[crypto,base64] use lookup tables
This commit is contained in:
akallabeth
parent
a93658cd06
commit
87ee8f5b77
@ -23,8 +23,284 @@
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#include <freerdp/crypto/crypto.h>
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#include <freerdp/crypto/crypto.h>
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static const char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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static const char enc_base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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static const char base64url[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_";
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static const char enc_base64url[] =
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"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_";
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static const char dec_base64url[] = {
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-1, /* 0 000 00 00000000 NUL � Null character */
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-1, /* 1 001 01 00000001 SOH  Start of Heading */
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-1, /* 2 002 02 00000010 STX  Start of Text */
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-1, /* 3 003 03 00000011 ETX  End of Text */
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-1, /* 4 004 04 00000100 EOT  End of Transmission */
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-1, /* 5 005 05 00000101 ENQ  Enquiry */
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-1, /* 6 006 06 00000110 ACK  Acknowledge */
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-1, /* 7 007 07 00000111 BEL  Bell, Alert */
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-1, /* 8 010 08 00001000 BS  Backspace */
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-1, /* 9 011 09 00001001 HT 	 Horizontal Tab */
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-1, /* 10 012 0A 00001010 LF Line Feed */
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-1, /* 11 013 0B 00001011 VT  Vertical Tabulation */
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-1, /* 12 014 0C 00001100 FF  Form Feed */
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-1, /* 13 015 0D 00001101 CR Carriage Return */
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-1, /* 14 016 0E 00001110 SO  Shift Out */
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-1, /* 15 017 0F 00001111 SI  Shift In */
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-1, /* 16 020 10 00010000 DLE  Data Link Escape */
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-1, /* 17 021 11 00010001 DC1  Device Control One (XON) */
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-1, /* 18 022 12 00010010 DC2  Device Control Two */
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-1, /* 19 023 13 00010011 DC3  Device Control Three (XOFF) */
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-1, /* 20 024 14 00010100 DC4  Device Control Four */
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-1, /* 21 025 15 00010101 NAK  Negative Acknowledge */
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-1, /* 22 026 16 00010110 SYN  Synchronous Idle */
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-1, /* 23 027 17 00010111 ETB  End of Transmission Block */
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-1, /* 24 030 18 00011000 CAN  Cancel */
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-1, /* 25 031 19 00011001 EM  End of medium */
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-1, /* 26 032 1A 00011010 SUB  Substitute */
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-1, /* 27 033 1B 00011011 ESC  Escape */
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-1, /* 28 034 1C 00011100 FS  File Separator */
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-1, /* 29 035 1D 00011101 GS  Group Separator */
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-1, /* 30 036 1E 00011110 RS  Record Separator */
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-1, /* 31 037 1F 00011111 US  Unit Separator */
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-1, /* 32 040 20 00100000 SP   Space */
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-1, /* 33 041 21 00100001 ! ! ! Exclamation mark */
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-1, /* 34 042 22 00100010 " " " Double quotes (or speech marks) */
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-1, /* 35 043 23 00100011 # # # Number sign */
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-1, /* 36 044 24 00100100 $ $ $ Dollar */
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-1, /* 37 045 25 00100101 % % % Per cent sign */
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-1, /* 38 046 26 00100110 & & & Ampersand */
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-1, /* 39 047 27 00100111 ' ' ' Single quote */
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-1, /* 40 050 28 00101000 ( ( &lparen; Open parenthesis (or open
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* bracket)
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*/
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-1, /* 41 051 29 00101001 ) ) &rparen; Close parenthesis (or close
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* bracket)
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*/
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-1, /* 42 052 2A 00101010 * * * Asterisk */
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-1, /* 43 053 2B 00101011 + + + Plus */
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-1, /* 44 054 2C 00101100 , , , Comma */
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62, /* 45 055 2D 00101101 - - Hyphen-minus */
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-1, /* 46 056 2E 00101110 . . . Period, dot or full stop */
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-1, /* 47 057 2F 00101111 / / / Slash or divide */
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52, /* 48 060 30 00110000 0 0 Zero */
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53, /* 49 061 31 00110001 1 1 One */
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54, /* 50 062 32 00110010 2 2 Two */
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55, /* 51 063 33 00110011 3 3 Three */
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56, /* 52 064 34 00110100 4 4 Four */
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57, /* 53 065 35 00110101 5 5 Five */
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58, /* 54 066 36 00110110 6 6 Six */
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59, /* 55 067 37 00110111 7 7 Seven */
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60, /* 56 070 38 00111000 8 8 Eight */
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61, /* 57 071 39 00111001 9 9 Nine */
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-1, /* 58 072 3A 00111010 : : : Colon */
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-1, /* 59 073 3B 00111011 ; ; ; Semicolon */
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-1, /* 60 074 3C 00111100 < < < Less than (or open angled bracket)
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*/
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-1, /* 61 075 3D 00111101 = = = Equals */
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-1, /* 62 076 3E 00111110 > > > Greater than (or close angled
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* bracket)
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*/
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-1, /* 63 077 3F 00111111 ? ? ? Question mark */
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-1, /* 64 100 40 01000000 @ @ @ At sign */
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0, /* 65 101 41 01000001 A A Uppercase A */
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1, /* 66 102 42 01000010 B B Uppercase B */
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2, /* 67 103 43 01000011 C C Uppercase C */
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3, /* 68 104 44 01000100 D D Uppercase D */
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4, /* 69 105 45 01000101 E E Uppercase E */
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5, /* 70 106 46 01000110 F F Uppercase F */
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6, /* 71 107 47 01000111 G G Uppercase G */
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7, /* 72 110 48 01001000 H H Uppercase H */
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8, /* 73 111 49 01001001 I I Uppercase I */
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9, /* 74 112 4A 01001010 J J Uppercase J */
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10, /* 75 113 4B 01001011 K K Uppercase K */
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11, /* 76 114 4C 01001100 L L Uppercase L */
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12, /* 77 115 4D 01001101 M M Uppercase M */
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13, /* 78 116 4E 01001110 N N Uppercase N */
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14, /* 79 117 4F 01001111 O O Uppercase O */
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15, /* 80 120 50 01010000 P P Uppercase P */
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16, /* 81 121 51 01010001 Q Q Uppercase Q */
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17, /* 82 122 52 01010010 R R Uppercase R */
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18, /* 83 123 53 01010011 S S Uppercase S */
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19, /* 84 124 54 01010100 T T Uppercase T */
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20, /* 85 125 55 01010101 U U Uppercase U */
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21, /* 86 126 56 01010110 V V Uppercase V */
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22, /* 87 127 57 01010111 W W Uppercase W */
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23, /* 88 130 58 01011000 X X Uppercase X */
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24, /* 89 131 59 01011001 Y Y Uppercase Y */
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25, /* 90 132 5A 01011010 Z Z Uppercase Z */
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-1, /* 91 133 5B 01011011 [ [ [ Opening bracket */
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-1, /* 92 134 5C 01011100 \ \ \ Backslash */
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-1, /* 93 135 5D 01011101 ] ] ] Closing bracket */
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-1, /* 94 136 5E 01011110 ^ ^ ^ Caret - circumflex */
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63, /* 95 137 5F 01011111 _ _ _ Underscore */
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-1, /* 96 140 60 01100000 ` ` ` Grave accent */
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26, /* 97 141 61 01100001 a a Lowercase a */
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27, /* 98 142 62 01100010 b b Lowercase b */
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28, /* 99 143 63 01100011 c c Lowercase c */
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29, /* 100 144 64 01100100 d d Lowercase d */
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30, /* 101 145 65 01100101 e e Lowercase e */
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31, /* 102 146 66 01100110 f f Lowercase f */
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32, /* 103 147 67 01100111 g g Lowercase g */
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33, /* 104 150 68 01101000 h h Lowercase h */
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34, /* 105 151 69 01101001 i i Lowercase i */
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35, /* 106 152 6A 01101010 j j Lowercase j */
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36, /* 107 153 6B 01101011 k k Lowercase k */
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37, /* 108 154 6C 01101100 l l Lowercase l */
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38, /* 109 155 6D 01101101 m m Lowercase m */
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39, /* 110 156 6E 01101110 n n Lowercase n */
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40, /* 111 157 6F 01101111 o o Lowercase o */
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41, /* 112 160 70 01110000 p p Lowercase p */
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42, /* 113 161 71 01110001 q q Lowercase q */
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43, /* 114 162 72 01110010 r r Lowercase r */
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44, /* 115 163 73 01110011 s s Lowercase s */
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45, /* 116 164 74 01110100 t t Lowercase t */
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46, /* 117 165 75 01110101 u u Lowercase u */
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47, /* 118 166 76 01110110 v v Lowercase v */
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48, /* 119 167 77 01110111 w w Lowercase w */
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49, /* 120 170 78 01111000 x x Lowercase x */
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50, /* 121 171 79 01111001 y y Lowercase y */
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51, /* 122 172 7A 01111010 z z Lowercase z */
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-1, /* 123 173 7B 01111011 { { { Opening brace */
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-1, /* 124 174 7C 01111100 | | | Vertical bar */
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-1, /* 125 175 7D 01111101 } } } Closing brace */
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-1, /* 126 176 7E 01111110 ~ ~ ˜ Equivalency sign - tilde */
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-1, /* 127 177 7F 01111111 DEL  Delete */
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};
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static const char dec_base64[] = {
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-1, /* 0 000 00 00000000 NUL � Null character */
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-1, /* 1 001 01 00000001 SOH  Start of Heading */
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-1, /* 2 002 02 00000010 STX  Start of Text */
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-1, /* 3 003 03 00000011 ETX  End of Text */
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-1, /* 4 004 04 00000100 EOT  End of Transmission */
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-1, /* 5 005 05 00000101 ENQ  Enquiry */
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-1, /* 6 006 06 00000110 ACK  Acknowledge */
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-1, /* 7 007 07 00000111 BEL  Bell, Alert */
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-1, /* 8 010 08 00001000 BS  Backspace */
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-1, /* 9 011 09 00001001 HT 	 Horizontal Tab */
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-1, /* 10 012 0A 00001010 LF Line Feed */
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-1, /* 11 013 0B 00001011 VT  Vertical Tabulation */
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-1, /* 12 014 0C 00001100 FF  Form Feed */
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-1, /* 13 015 0D 00001101 CR Carriage Return */
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-1, /* 14 016 0E 00001110 SO  Shift Out */
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-1, /* 15 017 0F 00001111 SI  Shift In */
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-1, /* 16 020 10 00010000 DLE  Data Link Escape */
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-1, /* 17 021 11 00010001 DC1  Device Control One (XON) */
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-1, /* 18 022 12 00010010 DC2  Device Control Two */
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-1, /* 19 023 13 00010011 DC3  Device Control Three (XOFF) */
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-1, /* 20 024 14 00010100 DC4  Device Control Four */
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-1, /* 21 025 15 00010101 NAK  Negative Acknowledge */
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-1, /* 22 026 16 00010110 SYN  Synchronous Idle */
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-1, /* 23 027 17 00010111 ETB  End of Transmission Block */
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-1, /* 24 030 18 00011000 CAN  Cancel */
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-1, /* 25 031 19 00011001 EM  End of medium */
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-1, /* 26 032 1A 00011010 SUB  Substitute */
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-1, /* 27 033 1B 00011011 ESC  Escape */
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-1, /* 28 034 1C 00011100 FS  File Separator */
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-1, /* 29 035 1D 00011101 GS  Group Separator */
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-1, /* 30 036 1E 00011110 RS  Record Separator */
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-1, /* 31 037 1F 00011111 US  Unit Separator */
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-1, /* 32 040 20 00100000 SP   Space */
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-1, /* 33 041 21 00100001 ! ! ! Exclamation mark */
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-1, /* 34 042 22 00100010 " " " Double quotes (or speech marks) */
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-1, /* 35 043 23 00100011 # # # Number sign */
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-1, /* 36 044 24 00100100 $ $ $ Dollar */
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-1, /* 37 045 25 00100101 % % % Per cent sign */
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-1, /* 38 046 26 00100110 & & & Ampersand */
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-1, /* 39 047 27 00100111 ' ' ' Single quote */
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-1, /* 40 050 28 00101000 ( ( &lparen; Open parenthesis (or open
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* bracket)
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*/
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-1, /* 41 051 29 00101001 ) ) &rparen; Close parenthesis (or close
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* bracket)
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*/
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-1, /* 42 052 2A 00101010 * * * Asterisk */
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62, /* 43 053 2B 00101011 + + + Plus */
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-1, /* 44 054 2C 00101100 , , , Comma */
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-1, /* 45 055 2D 00101101 - - Hyphen-minus */
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-1, /* 46 056 2E 00101110 . . . Period, dot or full stop */
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63, /* 47 057 2F 00101111 / / / Slash or divide */
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52, /* 48 060 30 00110000 0 0 Zero */
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53, /* 49 061 31 00110001 1 1 One */
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54, /* 50 062 32 00110010 2 2 Two */
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55, /* 51 063 33 00110011 3 3 Three */
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56, /* 52 064 34 00110100 4 4 Four */
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57, /* 53 065 35 00110101 5 5 Five */
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58, /* 54 066 36 00110110 6 6 Six */
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59, /* 55 067 37 00110111 7 7 Seven */
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60, /* 56 070 38 00111000 8 8 Eight */
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61, /* 57 071 39 00111001 9 9 Nine */
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-1, /* 58 072 3A 00111010 : : : Colon */
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-1, /* 59 073 3B 00111011 ; ; ; Semicolon */
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-1, /* 60 074 3C 00111100 < < < Less than (or open angled bracket)
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*/
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-1, /* 61 075 3D 00111101 = = = Equals */
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-1, /* 62 076 3E 00111110 > > > Greater than (or close angled
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* bracket)
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*/
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-1, /* 63 077 3F 00111111 ? ? ? Question mark */
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-1, /* 64 100 40 01000000 @ @ @ At sign */
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0, /* 65 101 41 01000001 A A Uppercase A */
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1, /* 66 102 42 01000010 B B Uppercase B */
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2, /* 67 103 43 01000011 C C Uppercase C */
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3, /* 68 104 44 01000100 D D Uppercase D */
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4, /* 69 105 45 01000101 E E Uppercase E */
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5, /* 70 106 46 01000110 F F Uppercase F */
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6, /* 71 107 47 01000111 G G Uppercase G */
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7, /* 72 110 48 01001000 H H Uppercase H */
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8, /* 73 111 49 01001001 I I Uppercase I */
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9, /* 74 112 4A 01001010 J J Uppercase J */
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10, /* 75 113 4B 01001011 K K Uppercase K */
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11, /* 76 114 4C 01001100 L L Uppercase L */
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12, /* 77 115 4D 01001101 M M Uppercase M */
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13, /* 78 116 4E 01001110 N N Uppercase N */
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14, /* 79 117 4F 01001111 O O Uppercase O */
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15, /* 80 120 50 01010000 P P Uppercase P */
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16, /* 81 121 51 01010001 Q Q Uppercase Q */
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17, /* 82 122 52 01010010 R R Uppercase R */
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18, /* 83 123 53 01010011 S S Uppercase S */
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19, /* 84 124 54 01010100 T T Uppercase T */
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20, /* 85 125 55 01010101 U U Uppercase U */
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21, /* 86 126 56 01010110 V V Uppercase V */
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22, /* 87 127 57 01010111 W W Uppercase W */
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23, /* 88 130 58 01011000 X X Uppercase X */
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24, /* 89 131 59 01011001 Y Y Uppercase Y */
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25, /* 90 132 5A 01011010 Z Z Uppercase Z */
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-1, /* 91 133 5B 01011011 [ [ [ Opening bracket */
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-1, /* 92 134 5C 01011100 \ \ \ Backslash */
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-1, /* 93 135 5D 01011101 ] ] ] Closing bracket */
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-1, /* 94 136 5E 01011110 ^ ^ ^ Caret - circumflex */
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-1, /* 95 137 5F 01011111 _ _ _ Underscore */
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-1, /* 96 140 60 01100000 ` ` ` Grave accent */
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26, /* 97 141 61 01100001 a a Lowercase a */
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27, /* 98 142 62 01100010 b b Lowercase b */
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28, /* 99 143 63 01100011 c c Lowercase c */
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29, /* 100 144 64 01100100 d d Lowercase d */
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30, /* 101 145 65 01100101 e e Lowercase e */
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31, /* 102 146 66 01100110 f f Lowercase f */
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32, /* 103 147 67 01100111 g g Lowercase g */
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33, /* 104 150 68 01101000 h h Lowercase h */
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34, /* 105 151 69 01101001 i i Lowercase i */
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35, /* 106 152 6A 01101010 j j Lowercase j */
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36, /* 107 153 6B 01101011 k k Lowercase k */
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37, /* 108 154 6C 01101100 l l Lowercase l */
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38, /* 109 155 6D 01101101 m m Lowercase m */
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39, /* 110 156 6E 01101110 n n Lowercase n */
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40, /* 111 157 6F 01101111 o o Lowercase o */
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41, /* 112 160 70 01110000 p p Lowercase p */
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42, /* 113 161 71 01110001 q q Lowercase q */
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43, /* 114 162 72 01110010 r r Lowercase r */
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44, /* 115 163 73 01110011 s s Lowercase s */
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45, /* 116 164 74 01110100 t t Lowercase t */
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46, /* 117 165 75 01110101 u u Lowercase u */
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47, /* 118 166 76 01110110 v v Lowercase v */
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48, /* 119 167 77 01110111 w w Lowercase w */
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49, /* 120 170 78 01111000 x x Lowercase x */
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50, /* 121 171 79 01111001 y y Lowercase y */
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51, /* 122 172 7A 01111010 z z Lowercase z */
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||||||
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-1, /* 123 173 7B 01111011 { { { Opening brace */
|
||||||
|
-1, /* 124 174 7C 01111100 | | | Vertical bar */
|
||||||
|
-1, /* 125 175 7D 01111101 } } } Closing brace */
|
||||||
|
-1, /* 126 176 7E 01111110 ~ ~ ˜ Equivalency sign - tilde */
|
||||||
|
-1, /* 127 177 7F 01111111 DEL  Delete */
|
||||||
|
};
|
||||||
|
|
||||||
static INLINE char* base64_encode_ex(const char* WINPR_RESTRICT alphabet,
|
static INLINE char* base64_encode_ex(const char* WINPR_RESTRICT alphabet,
|
||||||
const BYTE* WINPR_RESTRICT data, size_t length, BOOL pad,
|
const BYTE* WINPR_RESTRICT data, size_t length, BOOL pad,
|
||||||
@ -123,15 +399,10 @@ static INLINE char* base64_encode(const char* WINPR_RESTRICT alphabet,
|
|||||||
|
|
||||||
static INLINE int base64_decode_char(const char* WINPR_RESTRICT alphabet, char c)
|
static INLINE int base64_decode_char(const char* WINPR_RESTRICT alphabet, char c)
|
||||||
{
|
{
|
||||||
char* p = NULL;
|
if (c <= '\0')
|
||||||
|
|
||||||
if (c == '\0')
|
|
||||||
return -1;
|
return -1;
|
||||||
|
|
||||||
if ((p = strchr(alphabet, c)))
|
return alphabet[c];
|
||||||
return p - alphabet;
|
|
||||||
|
|
||||||
return -1;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
static INLINE void* base64_decode(const char* WINPR_RESTRICT alphabet, const char* WINPR_RESTRICT s,
|
static INLINE void* base64_decode(const char* WINPR_RESTRICT alphabet, const char* WINPR_RESTRICT s,
|
||||||
@ -227,27 +498,27 @@ out_free:
|
|||||||
|
|
||||||
char* crypto_base64_encode_ex(const BYTE* WINPR_RESTRICT data, size_t length, BOOL withCrLf)
|
char* crypto_base64_encode_ex(const BYTE* WINPR_RESTRICT data, size_t length, BOOL withCrLf)
|
||||||
{
|
{
|
||||||
return base64_encode_ex(base64, data, length, TRUE, withCrLf, 64);
|
return base64_encode_ex(enc_base64, data, length, TRUE, withCrLf, 64);
|
||||||
}
|
}
|
||||||
|
|
||||||
char* crypto_base64_encode(const BYTE* WINPR_RESTRICT data, size_t length)
|
char* crypto_base64_encode(const BYTE* WINPR_RESTRICT data, size_t length)
|
||||||
{
|
{
|
||||||
return base64_encode(base64, data, length, TRUE);
|
return base64_encode(enc_base64, data, length, TRUE);
|
||||||
}
|
}
|
||||||
|
|
||||||
void crypto_base64_decode(const char* WINPR_RESTRICT enc_data, size_t length,
|
void crypto_base64_decode(const char* WINPR_RESTRICT enc_data, size_t length,
|
||||||
BYTE** WINPR_RESTRICT dec_data, size_t* WINPR_RESTRICT res_length)
|
BYTE** WINPR_RESTRICT dec_data, size_t* WINPR_RESTRICT res_length)
|
||||||
{
|
{
|
||||||
*dec_data = base64_decode(base64, enc_data, length, res_length, TRUE);
|
*dec_data = base64_decode(dec_base64, enc_data, length, res_length, TRUE);
|
||||||
}
|
}
|
||||||
|
|
||||||
char* crypto_base64url_encode(const BYTE* WINPR_RESTRICT data, size_t length)
|
char* crypto_base64url_encode(const BYTE* WINPR_RESTRICT data, size_t length)
|
||||||
{
|
{
|
||||||
return base64_encode(base64url, data, length, FALSE);
|
return base64_encode(enc_base64url, data, length, FALSE);
|
||||||
}
|
}
|
||||||
|
|
||||||
void crypto_base64url_decode(const char* WINPR_RESTRICT enc_data, size_t length,
|
void crypto_base64url_decode(const char* WINPR_RESTRICT enc_data, size_t length,
|
||||||
BYTE** WINPR_RESTRICT dec_data, size_t* WINPR_RESTRICT res_length)
|
BYTE** WINPR_RESTRICT dec_data, size_t* WINPR_RESTRICT res_length)
|
||||||
{
|
{
|
||||||
*dec_data = base64_decode(base64url, enc_data, length, res_length, FALSE);
|
*dec_data = base64_decode(dec_base64url, enc_data, length, res_length, FALSE);
|
||||||
}
|
}
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user