mirror of
https://github.com/RfidResearchGroup/proxmark3.git
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armsrc: fix mix of spaces & tabs
This commit is contained in:
Philippe Teuwen
parent
23f1a253a7
commit
8a7c6825b5
47 changed files with 18186 additions and 18184 deletions
450
armsrc/des.c
450
armsrc/des.c
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@ -22,7 +22,7 @@
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* \email daniel.otte@rub.de
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* \date 2007-06-16
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* \brief DES and EDE-DES implementation
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* \license GPLv3 or later
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* \license GPLv3 or later
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*
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*/
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@ -72,111 +72,111 @@ const uint8_t sbox[256] = {
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};
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const uint8_t e_permtab[] ={
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4, 6, /* 4 bytes in 6 bytes out*/
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32, 1, 2, 3, 4, 5,
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4, 5, 6, 7, 8, 9,
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8, 9, 10, 11, 12, 13,
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12, 13, 14, 15, 16, 17,
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16, 17, 18, 19, 20, 21,
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20, 21, 22, 23, 24, 25,
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24, 25, 26, 27, 28, 29,
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28, 29, 30, 31, 32, 1
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4, 6, /* 4 bytes in 6 bytes out*/
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32, 1, 2, 3, 4, 5,
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4, 5, 6, 7, 8, 9,
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8, 9, 10, 11, 12, 13,
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12, 13, 14, 15, 16, 17,
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16, 17, 18, 19, 20, 21,
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20, 21, 22, 23, 24, 25,
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24, 25, 26, 27, 28, 29,
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28, 29, 30, 31, 32, 1
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};
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const uint8_t p_permtab[] ={
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4, 4, /* 32 bit -> 32 bit */
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16, 7, 20, 21,
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29, 12, 28, 17,
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1, 15, 23, 26,
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5, 18, 31, 10,
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2, 8, 24, 14,
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32, 27, 3, 9,
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19, 13, 30, 6,
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22, 11, 4, 25
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4, 4, /* 32 bit -> 32 bit */
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16, 7, 20, 21,
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29, 12, 28, 17,
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1, 15, 23, 26,
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5, 18, 31, 10,
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2, 8, 24, 14,
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32, 27, 3, 9,
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19, 13, 30, 6,
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22, 11, 4, 25
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};
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const uint8_t ip_permtab[] ={
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8, 8, /* 64 bit -> 64 bit */
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58, 50, 42, 34, 26, 18, 10, 2,
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60, 52, 44, 36, 28, 20, 12, 4,
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62, 54, 46, 38, 30, 22, 14, 6,
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64, 56, 48, 40, 32, 24, 16, 8,
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57, 49, 41, 33, 25, 17, 9, 1,
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59, 51, 43, 35, 27, 19, 11, 3,
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61, 53, 45, 37, 29, 21, 13, 5,
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63, 55, 47, 39, 31, 23, 15, 7
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8, 8, /* 64 bit -> 64 bit */
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58, 50, 42, 34, 26, 18, 10, 2,
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60, 52, 44, 36, 28, 20, 12, 4,
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62, 54, 46, 38, 30, 22, 14, 6,
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64, 56, 48, 40, 32, 24, 16, 8,
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57, 49, 41, 33, 25, 17, 9, 1,
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59, 51, 43, 35, 27, 19, 11, 3,
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61, 53, 45, 37, 29, 21, 13, 5,
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63, 55, 47, 39, 31, 23, 15, 7
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};
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const uint8_t inv_ip_permtab[] ={
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8, 8, /* 64 bit -> 64 bit */
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40, 8, 48, 16, 56, 24, 64, 32,
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39, 7, 47, 15, 55, 23, 63, 31,
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38, 6, 46, 14, 54, 22, 62, 30,
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37, 5, 45, 13, 53, 21, 61, 29,
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36, 4, 44, 12, 52, 20, 60, 28,
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35, 3, 43, 11, 51, 19, 59, 27,
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34, 2, 42, 10, 50, 18, 58, 26,
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33, 1, 41, 9, 49, 17, 57, 25
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8, 8, /* 64 bit -> 64 bit */
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40, 8, 48, 16, 56, 24, 64, 32,
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39, 7, 47, 15, 55, 23, 63, 31,
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38, 6, 46, 14, 54, 22, 62, 30,
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37, 5, 45, 13, 53, 21, 61, 29,
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36, 4, 44, 12, 52, 20, 60, 28,
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35, 3, 43, 11, 51, 19, 59, 27,
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34, 2, 42, 10, 50, 18, 58, 26,
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33, 1, 41, 9, 49, 17, 57, 25
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};
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const uint8_t pc1_permtab[] ={
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8, 7, /* 64 bit -> 56 bit*/
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57, 49, 41, 33, 25, 17, 9,
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1, 58, 50, 42, 34, 26, 18,
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10, 2, 59, 51, 43, 35, 27,
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19, 11, 3, 60, 52, 44, 36,
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63, 55, 47, 39, 31, 23, 15,
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7, 62, 54, 46, 38, 30, 22,
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14, 6, 61, 53, 45, 37, 29,
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21, 13, 5, 28, 20, 12, 4
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8, 7, /* 64 bit -> 56 bit*/
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57, 49, 41, 33, 25, 17, 9,
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1, 58, 50, 42, 34, 26, 18,
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10, 2, 59, 51, 43, 35, 27,
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19, 11, 3, 60, 52, 44, 36,
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63, 55, 47, 39, 31, 23, 15,
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7, 62, 54, 46, 38, 30, 22,
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14, 6, 61, 53, 45, 37, 29,
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21, 13, 5, 28, 20, 12, 4
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};
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const uint8_t pc2_permtab[] ={
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7, 6, /* 56 bit -> 48 bit */
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14, 17, 11, 24, 1, 5,
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3, 28, 15, 6, 21, 10,
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23, 19, 12, 4, 26, 8,
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16, 7, 27, 20, 13, 2,
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41, 52, 31, 37, 47, 55,
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30, 40, 51, 45, 33, 48,
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44, 49, 39, 56, 34, 53,
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46, 42, 50, 36, 29, 32
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7, 6, /* 56 bit -> 48 bit */
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14, 17, 11, 24, 1, 5,
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3, 28, 15, 6, 21, 10,
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23, 19, 12, 4, 26, 8,
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16, 7, 27, 20, 13, 2,
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41, 52, 31, 37, 47, 55,
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30, 40, 51, 45, 33, 48,
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44, 49, 39, 56, 34, 53,
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46, 42, 50, 36, 29, 32
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};
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const uint8_t splitin6bitword_permtab[] = {
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8, 8, /* 64 bit -> 64 bit */
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64, 64, 1, 6, 2, 3, 4, 5,
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64, 64, 7, 12, 8, 9, 10, 11,
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64, 64, 13, 18, 14, 15, 16, 17,
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64, 64, 19, 24, 20, 21, 22, 23,
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64, 64, 25, 30, 26, 27, 28, 29,
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64, 64, 31, 36, 32, 33, 34, 35,
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64, 64, 37, 42, 38, 39, 40, 41,
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64, 64, 43, 48, 44, 45, 46, 47
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8, 8, /* 64 bit -> 64 bit */
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64, 64, 1, 6, 2, 3, 4, 5,
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64, 64, 7, 12, 8, 9, 10, 11,
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64, 64, 13, 18, 14, 15, 16, 17,
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64, 64, 19, 24, 20, 21, 22, 23,
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64, 64, 25, 30, 26, 27, 28, 29,
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64, 64, 31, 36, 32, 33, 34, 35,
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64, 64, 37, 42, 38, 39, 40, 41,
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64, 64, 43, 48, 44, 45, 46, 47
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};
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const uint8_t shiftkey_permtab[] = {
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7, 7, /* 56 bit -> 56 bit */
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2, 3, 4, 5, 6, 7, 8, 9,
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10, 11, 12, 13, 14, 15, 16, 17,
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18, 19, 20, 21, 22, 23, 24, 25,
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26, 27, 28, 1,
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30, 31, 32, 33, 34, 35, 36, 37,
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38, 39, 40, 41, 42, 43, 44, 45,
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46, 47, 48, 49, 50, 51, 52, 53,
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54, 55, 56, 29
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7, 7, /* 56 bit -> 56 bit */
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2, 3, 4, 5, 6, 7, 8, 9,
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10, 11, 12, 13, 14, 15, 16, 17,
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18, 19, 20, 21, 22, 23, 24, 25,
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26, 27, 28, 1,
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30, 31, 32, 33, 34, 35, 36, 37,
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38, 39, 40, 41, 42, 43, 44, 45,
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46, 47, 48, 49, 50, 51, 52, 53,
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54, 55, 56, 29
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};
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const uint8_t shiftkeyinv_permtab[] = {
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7, 7,
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28, 1, 2, 3, 4, 5, 6, 7,
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8, 9, 10, 11, 12, 13, 14, 15,
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16, 17, 18, 19, 20, 21, 22, 23,
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24, 25, 26, 27,
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56, 29, 30, 31, 32, 33, 34, 35,
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36, 37, 38, 39, 40, 41, 42, 43,
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44, 45, 46, 47, 48, 49, 50, 51,
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52, 53, 54, 55
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7, 7,
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28, 1, 2, 3, 4, 5, 6, 7,
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8, 9, 10, 11, 12, 13, 14, 15,
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16, 17, 18, 19, 20, 21, 22, 23,
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24, 25, 26, 27,
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56, 29, 30, 31, 32, 33, 34, 35,
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36, 37, 38, 39, 40, 41, 42, 43,
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44, 45, 46, 47, 48, 49, 50, 51,
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52, 53, 54, 55
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};
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/*
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@ -203,241 +203,241 @@ const uint8_t shiftkeyinv_permtab[] = {
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/******************************************************************************/
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void permute(const uint8_t *ptable, const uint8_t *in, uint8_t *out){
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uint8_t ob; /* in-bytes and out-bytes */
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uint8_t byte, bit; /* counter for bit and byte */
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ob = ptable[1];
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ptable = &(ptable[2]);
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for(byte=0; byte<ob; ++byte){
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uint8_t x,t=0;
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for(bit=0; bit<8; ++bit){
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x = *ptable++ - 1;
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t<<=1;
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if((in[x/8]) & (0x80>>(x%8)) ){
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t|=0x01;
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}
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}
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out[byte]=t;
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}
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uint8_t ob; /* in-bytes and out-bytes */
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uint8_t byte, bit; /* counter for bit and byte */
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ob = ptable[1];
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ptable = &(ptable[2]);
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for(byte=0; byte<ob; ++byte){
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uint8_t x,t=0;
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for(bit=0; bit<8; ++bit){
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x = *ptable++ - 1;
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t<<=1;
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if((in[x/8]) & (0x80>>(x%8)) ){
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t|=0x01;
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}
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}
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out[byte]=t;
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}
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}
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/******************************************************************************/
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void changeendian32(uint32_t * a){
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*a = (*a & 0x000000FF) << 24 |
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(*a & 0x0000FF00) << 8 |
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(*a & 0x00FF0000) >> 8 |
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(*a & 0xFF000000) >> 24;
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*a = (*a & 0x000000FF) << 24 |
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(*a & 0x0000FF00) << 8 |
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(*a & 0x00FF0000) >> 8 |
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(*a & 0xFF000000) >> 24;
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}
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/******************************************************************************/
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static inline
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void shiftkey(uint8_t *key){
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uint8_t k[7];
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memcpy(k, key, 7);
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permute((uint8_t*)shiftkey_permtab, k, key);
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uint8_t k[7];
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memcpy(k, key, 7);
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permute((uint8_t*)shiftkey_permtab, k, key);
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}
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/******************************************************************************/
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static inline
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void shiftkey_inv(uint8_t *key){
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uint8_t k[7];
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memcpy(k, key, 7);
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permute((uint8_t*)shiftkeyinv_permtab, k, key);
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uint8_t k[7];
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memcpy(k, key, 7);
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permute((uint8_t*)shiftkeyinv_permtab, k, key);
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}
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/******************************************************************************/
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static inline
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uint64_t splitin6bitwords(uint64_t a){
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uint64_t ret=0;
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a &= 0x0000ffffffffffffLL;
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permute((uint8_t*)splitin6bitword_permtab, (uint8_t*)&a, (uint8_t*)&ret);
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return ret;
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uint64_t ret=0;
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a &= 0x0000ffffffffffffLL;
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permute((uint8_t*)splitin6bitword_permtab, (uint8_t*)&a, (uint8_t*)&ret);
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return ret;
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}
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/******************************************************************************/
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static inline
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uint8_t substitute(uint8_t a, uint8_t * sbp){
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uint8_t x;
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x = sbp[a>>1];
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x = (a&1)?x&0x0F:x>>4;
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return x;
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uint8_t x;
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x = sbp[a>>1];
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x = (a&1)?x&0x0F:x>>4;
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return x;
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}
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/******************************************************************************/
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uint32_t des_f(uint32_t r, uint8_t* kr){
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uint8_t i;
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uint32_t t=0,ret;
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uint64_t data;
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uint8_t *sbp; /* sboxpointer */
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permute((uint8_t*)e_permtab, (uint8_t*)&r, (uint8_t*)&data);
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for(i=0; i<6; ++i)
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((uint8_t*)&data)[i] ^= kr[i];
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uint8_t i;
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uint32_t t=0,ret;
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uint64_t data;
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uint8_t *sbp; /* sboxpointer */
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permute((uint8_t*)e_permtab, (uint8_t*)&r, (uint8_t*)&data);
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for(i=0; i<6; ++i)
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((uint8_t*)&data)[i] ^= kr[i];
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/* Sbox substitution */
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data = splitin6bitwords(data);
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sbp=(uint8_t*)sbox;
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for(i=0; i<8; ++i){
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uint8_t x;
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x = substitute(((uint8_t*)&data)[i], sbp);
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t<<=4;
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t |= x;
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sbp += 32;
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}
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changeendian32(&t);
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/* Sbox substitution */
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data = splitin6bitwords(data);
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sbp=(uint8_t*)sbox;
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for(i=0; i<8; ++i){
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uint8_t x;
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x = substitute(((uint8_t*)&data)[i], sbp);
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t<<=4;
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t |= x;
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sbp += 32;
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}
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changeendian32(&t);
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permute((uint8_t*)p_permtab,(uint8_t*)&t, (uint8_t*)&ret);
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permute((uint8_t*)p_permtab,(uint8_t*)&t, (uint8_t*)&ret);
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return ret;
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return ret;
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}
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/******************************************************************************/
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typedef struct {
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union {
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uint8_t v8[8];
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uint32_t v32[2];
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} d;
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union {
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uint8_t v8[8];
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uint32_t v32[2];
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} d;
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} data_t;
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#define R (data.d.v32[1])
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#define L (data.d.v32[0])
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void des_enc(void* out, const void* in, const void* key){
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uint8_t kr[6], k[7];
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uint8_t i;
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data_t data;
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uint8_t kr[6], k[7];
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uint8_t i;
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data_t data;
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permute((uint8_t*)ip_permtab, (uint8_t*)in, data.d.v8);
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permute((uint8_t*)pc1_permtab, (const uint8_t*)key, k);
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permute((uint8_t*)ip_permtab, (uint8_t*)in, data.d.v8);
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permute((uint8_t*)pc1_permtab, (const uint8_t*)key, k);
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for(i=0; i<8; ++i){
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shiftkey(k);
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if(ROTTABLE&((1<<((i<<1)+0))) )
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shiftkey(k);
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permute((uint8_t*)pc2_permtab, k, kr);
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L ^= des_f(R, kr);
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for(i=0; i<8; ++i){
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shiftkey(k);
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if(ROTTABLE&((1<<((i<<1)+0))) )
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shiftkey(k);
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permute((uint8_t*)pc2_permtab, k, kr);
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L ^= des_f(R, kr);
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shiftkey(k);
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if(ROTTABLE&((1<<((i<<1)+1))) )
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shiftkey(k);
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permute((uint8_t*)pc2_permtab, k, kr);
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R ^= des_f(L, kr);
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shiftkey(k);
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if(ROTTABLE&((1<<((i<<1)+1))) )
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shiftkey(k);
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permute((uint8_t*)pc2_permtab, k, kr);
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R ^= des_f(L, kr);
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}
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/* L <-> R*/
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R ^= L;
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L ^= R;
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R ^= L;
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}
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/* L <-> R*/
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R ^= L;
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L ^= R;
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R ^= L;
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permute((uint8_t*)inv_ip_permtab, data.d.v8, (uint8_t*)out);
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permute((uint8_t*)inv_ip_permtab, data.d.v8, (uint8_t*)out);
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}
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/******************************************************************************/
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void des_dec(void* out, const void* in, const uint8_t* key){
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uint8_t kr[6],k[7];
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||||
int8_t i;
|
||||
data_t data;
|
||||
uint8_t kr[6],k[7];
|
||||
int8_t i;
|
||||
data_t data;
|
||||
|
||||
permute((uint8_t*)ip_permtab, (uint8_t*)in, data.d.v8);
|
||||
permute((uint8_t*)pc1_permtab, (const uint8_t*)key, k);
|
||||
for(i=7; i>=0; --i){
|
||||
permute((uint8_t*)ip_permtab, (uint8_t*)in, data.d.v8);
|
||||
permute((uint8_t*)pc1_permtab, (const uint8_t*)key, k);
|
||||
for(i=7; i>=0; --i){
|
||||
|
||||
permute((uint8_t*)pc2_permtab, k, kr);
|
||||
L ^= des_f(R, kr);
|
||||
shiftkey_inv(k);
|
||||
if(ROTTABLE&((1<<((i<<1)+1))) ){
|
||||
shiftkey_inv(k);
|
||||
}
|
||||
permute((uint8_t*)pc2_permtab, k, kr);
|
||||
L ^= des_f(R, kr);
|
||||
shiftkey_inv(k);
|
||||
if(ROTTABLE&((1<<((i<<1)+1))) ){
|
||||
shiftkey_inv(k);
|
||||
}
|
||||
|
||||
permute((uint8_t*)pc2_permtab, k, kr);
|
||||
R ^= des_f(L, kr);
|
||||
shiftkey_inv(k);
|
||||
if(ROTTABLE&((1<<((i<<1)+0))) ){
|
||||
shiftkey_inv(k);
|
||||
}
|
||||
permute((uint8_t*)pc2_permtab, k, kr);
|
||||
R ^= des_f(L, kr);
|
||||
shiftkey_inv(k);
|
||||
if(ROTTABLE&((1<<((i<<1)+0))) ){
|
||||
shiftkey_inv(k);
|
||||
}
|
||||
|
||||
}
|
||||
/* L <-> R*/
|
||||
R ^= L;
|
||||
L ^= R;
|
||||
R ^= L;
|
||||
}
|
||||
/* L <-> R*/
|
||||
R ^= L;
|
||||
L ^= R;
|
||||
R ^= L;
|
||||
|
||||
permute((uint8_t*)inv_ip_permtab, data.d.v8, (uint8_t*)out);
|
||||
permute((uint8_t*)inv_ip_permtab, data.d.v8, (uint8_t*)out);
|
||||
}
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
void tdes_enc(void* out, void* in, const void* key){
|
||||
des_enc(out, in, (uint8_t*)key + 0);
|
||||
des_dec(out, out, (uint8_t*)key + 8);
|
||||
des_enc(out, out, (uint8_t*)key +16);
|
||||
des_enc(out, in, (uint8_t*)key + 0);
|
||||
des_dec(out, out, (uint8_t*)key + 8);
|
||||
des_enc(out, out, (uint8_t*)key +16);
|
||||
}
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
void tdes_dec(void* out, void* in, const uint8_t* key){
|
||||
des_dec(out, in, (uint8_t*)key +16);
|
||||
des_enc(out, out, (uint8_t*)key + 8);
|
||||
des_dec(out, out, (uint8_t*)key + 0);
|
||||
des_dec(out, in, (uint8_t*)key +16);
|
||||
des_enc(out, out, (uint8_t*)key + 8);
|
||||
des_dec(out, out, (uint8_t*)key + 0);
|
||||
}
|
||||
|
||||
void tdes_2key_enc(void* out, const void* in, size_t length, const void* key, unsigned char iv[8]){
|
||||
|
||||
if( length % 8 ) return;
|
||||
if( length % 8 ) return;
|
||||
|
||||
uint8_t i;
|
||||
uint8_t* tin = (uint8_t*) in;
|
||||
uint8_t* tout = (uint8_t*) out;
|
||||
uint8_t i;
|
||||
uint8_t* tin = (uint8_t*) in;
|
||||
uint8_t* tout = (uint8_t*) out;
|
||||
|
||||
while( length > 0 )
|
||||
{
|
||||
for( i = 0; i < 8; i++ )
|
||||
tout[i] = (unsigned char)( tin[i] ^ iv[i] );
|
||||
while( length > 0 )
|
||||
{
|
||||
for( i = 0; i < 8; i++ )
|
||||
tout[i] = (unsigned char)( tin[i] ^ iv[i] );
|
||||
|
||||
des_enc(tout, tin, (uint8_t*)key + 0);
|
||||
des_dec(tout, tout, (uint8_t*)key + 8);
|
||||
des_enc(tout, tout, (uint8_t*)key + 0);
|
||||
des_enc(tout, tin, (uint8_t*)key + 0);
|
||||
des_dec(tout, tout, (uint8_t*)key + 8);
|
||||
des_enc(tout, tout, (uint8_t*)key + 0);
|
||||
|
||||
memcpy( iv, tout, 8 );
|
||||
memcpy( iv, tout, 8 );
|
||||
|
||||
tin += 8;
|
||||
tout += 8;
|
||||
length -= 8;
|
||||
}
|
||||
tin += 8;
|
||||
tout += 8;
|
||||
length -= 8;
|
||||
}
|
||||
}
|
||||
|
||||
void tdes_2key_dec(void* out, const void* in, size_t length, const void* key, unsigned char iv[8]){
|
||||
|
||||
if( length % 8 ) return;
|
||||
if( length % 8 ) return;
|
||||
|
||||
uint8_t i;
|
||||
unsigned char temp[8];
|
||||
uint8_t* tin = (uint8_t*) in;
|
||||
uint8_t* tout = (uint8_t*) out;
|
||||
uint8_t i;
|
||||
unsigned char temp[8];
|
||||
uint8_t* tin = (uint8_t*) in;
|
||||
uint8_t* tout = (uint8_t*) out;
|
||||
|
||||
while( length > 0 )
|
||||
{
|
||||
memcpy( temp, tin, 8 );
|
||||
while( length > 0 )
|
||||
{
|
||||
memcpy( temp, tin, 8 );
|
||||
|
||||
des_dec(tout, tin, (uint8_t*)key + 0);
|
||||
des_enc(tout, tout, (uint8_t*)key + 8);
|
||||
des_dec(tout, tout, (uint8_t*)key + 0);
|
||||
des_dec(tout, tin, (uint8_t*)key + 0);
|
||||
des_enc(tout, tout, (uint8_t*)key + 8);
|
||||
des_dec(tout, tout, (uint8_t*)key + 0);
|
||||
|
||||
for( i = 0; i < 8; i++ )
|
||||
tout[i] = (unsigned char)( tout[i] ^ iv[i] );
|
||||
for( i = 0; i < 8; i++ )
|
||||
tout[i] = (unsigned char)( tout[i] ^ iv[i] );
|
||||
|
||||
memcpy( iv, temp, 8 );
|
||||
memcpy( iv, temp, 8 );
|
||||
|
||||
tin += 8;
|
||||
tout += 8;
|
||||
length -= 8;
|
||||
}
|
||||
tin += 8;
|
||||
tout += 8;
|
||||
length -= 8;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue