.r=rrr;r7r'rrr r/r&r6r:r>rr.r'r7rr r>r;rr:rrr6r/rr&r=rrr.rr'rr r=r7r>r&r;r:r/rr6)@r=r.r&r;rr'rrrrr r/r:r6r7r>r.r r:r/r'r>rr;r7r=rr6rrr&rrr'rrr6r:r=r.r>rr;r&r/rr r7r;r>rr'rrr.r rr7r/r:r6r=rr&)@rr6r7rr=rr:r'r r/r;r>r.rr&rr&r:rr6r7r=r.rr/rr>rr;rr r'r7rrr:rr.r=r r>rr6r/r'r;rr&r:r r6r=rr&rr.r'r>rrrr7r/r;)@r6rrr>rrr'r rr.r;r7r&r=r/r:rr>r7rr=r6rr/r'rr.r&rr:r;r rr&r>r/rr r6r;r=rr7rrr.r:r'r7r;rr6rr/r>rr:r&rr=r'rr r.)@r7r:rr&r>rr r.r;r6rr=r/rr'rr.rr:r=r7rrrr&r;r/r6rr>r r'rr7r:r.r6r;r=r&rr>r'r rr/rrr'r:r.r rr7rr=rr/rr>r&rr;r6)@r.rr r7r'r>r:rrrr;r&r/rr6r=rr>r.r rr;r=r7r6r/r'r:rr&rrr=r:r7rrr6r&rrr'rr.r>r;r/r rrr&r=r7rr r.r>r6rrr;r/r'r:) r>r'r9r5r4r:r8r rr&r%rr7rr$rrr=r<r.rBrrr rr6r,r/r-rr;r )@r?r=r@r>rAr<rCrBr#r'r"r&r!r%r r$r+r/r*r.r)r-r(r,r3r7r2r6r1r5r0r4rr;rr:rr9rr8rrrrrrrrrrrrrrr rr rrr rr rr keyreturnNc[U5S:wa [S5eXlURUR5Ulg)Nr z.DES encryption key should be 8 bytes in length)len ValueErrorrD_create_subkeys_subkeys)selfrDs N/home/james-whalen/.local/lib/python3.13/site-packages/spnego/_ntlm_raw/des.py__init__ DES.__init__|s4 s8q=MN N,,TXX6 datac[R"5n[S[U5S5H:nXUS-R SS5nUR UR U55 M< UR5$)zEncrypt a byte string. DES encrypts the data based on the key it was initialised with. The data will be right padded with b"" if it is not a multiple of 8. Args: data: The byte string to encrypt. Returns: bytes: The encrypted byte string. rr )ioBytesIOrangerGljustwrite _encode_blockgetvalue)rKrPencrypted_dataiblocks rLencrypt DES.encryptsjq#d)Q'AQUO))!W5E  !3!3E!: ;(&&((rOc[R"5n[S[U5S5HDnXUS-n[U5S:wa [ S5eUR UR U55 MF UR5$)zDecrypt a byte string. DES decrypts the data based on the key it was initialised with. Args: data: The byte string to decrypt Returns: bytes: The decrypted byte string. rr z2DES decryption block must be a multiple of 8 bytes)rSrTrUrGrHrW _decode_blockrY)rKrPdecrypted_datar[r\s rLdecrypt DES.decryptstq#d)Q'AQUOE5zQ !UVV  !3!3E!: ; (&&((rOcL[U5S:wa[S[U5-5eSn[SS5HnUS:Xa [R"SXUS-5SnOzUS:Xa&[R"SUSS5SnUS-S -nON[R"SXS- U5Sn[R"SXUS-5SnUSU- -S -XB- -nUS -nU[ [ RU5S-(+5-nU[R"SU5- nM U$) u Convert 7 byte key to 8 bytes. This takes in an a bytes string of 7 bytes and converts it to a bytes string of 8 bytes with the odd parity bit being set to every 8 bits, For example b"" 00000001 00000010 00000011 00000100 00000101 00000110 00000111 is converted to b"€€a@)" 00000001 10000000 10000000 01100001 01000000 00101001 00011001 00001110 https://crypto.stackexchange.com/questions/15799/des-with-actual-7-byte-key Args: key: The 7-byte sized key Returns: bytes: The expanded 8-byte key. r=z3DES 7-byte key is not 7 bytes in length, actual: %drOrr Brr') rGrHrUstructunpackintr bit_countpack)rDnew_keyr[ new_value next_values rLkey56_to_key64DES.key56_to_key64s.2 s8q=RUXY\U]]^ ^q!AAv"MM#sq1u~>qA a"MM#s1Qx8; &!^t3 "MM#sq51~>qA #]]3A?B 'AE2d:joM "I-I"CCMM),Ds,J(J$KKI v{{3 2 2G!$rOr[cBSnU(aXS- -nUS- nU(aMU$)Nrr)r[counts rLrk DES.bit_counts. QJA QJEa rOcURU5nURVs/sHo2UPM nnUSS/nUSS/n[UR5HKupxUR UR XWU55 UR UR XgU55 MM /n [ SS5H;nXWXg-n URVs/sHo:UPM n nU R U 5 M= U $s snfs snf)Nrr4rrr) _get_bits_pc1 enumerate_shift_indexesappend _shift_bitsrU_pc2) rKrDkey_bitsxpc1_bitscdr[ shift_indexsubkeyscd subkey_bitss rLrIDES._create_subkeyss>>#&*.3AQK3a^  b_ ((;(;rrOr rrre) rwryrrUrrJrjrrrrhrl)rKr\rrr[idxrrrrnew_lrdecrypted_bitsdecrypted_bytesrrs rLr`DES._decode_block/s^^E* S2X/FA mBG013tby/1dRiqHb b9Rr2r"A!00!edmmA>NONHMb R 1S*eEl1o=> ERE{EHG # !WuQx r)FA"$%N *q"aA.QU2K!L2KQ#a&2K!LMqQF v{{37 7O!S"Ms "E/.E4cDURVs/sHo1UPM nn[S5Vs/sHn[X%XE:g5PM nn/nSn[SSS5GHnXeUS-n [U S5[U S5/n U SSVs/sHn[U5PM n n[SR U 5S5n [SR U 5S5n U S-U -nUR UUnUS- nUR US -(aSOS5 UR US -(aSOS5 UR US-(aSOS5 UR US-(aSOS5 GM URVs/sHo7UPM nnU$s snfs snfs snfs snf) Nrrr'rrrrr r r7)_e_bit_selectionrUrjrr_s_boxesr{_p)rKr\rDrexpanded_blockr[ new_block s_box_perm s_box_iter current_blockrow_bits column_bits s_box_row s_box_column s_box_address s_box_value final_blocks rLrDES._compute_blockKs,0,A,AB,Aq(,AB?DRyIy!S>#445y I  q"aA%!a%0MM!,-s=3D/EFH+82+>?+>a3q6+>K?BGGH-q1Irww{3Q7L&^|;M-- 3MBK !OJ   ;#4a! <   ;#4a! <   ;#4a! <   ;#4a! <! /3gg6g!}g 61CI@7sFF F<F)rJrD)__name__ __module__ __qualname____firstlineno____doc__rxrzr}rrrrrbytesrMr]rb staticmethodrprjrktypingListrIr|rwrXr`r__static_attributes__rsrOrLrr s 9 DxFN1 DhA CH1jA DA DA DA DA DA DA DA _QHh! BHAIF7E7d7)E)e)()E)e),.E.e..`SS5V[[S9I-J0 C 0#&++cBR e  C(8 5U.5U8FKK$46;;s;KPVP[P[\_P`rOr)rSrhrrrsrOrLrs [[rO