1 | ;;;; message-digest-int.scm |
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2 | ;;;; Kon Lovett, Jan '06 (message-digest.scm) |
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3 | ;;;; Kon Lovett, May '10 (message-digest.scm) |
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4 | ;;;; Kon Lovett, Apr '12 |
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5 | ;;;; Kon Lovett, Aug '17 |
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6 | |
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7 | ;; Issues |
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8 | |
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9 | (module message-digest-int |
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10 | |
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11 | (;export |
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12 | message-digest-update-char-u8 |
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13 | message-digest-update-char |
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14 | message-digest-update-char-be |
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15 | message-digest-update-char-le |
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16 | message-digest-update-u8 |
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17 | message-digest-update-u16 |
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18 | message-digest-update-u16-be |
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19 | message-digest-update-u16-le |
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20 | message-digest-update-u32 |
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21 | message-digest-update-u32-be |
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22 | message-digest-update-u32-le |
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23 | message-digest-update-u64 |
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24 | message-digest-update-u64-be |
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25 | message-digest-update-u64-le) |
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26 | |
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27 | (import scheme chicken) |
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28 | (use |
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29 | (only type-checks |
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30 | check-integer check-char) |
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31 | (only type-errors |
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32 | error-argument-type) |
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33 | message-digest-type |
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34 | message-digest-support |
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35 | blob-set-int |
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36 | typed-define) |
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37 | |
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38 | ;;; Support |
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39 | |
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40 | ;; |
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41 | |
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42 | (include "message-digest-types") |
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43 | |
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44 | ;; |
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45 | |
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46 | (define: (get-byte-order (loc symbol) (obj *)) --> symbol |
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47 | (case obj |
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48 | ((big-endian be big msb) 'big-endian ) |
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49 | ((little-endian le little lsb) 'little-endian ) |
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50 | (else |
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51 | (error-argument-type loc obj "symbol in {big-endian little-endian}" obj) ) ) ) |
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52 | |
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53 | ;; |
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54 | |
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55 | (define: (*message-digest-update-uint (loc symbol) (md message-digest) (n number) (size fixnum) (setter procedure)) -> void |
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56 | (let ( |
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57 | (blb (setup-message-digest-buffer! (check-message-digest loc md) size)) ) |
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58 | (setter blb (check-integer loc n) 0) |
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59 | (*message-digest-update-blob md blb size) ) ) |
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60 | |
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61 | ;;; Char & Integer Update |
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62 | |
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63 | ;; Char |
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64 | |
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65 | (define: (message-digest-update-char-u8 (md message-digest) (ch char)) -> void |
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66 | (*message-digest-update-uint 'message-digest-update-char-u8 |
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67 | md |
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68 | (char->integer (check-char 'message-digest-update-char-u8 ch)) |
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69 | 1 |
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70 | *blob-set-u8!) ) |
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71 | |
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72 | (define: (message-digest-update-char-be (md message-digest) (ch char)) -> void |
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73 | (*message-digest-update-uint 'message-digest-update-char-be |
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74 | md |
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75 | (char->integer (check-char 'message-digest-update-char ch)) |
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76 | 4 |
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77 | *blob-set-u32-be!) ) |
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78 | |
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79 | (define: (message-digest-update-char-le (md message-digest) (ch char)) -> void |
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80 | (*message-digest-update-uint 'message-digest-update-char-le |
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81 | md |
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82 | (char->integer (check-char 'message-digest-update-char ch)) |
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83 | 4 |
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84 | *blob-set-u32-le!) ) |
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85 | |
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86 | ;; Unsigned Integer 8, 16, 32, & 64 bits |
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87 | |
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88 | (define: (message-digest-update-u8 (md message-digest) (n number)) -> void |
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89 | (*message-digest-update-uint 'message-digest-update-u8 md n 1 *blob-set-u8!) ) |
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90 | |
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91 | (define: (message-digest-update-u16-be (md message-digest) (n number)) -> void |
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92 | (*message-digest-update-uint 'message-digest-update-u16-be md n 2 *blob-set-u16-be!) ) |
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93 | |
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94 | (define: (message-digest-update-u16-le (md message-digest) (n number)) -> void |
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95 | (*message-digest-update-uint 'message-digest-update-u16-le md n 2 *blob-set-u16-le!) ) |
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96 | |
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97 | (define: (message-digest-update-u32-be (md message-digest) (n number)) -> void |
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98 | (*message-digest-update-uint 'message-digest-update-u32-be md n 4 *blob-set-u32-be!) ) |
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99 | |
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100 | (define: (message-digest-update-u32-le (md message-digest) (n number)) -> void |
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101 | (*message-digest-update-uint 'message-digest-update-u32-le md n 4 *blob-set-u32-le!) ) |
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102 | |
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103 | (define: (message-digest-update-u64-be (md message-digest) (n number)) -> void |
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104 | (*message-digest-update-uint 'message-digest-update-u64-be md n 8 *blob-set-u64-be!) ) |
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105 | |
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106 | (define: (message-digest-update-u64-le (md message-digest) (n number)) -> void |
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107 | (*message-digest-update-uint 'message-digest-update-u64-le md n 8 *blob-set-u64-le!) ) |
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108 | |
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109 | ;; Machine Byte Order w/ Char & Unsigned Integer |
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110 | |
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111 | (define: (message-digest-update-char (md message-digest) (ch char) . (opts (list-of symbol))) -> void |
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112 | (let ( |
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113 | (order (optional opts (machine-byte-order))) ) |
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114 | (case (get-byte-order 'message-digest-update-char order) |
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115 | ((little-endian) (message-digest-update-char-le md ch) ) |
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116 | ((big-endian) (message-digest-update-char-be md ch) ) ) ) ) |
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117 | |
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118 | (define: (message-digest-update-u16 (md message-digest) (n number) . (opts (list-of symbol))) -> void |
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119 | (let ( |
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120 | (order (optional opts (machine-byte-order))) ) |
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121 | (case (get-byte-order 'message-digest-update-u16 order) |
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122 | ((little-endian) (message-digest-update-u16-le md n) ) |
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123 | ((big-endian) (message-digest-update-u16-be md n) ) ) ) ) |
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124 | |
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125 | (define: (message-digest-update-u32 (md message-digest) (n number) . (opts (list-of symbol))) -> void |
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126 | (let ( |
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127 | (order (optional opts (machine-byte-order))) ) |
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128 | (case (get-byte-order 'message-digest-update-u32 order) |
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129 | ((little-endian) (message-digest-update-u32-le md n) ) |
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130 | ((big-endian) (message-digest-update-u32-be md n) ) ) ) ) |
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131 | |
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132 | (define: (message-digest-update-u64 (md message-digest) (n number) . (opts (list-of symbol))) -> void |
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133 | (let ( |
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134 | (order (optional opts (machine-byte-order))) ) |
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135 | (case (get-byte-order 'message-digest-update-u64 order) |
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136 | ((little-endian) (message-digest-update-u64-le md n) ) |
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137 | ((big-endian) (message-digest-update-u64-be md n) ) ) ) ) |
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138 | |
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139 | ) ;module message-digest-int |
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