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| 1 | +// SPDX-License-Identifier: GPL-2.0-or-later |
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1 | 2 | /* |
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2 | 3 | * Glue Code for 3-way parallel assembler optimized version of Twofish |
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3 | 4 | * |
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4 | 5 | * Copyright (c) 2011 Jussi Kivilinna <jussi.kivilinna@mbnet.fi> |
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5 | | - * |
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6 | | - * This program is free software; you can redistribute it and/or modify |
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7 | | - * it under the terms of the GNU General Public License as published by |
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8 | | - * the Free Software Foundation; either version 2 of the License, or |
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9 | | - * (at your option) any later version. |
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10 | | - * |
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11 | | - * This program is distributed in the hope that it will be useful, |
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12 | | - * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | | - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | | - * GNU General Public License for more details. |
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15 | | - * |
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16 | | - * You should have received a copy of the GNU General Public License |
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17 | | - * along with this program; if not, write to the Free Software |
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18 | | - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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19 | | - * USA |
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20 | | - * |
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21 | 6 | */ |
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22 | 7 | |
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23 | 8 | #include <asm/crypto/glue_helper.h> |
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.. | .. |
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40 | 25 | return twofish_setkey(&tfm->base, key, keylen); |
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41 | 26 | } |
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42 | 27 | |
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43 | | -static inline void twofish_enc_blk_3way(struct twofish_ctx *ctx, u8 *dst, |
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44 | | - const u8 *src) |
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| 28 | +static inline void twofish_enc_blk_3way(const void *ctx, u8 *dst, const u8 *src) |
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45 | 29 | { |
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46 | 30 | __twofish_enc_blk_3way(ctx, dst, src, false); |
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47 | 31 | } |
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48 | 32 | |
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49 | | -static inline void twofish_enc_blk_xor_3way(struct twofish_ctx *ctx, u8 *dst, |
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| 33 | +static inline void twofish_enc_blk_xor_3way(const void *ctx, u8 *dst, |
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50 | 34 | const u8 *src) |
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51 | 35 | { |
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52 | 36 | __twofish_enc_blk_3way(ctx, dst, src, true); |
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53 | 37 | } |
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54 | 38 | |
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55 | | -void twofish_dec_blk_cbc_3way(void *ctx, u128 *dst, const u128 *src) |
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| 39 | +void twofish_dec_blk_cbc_3way(const void *ctx, u8 *d, const u8 *s) |
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56 | 40 | { |
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57 | 41 | u128 ivs[2]; |
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| 42 | + u128 *dst = (u128 *)d; |
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| 43 | + const u128 *src = (const u128 *)s; |
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58 | 44 | |
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59 | 45 | ivs[0] = src[0]; |
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60 | 46 | ivs[1] = src[1]; |
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.. | .. |
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66 | 52 | } |
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67 | 53 | EXPORT_SYMBOL_GPL(twofish_dec_blk_cbc_3way); |
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68 | 54 | |
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69 | | -void twofish_enc_blk_ctr(void *ctx, u128 *dst, const u128 *src, le128 *iv) |
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| 55 | +void twofish_enc_blk_ctr(const void *ctx, u8 *d, const u8 *s, le128 *iv) |
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70 | 56 | { |
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71 | 57 | be128 ctrblk; |
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| 58 | + u128 *dst = (u128 *)d; |
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| 59 | + const u128 *src = (const u128 *)s; |
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72 | 60 | |
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73 | 61 | if (dst != src) |
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74 | 62 | *dst = *src; |
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.. | .. |
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81 | 69 | } |
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82 | 70 | EXPORT_SYMBOL_GPL(twofish_enc_blk_ctr); |
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83 | 71 | |
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84 | | -void twofish_enc_blk_ctr_3way(void *ctx, u128 *dst, const u128 *src, |
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85 | | - le128 *iv) |
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| 72 | +void twofish_enc_blk_ctr_3way(const void *ctx, u8 *d, const u8 *s, le128 *iv) |
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86 | 73 | { |
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87 | 74 | be128 ctrblks[3]; |
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| 75 | + u128 *dst = (u128 *)d; |
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| 76 | + const u128 *src = (const u128 *)s; |
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88 | 77 | |
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89 | 78 | if (dst != src) { |
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90 | 79 | dst[0] = src[0]; |
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.. | .. |
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109 | 98 | |
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110 | 99 | .funcs = { { |
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111 | 100 | .num_blocks = 3, |
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112 | | - .fn_u = { .ecb = GLUE_FUNC_CAST(twofish_enc_blk_3way) } |
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| 101 | + .fn_u = { .ecb = twofish_enc_blk_3way } |
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113 | 102 | }, { |
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114 | 103 | .num_blocks = 1, |
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115 | | - .fn_u = { .ecb = GLUE_FUNC_CAST(twofish_enc_blk) } |
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| 104 | + .fn_u = { .ecb = twofish_enc_blk } |
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116 | 105 | } } |
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117 | 106 | }; |
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118 | 107 | |
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.. | .. |
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122 | 111 | |
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123 | 112 | .funcs = { { |
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124 | 113 | .num_blocks = 3, |
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125 | | - .fn_u = { .ecb = GLUE_FUNC_CAST(twofish_enc_blk_ctr_3way) } |
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| 114 | + .fn_u = { .ctr = twofish_enc_blk_ctr_3way } |
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126 | 115 | }, { |
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127 | 116 | .num_blocks = 1, |
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128 | | - .fn_u = { .ecb = GLUE_FUNC_CAST(twofish_enc_blk_ctr) } |
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| 117 | + .fn_u = { .ctr = twofish_enc_blk_ctr } |
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129 | 118 | } } |
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130 | 119 | }; |
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131 | 120 | |
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.. | .. |
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135 | 124 | |
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136 | 125 | .funcs = { { |
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137 | 126 | .num_blocks = 3, |
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138 | | - .fn_u = { .ecb = GLUE_FUNC_CAST(twofish_dec_blk_3way) } |
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| 127 | + .fn_u = { .ecb = twofish_dec_blk_3way } |
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139 | 128 | }, { |
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140 | 129 | .num_blocks = 1, |
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141 | | - .fn_u = { .ecb = GLUE_FUNC_CAST(twofish_dec_blk) } |
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| 130 | + .fn_u = { .ecb = twofish_dec_blk } |
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142 | 131 | } } |
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143 | 132 | }; |
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144 | 133 | |
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.. | .. |
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148 | 137 | |
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149 | 138 | .funcs = { { |
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150 | 139 | .num_blocks = 3, |
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151 | | - .fn_u = { .cbc = GLUE_CBC_FUNC_CAST(twofish_dec_blk_cbc_3way) } |
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| 140 | + .fn_u = { .cbc = twofish_dec_blk_cbc_3way } |
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152 | 141 | }, { |
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153 | 142 | .num_blocks = 1, |
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154 | | - .fn_u = { .cbc = GLUE_CBC_FUNC_CAST(twofish_dec_blk) } |
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| 143 | + .fn_u = { .cbc = twofish_dec_blk } |
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155 | 144 | } } |
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156 | 145 | }; |
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157 | 146 | |
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.. | .. |
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167 | 156 | |
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168 | 157 | static int cbc_encrypt(struct skcipher_request *req) |
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169 | 158 | { |
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170 | | - return glue_cbc_encrypt_req_128bit(GLUE_FUNC_CAST(twofish_enc_blk), |
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171 | | - req); |
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| 159 | + return glue_cbc_encrypt_req_128bit(twofish_enc_blk, req); |
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172 | 160 | } |
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173 | 161 | |
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174 | 162 | static int cbc_decrypt(struct skcipher_request *req) |
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