1 /* 2 Implementation by the Keccak, Keyak and Ketje Teams, namely, Guido Bertoni, 3 Joan Daemen, Michal Peeters, Gilles Van Assche and Ronny Van Keer, hereby 4 denoted as "the implementer". 5 6 For more information, feedback or questions, please refer to our websites: 7 http://keccak.noekeon.org/ 8 http://keyak.noekeon.org/ 9 http://ketje.noekeon.org/ 10 11 To the extent possible under law, the implementer has waived all copyright 12 and related or neighboring rights to the source code in this file. 13 http://creativecommons.org/publicdomain/zero/1.0/ 14 */ 15 16 #if (defined(FullUnrolling)) 17 #define rounds24 \ 18 prepareTheta \ 19 thetaRhoPiChiIotaPrepareTheta( 0, A, E) \ 20 thetaRhoPiChiIotaPrepareTheta( 1, E, A) \ 21 thetaRhoPiChiIotaPrepareTheta( 2, A, E) \ 22 thetaRhoPiChiIotaPrepareTheta( 3, E, A) \ 23 thetaRhoPiChiIotaPrepareTheta( 4, A, E) \ 24 thetaRhoPiChiIotaPrepareTheta( 5, E, A) \ 25 thetaRhoPiChiIotaPrepareTheta( 6, A, E) \ 26 thetaRhoPiChiIotaPrepareTheta( 7, E, A) \ 27 thetaRhoPiChiIotaPrepareTheta( 8, A, E) \ 28 thetaRhoPiChiIotaPrepareTheta( 9, E, A) \ 29 thetaRhoPiChiIotaPrepareTheta(10, A, E) \ 30 thetaRhoPiChiIotaPrepareTheta(11, E, A) \ 31 thetaRhoPiChiIotaPrepareTheta(12, A, E) \ 32 thetaRhoPiChiIotaPrepareTheta(13, E, A) \ 33 thetaRhoPiChiIotaPrepareTheta(14, A, E) \ 34 thetaRhoPiChiIotaPrepareTheta(15, E, A) \ 35 thetaRhoPiChiIotaPrepareTheta(16, A, E) \ 36 thetaRhoPiChiIotaPrepareTheta(17, E, A) \ 37 thetaRhoPiChiIotaPrepareTheta(18, A, E) \ 38 thetaRhoPiChiIotaPrepareTheta(19, E, A) \ 39 thetaRhoPiChiIotaPrepareTheta(20, A, E) \ 40 thetaRhoPiChiIotaPrepareTheta(21, E, A) \ 41 thetaRhoPiChiIotaPrepareTheta(22, A, E) \ 42 thetaRhoPiChiIota(23, E, A) \ 43 44 #define rounds12 \ 45 prepareTheta \ 46 thetaRhoPiChiIotaPrepareTheta(12, A, E) \ 47 thetaRhoPiChiIotaPrepareTheta(13, E, A) \ 48 thetaRhoPiChiIotaPrepareTheta(14, A, E) \ 49 thetaRhoPiChiIotaPrepareTheta(15, E, A) \ 50 thetaRhoPiChiIotaPrepareTheta(16, A, E) \ 51 thetaRhoPiChiIotaPrepareTheta(17, E, A) \ 52 thetaRhoPiChiIotaPrepareTheta(18, A, E) \ 53 thetaRhoPiChiIotaPrepareTheta(19, E, A) \ 54 thetaRhoPiChiIotaPrepareTheta(20, A, E) \ 55 thetaRhoPiChiIotaPrepareTheta(21, E, A) \ 56 thetaRhoPiChiIotaPrepareTheta(22, A, E) \ 57 thetaRhoPiChiIota(23, E, A) \ 58 59 #elif (Unrolling == 12) 60 #define rounds24 \ 61 prepareTheta \ 62 for(i=0; i<24; i+=12) { \ 63 thetaRhoPiChiIotaPrepareTheta(i , A, E) \ 64 thetaRhoPiChiIotaPrepareTheta(i+ 1, E, A) \ 65 thetaRhoPiChiIotaPrepareTheta(i+ 2, A, E) \ 66 thetaRhoPiChiIotaPrepareTheta(i+ 3, E, A) \ 67 thetaRhoPiChiIotaPrepareTheta(i+ 4, A, E) \ 68 thetaRhoPiChiIotaPrepareTheta(i+ 5, E, A) \ 69 thetaRhoPiChiIotaPrepareTheta(i+ 6, A, E) \ 70 thetaRhoPiChiIotaPrepareTheta(i+ 7, E, A) \ 71 thetaRhoPiChiIotaPrepareTheta(i+ 8, A, E) \ 72 thetaRhoPiChiIotaPrepareTheta(i+ 9, E, A) \ 73 thetaRhoPiChiIotaPrepareTheta(i+10, A, E) \ 74 thetaRhoPiChiIotaPrepareTheta(i+11, E, A) \ 75 } \ 76 77 #define rounds12 \ 78 prepareTheta \ 79 thetaRhoPiChiIotaPrepareTheta(12, A, E) \ 80 thetaRhoPiChiIotaPrepareTheta(13, E, A) \ 81 thetaRhoPiChiIotaPrepareTheta(14, A, E) \ 82 thetaRhoPiChiIotaPrepareTheta(15, E, A) \ 83 thetaRhoPiChiIotaPrepareTheta(16, A, E) \ 84 thetaRhoPiChiIotaPrepareTheta(17, E, A) \ 85 thetaRhoPiChiIotaPrepareTheta(18, A, E) \ 86 thetaRhoPiChiIotaPrepareTheta(19, E, A) \ 87 thetaRhoPiChiIotaPrepareTheta(20, A, E) \ 88 thetaRhoPiChiIotaPrepareTheta(21, E, A) \ 89 thetaRhoPiChiIotaPrepareTheta(22, A, E) \ 90 thetaRhoPiChiIota(23, E, A) \ 91 92 #elif (Unrolling == 6) 93 #define rounds24 \ 94 prepareTheta \ 95 for(i=0; i<24; i+=6) { \ 96 thetaRhoPiChiIotaPrepareTheta(i , A, E) \ 97 thetaRhoPiChiIotaPrepareTheta(i+1, E, A) \ 98 thetaRhoPiChiIotaPrepareTheta(i+2, A, E) \ 99 thetaRhoPiChiIotaPrepareTheta(i+3, E, A) \ 100 thetaRhoPiChiIotaPrepareTheta(i+4, A, E) \ 101 thetaRhoPiChiIotaPrepareTheta(i+5, E, A) \ 102 } \ 103 104 #define rounds12 \ 105 prepareTheta \ 106 for(i=12; i<24; i+=6) { \ 107 thetaRhoPiChiIotaPrepareTheta(i , A, E) \ 108 thetaRhoPiChiIotaPrepareTheta(i+1, E, A) \ 109 thetaRhoPiChiIotaPrepareTheta(i+2, A, E) \ 110 thetaRhoPiChiIotaPrepareTheta(i+3, E, A) \ 111 thetaRhoPiChiIotaPrepareTheta(i+4, A, E) \ 112 thetaRhoPiChiIotaPrepareTheta(i+5, E, A) \ 113 } \ 114 115 #elif (Unrolling == 4) 116 #define rounds24 \ 117 prepareTheta \ 118 for(i=0; i<24; i+=4) { \ 119 thetaRhoPiChiIotaPrepareTheta(i , A, E) \ 120 thetaRhoPiChiIotaPrepareTheta(i+1, E, A) \ 121 thetaRhoPiChiIotaPrepareTheta(i+2, A, E) \ 122 thetaRhoPiChiIotaPrepareTheta(i+3, E, A) \ 123 } \ 124 125 #define rounds12 \ 126 prepareTheta \ 127 for(i=12; i<24; i+=4) { \ 128 thetaRhoPiChiIotaPrepareTheta(i , A, E) \ 129 thetaRhoPiChiIotaPrepareTheta(i+1, E, A) \ 130 thetaRhoPiChiIotaPrepareTheta(i+2, A, E) \ 131 thetaRhoPiChiIotaPrepareTheta(i+3, E, A) \ 132 } \ 133 134 #elif (Unrolling == 3) 135 #define rounds24 \ 136 prepareTheta \ 137 for(i=0; i<24; i+=3) { \ 138 thetaRhoPiChiIotaPrepareTheta(i , A, E) \ 139 thetaRhoPiChiIotaPrepareTheta(i+1, E, A) \ 140 thetaRhoPiChiIotaPrepareTheta(i+2, A, E) \ 141 copyStateVariables(A, E) \ 142 } \ 143 144 #define rounds12 \ 145 prepareTheta \ 146 for(i=12; i<24; i+=3) { \ 147 thetaRhoPiChiIotaPrepareTheta(i , A, E) \ 148 thetaRhoPiChiIotaPrepareTheta(i+1, E, A) \ 149 thetaRhoPiChiIotaPrepareTheta(i+2, A, E) \ 150 copyStateVariables(A, E) \ 151 } \ 152 153 #elif (Unrolling == 2) 154 #define rounds24 \ 155 prepareTheta \ 156 for(i=0; i<24; i+=2) { \ 157 thetaRhoPiChiIotaPrepareTheta(i , A, E) \ 158 thetaRhoPiChiIotaPrepareTheta(i+1, E, A) \ 159 } \ 160 161 #define rounds12 \ 162 prepareTheta \ 163 for(i=12; i<24; i+=2) { \ 164 thetaRhoPiChiIotaPrepareTheta(i , A, E) \ 165 thetaRhoPiChiIotaPrepareTheta(i+1, E, A) \ 166 } \ 167 168 #elif (Unrolling == 1) 169 #define rounds24 \ 170 prepareTheta \ 171 for(i=0; i<24; i++) { \ 172 thetaRhoPiChiIotaPrepareTheta(i , A, E) \ 173 copyStateVariables(A, E) \ 174 } \ 175 176 #define rounds12 \ 177 prepareTheta \ 178 for(i=12; i<24; i++) { \ 179 thetaRhoPiChiIotaPrepareTheta(i , A, E) \ 180 copyStateVariables(A, E) \ 181 } \ 182 183 #else 184 #error "Unrolling is not correctly specified!" 185 #endif 186
