sm4-riscv64-zvksed.S revision 1.1
1 #include <machine/asm.h> 2 .text 3 .p2align 3 4 .globl rv64i_zvksed_sm4_set_encrypt_key 5 .type rv64i_zvksed_sm4_set_encrypt_key,@function 6 rv64i_zvksed_sm4_set_encrypt_key: 7 .word 0xc1027057 8 9 # Load the user key 10 .word 33906823 11 .word 1242865879 12 13 # Load the FK. 14 la t0, FK 15 .word 33743111 16 17 # Generate round keys. 18 .word 772866263 19 .word 2249204215 # rk[0:3] 20 .word 2251334263 # rk[4:7] 21 .word 2252415735 # rk[8:11] 22 .word 2253497207 # rk[12:15] 23 .word 2254578679 # rk[16:19] 24 .word 2255660151 # rk[20:23] 25 .word 2256741623 # rk[24:27] 26 .word 2257823095 # rk[28:31] 27 28 # Store round keys 29 .word 33939879 # rk[0:3] 30 addi a1, a1, 16 31 .word 33940007 # rk[4:7] 32 addi a1, a1, 16 33 .word 33940135 # rk[8:11] 34 addi a1, a1, 16 35 .word 33940263 # rk[12:15] 36 addi a1, a1, 16 37 .word 33940391 # rk[16:19] 38 addi a1, a1, 16 39 .word 33940519 # rk[20:23] 40 addi a1, a1, 16 41 .word 33940647 # rk[24:27] 42 addi a1, a1, 16 43 .word 33940775 # rk[28:31] 44 45 li a0, 1 46 ret 47 .size rv64i_zvksed_sm4_set_encrypt_key,.-rv64i_zvksed_sm4_set_encrypt_key 48 .p2align 3 49 .globl rv64i_zvksed_sm4_set_decrypt_key 50 .type rv64i_zvksed_sm4_set_decrypt_key,@function 51 rv64i_zvksed_sm4_set_decrypt_key: 52 .word 0xc1027057 53 54 # Load the user key 55 .word 33906823 56 .word 1242865879 57 58 # Load the FK. 59 la t0, FK 60 .word 33743111 61 62 # Generate round keys. 63 .word 772866263 64 .word 2249204215 # rk[0:3] 65 .word 2251334263 # rk[4:7] 66 .word 2252415735 # rk[8:11] 67 .word 2253497207 # rk[12:15] 68 .word 2254578679 # rk[16:19] 69 .word 2255660151 # rk[20:23] 70 .word 2256741623 # rk[24:27] 71 .word 2257823095 # rk[28:31] 72 73 # Store round keys in reverse order 74 addi a1, a1, 12 75 li t1, -4 76 .word 174449959 # rk[31:28] 77 addi a1, a1, 16 78 .word 174449831 # rk[27:24] 79 addi a1, a1, 16 80 .word 174449703 # rk[23:20] 81 addi a1, a1, 16 82 .word 174449575 # rk[19:16] 83 addi a1, a1, 16 84 .word 174449447 # rk[15:12] 85 addi a1, a1, 16 86 .word 174449319 # rk[11:8] 87 addi a1, a1, 16 88 .word 174449191 # rk[7:4] 89 addi a1, a1, 16 90 .word 174449063 # rk[3:0] 91 92 li a0, 1 93 ret 94 .size rv64i_zvksed_sm4_set_decrypt_key,.-rv64i_zvksed_sm4_set_decrypt_key 95 .p2align 3 96 .globl rv64i_zvksed_sm4_encrypt 97 .type rv64i_zvksed_sm4_encrypt,@function 98 rv64i_zvksed_sm4_encrypt: 99 .word 0xc1027057 100 101 # Order of elements was adjusted in set_encrypt_key() 102 .word 33972487 # rk[0:3] 103 addi a2, a2, 16 104 .word 33972615 # rk[4:7] 105 addi a2, a2, 16 106 .word 33972743 # rk[8:11] 107 addi a2, a2, 16 108 .word 33972871 # rk[12:15] 109 addi a2, a2, 16 110 .word 33972999 # rk[16:19] 111 addi a2, a2, 16 112 .word 33973127 # rk[20:23] 113 addi a2, a2, 16 114 .word 33973255 # rk[24:27] 115 addi a2, a2, 16 116 .word 33973383 # rk[28:31] 117 118 # Load input data 119 .word 33906823 120 .word 1242865879 121 122 # Encrypt with all keys 123 .word 2787647735 124 .word 2788696311 125 .word 2789744887 126 .word 2790793463 127 .word 2791842039 128 .word 2792890615 129 .word 2793939191 130 .word 2794987767 131 132 # Save the ciphertext (in reverse element order) 133 .word 1242865879 134 li t0, -4 135 addi a1, a1, 12 136 .word 173400231 137 138 ret 139 .size rv64i_zvksed_sm4_encrypt,.-rv64i_zvksed_sm4_encrypt 140 .p2align 3 141 .globl rv64i_zvksed_sm4_decrypt 142 .type rv64i_zvksed_sm4_decrypt,@function 143 rv64i_zvksed_sm4_decrypt: 144 .word 0xc1027057 145 146 # Order of elements was adjusted in set_decrypt_key() 147 .word 33973383 # rk[31:28] 148 addi a2, a2, 16 149 .word 33973255 # rk[27:24] 150 addi a2, a2, 16 151 .word 33973127 # rk[23:20] 152 addi a2, a2, 16 153 .word 33972999 # rk[19:16] 154 addi a2, a2, 16 155 .word 33972871 # rk[15:11] 156 addi a2, a2, 16 157 .word 33972743 # rk[11:8] 158 addi a2, a2, 16 159 .word 33972615 # rk[7:4] 160 addi a2, a2, 16 161 .word 33972487 # rk[3:0] 162 163 # Load input data 164 .word 33906823 165 .word 1242865879 166 167 # Encrypt with all keys 168 .word 2794987767 169 .word 2793939191 170 .word 2792890615 171 .word 2791842039 172 .word 2790793463 173 .word 2789744887 174 .word 2788696311 175 .word 2787647735 176 177 # Save the ciphertext (in reverse element order) 178 .word 1242865879 179 li t0, -4 180 addi a1, a1, 12 181 .word 173400231 182 183 ret 184 .size rv64i_zvksed_sm4_decrypt,.-rv64i_zvksed_sm4_decrypt 185 # Family Key (little-endian 32-bit chunks) 186 .p2align 3 187 FK: 188 .word 0xA3B1BAC6, 0x56AA3350, 0x677D9197, 0xB27022DC 189 .size FK,.-FK 190
Indexes created Sat Feb 28 05:31:39 UTC 2026