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1 //#include "arm_arch.h" |
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2 #define __ARM_ARCH__ 6 |
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3 .text |
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4 .code 32 |
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5 |
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6 .type AES_Te,%object |
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7 .align 5 |
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8 AES_Te: |
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9 .word 0xc66363a5, 0xf87c7c84, 0xee777799, 0xf67b7b8d |
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10 .word 0xfff2f20d, 0xd66b6bbd, 0xde6f6fb1, 0x91c5c554 |
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11 .word 0x60303050, 0x02010103, 0xce6767a9, 0x562b2b7d |
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12 .word 0xe7fefe19, 0xb5d7d762, 0x4dababe6, 0xec76769a |
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13 .word 0x8fcaca45, 0x1f82829d, 0x89c9c940, 0xfa7d7d87 |
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14 .word 0xeffafa15, 0xb25959eb, 0x8e4747c9, 0xfbf0f00b |
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15 .word 0x41adadec, 0xb3d4d467, 0x5fa2a2fd, 0x45afafea |
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16 .word 0x239c9cbf, 0x53a4a4f7, 0xe4727296, 0x9bc0c05b |
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17 .word 0x75b7b7c2, 0xe1fdfd1c, 0x3d9393ae, 0x4c26266a |
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18 .word 0x6c36365a, 0x7e3f3f41, 0xf5f7f702, 0x83cccc4f |
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19 .word 0x6834345c, 0x51a5a5f4, 0xd1e5e534, 0xf9f1f108 |
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20 .word 0xe2717193, 0xabd8d873, 0x62313153, 0x2a15153f |
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21 .word 0x0804040c, 0x95c7c752, 0x46232365, 0x9dc3c35e |
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22 .word 0x30181828, 0x379696a1, 0x0a05050f, 0x2f9a9ab5 |
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23 .word 0x0e070709, 0x24121236, 0x1b80809b, 0xdfe2e23d |
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24 .word 0xcdebeb26, 0x4e272769, 0x7fb2b2cd, 0xea75759f |
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25 .word 0x1209091b, 0x1d83839e, 0x582c2c74, 0x341a1a2e |
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26 .word 0x361b1b2d, 0xdc6e6eb2, 0xb45a5aee, 0x5ba0a0fb |
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27 .word 0xa45252f6, 0x763b3b4d, 0xb7d6d661, 0x7db3b3ce |
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28 .word 0x5229297b, 0xdde3e33e, 0x5e2f2f71, 0x13848497 |
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29 .word 0xa65353f5, 0xb9d1d168, 0x00000000, 0xc1eded2c |
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30 .word 0x40202060, 0xe3fcfc1f, 0x79b1b1c8, 0xb65b5bed |
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31 .word 0xd46a6abe, 0x8dcbcb46, 0x67bebed9, 0x7239394b |
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32 .word 0x944a4ade, 0x984c4cd4, 0xb05858e8, 0x85cfcf4a |
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33 .word 0xbbd0d06b, 0xc5efef2a, 0x4faaaae5, 0xedfbfb16 |
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34 .word 0x864343c5, 0x9a4d4dd7, 0x66333355, 0x11858594 |
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35 .word 0x8a4545cf, 0xe9f9f910, 0x04020206, 0xfe7f7f81 |
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36 .word 0xa05050f0, 0x783c3c44, 0x259f9fba, 0x4ba8a8e3 |
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37 .word 0xa25151f3, 0x5da3a3fe, 0x804040c0, 0x058f8f8a |
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38 .word 0x3f9292ad, 0x219d9dbc, 0x70383848, 0xf1f5f504 |
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39 .word 0x63bcbcdf, 0x77b6b6c1, 0xafdada75, 0x42212163 |
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40 .word 0x20101030, 0xe5ffff1a, 0xfdf3f30e, 0xbfd2d26d |
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41 .word 0x81cdcd4c, 0x180c0c14, 0x26131335, 0xc3ecec2f |
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42 .word 0xbe5f5fe1, 0x359797a2, 0x884444cc, 0x2e171739 |
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43 .word 0x93c4c457, 0x55a7a7f2, 0xfc7e7e82, 0x7a3d3d47 |
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44 .word 0xc86464ac, 0xba5d5de7, 0x3219192b, 0xe6737395 |
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45 .word 0xc06060a0, 0x19818198, 0x9e4f4fd1, 0xa3dcdc7f |
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46 .word 0x44222266, 0x542a2a7e, 0x3b9090ab, 0x0b888883 |
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47 .word 0x8c4646ca, 0xc7eeee29, 0x6bb8b8d3, 0x2814143c |
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48 .word 0xa7dede79, 0xbc5e5ee2, 0x160b0b1d, 0xaddbdb76 |
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49 .word 0xdbe0e03b, 0x64323256, 0x743a3a4e, 0x140a0a1e |
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50 .word 0x924949db, 0x0c06060a, 0x4824246c, 0xb85c5ce4 |
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51 .word 0x9fc2c25d, 0xbdd3d36e, 0x43acacef, 0xc46262a6 |
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52 .word 0x399191a8, 0x319595a4, 0xd3e4e437, 0xf279798b |
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53 .word 0xd5e7e732, 0x8bc8c843, 0x6e373759, 0xda6d6db7 |
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54 .word 0x018d8d8c, 0xb1d5d564, 0x9c4e4ed2, 0x49a9a9e0 |
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55 .word 0xd86c6cb4, 0xac5656fa, 0xf3f4f407, 0xcfeaea25 |
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56 .word 0xca6565af, 0xf47a7a8e, 0x47aeaee9, 0x10080818 |
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57 .word 0x6fbabad5, 0xf0787888, 0x4a25256f, 0x5c2e2e72 |
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58 .word 0x381c1c24, 0x57a6a6f1, 0x73b4b4c7, 0x97c6c651 |
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59 .word 0xcbe8e823, 0xa1dddd7c, 0xe874749c, 0x3e1f1f21 |
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60 .word 0x964b4bdd, 0x61bdbddc, 0x0d8b8b86, 0x0f8a8a85 |
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61 .word 0xe0707090, 0x7c3e3e42, 0x71b5b5c4, 0xcc6666aa |
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62 .word 0x904848d8, 0x06030305, 0xf7f6f601, 0x1c0e0e12 |
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63 .word 0xc26161a3, 0x6a35355f, 0xae5757f9, 0x69b9b9d0 |
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64 .word 0x17868691, 0x99c1c158, 0x3a1d1d27, 0x279e9eb9 |
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65 .word 0xd9e1e138, 0xebf8f813, 0x2b9898b3, 0x22111133 |
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66 .word 0xd26969bb, 0xa9d9d970, 0x078e8e89, 0x339494a7 |
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67 .word 0x2d9b9bb6, 0x3c1e1e22, 0x15878792, 0xc9e9e920 |
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68 .word 0x87cece49, 0xaa5555ff, 0x50282878, 0xa5dfdf7a |
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69 .word 0x038c8c8f, 0x59a1a1f8, 0x09898980, 0x1a0d0d17 |
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70 .word 0x65bfbfda, 0xd7e6e631, 0x844242c6, 0xd06868b8 |
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71 .word 0x824141c3, 0x299999b0, 0x5a2d2d77, 0x1e0f0f11 |
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72 .word 0x7bb0b0cb, 0xa85454fc, 0x6dbbbbd6, 0x2c16163a |
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73 @ Te4[256] |
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74 .byte 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5 |
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75 .byte 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76 |
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76 .byte 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0 |
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77 .byte 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0 |
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78 .byte 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc |
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79 .byte 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15 |
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80 .byte 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a |
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81 .byte 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75 |
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82 .byte 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0 |
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83 .byte 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84 |
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84 .byte 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b |
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85 .byte 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf |
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86 .byte 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85 |
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87 .byte 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8 |
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88 .byte 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5 |
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89 .byte 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2 |
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90 .byte 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17 |
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91 .byte 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73 |
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92 .byte 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88 |
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93 .byte 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb |
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94 .byte 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c |
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95 .byte 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79 |
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96 .byte 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9 |
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97 .byte 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08 |
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98 .byte 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6 |
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99 .byte 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a |
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100 .byte 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e |
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101 .byte 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e |
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102 .byte 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94 |
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103 .byte 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf |
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104 .byte 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68 |
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105 .byte 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16 |
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106 @ rcon[] |
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107 .word 0x01000000, 0x02000000, 0x04000000, 0x08000000 |
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108 .word 0x10000000, 0x20000000, 0x40000000, 0x80000000 |
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109 .word 0x1B000000, 0x36000000, 0, 0, 0, 0, 0, 0 |
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110 .size AES_Te,.-AES_Te |
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111 |
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112 @ void AES_encrypt(const unsigned char *in, unsigned char *out, |
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113 @ const AES_KEY *key) { |
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114 .global AES_encrypt |
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115 .type AES_encrypt,%function |
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116 .align 5 |
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117 AES_encrypt: |
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118 sub r3,pc,#8 @ AES_encrypt |
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119 stmdb sp!,{r1,r4-r12,lr} |
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120 mov r12,r0 @ inp |
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121 mov r11,r2 |
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122 sub r10,r3,#AES_encrypt-AES_Te @ Te |
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123 #if __ARM_ARCH__<7 |
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124 ldrb r0,[r12,#3] @ load input data in endian-neutral |
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125 ldrb r4,[r12,#2] @ manner... |
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126 ldrb r5,[r12,#1] |
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127 ldrb r6,[r12,#0] |
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128 orr r0,r0,r4,lsl#8 |
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129 ldrb r1,[r12,#7] |
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130 orr r0,r0,r5,lsl#16 |
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131 ldrb r4,[r12,#6] |
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132 orr r0,r0,r6,lsl#24 |
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133 ldrb r5,[r12,#5] |
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134 ldrb r6,[r12,#4] |
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135 orr r1,r1,r4,lsl#8 |
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136 ldrb r2,[r12,#11] |
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137 orr r1,r1,r5,lsl#16 |
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138 ldrb r4,[r12,#10] |
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139 orr r1,r1,r6,lsl#24 |
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140 ldrb r5,[r12,#9] |
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141 ldrb r6,[r12,#8] |
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142 orr r2,r2,r4,lsl#8 |
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143 ldrb r3,[r12,#15] |
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144 orr r2,r2,r5,lsl#16 |
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145 ldrb r4,[r12,#14] |
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146 orr r2,r2,r6,lsl#24 |
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147 ldrb r5,[r12,#13] |
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148 ldrb r6,[r12,#12] |
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149 orr r3,r3,r4,lsl#8 |
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150 orr r3,r3,r5,lsl#16 |
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151 orr r3,r3,r6,lsl#24 |
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152 #else |
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153 ldr r0,[r12,#0] |
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154 ldr r1,[r12,#4] |
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155 ldr r2,[r12,#8] |
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156 ldr r3,[r12,#12] |
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157 #ifdef __ARMEL__ |
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158 rev r0,r0 |
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159 rev r1,r1 |
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160 rev r2,r2 |
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161 rev r3,r3 |
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162 #endif |
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163 #endif |
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164 bl _armv4_AES_encrypt |
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165 |
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166 ldr r12,[sp],#4 @ pop out |
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167 #if __ARM_ARCH__>=7 |
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168 #ifdef __ARMEL__ |
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169 rev r0,r0 |
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170 rev r1,r1 |
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171 rev r2,r2 |
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172 rev r3,r3 |
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173 #endif |
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174 str r0,[r12,#0] |
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175 str r1,[r12,#4] |
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176 str r2,[r12,#8] |
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177 str r3,[r12,#12] |
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178 #else |
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179 mov r4,r0,lsr#24 @ write output in endian-neutral |
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180 mov r5,r0,lsr#16 @ manner... |
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181 mov r6,r0,lsr#8 |
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182 strb r4,[r12,#0] |
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183 strb r5,[r12,#1] |
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184 mov r4,r1,lsr#24 |
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185 strb r6,[r12,#2] |
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186 mov r5,r1,lsr#16 |
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187 strb r0,[r12,#3] |
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188 mov r6,r1,lsr#8 |
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189 strb r4,[r12,#4] |
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190 strb r5,[r12,#5] |
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191 mov r4,r2,lsr#24 |
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192 strb r6,[r12,#6] |
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193 mov r5,r2,lsr#16 |
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194 strb r1,[r12,#7] |
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195 mov r6,r2,lsr#8 |
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196 strb r4,[r12,#8] |
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197 strb r5,[r12,#9] |
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198 mov r4,r3,lsr#24 |
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199 strb r6,[r12,#10] |
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200 mov r5,r3,lsr#16 |
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201 strb r2,[r12,#11] |
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202 mov r6,r3,lsr#8 |
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203 strb r4,[r12,#12] |
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204 strb r5,[r12,#13] |
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205 strb r6,[r12,#14] |
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206 strb r3,[r12,#15] |
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207 #endif |
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208 #if __ARM_ARCH__>=5 |
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209 ldmia sp!,{r4-r12,pc} |
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210 #else |
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211 ldmia sp!,{r4-r12,lr} |
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212 tst lr,#1 |
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213 moveq pc,lr @ be binary compatible with V4, yet |
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214 .word 0xe12fff1e @ interoperable with Thumb ISA:-) |
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215 #endif |
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216 .size AES_encrypt,.-AES_encrypt |
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217 |
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218 .type _armv4_AES_encrypt,%function |
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219 .align 2 |
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220 _armv4_AES_encrypt: |
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221 str lr,[sp,#-4]! @ push lr |
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222 ldmia r11!,{r4-r7} |
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223 eor r0,r0,r4 |
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224 ldr r12,[r11,#240-16] |
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225 eor r1,r1,r5 |
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226 eor r2,r2,r6 |
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227 eor r3,r3,r7 |
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228 sub r12,r12,#1 |
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229 mov lr,#255 |
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230 |
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231 and r7,lr,r0 |
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232 and r8,lr,r0,lsr#8 |
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233 and r9,lr,r0,lsr#16 |
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234 mov r0,r0,lsr#24 |
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235 .Lenc_loop: |
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236 ldr r4,[r10,r7,lsl#2] @ Te3[s0>>0] |
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237 and r7,lr,r1,lsr#16 @ i0 |
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238 ldr r5,[r10,r8,lsl#2] @ Te2[s0>>8] |
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239 and r8,lr,r1 |
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240 ldr r6,[r10,r9,lsl#2] @ Te1[s0>>16] |
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241 and r9,lr,r1,lsr#8 |
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242 ldr r0,[r10,r0,lsl#2] @ Te0[s0>>24] |
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243 mov r1,r1,lsr#24 |
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244 |
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245 ldr r7,[r10,r7,lsl#2] @ Te1[s1>>16] |
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246 ldr r8,[r10,r8,lsl#2] @ Te3[s1>>0] |
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247 ldr r9,[r10,r9,lsl#2] @ Te2[s1>>8] |
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248 eor r0,r0,r7,ror#8 |
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249 ldr r1,[r10,r1,lsl#2] @ Te0[s1>>24] |
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250 and r7,lr,r2,lsr#8 @ i0 |
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251 eor r5,r5,r8,ror#8 |
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252 and r8,lr,r2,lsr#16 @ i1 |
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253 eor r6,r6,r9,ror#8 |
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254 and r9,lr,r2 |
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255 ldr r7,[r10,r7,lsl#2] @ Te2[s2>>8] |
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256 eor r1,r1,r4,ror#24 |
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257 ldr r8,[r10,r8,lsl#2] @ Te1[s2>>16] |
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258 mov r2,r2,lsr#24 |
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259 |
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260 ldr r9,[r10,r9,lsl#2] @ Te3[s2>>0] |
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261 eor r0,r0,r7,ror#16 |
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262 ldr r2,[r10,r2,lsl#2] @ Te0[s2>>24] |
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263 and r7,lr,r3 @ i0 |
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264 eor r1,r1,r8,ror#8 |
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265 and r8,lr,r3,lsr#8 @ i1 |
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266 eor r6,r6,r9,ror#16 |
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267 and r9,lr,r3,lsr#16 @ i2 |
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268 ldr r7,[r10,r7,lsl#2] @ Te3[s3>>0] |
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269 eor r2,r2,r5,ror#16 |
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270 ldr r8,[r10,r8,lsl#2] @ Te2[s3>>8] |
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271 mov r3,r3,lsr#24 |
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272 |
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273 ldr r9,[r10,r9,lsl#2] @ Te1[s3>>16] |
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274 eor r0,r0,r7,ror#24 |
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275 ldr r7,[r11],#16 |
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276 eor r1,r1,r8,ror#16 |
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277 ldr r3,[r10,r3,lsl#2] @ Te0[s3>>24] |
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278 eor r2,r2,r9,ror#8 |
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279 ldr r4,[r11,#-12] |
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280 eor r3,r3,r6,ror#8 |
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281 |
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282 ldr r5,[r11,#-8] |
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283 eor r0,r0,r7 |
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284 ldr r6,[r11,#-4] |
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285 and r7,lr,r0 |
|
|
286 eor r1,r1,r4 |
|
|
287 and r8,lr,r0,lsr#8 |
|
|
288 eor r2,r2,r5 |
|
|
289 and r9,lr,r0,lsr#16 |
|
|
290 eor r3,r3,r6 |
|
|
291 mov r0,r0,lsr#24 |
|
|
292 |
|
|
293 subs r12,r12,#1 |
|
|
294 bne .Lenc_loop |
|
|
295 |
|
|
296 add r10,r10,#2 |
|
|
297 |
|
|
298 ldrb r4,[r10,r7,lsl#2] @ Te4[s0>>0] |
|
|
299 and r7,lr,r1,lsr#16 @ i0 |
|
|
300 ldrb r5,[r10,r8,lsl#2] @ Te4[s0>>8] |
|
|
301 and r8,lr,r1 |
|
|
302 ldrb r6,[r10,r9,lsl#2] @ Te4[s0>>16] |
|
|
303 and r9,lr,r1,lsr#8 |
|
|
304 ldrb r0,[r10,r0,lsl#2] @ Te4[s0>>24] |
|
|
305 mov r1,r1,lsr#24 |
|
|
306 |
|
|
307 ldrb r7,[r10,r7,lsl#2] @ Te4[s1>>16] |
|
|
308 ldrb r8,[r10,r8,lsl#2] @ Te4[s1>>0] |
|
|
309 ldrb r9,[r10,r9,lsl#2] @ Te4[s1>>8] |
|
|
310 eor r0,r7,r0,lsl#8 |
|
|
311 ldrb r1,[r10,r1,lsl#2] @ Te4[s1>>24] |
|
|
312 and r7,lr,r2,lsr#8 @ i0 |
|
|
313 eor r5,r8,r5,lsl#8 |
|
|
314 and r8,lr,r2,lsr#16 @ i1 |
|
|
315 eor r6,r9,r6,lsl#8 |
|
|
316 and r9,lr,r2 |
|
|
317 ldrb r7,[r10,r7,lsl#2] @ Te4[s2>>8] |
|
|
318 eor r1,r4,r1,lsl#24 |
|
|
319 ldrb r8,[r10,r8,lsl#2] @ Te4[s2>>16] |
|
|
320 mov r2,r2,lsr#24 |
|
|
321 |
|
|
322 ldrb r9,[r10,r9,lsl#2] @ Te4[s2>>0] |
|
|
323 eor r0,r7,r0,lsl#8 |
|
|
324 ldrb r2,[r10,r2,lsl#2] @ Te4[s2>>24] |
|
|
325 and r7,lr,r3 @ i0 |
|
|
326 eor r1,r1,r8,lsl#16 |
|
|
327 and r8,lr,r3,lsr#8 @ i1 |
|
|
328 eor r6,r9,r6,lsl#8 |
|
|
329 and r9,lr,r3,lsr#16 @ i2 |
|
|
330 ldrb r7,[r10,r7,lsl#2] @ Te4[s3>>0] |
|
|
331 eor r2,r5,r2,lsl#24 |
|
|
332 ldrb r8,[r10,r8,lsl#2] @ Te4[s3>>8] |
|
|
333 mov r3,r3,lsr#24 |
|
|
334 |
|
|
335 ldrb r9,[r10,r9,lsl#2] @ Te4[s3>>16] |
|
|
336 eor r0,r7,r0,lsl#8 |
|
|
337 ldr r7,[r11,#0] |
|
|
338 ldrb r3,[r10,r3,lsl#2] @ Te4[s3>>24] |
|
|
339 eor r1,r1,r8,lsl#8 |
|
|
340 ldr r4,[r11,#4] |
|
|
341 eor r2,r2,r9,lsl#16 |
|
|
342 ldr r5,[r11,#8] |
|
|
343 eor r3,r6,r3,lsl#24 |
|
|
344 ldr r6,[r11,#12] |
|
|
345 |
|
|
346 eor r0,r0,r7 |
|
|
347 eor r1,r1,r4 |
|
|
348 eor r2,r2,r5 |
|
|
349 eor r3,r3,r6 |
|
|
350 |
|
|
351 sub r10,r10,#2 |
|
|
352 ldr pc,[sp],#4 @ pop and return |
|
|
353 .size _armv4_AES_encrypt,.-_armv4_AES_encrypt |
|
|
354 |
|
|
355 .global private_AES_set_encrypt_key |
|
|
356 .type private_AES_set_encrypt_key,%function |
|
|
357 .align 5 |
|
|
358 private_AES_set_encrypt_key: |
|
|
359 _armv4_AES_set_encrypt_key: |
|
|
360 sub r3,pc,#8 @ AES_set_encrypt_key |
|
|
361 teq r0,#0 |
|
|
362 moveq r0,#-1 |
|
|
363 beq .Labrt |
|
|
364 teq r2,#0 |
|
|
365 moveq r0,#-1 |
|
|
366 beq .Labrt |
|
|
367 |
|
|
368 teq r1,#128 |
|
|
369 beq .Lok |
|
|
370 teq r1,#192 |
|
|
371 beq .Lok |
|
|
372 teq r1,#256 |
|
|
373 movne r0,#-1 |
|
|
374 bne .Labrt |
|
|
375 |
|
|
376 .Lok: stmdb sp!,{r4-r12,lr} |
|
|
377 sub r10,r3,#_armv4_AES_set_encrypt_key-AES_Te-1024 @ Te4 |
|
|
378 |
|
|
379 mov r12,r0 @ inp |
|
|
380 mov lr,r1 @ bits |
|
|
381 mov r11,r2 @ key |
|
|
382 |
|
|
383 #if __ARM_ARCH__<7 |
|
|
384 ldrb r0,[r12,#3] @ load input data in endian-neutral |
|
|
385 ldrb r4,[r12,#2] @ manner... |
|
|
386 ldrb r5,[r12,#1] |
|
|
387 ldrb r6,[r12,#0] |
|
|
388 orr r0,r0,r4,lsl#8 |
|
|
389 ldrb r1,[r12,#7] |
|
|
390 orr r0,r0,r5,lsl#16 |
|
|
391 ldrb r4,[r12,#6] |
|
|
392 orr r0,r0,r6,lsl#24 |
|
|
393 ldrb r5,[r12,#5] |
|
|
394 ldrb r6,[r12,#4] |
|
|
395 orr r1,r1,r4,lsl#8 |
|
|
396 ldrb r2,[r12,#11] |
|
|
397 orr r1,r1,r5,lsl#16 |
|
|
398 ldrb r4,[r12,#10] |
|
|
399 orr r1,r1,r6,lsl#24 |
|
|
400 ldrb r5,[r12,#9] |
|
|
401 ldrb r6,[r12,#8] |
|
|
402 orr r2,r2,r4,lsl#8 |
|
|
403 ldrb r3,[r12,#15] |
|
|
404 orr r2,r2,r5,lsl#16 |
|
|
405 ldrb r4,[r12,#14] |
|
|
406 orr r2,r2,r6,lsl#24 |
|
|
407 ldrb r5,[r12,#13] |
|
|
408 ldrb r6,[r12,#12] |
|
|
409 orr r3,r3,r4,lsl#8 |
|
|
410 str r0,[r11],#16 |
|
|
411 orr r3,r3,r5,lsl#16 |
|
|
412 str r1,[r11,#-12] |
|
|
413 orr r3,r3,r6,lsl#24 |
|
|
414 str r2,[r11,#-8] |
|
|
415 str r3,[r11,#-4] |
|
|
416 #else |
|
|
417 ldr r0,[r12,#0] |
|
|
418 ldr r1,[r12,#4] |
|
|
419 ldr r2,[r12,#8] |
|
|
420 ldr r3,[r12,#12] |
|
|
421 #ifdef __ARMEL__ |
|
|
422 rev r0,r0 |
|
|
423 rev r1,r1 |
|
|
424 rev r2,r2 |
|
|
425 rev r3,r3 |
|
|
426 #endif |
|
|
427 str r0,[r11],#16 |
|
|
428 str r1,[r11,#-12] |
|
|
429 str r2,[r11,#-8] |
|
|
430 str r3,[r11,#-4] |
|
|
431 #endif |
|
|
432 |
|
|
433 teq lr,#128 |
|
|
434 bne .Lnot128 |
|
|
435 mov r12,#10 |
|
|
436 str r12,[r11,#240-16] |
|
|
437 add r6,r10,#256 @ rcon |
|
|
438 mov lr,#255 |
|
|
439 |
|
|
440 .L128_loop: |
|
|
441 and r5,lr,r3,lsr#24 |
|
|
442 and r7,lr,r3,lsr#16 |
|
|
443 ldrb r5,[r10,r5] |
|
|
444 and r8,lr,r3,lsr#8 |
|
|
445 ldrb r7,[r10,r7] |
|
|
446 and r9,lr,r3 |
|
|
447 ldrb r8,[r10,r8] |
|
|
448 orr r5,r5,r7,lsl#24 |
|
|
449 ldrb r9,[r10,r9] |
|
|
450 orr r5,r5,r8,lsl#16 |
|
|
451 ldr r4,[r6],#4 @ rcon[i++] |
|
|
452 orr r5,r5,r9,lsl#8 |
|
|
453 eor r5,r5,r4 |
|
|
454 eor r0,r0,r5 @ rk[4]=rk[0]^... |
|
|
455 eor r1,r1,r0 @ rk[5]=rk[1]^rk[4] |
|
|
456 str r0,[r11],#16 |
|
|
457 eor r2,r2,r1 @ rk[6]=rk[2]^rk[5] |
|
|
458 str r1,[r11,#-12] |
|
|
459 eor r3,r3,r2 @ rk[7]=rk[3]^rk[6] |
|
|
460 str r2,[r11,#-8] |
|
|
461 subs r12,r12,#1 |
|
|
462 str r3,[r11,#-4] |
|
|
463 bne .L128_loop |
|
|
464 sub r2,r11,#176 |
|
|
465 b .Ldone |
|
|
466 |
|
|
467 .Lnot128: |
|
|
468 #if __ARM_ARCH__<7 |
|
|
469 ldrb r8,[r12,#19] |
|
|
470 ldrb r4,[r12,#18] |
|
|
471 ldrb r5,[r12,#17] |
|
|
472 ldrb r6,[r12,#16] |
|
|
473 orr r8,r8,r4,lsl#8 |
|
|
474 ldrb r9,[r12,#23] |
|
|
475 orr r8,r8,r5,lsl#16 |
|
|
476 ldrb r4,[r12,#22] |
|
|
477 orr r8,r8,r6,lsl#24 |
|
|
478 ldrb r5,[r12,#21] |
|
|
479 ldrb r6,[r12,#20] |
|
|
480 orr r9,r9,r4,lsl#8 |
|
|
481 orr r9,r9,r5,lsl#16 |
|
|
482 str r8,[r11],#8 |
|
|
483 orr r9,r9,r6,lsl#24 |
|
|
484 str r9,[r11,#-4] |
|
|
485 #else |
|
|
486 ldr r8,[r12,#16] |
|
|
487 ldr r9,[r12,#20] |
|
|
488 #ifdef __ARMEL__ |
|
|
489 rev r8,r8 |
|
|
490 rev r9,r9 |
|
|
491 #endif |
|
|
492 str r8,[r11],#8 |
|
|
493 str r9,[r11,#-4] |
|
|
494 #endif |
|
|
495 |
|
|
496 teq lr,#192 |
|
|
497 bne .Lnot192 |
|
|
498 mov r12,#12 |
|
|
499 str r12,[r11,#240-24] |
|
|
500 add r6,r10,#256 @ rcon |
|
|
501 mov lr,#255 |
|
|
502 mov r12,#8 |
|
|
503 |
|
|
504 .L192_loop: |
|
|
505 and r5,lr,r9,lsr#24 |
|
|
506 and r7,lr,r9,lsr#16 |
|
|
507 ldrb r5,[r10,r5] |
|
|
508 and r8,lr,r9,lsr#8 |
|
|
509 ldrb r7,[r10,r7] |
|
|
510 and r9,lr,r9 |
|
|
511 ldrb r8,[r10,r8] |
|
|
512 orr r5,r5,r7,lsl#24 |
|
|
513 ldrb r9,[r10,r9] |
|
|
514 orr r5,r5,r8,lsl#16 |
|
|
515 ldr r4,[r6],#4 @ rcon[i++] |
|
|
516 orr r5,r5,r9,lsl#8 |
|
|
517 eor r9,r5,r4 |
|
|
518 eor r0,r0,r9 @ rk[6]=rk[0]^... |
|
|
519 eor r1,r1,r0 @ rk[7]=rk[1]^rk[6] |
|
|
520 str r0,[r11],#24 |
|
|
521 eor r2,r2,r1 @ rk[8]=rk[2]^rk[7] |
|
|
522 str r1,[r11,#-20] |
|
|
523 eor r3,r3,r2 @ rk[9]=rk[3]^rk[8] |
|
|
524 str r2,[r11,#-16] |
|
|
525 subs r12,r12,#1 |
|
|
526 str r3,[r11,#-12] |
|
|
527 subeq r2,r11,#216 |
|
|
528 beq .Ldone |
|
|
529 |
|
|
530 ldr r7,[r11,#-32] |
|
|
531 ldr r8,[r11,#-28] |
|
|
532 eor r7,r7,r3 @ rk[10]=rk[4]^rk[9] |
|
|
533 eor r9,r8,r7 @ rk[11]=rk[5]^rk[10] |
|
|
534 str r7,[r11,#-8] |
|
|
535 str r9,[r11,#-4] |
|
|
536 b .L192_loop |
|
|
537 |
|
|
538 .Lnot192: |
|
|
539 #if __ARM_ARCH__<7 |
|
|
540 ldrb r8,[r12,#27] |
|
|
541 ldrb r4,[r12,#26] |
|
|
542 ldrb r5,[r12,#25] |
|
|
543 ldrb r6,[r12,#24] |
|
|
544 orr r8,r8,r4,lsl#8 |
|
|
545 ldrb r9,[r12,#31] |
|
|
546 orr r8,r8,r5,lsl#16 |
|
|
547 ldrb r4,[r12,#30] |
|
|
548 orr r8,r8,r6,lsl#24 |
|
|
549 ldrb r5,[r12,#29] |
|
|
550 ldrb r6,[r12,#28] |
|
|
551 orr r9,r9,r4,lsl#8 |
|
|
552 orr r9,r9,r5,lsl#16 |
|
|
553 str r8,[r11],#8 |
|
|
554 orr r9,r9,r6,lsl#24 |
|
|
555 str r9,[r11,#-4] |
|
|
556 #else |
|
|
557 ldr r8,[r12,#24] |
|
|
558 ldr r9,[r12,#28] |
|
|
559 #ifdef __ARMEL__ |
|
|
560 rev r8,r8 |
|
|
561 rev r9,r9 |
|
|
562 #endif |
|
|
563 str r8,[r11],#8 |
|
|
564 str r9,[r11,#-4] |
|
|
565 #endif |
|
|
566 |
|
|
567 mov r12,#14 |
|
|
568 str r12,[r11,#240-32] |
|
|
569 add r6,r10,#256 @ rcon |
|
|
570 mov lr,#255 |
|
|
571 mov r12,#7 |
|
|
572 |
|
|
573 .L256_loop: |
|
|
574 and r5,lr,r9,lsr#24 |
|
|
575 and r7,lr,r9,lsr#16 |
|
|
576 ldrb r5,[r10,r5] |
|
|
577 and r8,lr,r9,lsr#8 |
|
|
578 ldrb r7,[r10,r7] |
|
|
579 and r9,lr,r9 |
|
|
580 ldrb r8,[r10,r8] |
|
|
581 orr r5,r5,r7,lsl#24 |
|
|
582 ldrb r9,[r10,r9] |
|
|
583 orr r5,r5,r8,lsl#16 |
|
|
584 ldr r4,[r6],#4 @ rcon[i++] |
|
|
585 orr r5,r5,r9,lsl#8 |
|
|
586 eor r9,r5,r4 |
|
|
587 eor r0,r0,r9 @ rk[8]=rk[0]^... |
|
|
588 eor r1,r1,r0 @ rk[9]=rk[1]^rk[8] |
|
|
589 str r0,[r11],#32 |
|
|
590 eor r2,r2,r1 @ rk[10]=rk[2]^rk[9] |
|
|
591 str r1,[r11,#-28] |
|
|
592 eor r3,r3,r2 @ rk[11]=rk[3]^rk[10] |
|
|
593 str r2,[r11,#-24] |
|
|
594 subs r12,r12,#1 |
|
|
595 str r3,[r11,#-20] |
|
|
596 subeq r2,r11,#256 |
|
|
597 beq .Ldone |
|
|
598 |
|
|
599 and r5,lr,r3 |
|
|
600 and r7,lr,r3,lsr#8 |
|
|
601 ldrb r5,[r10,r5] |
|
|
602 and r8,lr,r3,lsr#16 |
|
|
603 ldrb r7,[r10,r7] |
|
|
604 and r9,lr,r3,lsr#24 |
|
|
605 ldrb r8,[r10,r8] |
|
|
606 orr r5,r5,r7,lsl#8 |
|
|
607 ldrb r9,[r10,r9] |
|
|
608 orr r5,r5,r8,lsl#16 |
|
|
609 ldr r4,[r11,#-48] |
|
|
610 orr r5,r5,r9,lsl#24 |
|
|
611 |
|
|
612 ldr r7,[r11,#-44] |
|
|
613 ldr r8,[r11,#-40] |
|
|
614 eor r4,r4,r5 @ rk[12]=rk[4]^... |
|
|
615 ldr r9,[r11,#-36] |
|
|
616 eor r7,r7,r4 @ rk[13]=rk[5]^rk[12] |
|
|
617 str r4,[r11,#-16] |
|
|
618 eor r8,r8,r7 @ rk[14]=rk[6]^rk[13] |
|
|
619 str r7,[r11,#-12] |
|
|
620 eor r9,r9,r8 @ rk[15]=rk[7]^rk[14] |
|
|
621 str r8,[r11,#-8] |
|
|
622 str r9,[r11,#-4] |
|
|
623 b .L256_loop |
|
|
624 |
|
|
625 .Ldone: mov r0,#0 |
|
|
626 ldmia sp!,{r4-r12,lr} |
|
|
627 .Labrt: tst lr,#1 |
|
|
628 moveq pc,lr @ be binary compatible with V4, yet |
|
|
629 .word 0xe12fff1e @ interoperable with Thumb ISA:-) |
|
|
630 .size private_AES_set_encrypt_key,.-private_AES_set_encrypt_key |
|
|
631 |
|
|
632 .global private_AES_set_decrypt_key |
|
|
633 .type private_AES_set_decrypt_key,%function |
|
|
634 .align 5 |
|
|
635 private_AES_set_decrypt_key: |
|
|
636 str lr,[sp,#-4]! @ push lr |
|
|
637 bl _armv4_AES_set_encrypt_key |
|
|
638 teq r0,#0 |
|
|
639 ldrne lr,[sp],#4 @ pop lr |
|
|
640 bne .Labrt |
|
|
641 |
|
|
642 stmdb sp!,{r4-r12} |
|
|
643 |
|
|
644 ldr r12,[r2,#240] @ AES_set_encrypt_key preserves r2, |
|
|
645 mov r11,r2 @ which is AES_KEY *key |
|
|
646 mov r7,r2 |
|
|
647 add r8,r2,r12,lsl#4 |
|
|
648 |
|
|
649 .Linv: ldr r0,[r7] |
|
|
650 ldr r1,[r7,#4] |
|
|
651 ldr r2,[r7,#8] |
|
|
652 ldr r3,[r7,#12] |
|
|
653 ldr r4,[r8] |
|
|
654 ldr r5,[r8,#4] |
|
|
655 ldr r6,[r8,#8] |
|
|
656 ldr r9,[r8,#12] |
|
|
657 str r0,[r8],#-16 |
|
|
658 str r1,[r8,#16+4] |
|
|
659 str r2,[r8,#16+8] |
|
|
660 str r3,[r8,#16+12] |
|
|
661 str r4,[r7],#16 |
|
|
662 str r5,[r7,#-12] |
|
|
663 str r6,[r7,#-8] |
|
|
664 str r9,[r7,#-4] |
|
|
665 teq r7,r8 |
|
|
666 bne .Linv |
|
|
667 ldr r0,[r11,#16]! @ prefetch tp1 |
|
|
668 mov r7,#0x80 |
|
|
669 mov r8,#0x1b |
|
|
670 orr r7,r7,#0x8000 |
|
|
671 orr r8,r8,#0x1b00 |
|
|
672 orr r7,r7,r7,lsl#16 |
|
|
673 orr r8,r8,r8,lsl#16 |
|
|
674 sub r12,r12,#1 |
|
|
675 mvn r9,r7 |
|
|
676 mov r12,r12,lsl#2 @ (rounds-1)*4 |
|
|
677 |
|
|
678 .Lmix: and r4,r0,r7 |
|
|
679 and r1,r0,r9 |
|
|
680 sub r4,r4,r4,lsr#7 |
|
|
681 and r4,r4,r8 |
|
|
682 eor r1,r4,r1,lsl#1 @ tp2 |
|
|
683 |
|
|
684 and r4,r1,r7 |
|
|
685 and r2,r1,r9 |
|
|
686 sub r4,r4,r4,lsr#7 |
|
|
687 and r4,r4,r8 |
|
|
688 eor r2,r4,r2,lsl#1 @ tp4 |
|
|
689 |
|
|
690 and r4,r2,r7 |
|
|
691 and r3,r2,r9 |
|
|
692 sub r4,r4,r4,lsr#7 |
|
|
693 and r4,r4,r8 |
|
|
694 eor r3,r4,r3,lsl#1 @ tp8 |
|
|
695 |
|
|
696 eor r4,r1,r2 |
|
|
697 eor r5,r0,r3 @ tp9 |
|
|
698 eor r4,r4,r3 @ tpe |
|
|
699 eor r4,r4,r1,ror#24 |
|
|
700 eor r4,r4,r5,ror#24 @ ^= ROTATE(tpb=tp9^tp2,8) |
|
|
701 eor r4,r4,r2,ror#16 |
|
|
702 eor r4,r4,r5,ror#16 @ ^= ROTATE(tpd=tp9^tp4,16) |
|
|
703 eor r4,r4,r5,ror#8 @ ^= ROTATE(tp9,24) |
|
|
704 |
|
|
705 ldr r0,[r11,#4] @ prefetch tp1 |
|
|
706 str r4,[r11],#4 |
|
|
707 subs r12,r12,#1 |
|
|
708 bne .Lmix |
|
|
709 |
|
|
710 mov r0,#0 |
|
|
711 #if __ARM_ARCH__>=5 |
|
|
712 ldmia sp!,{r4-r12,pc} |
|
|
713 #else |
|
|
714 ldmia sp!,{r4-r12,lr} |
|
|
715 tst lr,#1 |
|
|
716 moveq pc,lr @ be binary compatible with V4, yet |
|
|
717 .word 0xe12fff1e @ interoperable with Thumb ISA:-) |
|
|
718 #endif |
|
|
719 .size private_AES_set_decrypt_key,.-private_AES_set_decrypt_key |
|
|
720 |
|
|
721 .type AES_Td,%object |
|
|
722 .align 5 |
|
|
723 AES_Td: |
|
|
724 .word 0x51f4a750, 0x7e416553, 0x1a17a4c3, 0x3a275e96 |
|
|
725 .word 0x3bab6bcb, 0x1f9d45f1, 0xacfa58ab, 0x4be30393 |
|
|
726 .word 0x2030fa55, 0xad766df6, 0x88cc7691, 0xf5024c25 |
|
|
727 .word 0x4fe5d7fc, 0xc52acbd7, 0x26354480, 0xb562a38f |
|
|
728 .word 0xdeb15a49, 0x25ba1b67, 0x45ea0e98, 0x5dfec0e1 |
|
|
729 .word 0xc32f7502, 0x814cf012, 0x8d4697a3, 0x6bd3f9c6 |
|
|
730 .word 0x038f5fe7, 0x15929c95, 0xbf6d7aeb, 0x955259da |
|
|
731 .word 0xd4be832d, 0x587421d3, 0x49e06929, 0x8ec9c844 |
|
|
732 .word 0x75c2896a, 0xf48e7978, 0x99583e6b, 0x27b971dd |
|
|
733 .word 0xbee14fb6, 0xf088ad17, 0xc920ac66, 0x7dce3ab4 |
|
|
734 .word 0x63df4a18, 0xe51a3182, 0x97513360, 0x62537f45 |
|
|
735 .word 0xb16477e0, 0xbb6bae84, 0xfe81a01c, 0xf9082b94 |
|
|
736 .word 0x70486858, 0x8f45fd19, 0x94de6c87, 0x527bf8b7 |
|
|
737 .word 0xab73d323, 0x724b02e2, 0xe31f8f57, 0x6655ab2a |
|
|
738 .word 0xb2eb2807, 0x2fb5c203, 0x86c57b9a, 0xd33708a5 |
|
|
739 .word 0x302887f2, 0x23bfa5b2, 0x02036aba, 0xed16825c |
|
|
740 .word 0x8acf1c2b, 0xa779b492, 0xf307f2f0, 0x4e69e2a1 |
|
|
741 .word 0x65daf4cd, 0x0605bed5, 0xd134621f, 0xc4a6fe8a |
|
|
742 .word 0x342e539d, 0xa2f355a0, 0x058ae132, 0xa4f6eb75 |
|
|
743 .word 0x0b83ec39, 0x4060efaa, 0x5e719f06, 0xbd6e1051 |
|
|
744 .word 0x3e218af9, 0x96dd063d, 0xdd3e05ae, 0x4de6bd46 |
|
|
745 .word 0x91548db5, 0x71c45d05, 0x0406d46f, 0x605015ff |
|
|
746 .word 0x1998fb24, 0xd6bde997, 0x894043cc, 0x67d99e77 |
|
|
747 .word 0xb0e842bd, 0x07898b88, 0xe7195b38, 0x79c8eedb |
|
|
748 .word 0xa17c0a47, 0x7c420fe9, 0xf8841ec9, 0x00000000 |
|
|
749 .word 0x09808683, 0x322bed48, 0x1e1170ac, 0x6c5a724e |
|
|
750 .word 0xfd0efffb, 0x0f853856, 0x3daed51e, 0x362d3927 |
|
|
751 .word 0x0a0fd964, 0x685ca621, 0x9b5b54d1, 0x24362e3a |
|
|
752 .word 0x0c0a67b1, 0x9357e70f, 0xb4ee96d2, 0x1b9b919e |
|
|
753 .word 0x80c0c54f, 0x61dc20a2, 0x5a774b69, 0x1c121a16 |
|
|
754 .word 0xe293ba0a, 0xc0a02ae5, 0x3c22e043, 0x121b171d |
|
|
755 .word 0x0e090d0b, 0xf28bc7ad, 0x2db6a8b9, 0x141ea9c8 |
|
|
756 .word 0x57f11985, 0xaf75074c, 0xee99ddbb, 0xa37f60fd |
|
|
757 .word 0xf701269f, 0x5c72f5bc, 0x44663bc5, 0x5bfb7e34 |
|
|
758 .word 0x8b432976, 0xcb23c6dc, 0xb6edfc68, 0xb8e4f163 |
|
|
759 .word 0xd731dcca, 0x42638510, 0x13972240, 0x84c61120 |
|
|
760 .word 0x854a247d, 0xd2bb3df8, 0xaef93211, 0xc729a16d |
|
|
761 .word 0x1d9e2f4b, 0xdcb230f3, 0x0d8652ec, 0x77c1e3d0 |
|
|
762 .word 0x2bb3166c, 0xa970b999, 0x119448fa, 0x47e96422 |
|
|
763 .word 0xa8fc8cc4, 0xa0f03f1a, 0x567d2cd8, 0x223390ef |
|
|
764 .word 0x87494ec7, 0xd938d1c1, 0x8ccaa2fe, 0x98d40b36 |
|
|
765 .word 0xa6f581cf, 0xa57ade28, 0xdab78e26, 0x3fadbfa4 |
|
|
766 .word 0x2c3a9de4, 0x5078920d, 0x6a5fcc9b, 0x547e4662 |
|
|
767 .word 0xf68d13c2, 0x90d8b8e8, 0x2e39f75e, 0x82c3aff5 |
|
|
768 .word 0x9f5d80be, 0x69d0937c, 0x6fd52da9, 0xcf2512b3 |
|
|
769 .word 0xc8ac993b, 0x10187da7, 0xe89c636e, 0xdb3bbb7b |
|
|
770 .word 0xcd267809, 0x6e5918f4, 0xec9ab701, 0x834f9aa8 |
|
|
771 .word 0xe6956e65, 0xaaffe67e, 0x21bccf08, 0xef15e8e6 |
|
|
772 .word 0xbae79bd9, 0x4a6f36ce, 0xea9f09d4, 0x29b07cd6 |
|
|
773 .word 0x31a4b2af, 0x2a3f2331, 0xc6a59430, 0x35a266c0 |
|
|
774 .word 0x744ebc37, 0xfc82caa6, 0xe090d0b0, 0x33a7d815 |
|
|
775 .word 0xf104984a, 0x41ecdaf7, 0x7fcd500e, 0x1791f62f |
|
|
776 .word 0x764dd68d, 0x43efb04d, 0xccaa4d54, 0xe49604df |
|
|
777 .word 0x9ed1b5e3, 0x4c6a881b, 0xc12c1fb8, 0x4665517f |
|
|
778 .word 0x9d5eea04, 0x018c355d, 0xfa877473, 0xfb0b412e |
|
|
779 .word 0xb3671d5a, 0x92dbd252, 0xe9105633, 0x6dd64713 |
|
|
780 .word 0x9ad7618c, 0x37a10c7a, 0x59f8148e, 0xeb133c89 |
|
|
781 .word 0xcea927ee, 0xb761c935, 0xe11ce5ed, 0x7a47b13c |
|
|
782 .word 0x9cd2df59, 0x55f2733f, 0x1814ce79, 0x73c737bf |
|
|
783 .word 0x53f7cdea, 0x5ffdaa5b, 0xdf3d6f14, 0x7844db86 |
|
|
784 .word 0xcaaff381, 0xb968c43e, 0x3824342c, 0xc2a3405f |
|
|
785 .word 0x161dc372, 0xbce2250c, 0x283c498b, 0xff0d9541 |
|
|
786 .word 0x39a80171, 0x080cb3de, 0xd8b4e49c, 0x6456c190 |
|
|
787 .word 0x7bcb8461, 0xd532b670, 0x486c5c74, 0xd0b85742 |
|
|
788 @ Td4[256] |
|
|
789 .byte 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38 |
|
|
790 .byte 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb |
|
|
791 .byte 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87 |
|
|
792 .byte 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb |
|
|
793 .byte 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d |
|
|
794 .byte 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e |
|
|
795 .byte 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2 |
|
|
796 .byte 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25 |
|
|
797 .byte 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16 |
|
|
798 .byte 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92 |
|
|
799 .byte 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda |
|
|
800 .byte 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84 |
|
|
801 .byte 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a |
|
|
802 .byte 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06 |
|
|
803 .byte 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02 |
|
|
804 .byte 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b |
|
|
805 .byte 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea |
|
|
806 .byte 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73 |
|
|
807 .byte 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85 |
|
|
808 .byte 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e |
|
|
809 .byte 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89 |
|
|
810 .byte 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b |
|
|
811 .byte 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20 |
|
|
812 .byte 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4 |
|
|
813 .byte 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31 |
|
|
814 .byte 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f |
|
|
815 .byte 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d |
|
|
816 .byte 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef |
|
|
817 .byte 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0 |
|
|
818 .byte 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61 |
|
|
819 .byte 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26 |
|
|
820 .byte 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d |
|
|
821 .size AES_Td,.-AES_Td |
|
|
822 |
|
|
823 @ void AES_decrypt(const unsigned char *in, unsigned char *out, |
|
|
824 @ const AES_KEY *key) { |
|
|
825 .global AES_decrypt |
|
|
826 .type AES_decrypt,%function |
|
|
827 .align 5 |
|
|
828 AES_decrypt: |
|
|
829 sub r3,pc,#8 @ AES_decrypt |
|
|
830 stmdb sp!,{r1,r4-r12,lr} |
|
|
831 mov r12,r0 @ inp |
|
|
832 mov r11,r2 |
|
|
833 sub r10,r3,#AES_decrypt-AES_Td @ Td |
|
|
834 #if __ARM_ARCH__<7 |
|
|
835 ldrb r0,[r12,#3] @ load input data in endian-neutral |
|
|
836 ldrb r4,[r12,#2] @ manner... |
|
|
837 ldrb r5,[r12,#1] |
|
|
838 ldrb r6,[r12,#0] |
|
|
839 orr r0,r0,r4,lsl#8 |
|
|
840 ldrb r1,[r12,#7] |
|
|
841 orr r0,r0,r5,lsl#16 |
|
|
842 ldrb r4,[r12,#6] |
|
|
843 orr r0,r0,r6,lsl#24 |
|
|
844 ldrb r5,[r12,#5] |
|
|
845 ldrb r6,[r12,#4] |
|
|
846 orr r1,r1,r4,lsl#8 |
|
|
847 ldrb r2,[r12,#11] |
|
|
848 orr r1,r1,r5,lsl#16 |
|
|
849 ldrb r4,[r12,#10] |
|
|
850 orr r1,r1,r6,lsl#24 |
|
|
851 ldrb r5,[r12,#9] |
|
|
852 ldrb r6,[r12,#8] |
|
|
853 orr r2,r2,r4,lsl#8 |
|
|
854 ldrb r3,[r12,#15] |
|
|
855 orr r2,r2,r5,lsl#16 |
|
|
856 ldrb r4,[r12,#14] |
|
|
857 orr r2,r2,r6,lsl#24 |
|
|
858 ldrb r5,[r12,#13] |
|
|
859 ldrb r6,[r12,#12] |
|
|
860 orr r3,r3,r4,lsl#8 |
|
|
861 orr r3,r3,r5,lsl#16 |
|
|
862 orr r3,r3,r6,lsl#24 |
|
|
863 #else |
|
|
864 ldr r0,[r12,#0] |
|
|
865 ldr r1,[r12,#4] |
|
|
866 ldr r2,[r12,#8] |
|
|
867 ldr r3,[r12,#12] |
|
|
868 #ifdef __ARMEL__ |
|
|
869 rev r0,r0 |
|
|
870 rev r1,r1 |
|
|
871 rev r2,r2 |
|
|
872 rev r3,r3 |
|
|
873 #endif |
|
|
874 #endif |
|
|
875 bl _armv4_AES_decrypt |
|
|
876 |
|
|
877 ldr r12,[sp],#4 @ pop out |
|
|
878 #if __ARM_ARCH__>=7 |
|
|
879 #ifdef __ARMEL__ |
|
|
880 rev r0,r0 |
|
|
881 rev r1,r1 |
|
|
882 rev r2,r2 |
|
|
883 rev r3,r3 |
|
|
884 #endif |
|
|
885 str r0,[r12,#0] |
|
|
886 str r1,[r12,#4] |
|
|
887 str r2,[r12,#8] |
|
|
888 str r3,[r12,#12] |
|
|
889 #else |
|
|
890 mov r4,r0,lsr#24 @ write output in endian-neutral |
|
|
891 mov r5,r0,lsr#16 @ manner... |
|
|
892 mov r6,r0,lsr#8 |
|
|
893 strb r4,[r12,#0] |
|
|
894 strb r5,[r12,#1] |
|
|
895 mov r4,r1,lsr#24 |
|
|
896 strb r6,[r12,#2] |
|
|
897 mov r5,r1,lsr#16 |
|
|
898 strb r0,[r12,#3] |
|
|
899 mov r6,r1,lsr#8 |
|
|
900 strb r4,[r12,#4] |
|
|
901 strb r5,[r12,#5] |
|
|
902 mov r4,r2,lsr#24 |
|
|
903 strb r6,[r12,#6] |
|
|
904 mov r5,r2,lsr#16 |
|
|
905 strb r1,[r12,#7] |
|
|
906 mov r6,r2,lsr#8 |
|
|
907 strb r4,[r12,#8] |
|
|
908 strb r5,[r12,#9] |
|
|
909 mov r4,r3,lsr#24 |
|
|
910 strb r6,[r12,#10] |
|
|
911 mov r5,r3,lsr#16 |
|
|
912 strb r2,[r12,#11] |
|
|
913 mov r6,r3,lsr#8 |
|
|
914 strb r4,[r12,#12] |
|
|
915 strb r5,[r12,#13] |
|
|
916 strb r6,[r12,#14] |
|
|
917 strb r3,[r12,#15] |
|
|
918 #endif |
|
|
919 #if __ARM_ARCH__>=5 |
|
|
920 ldmia sp!,{r4-r12,pc} |
|
|
921 #else |
|
|
922 ldmia sp!,{r4-r12,lr} |
|
|
923 tst lr,#1 |
|
|
924 moveq pc,lr @ be binary compatible with V4, yet |
|
|
925 .word 0xe12fff1e @ interoperable with Thumb ISA:-) |
|
|
926 #endif |
|
|
927 .size AES_decrypt,.-AES_decrypt |
|
|
928 |
|
|
929 .type _armv4_AES_decrypt,%function |
|
|
930 .align 2 |
|
|
931 _armv4_AES_decrypt: |
|
|
932 str lr,[sp,#-4]! @ push lr |
|
|
933 ldmia r11!,{r4-r7} |
|
|
934 eor r0,r0,r4 |
|
|
935 ldr r12,[r11,#240-16] |
|
|
936 eor r1,r1,r5 |
|
|
937 eor r2,r2,r6 |
|
|
938 eor r3,r3,r7 |
|
|
939 sub r12,r12,#1 |
|
|
940 mov lr,#255 |
|
|
941 |
|
|
942 and r7,lr,r0,lsr#16 |
|
|
943 and r8,lr,r0,lsr#8 |
|
|
944 and r9,lr,r0 |
|
|
945 mov r0,r0,lsr#24 |
|
|
946 .Ldec_loop: |
|
|
947 ldr r4,[r10,r7,lsl#2] @ Td1[s0>>16] |
|
|
948 and r7,lr,r1 @ i0 |
|
|
949 ldr r5,[r10,r8,lsl#2] @ Td2[s0>>8] |
|
|
950 and r8,lr,r1,lsr#16 |
|
|
951 ldr r6,[r10,r9,lsl#2] @ Td3[s0>>0] |
|
|
952 and r9,lr,r1,lsr#8 |
|
|
953 ldr r0,[r10,r0,lsl#2] @ Td0[s0>>24] |
|
|
954 mov r1,r1,lsr#24 |
|
|
955 |
|
|
956 ldr r7,[r10,r7,lsl#2] @ Td3[s1>>0] |
|
|
957 ldr r8,[r10,r8,lsl#2] @ Td1[s1>>16] |
|
|
958 ldr r9,[r10,r9,lsl#2] @ Td2[s1>>8] |
|
|
959 eor r0,r0,r7,ror#24 |
|
|
960 ldr r1,[r10,r1,lsl#2] @ Td0[s1>>24] |
|
|
961 and r7,lr,r2,lsr#8 @ i0 |
|
|
962 eor r5,r8,r5,ror#8 |
|
|
963 and r8,lr,r2 @ i1 |
|
|
964 eor r6,r9,r6,ror#8 |
|
|
965 and r9,lr,r2,lsr#16 |
|
|
966 ldr r7,[r10,r7,lsl#2] @ Td2[s2>>8] |
|
|
967 eor r1,r1,r4,ror#8 |
|
|
968 ldr r8,[r10,r8,lsl#2] @ Td3[s2>>0] |
|
|
969 mov r2,r2,lsr#24 |
|
|
970 |
|
|
971 ldr r9,[r10,r9,lsl#2] @ Td1[s2>>16] |
|
|
972 eor r0,r0,r7,ror#16 |
|
|
973 ldr r2,[r10,r2,lsl#2] @ Td0[s2>>24] |
|
|
974 and r7,lr,r3,lsr#16 @ i0 |
|
|
975 eor r1,r1,r8,ror#24 |
|
|
976 and r8,lr,r3,lsr#8 @ i1 |
|
|
977 eor r6,r9,r6,ror#8 |
|
|
978 and r9,lr,r3 @ i2 |
|
|
979 ldr r7,[r10,r7,lsl#2] @ Td1[s3>>16] |
|
|
980 eor r2,r2,r5,ror#8 |
|
|
981 ldr r8,[r10,r8,lsl#2] @ Td2[s3>>8] |
|
|
982 mov r3,r3,lsr#24 |
|
|
983 |
|
|
984 ldr r9,[r10,r9,lsl#2] @ Td3[s3>>0] |
|
|
985 eor r0,r0,r7,ror#8 |
|
|
986 ldr r7,[r11],#16 |
|
|
987 eor r1,r1,r8,ror#16 |
|
|
988 ldr r3,[r10,r3,lsl#2] @ Td0[s3>>24] |
|
|
989 eor r2,r2,r9,ror#24 |
|
|
990 |
|
|
991 ldr r4,[r11,#-12] |
|
|
992 eor r0,r0,r7 |
|
|
993 ldr r5,[r11,#-8] |
|
|
994 eor r3,r3,r6,ror#8 |
|
|
995 ldr r6,[r11,#-4] |
|
|
996 and r7,lr,r0,lsr#16 |
|
|
997 eor r1,r1,r4 |
|
|
998 and r8,lr,r0,lsr#8 |
|
|
999 eor r2,r2,r5 |
|
|
1000 and r9,lr,r0 |
|
|
1001 eor r3,r3,r6 |
|
|
1002 mov r0,r0,lsr#24 |
|
|
1003 |
|
|
1004 subs r12,r12,#1 |
|
|
1005 bne .Ldec_loop |
|
|
1006 |
|
|
1007 add r10,r10,#1024 |
|
|
1008 |
|
|
1009 ldr r5,[r10,#0] @ prefetch Td4 |
|
|
1010 ldr r6,[r10,#32] |
|
|
1011 ldr r4,[r10,#64] |
|
|
1012 ldr r5,[r10,#96] |
|
|
1013 ldr r6,[r10,#128] |
|
|
1014 ldr r4,[r10,#160] |
|
|
1015 ldr r5,[r10,#192] |
|
|
1016 ldr r6,[r10,#224] |
|
|
1017 |
|
|
1018 ldrb r0,[r10,r0] @ Td4[s0>>24] |
|
|
1019 ldrb r4,[r10,r7] @ Td4[s0>>16] |
|
|
1020 and r7,lr,r1 @ i0 |
|
|
1021 ldrb r5,[r10,r8] @ Td4[s0>>8] |
|
|
1022 and r8,lr,r1,lsr#16 |
|
|
1023 ldrb r6,[r10,r9] @ Td4[s0>>0] |
|
|
1024 and r9,lr,r1,lsr#8 |
|
|
1025 |
|
|
1026 ldrb r7,[r10,r7] @ Td4[s1>>0] |
|
|
1027 ldrb r1,[r10,r1,lsr#24] @ Td4[s1>>24] |
|
|
1028 ldrb r8,[r10,r8] @ Td4[s1>>16] |
|
|
1029 eor r0,r7,r0,lsl#24 |
|
|
1030 ldrb r9,[r10,r9] @ Td4[s1>>8] |
|
|
1031 eor r1,r4,r1,lsl#8 |
|
|
1032 and r7,lr,r2,lsr#8 @ i0 |
|
|
1033 eor r5,r5,r8,lsl#8 |
|
|
1034 and r8,lr,r2 @ i1 |
|
|
1035 ldrb r7,[r10,r7] @ Td4[s2>>8] |
|
|
1036 eor r6,r6,r9,lsl#8 |
|
|
1037 ldrb r8,[r10,r8] @ Td4[s2>>0] |
|
|
1038 and r9,lr,r2,lsr#16 |
|
|
1039 |
|
|
1040 ldrb r2,[r10,r2,lsr#24] @ Td4[s2>>24] |
|
|
1041 eor r0,r0,r7,lsl#8 |
|
|
1042 ldrb r9,[r10,r9] @ Td4[s2>>16] |
|
|
1043 eor r1,r8,r1,lsl#16 |
|
|
1044 and r7,lr,r3,lsr#16 @ i0 |
|
|
1045 eor r2,r5,r2,lsl#16 |
|
|
1046 and r8,lr,r3,lsr#8 @ i1 |
|
|
1047 ldrb r7,[r10,r7] @ Td4[s3>>16] |
|
|
1048 eor r6,r6,r9,lsl#16 |
|
|
1049 ldrb r8,[r10,r8] @ Td4[s3>>8] |
|
|
1050 and r9,lr,r3 @ i2 |
|
|
1051 |
|
|
1052 ldrb r9,[r10,r9] @ Td4[s3>>0] |
|
|
1053 ldrb r3,[r10,r3,lsr#24] @ Td4[s3>>24] |
|
|
1054 eor r0,r0,r7,lsl#16 |
|
|
1055 ldr r7,[r11,#0] |
|
|
1056 eor r1,r1,r8,lsl#8 |
|
|
1057 ldr r4,[r11,#4] |
|
|
1058 eor r2,r9,r2,lsl#8 |
|
|
1059 ldr r5,[r11,#8] |
|
|
1060 eor r3,r6,r3,lsl#24 |
|
|
1061 ldr r6,[r11,#12] |
|
|
1062 |
|
|
1063 eor r0,r0,r7 |
|
|
1064 eor r1,r1,r4 |
|
|
1065 eor r2,r2,r5 |
|
|
1066 eor r3,r3,r6 |
|
|
1067 |
|
|
1068 sub r10,r10,#1024 |
|
|
1069 ldr pc,[sp],#4 @ pop and return |
|
|
1070 .size _armv4_AES_decrypt,.-_armv4_AES_decrypt |
|
|
1071 .asciz "AES for ARMv4, CRYPTOGAMS by <[email protected]>" |
|
|
1072 .align 2 |
