David S. Miller | 9bf4852 | 2012-08-21 03:58:13 -0700 | [diff] [blame^] | 1 | #include <linux/linkage.h> |
| 2 | #include <asm/visasm.h> |
| 3 | |
| 4 | #define F3F(x,y,z) (((x)<<30)|((y)<<19)|((z)<<5)) |
| 5 | |
| 6 | #define FPD_ENCODE(x) (((x) >> 5) | ((x) & ~(0x20))) |
| 7 | |
| 8 | #define RS1(x) (FPD_ENCODE(x) << 14) |
| 9 | #define RS2(x) (FPD_ENCODE(x) << 0) |
| 10 | #define RS3(x) (FPD_ENCODE(x) << 9) |
| 11 | #define RD(x) (FPD_ENCODE(x) << 25) |
| 12 | #define IMM5(x) ((x) << 9) |
| 13 | |
| 14 | #define AES_EROUND01(a,b,c,d) \ |
| 15 | .word (F3F(2, 0x19, 0)|RS1(a)|RS2(b)|RS3(c)|RD(d)); |
| 16 | #define AES_EROUND23(a,b,c,d) \ |
| 17 | .word (F3F(2, 0x19, 1)|RS1(a)|RS2(b)|RS3(c)|RD(d)); |
| 18 | #define AES_DROUND01(a,b,c,d) \ |
| 19 | .word (F3F(2, 0x19, 2)|RS1(a)|RS2(b)|RS3(c)|RD(d)); |
| 20 | #define AES_DROUND23(a,b,c,d) \ |
| 21 | .word (F3F(2, 0x19, 3)|RS1(a)|RS2(b)|RS3(c)|RD(d)); |
| 22 | #define AES_EROUND01_L(a,b,c,d) \ |
| 23 | .word (F3F(2, 0x19, 4)|RS1(a)|RS2(b)|RS3(c)|RD(d)); |
| 24 | #define AES_EROUND23_L(a,b,c,d) \ |
| 25 | .word (F3F(2, 0x19, 5)|RS1(a)|RS2(b)|RS3(c)|RD(d)); |
| 26 | #define AES_DROUND01_L(a,b,c,d) \ |
| 27 | .word (F3F(2, 0x19, 6)|RS1(a)|RS2(b)|RS3(c)|RD(d)); |
| 28 | #define AES_DROUND23_L(a,b,c,d) \ |
| 29 | .word (F3F(2, 0x19, 7)|RS1(a)|RS2(b)|RS3(c)|RD(d)); |
| 30 | #define AES_KEXPAND1(a,b,c,d) \ |
| 31 | .word (F3F(2, 0x19, 8)|RS1(a)|RS2(b)|IMM5(c)|RD(d)); |
| 32 | #define AES_KEXPAND0(a,b,c) \ |
| 33 | .word (F3F(2, 0x36, 0x130)|RS1(a)|RS2(b)|RD(c)); |
| 34 | #define AES_KEXPAND2(a,b,c) \ |
| 35 | .word (F3F(2, 0x36, 0x131)|RS1(a)|RS2(b)|RD(c)); |
| 36 | |
| 37 | #define MOVXTOD_G3_F4 \ |
| 38 | .word 0x89b02303; |
| 39 | #define MOVXTOD_G7_F6 \ |
| 40 | .word 0x8db02307; |
| 41 | #define MOVXTOD_G3_F0 \ |
| 42 | .word 0x81b02303; |
| 43 | #define MOVXTOD_G7_F2 \ |
| 44 | .word 0x85b02307; |
| 45 | #define MOVXTOD_O0_F0 \ |
| 46 | .word 0x81b02308; |
| 47 | #define MOVXTOD_O1_F2 \ |
| 48 | .word 0x85b02309; |
| 49 | |
| 50 | #define ENCRYPT_TWO_ROUNDS(KEY_BASE, I0, I1, T0, T1) \ |
| 51 | AES_EROUND01(KEY_BASE + 0, I0, I1, T0) \ |
| 52 | AES_EROUND23(KEY_BASE + 2, I0, I1, T1) \ |
| 53 | AES_EROUND01(KEY_BASE + 4, T0, T1, I0) \ |
| 54 | AES_EROUND23(KEY_BASE + 6, T0, T1, I1) |
| 55 | |
| 56 | #define ENCRYPT_TWO_ROUNDS_LAST(KEY_BASE, I0, I1, T0, T1) \ |
| 57 | AES_EROUND01(KEY_BASE + 0, I0, I1, T0) \ |
| 58 | AES_EROUND23(KEY_BASE + 2, I0, I1, T1) \ |
| 59 | AES_EROUND01_L(KEY_BASE + 4, T0, T1, I0) \ |
| 60 | AES_EROUND23_L(KEY_BASE + 6, T0, T1, I1) |
| 61 | |
| 62 | /* 10 rounds */ |
| 63 | #define ENCRYPT_128(KEY_BASE, I0, I1, T0, T1) \ |
| 64 | ENCRYPT_TWO_ROUNDS(KEY_BASE + 0, I0, I1, T0, T1) \ |
| 65 | ENCRYPT_TWO_ROUNDS(KEY_BASE + 8, I0, I1, T0, T1) \ |
| 66 | ENCRYPT_TWO_ROUNDS(KEY_BASE + 16, I0, I1, T0, T1) \ |
| 67 | ENCRYPT_TWO_ROUNDS(KEY_BASE + 24, I0, I1, T0, T1) \ |
| 68 | ENCRYPT_TWO_ROUNDS_LAST(KEY_BASE + 32, I0, I1, T0, T1) |
| 69 | |
| 70 | /* 12 rounds */ |
| 71 | #define ENCRYPT_192(KEY_BASE, I0, I1, T0, T1) \ |
| 72 | ENCRYPT_TWO_ROUNDS(KEY_BASE + 0, I0, I1, T0, T1) \ |
| 73 | ENCRYPT_TWO_ROUNDS(KEY_BASE + 8, I0, I1, T0, T1) \ |
| 74 | ENCRYPT_TWO_ROUNDS(KEY_BASE + 16, I0, I1, T0, T1) \ |
| 75 | ENCRYPT_TWO_ROUNDS(KEY_BASE + 24, I0, I1, T0, T1) \ |
| 76 | ENCRYPT_TWO_ROUNDS(KEY_BASE + 32, I0, I1, T0, T1) \ |
| 77 | ENCRYPT_TWO_ROUNDS_LAST(KEY_BASE + 40, I0, I1, T0, T1) |
| 78 | |
| 79 | /* 14 rounds */ |
| 80 | #define ENCRYPT_256(KEY_BASE, I0, I1, T0, T1) \ |
| 81 | ENCRYPT_TWO_ROUNDS(KEY_BASE + 0, I0, I1, T0, T1) \ |
| 82 | ENCRYPT_TWO_ROUNDS(KEY_BASE + 8, I0, I1, T0, T1) \ |
| 83 | ENCRYPT_TWO_ROUNDS(KEY_BASE + 16, I0, I1, T0, T1) \ |
| 84 | ENCRYPT_TWO_ROUNDS(KEY_BASE + 24, I0, I1, T0, T1) \ |
| 85 | ENCRYPT_TWO_ROUNDS(KEY_BASE + 32, I0, I1, T0, T1) \ |
| 86 | ENCRYPT_TWO_ROUNDS(KEY_BASE + 40, I0, I1, T0, T1) \ |
| 87 | ENCRYPT_TWO_ROUNDS_LAST(KEY_BASE + 48, I0, I1, T0, T1) |
| 88 | |
| 89 | #define DECRYPT_TWO_ROUNDS(KEY_TOP, I0, I1, T0, T1) \ |
| 90 | AES_DROUND23(KEY_TOP - 2, I0, I1, T1) \ |
| 91 | AES_DROUND01(KEY_TOP - 4, I0, I1, T0) \ |
| 92 | AES_DROUND23(KEY_TOP - 6, T0, T1, I1) \ |
| 93 | AES_DROUND01(KEY_TOP - 8, T0, T1, I0) |
| 94 | |
| 95 | #define DECRYPT_TWO_ROUNDS_LAST(KEY_TOP, I0, I1, T0, T1) \ |
| 96 | AES_DROUND23(KEY_TOP - 2, I0, I1, T1) \ |
| 97 | AES_DROUND01(KEY_TOP - 4, I0, I1, T0) \ |
| 98 | AES_DROUND23_L(KEY_TOP - 6, T0, T1, I1) \ |
| 99 | AES_DROUND01_L(KEY_TOP - 8, T0, T1, I0) |
| 100 | |
| 101 | /* 10 rounds */ |
| 102 | #define DECRYPT_128(KEY_TOP, I0, I1, T0, T1) \ |
| 103 | DECRYPT_TWO_ROUNDS(KEY_TOP - 0, I0, I1, T0, T1) \ |
| 104 | DECRYPT_TWO_ROUNDS(KEY_TOP - 8, I0, I1, T0, T1) \ |
| 105 | DECRYPT_TWO_ROUNDS(KEY_TOP - 16, I0, I1, T0, T1) \ |
| 106 | DECRYPT_TWO_ROUNDS(KEY_TOP - 24, I0, I1, T0, T1) \ |
| 107 | DECRYPT_TWO_ROUNDS_LAST(KEY_TOP - 32, I0, I1, T0, T1) |
| 108 | |
| 109 | /* 12 rounds */ |
| 110 | #define DECRYPT_192(KEY_TOP, I0, I1, T0, T1) \ |
| 111 | DECRYPT_TWO_ROUNDS(KEY_TOP - 0, I0, I1, T0, T1) \ |
| 112 | DECRYPT_TWO_ROUNDS(KEY_TOP - 8, I0, I1, T0, T1) \ |
| 113 | DECRYPT_TWO_ROUNDS(KEY_TOP - 16, I0, I1, T0, T1) \ |
| 114 | DECRYPT_TWO_ROUNDS(KEY_TOP - 24, I0, I1, T0, T1) \ |
| 115 | DECRYPT_TWO_ROUNDS(KEY_TOP - 32, I0, I1, T0, T1) \ |
| 116 | DECRYPT_TWO_ROUNDS_LAST(KEY_TOP - 40, I0, I1, T0, T1) |
| 117 | |
| 118 | /* 14 rounds */ |
| 119 | #define DECRYPT_256(KEY_TOP, I0, I1, T0, T1) \ |
| 120 | DECRYPT_TWO_ROUNDS(KEY_TOP - 0, I0, I1, T0, T1) \ |
| 121 | DECRYPT_TWO_ROUNDS(KEY_TOP - 8, I0, I1, T0, T1) \ |
| 122 | DECRYPT_TWO_ROUNDS(KEY_TOP - 16, I0, I1, T0, T1) \ |
| 123 | DECRYPT_TWO_ROUNDS(KEY_TOP - 24, I0, I1, T0, T1) \ |
| 124 | DECRYPT_TWO_ROUNDS(KEY_TOP - 32, I0, I1, T0, T1) \ |
| 125 | DECRYPT_TWO_ROUNDS(KEY_TOP - 40, I0, I1, T0, T1) \ |
| 126 | DECRYPT_TWO_ROUNDS_LAST(KEY_TOP - 48, I0, I1, T0, T1) |
| 127 | |
| 128 | ENTRY(aes_sparc64_key_expand) |
| 129 | /* %o0=input_key, %o1=output_key, %o2=key_len */ |
| 130 | VISEntry |
| 131 | ld [%o0 + 0x00], %f0 |
| 132 | ld [%o0 + 0x04], %f1 |
| 133 | ld [%o0 + 0x08], %f2 |
| 134 | ld [%o0 + 0x0c], %f3 |
| 135 | |
| 136 | std %f0, [%o1 + 0x00] |
| 137 | std %f2, [%o1 + 0x08] |
| 138 | add %o1, 0x10, %o1 |
| 139 | |
| 140 | cmp %o2, 24 |
| 141 | bl 2f |
| 142 | nop |
| 143 | |
| 144 | be 1f |
| 145 | nop |
| 146 | |
| 147 | /* 256-bit key expansion */ |
| 148 | ld [%o0 + 0x10], %f4 |
| 149 | ld [%o0 + 0x14], %f5 |
| 150 | ld [%o0 + 0x18], %f6 |
| 151 | ld [%o0 + 0x1c], %f7 |
| 152 | |
| 153 | std %f4, [%o1 + 0x00] |
| 154 | std %f6, [%o1 + 0x08] |
| 155 | add %o1, 0x10, %o1 |
| 156 | |
| 157 | AES_KEXPAND1(0, 6, 0x0, 8) |
| 158 | AES_KEXPAND2(2, 8, 10) |
| 159 | AES_KEXPAND0(4, 10, 12) |
| 160 | AES_KEXPAND2(6, 12, 14) |
| 161 | AES_KEXPAND1(8, 14, 0x1, 16) |
| 162 | AES_KEXPAND2(10, 16, 18) |
| 163 | AES_KEXPAND0(12, 18, 20) |
| 164 | AES_KEXPAND2(14, 20, 22) |
| 165 | AES_KEXPAND1(16, 22, 0x2, 24) |
| 166 | AES_KEXPAND2(18, 24, 26) |
| 167 | AES_KEXPAND0(20, 26, 28) |
| 168 | AES_KEXPAND2(22, 28, 30) |
| 169 | AES_KEXPAND1(24, 30, 0x3, 32) |
| 170 | AES_KEXPAND2(26, 32, 34) |
| 171 | AES_KEXPAND0(28, 34, 36) |
| 172 | AES_KEXPAND2(30, 36, 38) |
| 173 | AES_KEXPAND1(32, 38, 0x4, 40) |
| 174 | AES_KEXPAND2(34, 40, 42) |
| 175 | AES_KEXPAND0(36, 42, 44) |
| 176 | AES_KEXPAND2(38, 44, 46) |
| 177 | AES_KEXPAND1(40, 46, 0x5, 48) |
| 178 | AES_KEXPAND2(42, 48, 50) |
| 179 | AES_KEXPAND0(44, 50, 52) |
| 180 | AES_KEXPAND2(46, 52, 54) |
| 181 | AES_KEXPAND1(48, 54, 0x6, 56) |
| 182 | AES_KEXPAND2(50, 56, 58) |
| 183 | |
| 184 | std %f8, [%o1 + 0x00] |
| 185 | std %f10, [%o1 + 0x08] |
| 186 | std %f12, [%o1 + 0x10] |
| 187 | std %f14, [%o1 + 0x18] |
| 188 | std %f16, [%o1 + 0x20] |
| 189 | std %f18, [%o1 + 0x28] |
| 190 | std %f20, [%o1 + 0x30] |
| 191 | std %f22, [%o1 + 0x38] |
| 192 | std %f24, [%o1 + 0x40] |
| 193 | std %f26, [%o1 + 0x48] |
| 194 | std %f28, [%o1 + 0x50] |
| 195 | std %f30, [%o1 + 0x58] |
| 196 | std %f32, [%o1 + 0x60] |
| 197 | std %f34, [%o1 + 0x68] |
| 198 | std %f36, [%o1 + 0x70] |
| 199 | std %f38, [%o1 + 0x78] |
| 200 | std %f40, [%o1 + 0x80] |
| 201 | std %f42, [%o1 + 0x88] |
| 202 | std %f44, [%o1 + 0x90] |
| 203 | std %f46, [%o1 + 0x98] |
| 204 | std %f48, [%o1 + 0xa0] |
| 205 | std %f50, [%o1 + 0xa8] |
| 206 | std %f52, [%o1 + 0xb0] |
| 207 | std %f54, [%o1 + 0xb8] |
| 208 | std %f56, [%o1 + 0xc0] |
| 209 | ba,pt %xcc, 80f |
| 210 | std %f58, [%o1 + 0xc8] |
| 211 | |
| 212 | 1: |
| 213 | /* 192-bit key expansion */ |
| 214 | ld [%o0 + 0x10], %f4 |
| 215 | ld [%o0 + 0x14], %f5 |
| 216 | |
| 217 | std %f4, [%o1 + 0x00] |
| 218 | add %o1, 0x08, %o1 |
| 219 | |
| 220 | AES_KEXPAND1(0, 4, 0x0, 6) |
| 221 | AES_KEXPAND2(2, 6, 8) |
| 222 | AES_KEXPAND2(4, 8, 10) |
| 223 | AES_KEXPAND1(6, 10, 0x1, 12) |
| 224 | AES_KEXPAND2(8, 12, 14) |
| 225 | AES_KEXPAND2(10, 14, 16) |
| 226 | AES_KEXPAND1(12, 16, 0x2, 18) |
| 227 | AES_KEXPAND2(14, 18, 20) |
| 228 | AES_KEXPAND2(16, 20, 22) |
| 229 | AES_KEXPAND1(18, 22, 0x3, 24) |
| 230 | AES_KEXPAND2(20, 24, 26) |
| 231 | AES_KEXPAND2(22, 26, 28) |
| 232 | AES_KEXPAND1(24, 28, 0x4, 30) |
| 233 | AES_KEXPAND2(26, 30, 32) |
| 234 | AES_KEXPAND2(28, 32, 34) |
| 235 | AES_KEXPAND1(30, 34, 0x5, 36) |
| 236 | AES_KEXPAND2(32, 36, 38) |
| 237 | AES_KEXPAND2(34, 38, 40) |
| 238 | AES_KEXPAND1(36, 40, 0x6, 42) |
| 239 | AES_KEXPAND2(38, 42, 44) |
| 240 | AES_KEXPAND2(40, 44, 46) |
| 241 | AES_KEXPAND1(42, 46, 0x7, 48) |
| 242 | AES_KEXPAND2(44, 48, 50) |
| 243 | |
| 244 | std %f6, [%o1 + 0x00] |
| 245 | std %f8, [%o1 + 0x08] |
| 246 | std %f10, [%o1 + 0x10] |
| 247 | std %f12, [%o1 + 0x18] |
| 248 | std %f14, [%o1 + 0x20] |
| 249 | std %f16, [%o1 + 0x28] |
| 250 | std %f18, [%o1 + 0x30] |
| 251 | std %f20, [%o1 + 0x38] |
| 252 | std %f22, [%o1 + 0x40] |
| 253 | std %f24, [%o1 + 0x48] |
| 254 | std %f26, [%o1 + 0x50] |
| 255 | std %f28, [%o1 + 0x58] |
| 256 | std %f30, [%o1 + 0x60] |
| 257 | std %f32, [%o1 + 0x68] |
| 258 | std %f34, [%o1 + 0x70] |
| 259 | std %f36, [%o1 + 0x78] |
| 260 | std %f38, [%o1 + 0x80] |
| 261 | std %f40, [%o1 + 0x88] |
| 262 | std %f42, [%o1 + 0x90] |
| 263 | std %f44, [%o1 + 0x98] |
| 264 | std %f46, [%o1 + 0xa0] |
| 265 | std %f48, [%o1 + 0xa8] |
| 266 | ba,pt %xcc, 80f |
| 267 | std %f50, [%o1 + 0xb0] |
| 268 | |
| 269 | 2: |
| 270 | /* 128-bit key expansion */ |
| 271 | AES_KEXPAND1(0, 2, 0x0, 4) |
| 272 | AES_KEXPAND2(2, 4, 6) |
| 273 | AES_KEXPAND1(4, 6, 0x1, 8) |
| 274 | AES_KEXPAND2(6, 8, 10) |
| 275 | AES_KEXPAND1(8, 10, 0x2, 12) |
| 276 | AES_KEXPAND2(10, 12, 14) |
| 277 | AES_KEXPAND1(12, 14, 0x3, 16) |
| 278 | AES_KEXPAND2(14, 16, 18) |
| 279 | AES_KEXPAND1(16, 18, 0x4, 20) |
| 280 | AES_KEXPAND2(18, 20, 22) |
| 281 | AES_KEXPAND1(20, 22, 0x5, 24) |
| 282 | AES_KEXPAND2(22, 24, 26) |
| 283 | AES_KEXPAND1(24, 26, 0x6, 28) |
| 284 | AES_KEXPAND2(26, 28, 30) |
| 285 | AES_KEXPAND1(28, 30, 0x7, 32) |
| 286 | AES_KEXPAND2(30, 32, 34) |
| 287 | AES_KEXPAND1(32, 34, 0x8, 36) |
| 288 | AES_KEXPAND2(34, 36, 38) |
| 289 | AES_KEXPAND1(36, 38, 0x9, 40) |
| 290 | AES_KEXPAND2(38, 40, 42) |
| 291 | |
| 292 | std %f4, [%o1 + 0x00] |
| 293 | std %f6, [%o1 + 0x08] |
| 294 | std %f8, [%o1 + 0x10] |
| 295 | std %f10, [%o1 + 0x18] |
| 296 | std %f12, [%o1 + 0x20] |
| 297 | std %f14, [%o1 + 0x28] |
| 298 | std %f16, [%o1 + 0x30] |
| 299 | std %f18, [%o1 + 0x38] |
| 300 | std %f20, [%o1 + 0x40] |
| 301 | std %f22, [%o1 + 0x48] |
| 302 | std %f24, [%o1 + 0x50] |
| 303 | std %f26, [%o1 + 0x58] |
| 304 | std %f28, [%o1 + 0x60] |
| 305 | std %f30, [%o1 + 0x68] |
| 306 | std %f32, [%o1 + 0x70] |
| 307 | std %f34, [%o1 + 0x78] |
| 308 | std %f36, [%o1 + 0x80] |
| 309 | std %f38, [%o1 + 0x88] |
| 310 | std %f40, [%o1 + 0x90] |
| 311 | std %f42, [%o1 + 0x98] |
| 312 | 80: |
| 313 | retl |
| 314 | VISExit |
| 315 | ENDPROC(aes_sparc64_key_expand) |
| 316 | |
| 317 | ENTRY(aes_sparc64_encrypt) |
| 318 | /* %o0=key, %o1=input, %o2=output, %o3=key_len */ |
| 319 | VISEntry |
| 320 | ld [%o1 + 0x00], %f4 |
| 321 | ld [%o1 + 0x04], %f5 |
| 322 | ld [%o1 + 0x08], %f6 |
| 323 | ld [%o1 + 0x0c], %f7 |
| 324 | |
| 325 | ldd [%o0 + 0x00], %f8 |
| 326 | ldd [%o0 + 0x08], %f10 |
| 327 | cmp %o3, 24 |
| 328 | fxor %f8, %f4, %f4 |
| 329 | bl 2f |
| 330 | fxor %f10, %f6, %f6 |
| 331 | |
| 332 | be 1f |
| 333 | ldd [%o0 + 0x10], %f8 |
| 334 | |
| 335 | ldd [%o0 + 0x18], %f10 |
| 336 | ldd [%o0 + 0x20], %f12 |
| 337 | ldd [%o0 + 0x28], %f14 |
| 338 | add %o0, 0x20, %o0 |
| 339 | |
| 340 | ENCRYPT_TWO_ROUNDS(8, 4, 6, 0, 2) |
| 341 | |
| 342 | ldd [%o0 + 0x10], %f8 |
| 343 | |
| 344 | 1: |
| 345 | ldd [%o0 + 0x18], %f10 |
| 346 | ldd [%o0 + 0x20], %f12 |
| 347 | ldd [%o0 + 0x28], %f14 |
| 348 | add %o0, 0x20, %o0 |
| 349 | |
| 350 | ENCRYPT_TWO_ROUNDS(8, 4, 6, 0, 2) |
| 351 | |
| 352 | 2: |
| 353 | ldd [%o0 + 0x10], %f12 |
| 354 | ldd [%o0 + 0x18], %f14 |
| 355 | ldd [%o0 + 0x20], %f16 |
| 356 | ldd [%o0 + 0x28], %f18 |
| 357 | ldd [%o0 + 0x30], %f20 |
| 358 | ldd [%o0 + 0x38], %f22 |
| 359 | ldd [%o0 + 0x40], %f24 |
| 360 | ldd [%o0 + 0x48], %f26 |
| 361 | ldd [%o0 + 0x50], %f28 |
| 362 | ldd [%o0 + 0x58], %f30 |
| 363 | ldd [%o0 + 0x60], %f32 |
| 364 | ldd [%o0 + 0x68], %f34 |
| 365 | ldd [%o0 + 0x70], %f36 |
| 366 | ldd [%o0 + 0x78], %f38 |
| 367 | ldd [%o0 + 0x80], %f40 |
| 368 | ldd [%o0 + 0x88], %f42 |
| 369 | ldd [%o0 + 0x90], %f44 |
| 370 | ldd [%o0 + 0x98], %f46 |
| 371 | ldd [%o0 + 0xa0], %f48 |
| 372 | ldd [%o0 + 0xa8], %f50 |
| 373 | |
| 374 | |
| 375 | ENCRYPT_128(12, 4, 6, 0, 2) |
| 376 | |
| 377 | st %f4, [%o2 + 0x00] |
| 378 | st %f5, [%o2 + 0x04] |
| 379 | st %f6, [%o2 + 0x08] |
| 380 | st %f7, [%o2 + 0x0c] |
| 381 | |
| 382 | retl |
| 383 | VISExit |
| 384 | ENDPROC(aes_sparc64_encrypt) |
| 385 | |
| 386 | ENTRY(aes_sparc64_decrypt) |
| 387 | /* %o0=key, %o1=input, %o2=output, %o3=key_len, %o4=exp_key_len */ |
| 388 | VISEntry |
| 389 | ld [%o1 + 0x00], %f4 |
| 390 | add %o0, %o4, %o0 |
| 391 | ld [%o1 + 0x04], %f5 |
| 392 | ld [%o1 + 0x08], %f6 |
| 393 | ld [%o1 + 0x0c], %f7 |
| 394 | |
| 395 | ldd [%o0 - 0x08], %f8 |
| 396 | ldd [%o0 - 0x10], %f10 |
| 397 | |
| 398 | cmp %o3, 24 |
| 399 | fxor %f10, %f4, %f4 |
| 400 | bl 2f |
| 401 | fxor %f8, %f6, %f6 |
| 402 | |
| 403 | be 1f |
| 404 | ldd [%o0 - 0x30], %f8 |
| 405 | |
| 406 | ldd [%o0 - 0x28], %f10 |
| 407 | ldd [%o0 - 0x20], %f12 |
| 408 | ldd [%o0 - 0x18], %f14 |
| 409 | sub %o0, 0x20, %o0 |
| 410 | |
| 411 | DECRYPT_TWO_ROUNDS(16, 4, 6, 0, 2) |
| 412 | |
| 413 | ldd [%o0 - 0x30], %f8 |
| 414 | 1: |
| 415 | ldd [%o0 - 0x28], %f10 |
| 416 | ldd [%o0 - 0x20], %f12 |
| 417 | ldd [%o0 - 0x18], %f14 |
| 418 | sub %o0, 0x20, %o0 |
| 419 | |
| 420 | DECRYPT_TWO_ROUNDS(16, 4, 6, 0, 2) |
| 421 | 2: |
| 422 | ldd [%o0 - 0xb0], %f12 |
| 423 | ldd [%o0 - 0xa8], %f14 |
| 424 | ldd [%o0 - 0xa0], %f16 |
| 425 | ldd [%o0 - 0x98], %f18 |
| 426 | ldd [%o0 - 0x90], %f20 |
| 427 | ldd [%o0 - 0x88], %f22 |
| 428 | ldd [%o0 - 0x80], %f24 |
| 429 | ldd [%o0 - 0x78], %f26 |
| 430 | ldd [%o0 - 0x70], %f28 |
| 431 | ldd [%o0 - 0x68], %f30 |
| 432 | ldd [%o0 - 0x60], %f32 |
| 433 | ldd [%o0 - 0x58], %f34 |
| 434 | ldd [%o0 - 0x50], %f36 |
| 435 | ldd [%o0 - 0x48], %f38 |
| 436 | ldd [%o0 - 0x40], %f40 |
| 437 | ldd [%o0 - 0x38], %f42 |
| 438 | ldd [%o0 - 0x30], %f44 |
| 439 | ldd [%o0 - 0x28], %f46 |
| 440 | ldd [%o0 - 0x20], %f48 |
| 441 | ldd [%o0 - 0x18], %f50 |
| 442 | |
| 443 | DECRYPT_128(52, 4, 6, 0, 2) |
| 444 | |
| 445 | st %f4, [%o2 + 0x00] |
| 446 | st %f5, [%o2 + 0x04] |
| 447 | st %f6, [%o2 + 0x08] |
| 448 | st %f7, [%o2 + 0x0c] |
| 449 | |
| 450 | retl |
| 451 | VISExit |
| 452 | ENDPROC(aes_sparc64_decrypt) |
| 453 | |
| 454 | ENTRY(aes_sparc64_load_decrypt_keys) |
| 455 | /* %o0=key */ |
| 456 | ba,pt %xcc, aes_sparc64_load_encrypt_keys |
| 457 | sub %o0, 0x10, %o0 |
| 458 | ENDPROC(aes_sparc64_load_decrypt_keys) |
| 459 | |
| 460 | ENTRY(aes_sparc64_load_encrypt_keys) |
| 461 | /* %o0=key */ |
| 462 | VISEntry |
| 463 | ldd [%o0 + 0x10], %f8 |
| 464 | ldd [%o0 + 0x18], %f10 |
| 465 | ldd [%o0 + 0x20], %f12 |
| 466 | ldd [%o0 + 0x28], %f14 |
| 467 | ldd [%o0 + 0x30], %f16 |
| 468 | ldd [%o0 + 0x38], %f18 |
| 469 | ldd [%o0 + 0x40], %f20 |
| 470 | ldd [%o0 + 0x48], %f22 |
| 471 | ldd [%o0 + 0x50], %f24 |
| 472 | ldd [%o0 + 0x58], %f26 |
| 473 | ldd [%o0 + 0x60], %f28 |
| 474 | ldd [%o0 + 0x68], %f30 |
| 475 | ldd [%o0 + 0x70], %f32 |
| 476 | ldd [%o0 + 0x78], %f34 |
| 477 | ldd [%o0 + 0x80], %f36 |
| 478 | ldd [%o0 + 0x88], %f38 |
| 479 | ldd [%o0 + 0x90], %f40 |
| 480 | ldd [%o0 + 0x98], %f42 |
| 481 | ldd [%o0 + 0xa0], %f44 |
| 482 | ldd [%o0 + 0xa8], %f46 |
| 483 | ldd [%o0 + 0xb0], %f48 |
| 484 | ldd [%o0 + 0xb8], %f50 |
| 485 | ldd [%o0 + 0xc0], %f52 |
| 486 | ldd [%o0 + 0xc8], %f54 |
| 487 | ldd [%o0 + 0xd0], %f56 |
| 488 | ldd [%o0 + 0xd8], %f58 |
| 489 | ldd [%o0 + 0xe0], %f60 |
| 490 | retl |
| 491 | ldd [%o0 + 0xe8], %f62 |
| 492 | ENDPROC(aes_sparc64_load_encrypt_keys) |
| 493 | |
| 494 | ENTRY(aes_sparc64_ecb_encrypt) |
| 495 | /* %o0=key, %o1=input, %o2=output, %o3=key_len, %o4=len */ |
| 496 | ldx [%o0 + 0x00], %g1 |
| 497 | ldx [%o0 + 0x08], %g2 |
| 498 | cmp %o3, 24 |
| 499 | bl 2f |
| 500 | nop |
| 501 | be 1f |
| 502 | nop |
| 503 | |
| 504 | 0: |
| 505 | /* 256-bit key */ |
| 506 | ldx [%o1 + 0x00], %g3 |
| 507 | ldx [%o1 + 0x08], %g7 |
| 508 | add %o1, 0x10, %o1 |
| 509 | xor %g1, %g3, %g3 |
| 510 | xor %g2, %g7, %g7 |
| 511 | MOVXTOD_G3_F4 |
| 512 | MOVXTOD_G7_F6 |
| 513 | |
| 514 | ENCRYPT_256(8, 4, 6, 0, 2) |
| 515 | |
| 516 | std %f4, [%o2 + 0x00] |
| 517 | std %f6, [%o2 + 0x08] |
| 518 | subcc %o4, 0x10, %o4 |
| 519 | bne,pt %xcc, 0b |
| 520 | add %o2, 0x10, %o2 |
| 521 | |
| 522 | retl |
| 523 | nop |
| 524 | |
| 525 | 1: |
| 526 | /* 192-bit key */ |
| 527 | ldx [%o1 + 0x00], %g3 |
| 528 | ldx [%o1 + 0x08], %g7 |
| 529 | add %o1, 0x10, %o1 |
| 530 | xor %g1, %g3, %g3 |
| 531 | xor %g2, %g7, %g7 |
| 532 | MOVXTOD_G3_F4 |
| 533 | MOVXTOD_G7_F6 |
| 534 | |
| 535 | ENCRYPT_192(8, 4, 6, 0, 2) |
| 536 | |
| 537 | std %f4, [%o2 + 0x00] |
| 538 | std %f6, [%o2 + 0x08] |
| 539 | subcc %o4, 0x10, %o4 |
| 540 | bne,pt %xcc, 1b |
| 541 | add %o2, 0x10, %o2 |
| 542 | |
| 543 | retl |
| 544 | nop |
| 545 | |
| 546 | 2: |
| 547 | /* 128-bit key */ |
| 548 | ldx [%o1 + 0x00], %g3 |
| 549 | ldx [%o1 + 0x08], %g7 |
| 550 | add %o1, 0x10, %o1 |
| 551 | xor %g1, %g3, %g3 |
| 552 | xor %g2, %g7, %g7 |
| 553 | MOVXTOD_G3_F4 |
| 554 | MOVXTOD_G7_F6 |
| 555 | |
| 556 | ENCRYPT_128(8, 4, 6, 0, 2) |
| 557 | |
| 558 | std %f4, [%o2 + 0x00] |
| 559 | std %f6, [%o2 + 0x08] |
| 560 | subcc %o4, 0x10, %o4 |
| 561 | bne,pt %xcc, 2b |
| 562 | add %o2, 0x10, %o2 |
| 563 | |
| 564 | retl |
| 565 | nop |
| 566 | ENDPROC(aes_sparc64_ecb_encrypt) |
| 567 | |
| 568 | ENTRY(aes_sparc64_ecb_decrypt) |
| 569 | /* %o0=&key[key_len], %o1=input, %o2=output, %o3=key_len, %o4=len, %o5=iv */ |
| 570 | ldx [%o0 - 0x10], %g1 |
| 571 | ldx [%o0 - 0x08], %g2 |
| 572 | cmp %o3, 24 |
| 573 | bl 2f |
| 574 | nop |
| 575 | be 1f |
| 576 | nop |
| 577 | |
| 578 | 0: |
| 579 | /* 256-bit key */ |
| 580 | ldx [%o1 + 0x00], %g3 |
| 581 | ldx [%o1 + 0x08], %g7 |
| 582 | add %o1, 0x10, %o1 |
| 583 | xor %g1, %g3, %g3 |
| 584 | xor %g2, %g7, %g7 |
| 585 | MOVXTOD_G3_F4 |
| 586 | MOVXTOD_G7_F6 |
| 587 | |
| 588 | DECRYPT_256(64, 4, 6, 0, 2) |
| 589 | |
| 590 | std %f4, [%o2 + 0x00] |
| 591 | std %f6, [%o2 + 0x08] |
| 592 | subcc %o4, 0x10, %o4 |
| 593 | bne,pt %xcc, 0b |
| 594 | add %o2, 0x10, %o2 |
| 595 | |
| 596 | retl |
| 597 | nop |
| 598 | |
| 599 | 1: |
| 600 | /* 192-bit key */ |
| 601 | ldx [%o1 + 0x00], %g3 |
| 602 | ldx [%o1 + 0x08], %g7 |
| 603 | add %o1, 0x10, %o1 |
| 604 | xor %g1, %g3, %g3 |
| 605 | xor %g2, %g7, %g7 |
| 606 | MOVXTOD_G3_F4 |
| 607 | MOVXTOD_G7_F6 |
| 608 | |
| 609 | DECRYPT_192(56, 4, 6, 0, 2) |
| 610 | |
| 611 | std %f4, [%o2 + 0x00] |
| 612 | std %f6, [%o2 + 0x08] |
| 613 | subcc %o4, 0x10, %o4 |
| 614 | bne,pt %xcc, 1b |
| 615 | add %o2, 0x10, %o2 |
| 616 | |
| 617 | retl |
| 618 | nop |
| 619 | |
| 620 | 2: |
| 621 | /* 128-bit key */ |
| 622 | ldx [%o1 + 0x00], %g3 |
| 623 | ldx [%o1 + 0x08], %g7 |
| 624 | add %o1, 0x10, %o1 |
| 625 | xor %g1, %g3, %g3 |
| 626 | xor %g2, %g7, %g7 |
| 627 | MOVXTOD_G3_F4 |
| 628 | MOVXTOD_G7_F6 |
| 629 | |
| 630 | DECRYPT_128(48, 4, 6, 0, 2) |
| 631 | |
| 632 | std %f4, [%o2 + 0x00] |
| 633 | std %f6, [%o2 + 0x08] |
| 634 | subcc %o4, 0x10, %o4 |
| 635 | bne,pt %xcc, 2b |
| 636 | add %o2, 0x10, %o2 |
| 637 | |
| 638 | retl |
| 639 | nop |
| 640 | ENDPROC(aes_sparc64_ecb_decrypt) |
| 641 | |
| 642 | ENTRY(aes_sparc64_cbc_encrypt) |
| 643 | /* %o0=key, %o1=input, %o2=output, %o3=key_len, %o4=len */ |
| 644 | ldd [%o5 + 0x00], %f4 |
| 645 | ldd [%o5 + 0x08], %f6 |
| 646 | ldx [%o0 + 0x00], %g1 |
| 647 | ldx [%o0 + 0x08], %g2 |
| 648 | cmp %o3, 24 |
| 649 | bl 2f |
| 650 | nop |
| 651 | be 1f |
| 652 | nop |
| 653 | |
| 654 | 0: |
| 655 | /* 256-bit key */ |
| 656 | ldx [%o1 + 0x00], %g3 |
| 657 | ldx [%o1 + 0x08], %g7 |
| 658 | add %o1, 0x10, %o1 |
| 659 | xor %g1, %g3, %g3 |
| 660 | xor %g2, %g7, %g7 |
| 661 | MOVXTOD_G3_F0 |
| 662 | MOVXTOD_G7_F2 |
| 663 | fxor %f4, %f0, %f4 |
| 664 | fxor %f6, %f2, %f6 |
| 665 | |
| 666 | ENCRYPT_256(8, 4, 6, 0, 2) |
| 667 | |
| 668 | std %f4, [%o2 + 0x00] |
| 669 | std %f6, [%o2 + 0x08] |
| 670 | subcc %o4, 0x10, %o4 |
| 671 | bne,pt %xcc, 0b |
| 672 | add %o2, 0x10, %o2 |
| 673 | |
| 674 | std %f4, [%o5 + 0x00] |
| 675 | std %f6, [%o5 + 0x08] |
| 676 | |
| 677 | retl |
| 678 | nop |
| 679 | |
| 680 | 1: |
| 681 | /* 192-bit key */ |
| 682 | ldx [%o1 + 0x00], %g3 |
| 683 | ldx [%o1 + 0x08], %g7 |
| 684 | add %o1, 0x10, %o1 |
| 685 | xor %g1, %g3, %g3 |
| 686 | xor %g2, %g7, %g7 |
| 687 | MOVXTOD_G3_F0 |
| 688 | MOVXTOD_G7_F2 |
| 689 | fxor %f4, %f0, %f4 |
| 690 | fxor %f6, %f2, %f6 |
| 691 | |
| 692 | ENCRYPT_192(8, 4, 6, 0, 2) |
| 693 | |
| 694 | std %f4, [%o2 + 0x00] |
| 695 | std %f6, [%o2 + 0x08] |
| 696 | subcc %o4, 0x10, %o4 |
| 697 | bne,pt %xcc, 1b |
| 698 | add %o2, 0x10, %o2 |
| 699 | |
| 700 | std %f4, [%o5 + 0x00] |
| 701 | std %f6, [%o5 + 0x08] |
| 702 | |
| 703 | retl |
| 704 | nop |
| 705 | |
| 706 | 2: |
| 707 | /* 128-bit key */ |
| 708 | ldx [%o1 + 0x00], %g3 |
| 709 | ldx [%o1 + 0x08], %g7 |
| 710 | add %o1, 0x10, %o1 |
| 711 | xor %g1, %g3, %g3 |
| 712 | xor %g2, %g7, %g7 |
| 713 | MOVXTOD_G3_F0 |
| 714 | MOVXTOD_G7_F2 |
| 715 | fxor %f4, %f0, %f4 |
| 716 | fxor %f6, %f2, %f6 |
| 717 | |
| 718 | ENCRYPT_128(8, 4, 6, 0, 2) |
| 719 | |
| 720 | std %f4, [%o2 + 0x00] |
| 721 | std %f6, [%o2 + 0x08] |
| 722 | subcc %o4, 0x10, %o4 |
| 723 | bne,pt %xcc, 2b |
| 724 | add %o2, 0x10, %o2 |
| 725 | |
| 726 | std %f4, [%o5 + 0x00] |
| 727 | std %f6, [%o5 + 0x08] |
| 728 | |
| 729 | retl |
| 730 | nop |
| 731 | ENDPROC(aes_sparc64_cbc_encrypt) |
| 732 | |
| 733 | ENTRY(aes_sparc64_cbc_decrypt) |
| 734 | /* %o0=&key[key_len], %o1=key_len, %o2=input, %o3=output, %o4=len, %o5=iv */ |
| 735 | ldx [%o0 - 0x10], %g1 |
| 736 | ldx [%o0 - 0x08], %g2 |
| 737 | cmp %o1, 24 |
| 738 | ldx [%o5 + 0x00], %o0 |
| 739 | bl 2f |
| 740 | ldx [%o5 + 0x08], %o1 |
| 741 | be 1f |
| 742 | nop |
| 743 | |
| 744 | 0: |
| 745 | /* 256-bit key */ |
| 746 | ldx [%o2 + 0x00], %g3 |
| 747 | ldx [%o2 + 0x08], %g7 |
| 748 | add %o2, 0x10, %o2 |
| 749 | xor %g1, %g3, %g3 |
| 750 | xor %g2, %g7, %g7 |
| 751 | MOVXTOD_G3_F4 |
| 752 | MOVXTOD_G7_F6 |
| 753 | |
| 754 | DECRYPT_256(64, 4, 6, 0, 2) |
| 755 | |
| 756 | MOVXTOD_O0_F0 |
| 757 | MOVXTOD_O1_F2 |
| 758 | xor %g1, %g3, %o0 |
| 759 | xor %g2, %g7, %o1 |
| 760 | fxor %f4, %f0, %f4 |
| 761 | fxor %f6, %f2, %f6 |
| 762 | |
| 763 | std %f4, [%o3 + 0x00] |
| 764 | std %f6, [%o3 + 0x08] |
| 765 | subcc %o4, 0x10, %o4 |
| 766 | bne,pt %xcc, 0b |
| 767 | add %o3, 0x10, %o3 |
| 768 | |
| 769 | stx %o0, [%o5 + 0x00] |
| 770 | stx %o1, [%o5 + 0x08] |
| 771 | |
| 772 | retl |
| 773 | nop |
| 774 | |
| 775 | 1: |
| 776 | /* 192-bit key */ |
| 777 | ldx [%o2 + 0x00], %g3 |
| 778 | ldx [%o2 + 0x08], %g7 |
| 779 | add %o2, 0x10, %o2 |
| 780 | xor %g1, %g3, %g3 |
| 781 | xor %g2, %g7, %g7 |
| 782 | MOVXTOD_G3_F4 |
| 783 | MOVXTOD_G7_F6 |
| 784 | |
| 785 | DECRYPT_192(56, 4, 6, 0, 2) |
| 786 | |
| 787 | MOVXTOD_O0_F0 |
| 788 | MOVXTOD_O1_F2 |
| 789 | xor %g1, %g3, %o0 |
| 790 | xor %g2, %g7, %o1 |
| 791 | fxor %f4, %f0, %f4 |
| 792 | fxor %f6, %f2, %f6 |
| 793 | |
| 794 | std %f4, [%o3 + 0x00] |
| 795 | std %f6, [%o3 + 0x08] |
| 796 | subcc %o4, 0x10, %o4 |
| 797 | bne,pt %xcc, 1b |
| 798 | add %o3, 0x10, %o3 |
| 799 | |
| 800 | stx %o0, [%o5 + 0x00] |
| 801 | stx %o1, [%o5 + 0x08] |
| 802 | |
| 803 | retl |
| 804 | nop |
| 805 | |
| 806 | 2: |
| 807 | /* 128-bit key */ |
| 808 | ldx [%o2 + 0x00], %g3 |
| 809 | ldx [%o2 + 0x08], %g7 |
| 810 | add %o2, 0x10, %o2 |
| 811 | xor %g1, %g3, %g3 |
| 812 | xor %g2, %g7, %g7 |
| 813 | MOVXTOD_G3_F4 |
| 814 | MOVXTOD_G7_F6 |
| 815 | |
| 816 | DECRYPT_128(48, 4, 6, 0, 2) |
| 817 | |
| 818 | MOVXTOD_O0_F0 |
| 819 | MOVXTOD_O1_F2 |
| 820 | xor %g1, %g3, %o0 |
| 821 | xor %g2, %g7, %o1 |
| 822 | fxor %f4, %f0, %f4 |
| 823 | fxor %f6, %f2, %f6 |
| 824 | |
| 825 | std %f4, [%o3 + 0x00] |
| 826 | std %f6, [%o3 + 0x08] |
| 827 | subcc %o4, 0x10, %o4 |
| 828 | bne,pt %xcc, 2b |
| 829 | add %o3, 0x10, %o3 |
| 830 | |
| 831 | stx %o0, [%o5 + 0x00] |
| 832 | stx %o1, [%o5 + 0x08] |
| 833 | |
| 834 | retl |
| 835 | nop |
| 836 | ENDPROC(aes_sparc64_cbc_decrypt) |