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1 #!/usr/bin/env perl | |
2 | |
3 # ==================================================================== | |
4 # Written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL | |
5 # project. The module is, however, dual licensed under OpenSSL and | |
6 # CRYPTOGAMS licenses depending on where you obtain it. For further | |
7 # details see http://www.openssl.org/~appro/cryptogams/. | |
8 # ==================================================================== | |
9 | |
10 # Needs more work: key setup, CBC routine... | |
11 # | |
12 # ppc_AES_[en|de]crypt perform at 18 cycles per byte processed with | |
13 # 128-bit key, which is ~40% better than 64-bit code generated by gcc | |
14 # 4.0. But these are not the ones currently used! Their "compact" | |
15 # counterparts are, for security reason. ppc_AES_encrypt_compact runs | |
16 # at 1/2 of ppc_AES_encrypt speed, while ppc_AES_decrypt_compact - | |
17 # at 1/3 of ppc_AES_decrypt. | |
18 | |
19 # February 2010 | |
20 # | |
21 # Rescheduling instructions to favour Power6 pipeline gave 10% | |
22 # performance improvement on the platfrom in question (and marginal | |
23 # improvement even on others). It should be noted that Power6 fails | |
24 # to process byte in 18 cycles, only in 23, because it fails to issue | |
25 # 4 load instructions in two cycles, only in 3. As result non-compact | |
26 # block subroutines are 25% slower than one would expect. Compact | |
27 # functions scale better, because they have pure computational part, | |
28 # which scales perfectly with clock frequency. To be specific | |
29 # ppc_AES_encrypt_compact operates at 42 cycles per byte, while | |
30 # ppc_AES_decrypt_compact - at 55 (in 64-bit build). | |
31 | |
32 $flavour = shift; | |
33 | |
34 if ($flavour =~ /64/) { | |
35 $SIZE_T =8; | |
36 $LRSAVE =2*$SIZE_T; | |
37 $STU ="stdu"; | |
38 $POP ="ld"; | |
39 $PUSH ="std"; | |
40 } elsif ($flavour =~ /32/) { | |
41 $SIZE_T =4; | |
42 $LRSAVE =$SIZE_T; | |
43 $STU ="stwu"; | |
44 $POP ="lwz"; | |
45 $PUSH ="stw"; | |
46 } else { die "nonsense $flavour"; } | |
47 | |
48 $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; | |
49 ( $xlate="${dir}ppc-xlate.pl" and -f $xlate ) or | |
50 ( $xlate="${dir}../../perlasm/ppc-xlate.pl" and -f $xlate) or | |
51 die "can't locate ppc-xlate.pl"; | |
52 | |
53 open STDOUT,"| $^X $xlate $flavour ".shift || die "can't call $xlate: $!"; | |
54 | |
55 $FRAME=32*$SIZE_T; | |
56 | |
57 sub _data_word() | |
58 { my $i; | |
59 while(defined($i=shift)) { $code.=sprintf"\t.long\t0x%08x,0x%08x\n",$i,$i; } | |
60 } | |
61 | |
62 $sp="r1"; | |
63 $toc="r2"; | |
64 $inp="r3"; | |
65 $out="r4"; | |
66 $key="r5"; | |
67 | |
68 $Tbl0="r3"; | |
69 $Tbl1="r6"; | |
70 $Tbl2="r7"; | |
71 $Tbl3="r2"; | |
72 | |
73 $s0="r8"; | |
74 $s1="r9"; | |
75 $s2="r10"; | |
76 $s3="r11"; | |
77 | |
78 $t0="r12"; | |
79 $t1="r13"; | |
80 $t2="r14"; | |
81 $t3="r15"; | |
82 | |
83 $acc00="r16"; | |
84 $acc01="r17"; | |
85 $acc02="r18"; | |
86 $acc03="r19"; | |
87 | |
88 $acc04="r20"; | |
89 $acc05="r21"; | |
90 $acc06="r22"; | |
91 $acc07="r23"; | |
92 | |
93 $acc08="r24"; | |
94 $acc09="r25"; | |
95 $acc10="r26"; | |
96 $acc11="r27"; | |
97 | |
98 $acc12="r28"; | |
99 $acc13="r29"; | |
100 $acc14="r30"; | |
101 $acc15="r31"; | |
102 | |
103 # stay away from TLS pointer | |
104 if ($SIZE_T==8) { die if ($t1 ne "r13"); $t1="r0"; } | |
105 else { die if ($Tbl3 ne "r2"); $Tbl3=$t0; $t0="r0"; } | |
106 $mask80=$Tbl2; | |
107 $mask1b=$Tbl3; | |
108 | |
109 $code.=<<___; | |
110 .machine "any" | |
111 .text | |
112 | |
113 .align 7 | |
114 LAES_Te: | |
115 mflr r0 | |
116 bcl 20,31,\$+4 | |
117 mflr $Tbl0 ; vvvvv "distance" between . and 1st data entry | |
118 addi $Tbl0,$Tbl0,`128-8` | |
119 mtlr r0 | |
120 blr | |
121 .long 0 | |
122 .byte 0,12,0x14,0,0,0,0,0 | |
123 .space `64-9*4` | |
124 LAES_Td: | |
125 mflr r0 | |
126 bcl 20,31,\$+4 | |
127 mflr $Tbl0 ; vvvvvvvv "distance" between . and 1st data entry | |
128 addi $Tbl0,$Tbl0,`128-64-8+2048+256` | |
129 mtlr r0 | |
130 blr | |
131 .long 0 | |
132 .byte 0,12,0x14,0,0,0,0,0 | |
133 .space `128-64-9*4` | |
134 ___ | |
135 &_data_word( | |
136 0xc66363a5, 0xf87c7c84, 0xee777799, 0xf67b7b8d, | |
137 0xfff2f20d, 0xd66b6bbd, 0xde6f6fb1, 0x91c5c554, | |
138 0x60303050, 0x02010103, 0xce6767a9, 0x562b2b7d, | |
139 0xe7fefe19, 0xb5d7d762, 0x4dababe6, 0xec76769a, | |
140 0x8fcaca45, 0x1f82829d, 0x89c9c940, 0xfa7d7d87, | |
141 0xeffafa15, 0xb25959eb, 0x8e4747c9, 0xfbf0f00b, | |
142 0x41adadec, 0xb3d4d467, 0x5fa2a2fd, 0x45afafea, | |
143 0x239c9cbf, 0x53a4a4f7, 0xe4727296, 0x9bc0c05b, | |
144 0x75b7b7c2, 0xe1fdfd1c, 0x3d9393ae, 0x4c26266a, | |
145 0x6c36365a, 0x7e3f3f41, 0xf5f7f702, 0x83cccc4f, | |
146 0x6834345c, 0x51a5a5f4, 0xd1e5e534, 0xf9f1f108, | |
147 0xe2717193, 0xabd8d873, 0x62313153, 0x2a15153f, | |
148 0x0804040c, 0x95c7c752, 0x46232365, 0x9dc3c35e, | |
149 0x30181828, 0x379696a1, 0x0a05050f, 0x2f9a9ab5, | |
150 0x0e070709, 0x24121236, 0x1b80809b, 0xdfe2e23d, | |
151 0xcdebeb26, 0x4e272769, 0x7fb2b2cd, 0xea75759f, | |
152 0x1209091b, 0x1d83839e, 0x582c2c74, 0x341a1a2e, | |
153 0x361b1b2d, 0xdc6e6eb2, 0xb45a5aee, 0x5ba0a0fb, | |
154 0xa45252f6, 0x763b3b4d, 0xb7d6d661, 0x7db3b3ce, | |
155 0x5229297b, 0xdde3e33e, 0x5e2f2f71, 0x13848497, | |
156 0xa65353f5, 0xb9d1d168, 0x00000000, 0xc1eded2c, | |
157 0x40202060, 0xe3fcfc1f, 0x79b1b1c8, 0xb65b5bed, | |
158 0xd46a6abe, 0x8dcbcb46, 0x67bebed9, 0x7239394b, | |
159 0x944a4ade, 0x984c4cd4, 0xb05858e8, 0x85cfcf4a, | |
160 0xbbd0d06b, 0xc5efef2a, 0x4faaaae5, 0xedfbfb16, | |
161 0x864343c5, 0x9a4d4dd7, 0x66333355, 0x11858594, | |
162 0x8a4545cf, 0xe9f9f910, 0x04020206, 0xfe7f7f81, | |
163 0xa05050f0, 0x783c3c44, 0x259f9fba, 0x4ba8a8e3, | |
164 0xa25151f3, 0x5da3a3fe, 0x804040c0, 0x058f8f8a, | |
165 0x3f9292ad, 0x219d9dbc, 0x70383848, 0xf1f5f504, | |
166 0x63bcbcdf, 0x77b6b6c1, 0xafdada75, 0x42212163, | |
167 0x20101030, 0xe5ffff1a, 0xfdf3f30e, 0xbfd2d26d, | |
168 0x81cdcd4c, 0x180c0c14, 0x26131335, 0xc3ecec2f, | |
169 0xbe5f5fe1, 0x359797a2, 0x884444cc, 0x2e171739, | |
170 0x93c4c457, 0x55a7a7f2, 0xfc7e7e82, 0x7a3d3d47, | |
171 0xc86464ac, 0xba5d5de7, 0x3219192b, 0xe6737395, | |
172 0xc06060a0, 0x19818198, 0x9e4f4fd1, 0xa3dcdc7f, | |
173 0x44222266, 0x542a2a7e, 0x3b9090ab, 0x0b888883, | |
174 0x8c4646ca, 0xc7eeee29, 0x6bb8b8d3, 0x2814143c, | |
175 0xa7dede79, 0xbc5e5ee2, 0x160b0b1d, 0xaddbdb76, | |
176 0xdbe0e03b, 0x64323256, 0x743a3a4e, 0x140a0a1e, | |
177 0x924949db, 0x0c06060a, 0x4824246c, 0xb85c5ce4, | |
178 0x9fc2c25d, 0xbdd3d36e, 0x43acacef, 0xc46262a6, | |
179 0x399191a8, 0x319595a4, 0xd3e4e437, 0xf279798b, | |
180 0xd5e7e732, 0x8bc8c843, 0x6e373759, 0xda6d6db7, | |
181 0x018d8d8c, 0xb1d5d564, 0x9c4e4ed2, 0x49a9a9e0, | |
182 0xd86c6cb4, 0xac5656fa, 0xf3f4f407, 0xcfeaea25, | |
183 0xca6565af, 0xf47a7a8e, 0x47aeaee9, 0x10080818, | |
184 0x6fbabad5, 0xf0787888, 0x4a25256f, 0x5c2e2e72, | |
185 0x381c1c24, 0x57a6a6f1, 0x73b4b4c7, 0x97c6c651, | |
186 0xcbe8e823, 0xa1dddd7c, 0xe874749c, 0x3e1f1f21, | |
187 0x964b4bdd, 0x61bdbddc, 0x0d8b8b86, 0x0f8a8a85, | |
188 0xe0707090, 0x7c3e3e42, 0x71b5b5c4, 0xcc6666aa, | |
189 0x904848d8, 0x06030305, 0xf7f6f601, 0x1c0e0e12, | |
190 0xc26161a3, 0x6a35355f, 0xae5757f9, 0x69b9b9d0, | |
191 0x17868691, 0x99c1c158, 0x3a1d1d27, 0x279e9eb9, | |
192 0xd9e1e138, 0xebf8f813, 0x2b9898b3, 0x22111133, | |
193 0xd26969bb, 0xa9d9d970, 0x078e8e89, 0x339494a7, | |
194 0x2d9b9bb6, 0x3c1e1e22, 0x15878792, 0xc9e9e920, | |
195 0x87cece49, 0xaa5555ff, 0x50282878, 0xa5dfdf7a, | |
196 0x038c8c8f, 0x59a1a1f8, 0x09898980, 0x1a0d0d17, | |
197 0x65bfbfda, 0xd7e6e631, 0x844242c6, 0xd06868b8, | |
198 0x824141c3, 0x299999b0, 0x5a2d2d77, 0x1e0f0f11, | |
199 0x7bb0b0cb, 0xa85454fc, 0x6dbbbbd6, 0x2c16163a); | |
200 $code.=<<___; | |
201 .byte 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5 | |
202 .byte 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76 | |
203 .byte 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0 | |
204 .byte 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0 | |
205 .byte 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc | |
206 .byte 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15 | |
207 .byte 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a | |
208 .byte 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75 | |
209 .byte 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0 | |
210 .byte 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84 | |
211 .byte 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b | |
212 .byte 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf | |
213 .byte 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85 | |
214 .byte 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8 | |
215 .byte 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5 | |
216 .byte 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2 | |
217 .byte 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17 | |
218 .byte 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73 | |
219 .byte 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88 | |
220 .byte 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb | |
221 .byte 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c | |
222 .byte 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79 | |
223 .byte 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9 | |
224 .byte 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08 | |
225 .byte 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6 | |
226 .byte 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a | |
227 .byte 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e | |
228 .byte 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e | |
229 .byte 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94 | |
230 .byte 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf | |
231 .byte 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68 | |
232 .byte 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16 | |
233 ___ | |
234 &_data_word( | |
235 0x51f4a750, 0x7e416553, 0x1a17a4c3, 0x3a275e96, | |
236 0x3bab6bcb, 0x1f9d45f1, 0xacfa58ab, 0x4be30393, | |
237 0x2030fa55, 0xad766df6, 0x88cc7691, 0xf5024c25, | |
238 0x4fe5d7fc, 0xc52acbd7, 0x26354480, 0xb562a38f, | |
239 0xdeb15a49, 0x25ba1b67, 0x45ea0e98, 0x5dfec0e1, | |
240 0xc32f7502, 0x814cf012, 0x8d4697a3, 0x6bd3f9c6, | |
241 0x038f5fe7, 0x15929c95, 0xbf6d7aeb, 0x955259da, | |
242 0xd4be832d, 0x587421d3, 0x49e06929, 0x8ec9c844, | |
243 0x75c2896a, 0xf48e7978, 0x99583e6b, 0x27b971dd, | |
244 0xbee14fb6, 0xf088ad17, 0xc920ac66, 0x7dce3ab4, | |
245 0x63df4a18, 0xe51a3182, 0x97513360, 0x62537f45, | |
246 0xb16477e0, 0xbb6bae84, 0xfe81a01c, 0xf9082b94, | |
247 0x70486858, 0x8f45fd19, 0x94de6c87, 0x527bf8b7, | |
248 0xab73d323, 0x724b02e2, 0xe31f8f57, 0x6655ab2a, | |
249 0xb2eb2807, 0x2fb5c203, 0x86c57b9a, 0xd33708a5, | |
250 0x302887f2, 0x23bfa5b2, 0x02036aba, 0xed16825c, | |
251 0x8acf1c2b, 0xa779b492, 0xf307f2f0, 0x4e69e2a1, | |
252 0x65daf4cd, 0x0605bed5, 0xd134621f, 0xc4a6fe8a, | |
253 0x342e539d, 0xa2f355a0, 0x058ae132, 0xa4f6eb75, | |
254 0x0b83ec39, 0x4060efaa, 0x5e719f06, 0xbd6e1051, | |
255 0x3e218af9, 0x96dd063d, 0xdd3e05ae, 0x4de6bd46, | |
256 0x91548db5, 0x71c45d05, 0x0406d46f, 0x605015ff, | |
257 0x1998fb24, 0xd6bde997, 0x894043cc, 0x67d99e77, | |
258 0xb0e842bd, 0x07898b88, 0xe7195b38, 0x79c8eedb, | |
259 0xa17c0a47, 0x7c420fe9, 0xf8841ec9, 0x00000000, | |
260 0x09808683, 0x322bed48, 0x1e1170ac, 0x6c5a724e, | |
261 0xfd0efffb, 0x0f853856, 0x3daed51e, 0x362d3927, | |
262 0x0a0fd964, 0x685ca621, 0x9b5b54d1, 0x24362e3a, | |
263 0x0c0a67b1, 0x9357e70f, 0xb4ee96d2, 0x1b9b919e, | |
264 0x80c0c54f, 0x61dc20a2, 0x5a774b69, 0x1c121a16, | |
265 0xe293ba0a, 0xc0a02ae5, 0x3c22e043, 0x121b171d, | |
266 0x0e090d0b, 0xf28bc7ad, 0x2db6a8b9, 0x141ea9c8, | |
267 0x57f11985, 0xaf75074c, 0xee99ddbb, 0xa37f60fd, | |
268 0xf701269f, 0x5c72f5bc, 0x44663bc5, 0x5bfb7e34, | |
269 0x8b432976, 0xcb23c6dc, 0xb6edfc68, 0xb8e4f163, | |
270 0xd731dcca, 0x42638510, 0x13972240, 0x84c61120, | |
271 0x854a247d, 0xd2bb3df8, 0xaef93211, 0xc729a16d, | |
272 0x1d9e2f4b, 0xdcb230f3, 0x0d8652ec, 0x77c1e3d0, | |
273 0x2bb3166c, 0xa970b999, 0x119448fa, 0x47e96422, | |
274 0xa8fc8cc4, 0xa0f03f1a, 0x567d2cd8, 0x223390ef, | |
275 0x87494ec7, 0xd938d1c1, 0x8ccaa2fe, 0x98d40b36, | |
276 0xa6f581cf, 0xa57ade28, 0xdab78e26, 0x3fadbfa4, | |
277 0x2c3a9de4, 0x5078920d, 0x6a5fcc9b, 0x547e4662, | |
278 0xf68d13c2, 0x90d8b8e8, 0x2e39f75e, 0x82c3aff5, | |
279 0x9f5d80be, 0x69d0937c, 0x6fd52da9, 0xcf2512b3, | |
280 0xc8ac993b, 0x10187da7, 0xe89c636e, 0xdb3bbb7b, | |
281 0xcd267809, 0x6e5918f4, 0xec9ab701, 0x834f9aa8, | |
282 0xe6956e65, 0xaaffe67e, 0x21bccf08, 0xef15e8e6, | |
283 0xbae79bd9, 0x4a6f36ce, 0xea9f09d4, 0x29b07cd6, | |
284 0x31a4b2af, 0x2a3f2331, 0xc6a59430, 0x35a266c0, | |
285 0x744ebc37, 0xfc82caa6, 0xe090d0b0, 0x33a7d815, | |
286 0xf104984a, 0x41ecdaf7, 0x7fcd500e, 0x1791f62f, | |
287 0x764dd68d, 0x43efb04d, 0xccaa4d54, 0xe49604df, | |
288 0x9ed1b5e3, 0x4c6a881b, 0xc12c1fb8, 0x4665517f, | |
289 0x9d5eea04, 0x018c355d, 0xfa877473, 0xfb0b412e, | |
290 0xb3671d5a, 0x92dbd252, 0xe9105633, 0x6dd64713, | |
291 0x9ad7618c, 0x37a10c7a, 0x59f8148e, 0xeb133c89, | |
292 0xcea927ee, 0xb761c935, 0xe11ce5ed, 0x7a47b13c, | |
293 0x9cd2df59, 0x55f2733f, 0x1814ce79, 0x73c737bf, | |
294 0x53f7cdea, 0x5ffdaa5b, 0xdf3d6f14, 0x7844db86, | |
295 0xcaaff381, 0xb968c43e, 0x3824342c, 0xc2a3405f, | |
296 0x161dc372, 0xbce2250c, 0x283c498b, 0xff0d9541, | |
297 0x39a80171, 0x080cb3de, 0xd8b4e49c, 0x6456c190, | |
298 0x7bcb8461, 0xd532b670, 0x486c5c74, 0xd0b85742); | |
299 $code.=<<___; | |
300 .byte 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38 | |
301 .byte 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb | |
302 .byte 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87 | |
303 .byte 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb | |
304 .byte 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d | |
305 .byte 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e | |
306 .byte 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2 | |
307 .byte 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25 | |
308 .byte 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16 | |
309 .byte 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92 | |
310 .byte 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda | |
311 .byte 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84 | |
312 .byte 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a | |
313 .byte 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06 | |
314 .byte 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02 | |
315 .byte 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b | |
316 .byte 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea | |
317 .byte 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73 | |
318 .byte 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85 | |
319 .byte 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e | |
320 .byte 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89 | |
321 .byte 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b | |
322 .byte 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20 | |
323 .byte 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4 | |
324 .byte 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31 | |
325 .byte 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f | |
326 .byte 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d | |
327 .byte 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef | |
328 .byte 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0 | |
329 .byte 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61 | |
330 .byte 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26 | |
331 .byte 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d | |
332 | |
333 | |
334 .globl .AES_encrypt | |
335 .align 7 | |
336 .AES_encrypt: | |
337 $STU $sp,-$FRAME($sp) | |
338 mflr r0 | |
339 | |
340 $PUSH $toc,`$FRAME-$SIZE_T*20`($sp) | |
341 $PUSH r13,`$FRAME-$SIZE_T*19`($sp) | |
342 $PUSH r14,`$FRAME-$SIZE_T*18`($sp) | |
343 $PUSH r15,`$FRAME-$SIZE_T*17`($sp) | |
344 $PUSH r16,`$FRAME-$SIZE_T*16`($sp) | |
345 $PUSH r17,`$FRAME-$SIZE_T*15`($sp) | |
346 $PUSH r18,`$FRAME-$SIZE_T*14`($sp) | |
347 $PUSH r19,`$FRAME-$SIZE_T*13`($sp) | |
348 $PUSH r20,`$FRAME-$SIZE_T*12`($sp) | |
349 $PUSH r21,`$FRAME-$SIZE_T*11`($sp) | |
350 $PUSH r22,`$FRAME-$SIZE_T*10`($sp) | |
351 $PUSH r23,`$FRAME-$SIZE_T*9`($sp) | |
352 $PUSH r24,`$FRAME-$SIZE_T*8`($sp) | |
353 $PUSH r25,`$FRAME-$SIZE_T*7`($sp) | |
354 $PUSH r26,`$FRAME-$SIZE_T*6`($sp) | |
355 $PUSH r27,`$FRAME-$SIZE_T*5`($sp) | |
356 $PUSH r28,`$FRAME-$SIZE_T*4`($sp) | |
357 $PUSH r29,`$FRAME-$SIZE_T*3`($sp) | |
358 $PUSH r30,`$FRAME-$SIZE_T*2`($sp) | |
359 $PUSH r31,`$FRAME-$SIZE_T*1`($sp) | |
360 $PUSH r0,`$FRAME+$LRSAVE`($sp) | |
361 | |
362 andi. $t0,$inp,3 | |
363 andi. $t1,$out,3 | |
364 or. $t0,$t0,$t1 | |
365 bne Lenc_unaligned | |
366 | |
367 Lenc_unaligned_ok: | |
368 lwz $s0,0($inp) | |
369 lwz $s1,4($inp) | |
370 lwz $s2,8($inp) | |
371 lwz $s3,12($inp) | |
372 bl LAES_Te | |
373 bl Lppc_AES_encrypt_compact | |
374 stw $s0,0($out) | |
375 stw $s1,4($out) | |
376 stw $s2,8($out) | |
377 stw $s3,12($out) | |
378 b Lenc_done | |
379 | |
380 Lenc_unaligned: | |
381 subfic $t0,$inp,4096 | |
382 subfic $t1,$out,4096 | |
383 andi. $t0,$t0,4096-16 | |
384 beq Lenc_xpage | |
385 andi. $t1,$t1,4096-16 | |
386 bne Lenc_unaligned_ok | |
387 | |
388 Lenc_xpage: | |
389 lbz $acc00,0($inp) | |
390 lbz $acc01,1($inp) | |
391 lbz $acc02,2($inp) | |
392 lbz $s0,3($inp) | |
393 lbz $acc04,4($inp) | |
394 lbz $acc05,5($inp) | |
395 lbz $acc06,6($inp) | |
396 lbz $s1,7($inp) | |
397 lbz $acc08,8($inp) | |
398 lbz $acc09,9($inp) | |
399 lbz $acc10,10($inp) | |
400 insrwi $s0,$acc00,8,0 | |
401 lbz $s2,11($inp) | |
402 insrwi $s1,$acc04,8,0 | |
403 lbz $acc12,12($inp) | |
404 insrwi $s0,$acc01,8,8 | |
405 lbz $acc13,13($inp) | |
406 insrwi $s1,$acc05,8,8 | |
407 lbz $acc14,14($inp) | |
408 insrwi $s0,$acc02,8,16 | |
409 lbz $s3,15($inp) | |
410 insrwi $s1,$acc06,8,16 | |
411 insrwi $s2,$acc08,8,0 | |
412 insrwi $s3,$acc12,8,0 | |
413 insrwi $s2,$acc09,8,8 | |
414 insrwi $s3,$acc13,8,8 | |
415 insrwi $s2,$acc10,8,16 | |
416 insrwi $s3,$acc14,8,16 | |
417 | |
418 bl LAES_Te | |
419 bl Lppc_AES_encrypt_compact | |
420 | |
421 extrwi $acc00,$s0,8,0 | |
422 extrwi $acc01,$s0,8,8 | |
423 stb $acc00,0($out) | |
424 extrwi $acc02,$s0,8,16 | |
425 stb $acc01,1($out) | |
426 stb $acc02,2($out) | |
427 extrwi $acc04,$s1,8,0 | |
428 stb $s0,3($out) | |
429 extrwi $acc05,$s1,8,8 | |
430 stb $acc04,4($out) | |
431 extrwi $acc06,$s1,8,16 | |
432 stb $acc05,5($out) | |
433 stb $acc06,6($out) | |
434 extrwi $acc08,$s2,8,0 | |
435 stb $s1,7($out) | |
436 extrwi $acc09,$s2,8,8 | |
437 stb $acc08,8($out) | |
438 extrwi $acc10,$s2,8,16 | |
439 stb $acc09,9($out) | |
440 stb $acc10,10($out) | |
441 extrwi $acc12,$s3,8,0 | |
442 stb $s2,11($out) | |
443 extrwi $acc13,$s3,8,8 | |
444 stb $acc12,12($out) | |
445 extrwi $acc14,$s3,8,16 | |
446 stb $acc13,13($out) | |
447 stb $acc14,14($out) | |
448 stb $s3,15($out) | |
449 | |
450 Lenc_done: | |
451 $POP r0,`$FRAME+$LRSAVE`($sp) | |
452 $POP $toc,`$FRAME-$SIZE_T*20`($sp) | |
453 $POP r13,`$FRAME-$SIZE_T*19`($sp) | |
454 $POP r14,`$FRAME-$SIZE_T*18`($sp) | |
455 $POP r15,`$FRAME-$SIZE_T*17`($sp) | |
456 $POP r16,`$FRAME-$SIZE_T*16`($sp) | |
457 $POP r17,`$FRAME-$SIZE_T*15`($sp) | |
458 $POP r18,`$FRAME-$SIZE_T*14`($sp) | |
459 $POP r19,`$FRAME-$SIZE_T*13`($sp) | |
460 $POP r20,`$FRAME-$SIZE_T*12`($sp) | |
461 $POP r21,`$FRAME-$SIZE_T*11`($sp) | |
462 $POP r22,`$FRAME-$SIZE_T*10`($sp) | |
463 $POP r23,`$FRAME-$SIZE_T*9`($sp) | |
464 $POP r24,`$FRAME-$SIZE_T*8`($sp) | |
465 $POP r25,`$FRAME-$SIZE_T*7`($sp) | |
466 $POP r26,`$FRAME-$SIZE_T*6`($sp) | |
467 $POP r27,`$FRAME-$SIZE_T*5`($sp) | |
468 $POP r28,`$FRAME-$SIZE_T*4`($sp) | |
469 $POP r29,`$FRAME-$SIZE_T*3`($sp) | |
470 $POP r30,`$FRAME-$SIZE_T*2`($sp) | |
471 $POP r31,`$FRAME-$SIZE_T*1`($sp) | |
472 mtlr r0 | |
473 addi $sp,$sp,$FRAME | |
474 blr | |
475 .long 0 | |
476 .byte 0,12,4,1,0x80,18,3,0 | |
477 .long 0 | |
478 | |
479 .align 5 | |
480 Lppc_AES_encrypt: | |
481 lwz $acc00,240($key) | |
482 addi $Tbl1,$Tbl0,3 | |
483 lwz $t0,0($key) | |
484 addi $Tbl2,$Tbl0,2 | |
485 lwz $t1,4($key) | |
486 addi $Tbl3,$Tbl0,1 | |
487 lwz $t2,8($key) | |
488 addi $acc00,$acc00,-1 | |
489 lwz $t3,12($key) | |
490 addi $key,$key,16 | |
491 xor $s0,$s0,$t0 | |
492 xor $s1,$s1,$t1 | |
493 xor $s2,$s2,$t2 | |
494 xor $s3,$s3,$t3 | |
495 mtctr $acc00 | |
496 .align 4 | |
497 Lenc_loop: | |
498 rlwinm $acc00,$s0,`32-24+3`,21,28 | |
499 rlwinm $acc01,$s1,`32-24+3`,21,28 | |
500 rlwinm $acc02,$s2,`32-24+3`,21,28 | |
501 rlwinm $acc03,$s3,`32-24+3`,21,28 | |
502 lwz $t0,0($key) | |
503 rlwinm $acc04,$s1,`32-16+3`,21,28 | |
504 lwz $t1,4($key) | |
505 rlwinm $acc05,$s2,`32-16+3`,21,28 | |
506 lwz $t2,8($key) | |
507 rlwinm $acc06,$s3,`32-16+3`,21,28 | |
508 lwz $t3,12($key) | |
509 rlwinm $acc07,$s0,`32-16+3`,21,28 | |
510 lwzx $acc00,$Tbl0,$acc00 | |
511 rlwinm $acc08,$s2,`32-8+3`,21,28 | |
512 lwzx $acc01,$Tbl0,$acc01 | |
513 rlwinm $acc09,$s3,`32-8+3`,21,28 | |
514 lwzx $acc02,$Tbl0,$acc02 | |
515 rlwinm $acc10,$s0,`32-8+3`,21,28 | |
516 lwzx $acc03,$Tbl0,$acc03 | |
517 rlwinm $acc11,$s1,`32-8+3`,21,28 | |
518 lwzx $acc04,$Tbl1,$acc04 | |
519 rlwinm $acc12,$s3,`0+3`,21,28 | |
520 lwzx $acc05,$Tbl1,$acc05 | |
521 rlwinm $acc13,$s0,`0+3`,21,28 | |
522 lwzx $acc06,$Tbl1,$acc06 | |
523 rlwinm $acc14,$s1,`0+3`,21,28 | |
524 lwzx $acc07,$Tbl1,$acc07 | |
525 rlwinm $acc15,$s2,`0+3`,21,28 | |
526 lwzx $acc08,$Tbl2,$acc08 | |
527 xor $t0,$t0,$acc00 | |
528 lwzx $acc09,$Tbl2,$acc09 | |
529 xor $t1,$t1,$acc01 | |
530 lwzx $acc10,$Tbl2,$acc10 | |
531 xor $t2,$t2,$acc02 | |
532 lwzx $acc11,$Tbl2,$acc11 | |
533 xor $t3,$t3,$acc03 | |
534 lwzx $acc12,$Tbl3,$acc12 | |
535 xor $t0,$t0,$acc04 | |
536 lwzx $acc13,$Tbl3,$acc13 | |
537 xor $t1,$t1,$acc05 | |
538 lwzx $acc14,$Tbl3,$acc14 | |
539 xor $t2,$t2,$acc06 | |
540 lwzx $acc15,$Tbl3,$acc15 | |
541 xor $t3,$t3,$acc07 | |
542 xor $t0,$t0,$acc08 | |
543 xor $t1,$t1,$acc09 | |
544 xor $t2,$t2,$acc10 | |
545 xor $t3,$t3,$acc11 | |
546 xor $s0,$t0,$acc12 | |
547 xor $s1,$t1,$acc13 | |
548 xor $s2,$t2,$acc14 | |
549 xor $s3,$t3,$acc15 | |
550 addi $key,$key,16 | |
551 bdnz- Lenc_loop | |
552 | |
553 addi $Tbl2,$Tbl0,2048 | |
554 nop | |
555 lwz $t0,0($key) | |
556 rlwinm $acc00,$s0,`32-24`,24,31 | |
557 lwz $t1,4($key) | |
558 rlwinm $acc01,$s1,`32-24`,24,31 | |
559 lwz $t2,8($key) | |
560 rlwinm $acc02,$s2,`32-24`,24,31 | |
561 lwz $t3,12($key) | |
562 rlwinm $acc03,$s3,`32-24`,24,31 | |
563 lwz $acc08,`2048+0`($Tbl0) ! prefetch Te4 | |
564 rlwinm $acc04,$s1,`32-16`,24,31 | |
565 lwz $acc09,`2048+32`($Tbl0) | |
566 rlwinm $acc05,$s2,`32-16`,24,31 | |
567 lwz $acc10,`2048+64`($Tbl0) | |
568 rlwinm $acc06,$s3,`32-16`,24,31 | |
569 lwz $acc11,`2048+96`($Tbl0) | |
570 rlwinm $acc07,$s0,`32-16`,24,31 | |
571 lwz $acc12,`2048+128`($Tbl0) | |
572 rlwinm $acc08,$s2,`32-8`,24,31 | |
573 lwz $acc13,`2048+160`($Tbl0) | |
574 rlwinm $acc09,$s3,`32-8`,24,31 | |
575 lwz $acc14,`2048+192`($Tbl0) | |
576 rlwinm $acc10,$s0,`32-8`,24,31 | |
577 lwz $acc15,`2048+224`($Tbl0) | |
578 rlwinm $acc11,$s1,`32-8`,24,31 | |
579 lbzx $acc00,$Tbl2,$acc00 | |
580 rlwinm $acc12,$s3,`0`,24,31 | |
581 lbzx $acc01,$Tbl2,$acc01 | |
582 rlwinm $acc13,$s0,`0`,24,31 | |
583 lbzx $acc02,$Tbl2,$acc02 | |
584 rlwinm $acc14,$s1,`0`,24,31 | |
585 lbzx $acc03,$Tbl2,$acc03 | |
586 rlwinm $acc15,$s2,`0`,24,31 | |
587 lbzx $acc04,$Tbl2,$acc04 | |
588 rlwinm $s0,$acc00,24,0,7 | |
589 lbzx $acc05,$Tbl2,$acc05 | |
590 rlwinm $s1,$acc01,24,0,7 | |
591 lbzx $acc06,$Tbl2,$acc06 | |
592 rlwinm $s2,$acc02,24,0,7 | |
593 lbzx $acc07,$Tbl2,$acc07 | |
594 rlwinm $s3,$acc03,24,0,7 | |
595 lbzx $acc08,$Tbl2,$acc08 | |
596 rlwimi $s0,$acc04,16,8,15 | |
597 lbzx $acc09,$Tbl2,$acc09 | |
598 rlwimi $s1,$acc05,16,8,15 | |
599 lbzx $acc10,$Tbl2,$acc10 | |
600 rlwimi $s2,$acc06,16,8,15 | |
601 lbzx $acc11,$Tbl2,$acc11 | |
602 rlwimi $s3,$acc07,16,8,15 | |
603 lbzx $acc12,$Tbl2,$acc12 | |
604 rlwimi $s0,$acc08,8,16,23 | |
605 lbzx $acc13,$Tbl2,$acc13 | |
606 rlwimi $s1,$acc09,8,16,23 | |
607 lbzx $acc14,$Tbl2,$acc14 | |
608 rlwimi $s2,$acc10,8,16,23 | |
609 lbzx $acc15,$Tbl2,$acc15 | |
610 rlwimi $s3,$acc11,8,16,23 | |
611 or $s0,$s0,$acc12 | |
612 or $s1,$s1,$acc13 | |
613 or $s2,$s2,$acc14 | |
614 or $s3,$s3,$acc15 | |
615 xor $s0,$s0,$t0 | |
616 xor $s1,$s1,$t1 | |
617 xor $s2,$s2,$t2 | |
618 xor $s3,$s3,$t3 | |
619 blr | |
620 .long 0 | |
621 .byte 0,12,0x14,0,0,0,0,0 | |
622 | |
623 .align 4 | |
624 Lppc_AES_encrypt_compact: | |
625 lwz $acc00,240($key) | |
626 addi $Tbl1,$Tbl0,2048 | |
627 lwz $t0,0($key) | |
628 lis $mask80,0x8080 | |
629 lwz $t1,4($key) | |
630 lis $mask1b,0x1b1b | |
631 lwz $t2,8($key) | |
632 ori $mask80,$mask80,0x8080 | |
633 lwz $t3,12($key) | |
634 ori $mask1b,$mask1b,0x1b1b | |
635 addi $key,$key,16 | |
636 mtctr $acc00 | |
637 .align 4 | |
638 Lenc_compact_loop: | |
639 xor $s0,$s0,$t0 | |
640 xor $s1,$s1,$t1 | |
641 rlwinm $acc00,$s0,`32-24`,24,31 | |
642 xor $s2,$s2,$t2 | |
643 rlwinm $acc01,$s1,`32-24`,24,31 | |
644 xor $s3,$s3,$t3 | |
645 rlwinm $acc02,$s2,`32-24`,24,31 | |
646 rlwinm $acc03,$s3,`32-24`,24,31 | |
647 rlwinm $acc04,$s1,`32-16`,24,31 | |
648 rlwinm $acc05,$s2,`32-16`,24,31 | |
649 rlwinm $acc06,$s3,`32-16`,24,31 | |
650 rlwinm $acc07,$s0,`32-16`,24,31 | |
651 lbzx $acc00,$Tbl1,$acc00 | |
652 rlwinm $acc08,$s2,`32-8`,24,31 | |
653 lbzx $acc01,$Tbl1,$acc01 | |
654 rlwinm $acc09,$s3,`32-8`,24,31 | |
655 lbzx $acc02,$Tbl1,$acc02 | |
656 rlwinm $acc10,$s0,`32-8`,24,31 | |
657 lbzx $acc03,$Tbl1,$acc03 | |
658 rlwinm $acc11,$s1,`32-8`,24,31 | |
659 lbzx $acc04,$Tbl1,$acc04 | |
660 rlwinm $acc12,$s3,`0`,24,31 | |
661 lbzx $acc05,$Tbl1,$acc05 | |
662 rlwinm $acc13,$s0,`0`,24,31 | |
663 lbzx $acc06,$Tbl1,$acc06 | |
664 rlwinm $acc14,$s1,`0`,24,31 | |
665 lbzx $acc07,$Tbl1,$acc07 | |
666 rlwinm $acc15,$s2,`0`,24,31 | |
667 lbzx $acc08,$Tbl1,$acc08 | |
668 rlwinm $s0,$acc00,24,0,7 | |
669 lbzx $acc09,$Tbl1,$acc09 | |
670 rlwinm $s1,$acc01,24,0,7 | |
671 lbzx $acc10,$Tbl1,$acc10 | |
672 rlwinm $s2,$acc02,24,0,7 | |
673 lbzx $acc11,$Tbl1,$acc11 | |
674 rlwinm $s3,$acc03,24,0,7 | |
675 lbzx $acc12,$Tbl1,$acc12 | |
676 rlwimi $s0,$acc04,16,8,15 | |
677 lbzx $acc13,$Tbl1,$acc13 | |
678 rlwimi $s1,$acc05,16,8,15 | |
679 lbzx $acc14,$Tbl1,$acc14 | |
680 rlwimi $s2,$acc06,16,8,15 | |
681 lbzx $acc15,$Tbl1,$acc15 | |
682 rlwimi $s3,$acc07,16,8,15 | |
683 rlwimi $s0,$acc08,8,16,23 | |
684 rlwimi $s1,$acc09,8,16,23 | |
685 rlwimi $s2,$acc10,8,16,23 | |
686 rlwimi $s3,$acc11,8,16,23 | |
687 lwz $t0,0($key) | |
688 or $s0,$s0,$acc12 | |
689 lwz $t1,4($key) | |
690 or $s1,$s1,$acc13 | |
691 lwz $t2,8($key) | |
692 or $s2,$s2,$acc14 | |
693 lwz $t3,12($key) | |
694 or $s3,$s3,$acc15 | |
695 | |
696 addi $key,$key,16 | |
697 bdz Lenc_compact_done | |
698 | |
699 and $acc00,$s0,$mask80 # r1=r0&0x80808080 | |
700 and $acc01,$s1,$mask80 | |
701 and $acc02,$s2,$mask80 | |
702 and $acc03,$s3,$mask80 | |
703 srwi $acc04,$acc00,7 # r1>>7 | |
704 andc $acc08,$s0,$mask80 # r0&0x7f7f7f7f | |
705 srwi $acc05,$acc01,7 | |
706 andc $acc09,$s1,$mask80 | |
707 srwi $acc06,$acc02,7 | |
708 andc $acc10,$s2,$mask80 | |
709 srwi $acc07,$acc03,7 | |
710 andc $acc11,$s3,$mask80 | |
711 sub $acc00,$acc00,$acc04 # r1-(r1>>7) | |
712 sub $acc01,$acc01,$acc05 | |
713 sub $acc02,$acc02,$acc06 | |
714 sub $acc03,$acc03,$acc07 | |
715 add $acc08,$acc08,$acc08 # (r0&0x7f7f7f7f)<<1 | |
716 add $acc09,$acc09,$acc09 | |
717 add $acc10,$acc10,$acc10 | |
718 add $acc11,$acc11,$acc11 | |
719 and $acc00,$acc00,$mask1b # (r1-(r1>>7))&0x1b1b1b1b | |
720 and $acc01,$acc01,$mask1b | |
721 and $acc02,$acc02,$mask1b | |
722 and $acc03,$acc03,$mask1b | |
723 xor $acc00,$acc00,$acc08 # r2 | |
724 xor $acc01,$acc01,$acc09 | |
725 rotlwi $acc12,$s0,16 # ROTATE(r0,16) | |
726 xor $acc02,$acc02,$acc10 | |
727 rotlwi $acc13,$s1,16 | |
728 xor $acc03,$acc03,$acc11 | |
729 rotlwi $acc14,$s2,16 | |
730 | |
731 xor $s0,$s0,$acc00 # r0^r2 | |
732 rotlwi $acc15,$s3,16 | |
733 xor $s1,$s1,$acc01 | |
734 rotrwi $s0,$s0,24 # ROTATE(r2^r0,24) | |
735 xor $s2,$s2,$acc02 | |
736 rotrwi $s1,$s1,24 | |
737 xor $s3,$s3,$acc03 | |
738 rotrwi $s2,$s2,24 | |
739 xor $s0,$s0,$acc00 # ROTATE(r2^r0,24)^r2 | |
740 rotrwi $s3,$s3,24 | |
741 xor $s1,$s1,$acc01 | |
742 xor $s2,$s2,$acc02 | |
743 xor $s3,$s3,$acc03 | |
744 rotlwi $acc08,$acc12,8 # ROTATE(r0,24) | |
745 xor $s0,$s0,$acc12 # | |
746 rotlwi $acc09,$acc13,8 | |
747 xor $s1,$s1,$acc13 | |
748 rotlwi $acc10,$acc14,8 | |
749 xor $s2,$s2,$acc14 | |
750 rotlwi $acc11,$acc15,8 | |
751 xor $s3,$s3,$acc15 | |
752 xor $s0,$s0,$acc08 # | |
753 xor $s1,$s1,$acc09 | |
754 xor $s2,$s2,$acc10 | |
755 xor $s3,$s3,$acc11 | |
756 | |
757 b Lenc_compact_loop | |
758 .align 4 | |
759 Lenc_compact_done: | |
760 xor $s0,$s0,$t0 | |
761 xor $s1,$s1,$t1 | |
762 xor $s2,$s2,$t2 | |
763 xor $s3,$s3,$t3 | |
764 blr | |
765 .long 0 | |
766 .byte 0,12,0x14,0,0,0,0,0 | |
767 | |
768 .globl .AES_decrypt | |
769 .align 7 | |
770 .AES_decrypt: | |
771 $STU $sp,-$FRAME($sp) | |
772 mflr r0 | |
773 | |
774 $PUSH $toc,`$FRAME-$SIZE_T*20`($sp) | |
775 $PUSH r13,`$FRAME-$SIZE_T*19`($sp) | |
776 $PUSH r14,`$FRAME-$SIZE_T*18`($sp) | |
777 $PUSH r15,`$FRAME-$SIZE_T*17`($sp) | |
778 $PUSH r16,`$FRAME-$SIZE_T*16`($sp) | |
779 $PUSH r17,`$FRAME-$SIZE_T*15`($sp) | |
780 $PUSH r18,`$FRAME-$SIZE_T*14`($sp) | |
781 $PUSH r19,`$FRAME-$SIZE_T*13`($sp) | |
782 $PUSH r20,`$FRAME-$SIZE_T*12`($sp) | |
783 $PUSH r21,`$FRAME-$SIZE_T*11`($sp) | |
784 $PUSH r22,`$FRAME-$SIZE_T*10`($sp) | |
785 $PUSH r23,`$FRAME-$SIZE_T*9`($sp) | |
786 $PUSH r24,`$FRAME-$SIZE_T*8`($sp) | |
787 $PUSH r25,`$FRAME-$SIZE_T*7`($sp) | |
788 $PUSH r26,`$FRAME-$SIZE_T*6`($sp) | |
789 $PUSH r27,`$FRAME-$SIZE_T*5`($sp) | |
790 $PUSH r28,`$FRAME-$SIZE_T*4`($sp) | |
791 $PUSH r29,`$FRAME-$SIZE_T*3`($sp) | |
792 $PUSH r30,`$FRAME-$SIZE_T*2`($sp) | |
793 $PUSH r31,`$FRAME-$SIZE_T*1`($sp) | |
794 $PUSH r0,`$FRAME+$LRSAVE`($sp) | |
795 | |
796 andi. $t0,$inp,3 | |
797 andi. $t1,$out,3 | |
798 or. $t0,$t0,$t1 | |
799 bne Ldec_unaligned | |
800 | |
801 Ldec_unaligned_ok: | |
802 lwz $s0,0($inp) | |
803 lwz $s1,4($inp) | |
804 lwz $s2,8($inp) | |
805 lwz $s3,12($inp) | |
806 bl LAES_Td | |
807 bl Lppc_AES_decrypt_compact | |
808 stw $s0,0($out) | |
809 stw $s1,4($out) | |
810 stw $s2,8($out) | |
811 stw $s3,12($out) | |
812 b Ldec_done | |
813 | |
814 Ldec_unaligned: | |
815 subfic $t0,$inp,4096 | |
816 subfic $t1,$out,4096 | |
817 andi. $t0,$t0,4096-16 | |
818 beq Ldec_xpage | |
819 andi. $t1,$t1,4096-16 | |
820 bne Ldec_unaligned_ok | |
821 | |
822 Ldec_xpage: | |
823 lbz $acc00,0($inp) | |
824 lbz $acc01,1($inp) | |
825 lbz $acc02,2($inp) | |
826 lbz $s0,3($inp) | |
827 lbz $acc04,4($inp) | |
828 lbz $acc05,5($inp) | |
829 lbz $acc06,6($inp) | |
830 lbz $s1,7($inp) | |
831 lbz $acc08,8($inp) | |
832 lbz $acc09,9($inp) | |
833 lbz $acc10,10($inp) | |
834 insrwi $s0,$acc00,8,0 | |
835 lbz $s2,11($inp) | |
836 insrwi $s1,$acc04,8,0 | |
837 lbz $acc12,12($inp) | |
838 insrwi $s0,$acc01,8,8 | |
839 lbz $acc13,13($inp) | |
840 insrwi $s1,$acc05,8,8 | |
841 lbz $acc14,14($inp) | |
842 insrwi $s0,$acc02,8,16 | |
843 lbz $s3,15($inp) | |
844 insrwi $s1,$acc06,8,16 | |
845 insrwi $s2,$acc08,8,0 | |
846 insrwi $s3,$acc12,8,0 | |
847 insrwi $s2,$acc09,8,8 | |
848 insrwi $s3,$acc13,8,8 | |
849 insrwi $s2,$acc10,8,16 | |
850 insrwi $s3,$acc14,8,16 | |
851 | |
852 bl LAES_Td | |
853 bl Lppc_AES_decrypt_compact | |
854 | |
855 extrwi $acc00,$s0,8,0 | |
856 extrwi $acc01,$s0,8,8 | |
857 stb $acc00,0($out) | |
858 extrwi $acc02,$s0,8,16 | |
859 stb $acc01,1($out) | |
860 stb $acc02,2($out) | |
861 extrwi $acc04,$s1,8,0 | |
862 stb $s0,3($out) | |
863 extrwi $acc05,$s1,8,8 | |
864 stb $acc04,4($out) | |
865 extrwi $acc06,$s1,8,16 | |
866 stb $acc05,5($out) | |
867 stb $acc06,6($out) | |
868 extrwi $acc08,$s2,8,0 | |
869 stb $s1,7($out) | |
870 extrwi $acc09,$s2,8,8 | |
871 stb $acc08,8($out) | |
872 extrwi $acc10,$s2,8,16 | |
873 stb $acc09,9($out) | |
874 stb $acc10,10($out) | |
875 extrwi $acc12,$s3,8,0 | |
876 stb $s2,11($out) | |
877 extrwi $acc13,$s3,8,8 | |
878 stb $acc12,12($out) | |
879 extrwi $acc14,$s3,8,16 | |
880 stb $acc13,13($out) | |
881 stb $acc14,14($out) | |
882 stb $s3,15($out) | |
883 | |
884 Ldec_done: | |
885 $POP r0,`$FRAME+$LRSAVE`($sp) | |
886 $POP $toc,`$FRAME-$SIZE_T*20`($sp) | |
887 $POP r13,`$FRAME-$SIZE_T*19`($sp) | |
888 $POP r14,`$FRAME-$SIZE_T*18`($sp) | |
889 $POP r15,`$FRAME-$SIZE_T*17`($sp) | |
890 $POP r16,`$FRAME-$SIZE_T*16`($sp) | |
891 $POP r17,`$FRAME-$SIZE_T*15`($sp) | |
892 $POP r18,`$FRAME-$SIZE_T*14`($sp) | |
893 $POP r19,`$FRAME-$SIZE_T*13`($sp) | |
894 $POP r20,`$FRAME-$SIZE_T*12`($sp) | |
895 $POP r21,`$FRAME-$SIZE_T*11`($sp) | |
896 $POP r22,`$FRAME-$SIZE_T*10`($sp) | |
897 $POP r23,`$FRAME-$SIZE_T*9`($sp) | |
898 $POP r24,`$FRAME-$SIZE_T*8`($sp) | |
899 $POP r25,`$FRAME-$SIZE_T*7`($sp) | |
900 $POP r26,`$FRAME-$SIZE_T*6`($sp) | |
901 $POP r27,`$FRAME-$SIZE_T*5`($sp) | |
902 $POP r28,`$FRAME-$SIZE_T*4`($sp) | |
903 $POP r29,`$FRAME-$SIZE_T*3`($sp) | |
904 $POP r30,`$FRAME-$SIZE_T*2`($sp) | |
905 $POP r31,`$FRAME-$SIZE_T*1`($sp) | |
906 mtlr r0 | |
907 addi $sp,$sp,$FRAME | |
908 blr | |
909 .long 0 | |
910 .byte 0,12,4,1,0x80,18,3,0 | |
911 .long 0 | |
912 | |
913 .align 5 | |
914 Lppc_AES_decrypt: | |
915 lwz $acc00,240($key) | |
916 addi $Tbl1,$Tbl0,3 | |
917 lwz $t0,0($key) | |
918 addi $Tbl2,$Tbl0,2 | |
919 lwz $t1,4($key) | |
920 addi $Tbl3,$Tbl0,1 | |
921 lwz $t2,8($key) | |
922 addi $acc00,$acc00,-1 | |
923 lwz $t3,12($key) | |
924 addi $key,$key,16 | |
925 xor $s0,$s0,$t0 | |
926 xor $s1,$s1,$t1 | |
927 xor $s2,$s2,$t2 | |
928 xor $s3,$s3,$t3 | |
929 mtctr $acc00 | |
930 .align 4 | |
931 Ldec_loop: | |
932 rlwinm $acc00,$s0,`32-24+3`,21,28 | |
933 rlwinm $acc01,$s1,`32-24+3`,21,28 | |
934 rlwinm $acc02,$s2,`32-24+3`,21,28 | |
935 rlwinm $acc03,$s3,`32-24+3`,21,28 | |
936 lwz $t0,0($key) | |
937 rlwinm $acc04,$s3,`32-16+3`,21,28 | |
938 lwz $t1,4($key) | |
939 rlwinm $acc05,$s0,`32-16+3`,21,28 | |
940 lwz $t2,8($key) | |
941 rlwinm $acc06,$s1,`32-16+3`,21,28 | |
942 lwz $t3,12($key) | |
943 rlwinm $acc07,$s2,`32-16+3`,21,28 | |
944 lwzx $acc00,$Tbl0,$acc00 | |
945 rlwinm $acc08,$s2,`32-8+3`,21,28 | |
946 lwzx $acc01,$Tbl0,$acc01 | |
947 rlwinm $acc09,$s3,`32-8+3`,21,28 | |
948 lwzx $acc02,$Tbl0,$acc02 | |
949 rlwinm $acc10,$s0,`32-8+3`,21,28 | |
950 lwzx $acc03,$Tbl0,$acc03 | |
951 rlwinm $acc11,$s1,`32-8+3`,21,28 | |
952 lwzx $acc04,$Tbl1,$acc04 | |
953 rlwinm $acc12,$s1,`0+3`,21,28 | |
954 lwzx $acc05,$Tbl1,$acc05 | |
955 rlwinm $acc13,$s2,`0+3`,21,28 | |
956 lwzx $acc06,$Tbl1,$acc06 | |
957 rlwinm $acc14,$s3,`0+3`,21,28 | |
958 lwzx $acc07,$Tbl1,$acc07 | |
959 rlwinm $acc15,$s0,`0+3`,21,28 | |
960 lwzx $acc08,$Tbl2,$acc08 | |
961 xor $t0,$t0,$acc00 | |
962 lwzx $acc09,$Tbl2,$acc09 | |
963 xor $t1,$t1,$acc01 | |
964 lwzx $acc10,$Tbl2,$acc10 | |
965 xor $t2,$t2,$acc02 | |
966 lwzx $acc11,$Tbl2,$acc11 | |
967 xor $t3,$t3,$acc03 | |
968 lwzx $acc12,$Tbl3,$acc12 | |
969 xor $t0,$t0,$acc04 | |
970 lwzx $acc13,$Tbl3,$acc13 | |
971 xor $t1,$t1,$acc05 | |
972 lwzx $acc14,$Tbl3,$acc14 | |
973 xor $t2,$t2,$acc06 | |
974 lwzx $acc15,$Tbl3,$acc15 | |
975 xor $t3,$t3,$acc07 | |
976 xor $t0,$t0,$acc08 | |
977 xor $t1,$t1,$acc09 | |
978 xor $t2,$t2,$acc10 | |
979 xor $t3,$t3,$acc11 | |
980 xor $s0,$t0,$acc12 | |
981 xor $s1,$t1,$acc13 | |
982 xor $s2,$t2,$acc14 | |
983 xor $s3,$t3,$acc15 | |
984 addi $key,$key,16 | |
985 bdnz- Ldec_loop | |
986 | |
987 addi $Tbl2,$Tbl0,2048 | |
988 nop | |
989 lwz $t0,0($key) | |
990 rlwinm $acc00,$s0,`32-24`,24,31 | |
991 lwz $t1,4($key) | |
992 rlwinm $acc01,$s1,`32-24`,24,31 | |
993 lwz $t2,8($key) | |
994 rlwinm $acc02,$s2,`32-24`,24,31 | |
995 lwz $t3,12($key) | |
996 rlwinm $acc03,$s3,`32-24`,24,31 | |
997 lwz $acc08,`2048+0`($Tbl0) ! prefetch Td4 | |
998 rlwinm $acc04,$s3,`32-16`,24,31 | |
999 lwz $acc09,`2048+32`($Tbl0) | |
1000 rlwinm $acc05,$s0,`32-16`,24,31 | |
1001 lwz $acc10,`2048+64`($Tbl0) | |
1002 lbzx $acc00,$Tbl2,$acc00 | |
1003 lwz $acc11,`2048+96`($Tbl0) | |
1004 lbzx $acc01,$Tbl2,$acc01 | |
1005 lwz $acc12,`2048+128`($Tbl0) | |
1006 rlwinm $acc06,$s1,`32-16`,24,31 | |
1007 lwz $acc13,`2048+160`($Tbl0) | |
1008 rlwinm $acc07,$s2,`32-16`,24,31 | |
1009 lwz $acc14,`2048+192`($Tbl0) | |
1010 rlwinm $acc08,$s2,`32-8`,24,31 | |
1011 lwz $acc15,`2048+224`($Tbl0) | |
1012 rlwinm $acc09,$s3,`32-8`,24,31 | |
1013 lbzx $acc02,$Tbl2,$acc02 | |
1014 rlwinm $acc10,$s0,`32-8`,24,31 | |
1015 lbzx $acc03,$Tbl2,$acc03 | |
1016 rlwinm $acc11,$s1,`32-8`,24,31 | |
1017 lbzx $acc04,$Tbl2,$acc04 | |
1018 rlwinm $acc12,$s1,`0`,24,31 | |
1019 lbzx $acc05,$Tbl2,$acc05 | |
1020 rlwinm $acc13,$s2,`0`,24,31 | |
1021 lbzx $acc06,$Tbl2,$acc06 | |
1022 rlwinm $acc14,$s3,`0`,24,31 | |
1023 lbzx $acc07,$Tbl2,$acc07 | |
1024 rlwinm $acc15,$s0,`0`,24,31 | |
1025 lbzx $acc08,$Tbl2,$acc08 | |
1026 rlwinm $s0,$acc00,24,0,7 | |
1027 lbzx $acc09,$Tbl2,$acc09 | |
1028 rlwinm $s1,$acc01,24,0,7 | |
1029 lbzx $acc10,$Tbl2,$acc10 | |
1030 rlwinm $s2,$acc02,24,0,7 | |
1031 lbzx $acc11,$Tbl2,$acc11 | |
1032 rlwinm $s3,$acc03,24,0,7 | |
1033 lbzx $acc12,$Tbl2,$acc12 | |
1034 rlwimi $s0,$acc04,16,8,15 | |
1035 lbzx $acc13,$Tbl2,$acc13 | |
1036 rlwimi $s1,$acc05,16,8,15 | |
1037 lbzx $acc14,$Tbl2,$acc14 | |
1038 rlwimi $s2,$acc06,16,8,15 | |
1039 lbzx $acc15,$Tbl2,$acc15 | |
1040 rlwimi $s3,$acc07,16,8,15 | |
1041 rlwimi $s0,$acc08,8,16,23 | |
1042 rlwimi $s1,$acc09,8,16,23 | |
1043 rlwimi $s2,$acc10,8,16,23 | |
1044 rlwimi $s3,$acc11,8,16,23 | |
1045 or $s0,$s0,$acc12 | |
1046 or $s1,$s1,$acc13 | |
1047 or $s2,$s2,$acc14 | |
1048 or $s3,$s3,$acc15 | |
1049 xor $s0,$s0,$t0 | |
1050 xor $s1,$s1,$t1 | |
1051 xor $s2,$s2,$t2 | |
1052 xor $s3,$s3,$t3 | |
1053 blr | |
1054 .long 0 | |
1055 .byte 0,12,0x14,0,0,0,0,0 | |
1056 | |
1057 .align 4 | |
1058 Lppc_AES_decrypt_compact: | |
1059 lwz $acc00,240($key) | |
1060 addi $Tbl1,$Tbl0,2048 | |
1061 lwz $t0,0($key) | |
1062 lis $mask80,0x8080 | |
1063 lwz $t1,4($key) | |
1064 lis $mask1b,0x1b1b | |
1065 lwz $t2,8($key) | |
1066 ori $mask80,$mask80,0x8080 | |
1067 lwz $t3,12($key) | |
1068 ori $mask1b,$mask1b,0x1b1b | |
1069 addi $key,$key,16 | |
1070 ___ | |
1071 $code.=<<___ if ($SIZE_T==8); | |
1072 insrdi $mask80,$mask80,32,0 | |
1073 insrdi $mask1b,$mask1b,32,0 | |
1074 ___ | |
1075 $code.=<<___; | |
1076 mtctr $acc00 | |
1077 .align 4 | |
1078 Ldec_compact_loop: | |
1079 xor $s0,$s0,$t0 | |
1080 xor $s1,$s1,$t1 | |
1081 rlwinm $acc00,$s0,`32-24`,24,31 | |
1082 xor $s2,$s2,$t2 | |
1083 rlwinm $acc01,$s1,`32-24`,24,31 | |
1084 xor $s3,$s3,$t3 | |
1085 rlwinm $acc02,$s2,`32-24`,24,31 | |
1086 rlwinm $acc03,$s3,`32-24`,24,31 | |
1087 rlwinm $acc04,$s3,`32-16`,24,31 | |
1088 rlwinm $acc05,$s0,`32-16`,24,31 | |
1089 rlwinm $acc06,$s1,`32-16`,24,31 | |
1090 rlwinm $acc07,$s2,`32-16`,24,31 | |
1091 lbzx $acc00,$Tbl1,$acc00 | |
1092 rlwinm $acc08,$s2,`32-8`,24,31 | |
1093 lbzx $acc01,$Tbl1,$acc01 | |
1094 rlwinm $acc09,$s3,`32-8`,24,31 | |
1095 lbzx $acc02,$Tbl1,$acc02 | |
1096 rlwinm $acc10,$s0,`32-8`,24,31 | |
1097 lbzx $acc03,$Tbl1,$acc03 | |
1098 rlwinm $acc11,$s1,`32-8`,24,31 | |
1099 lbzx $acc04,$Tbl1,$acc04 | |
1100 rlwinm $acc12,$s1,`0`,24,31 | |
1101 lbzx $acc05,$Tbl1,$acc05 | |
1102 rlwinm $acc13,$s2,`0`,24,31 | |
1103 lbzx $acc06,$Tbl1,$acc06 | |
1104 rlwinm $acc14,$s3,`0`,24,31 | |
1105 lbzx $acc07,$Tbl1,$acc07 | |
1106 rlwinm $acc15,$s0,`0`,24,31 | |
1107 lbzx $acc08,$Tbl1,$acc08 | |
1108 rlwinm $s0,$acc00,24,0,7 | |
1109 lbzx $acc09,$Tbl1,$acc09 | |
1110 rlwinm $s1,$acc01,24,0,7 | |
1111 lbzx $acc10,$Tbl1,$acc10 | |
1112 rlwinm $s2,$acc02,24,0,7 | |
1113 lbzx $acc11,$Tbl1,$acc11 | |
1114 rlwinm $s3,$acc03,24,0,7 | |
1115 lbzx $acc12,$Tbl1,$acc12 | |
1116 rlwimi $s0,$acc04,16,8,15 | |
1117 lbzx $acc13,$Tbl1,$acc13 | |
1118 rlwimi $s1,$acc05,16,8,15 | |
1119 lbzx $acc14,$Tbl1,$acc14 | |
1120 rlwimi $s2,$acc06,16,8,15 | |
1121 lbzx $acc15,$Tbl1,$acc15 | |
1122 rlwimi $s3,$acc07,16,8,15 | |
1123 rlwimi $s0,$acc08,8,16,23 | |
1124 rlwimi $s1,$acc09,8,16,23 | |
1125 rlwimi $s2,$acc10,8,16,23 | |
1126 rlwimi $s3,$acc11,8,16,23 | |
1127 lwz $t0,0($key) | |
1128 or $s0,$s0,$acc12 | |
1129 lwz $t1,4($key) | |
1130 or $s1,$s1,$acc13 | |
1131 lwz $t2,8($key) | |
1132 or $s2,$s2,$acc14 | |
1133 lwz $t3,12($key) | |
1134 or $s3,$s3,$acc15 | |
1135 | |
1136 addi $key,$key,16 | |
1137 bdz Ldec_compact_done | |
1138 ___ | |
1139 $code.=<<___ if ($SIZE_T==8); | |
1140 # vectorized permutation improves decrypt performance by 10% | |
1141 insrdi $s0,$s1,32,0 | |
1142 insrdi $s2,$s3,32,0 | |
1143 | |
1144 and $acc00,$s0,$mask80 # r1=r0&0x80808080 | |
1145 and $acc02,$s2,$mask80 | |
1146 srdi $acc04,$acc00,7 # r1>>7 | |
1147 srdi $acc06,$acc02,7 | |
1148 andc $acc08,$s0,$mask80 # r0&0x7f7f7f7f | |
1149 andc $acc10,$s2,$mask80 | |
1150 sub $acc00,$acc00,$acc04 # r1-(r1>>7) | |
1151 sub $acc02,$acc02,$acc06 | |
1152 add $acc08,$acc08,$acc08 # (r0&0x7f7f7f7f)<<1 | |
1153 add $acc10,$acc10,$acc10 | |
1154 and $acc00,$acc00,$mask1b # (r1-(r1>>7))&0x1b1b1b1b | |
1155 and $acc02,$acc02,$mask1b | |
1156 xor $acc00,$acc00,$acc08 # r2 | |
1157 xor $acc02,$acc02,$acc10 | |
1158 | |
1159 and $acc04,$acc00,$mask80 # r1=r2&0x80808080 | |
1160 and $acc06,$acc02,$mask80 | |
1161 srdi $acc08,$acc04,7 # r1>>7 | |
1162 srdi $acc10,$acc06,7 | |
1163 andc $acc12,$acc00,$mask80 # r2&0x7f7f7f7f | |
1164 andc $acc14,$acc02,$mask80 | |
1165 sub $acc04,$acc04,$acc08 # r1-(r1>>7) | |
1166 sub $acc06,$acc06,$acc10 | |
1167 add $acc12,$acc12,$acc12 # (r2&0x7f7f7f7f)<<1 | |
1168 add $acc14,$acc14,$acc14 | |
1169 and $acc04,$acc04,$mask1b # (r1-(r1>>7))&0x1b1b1b1b | |
1170 and $acc06,$acc06,$mask1b | |
1171 xor $acc04,$acc04,$acc12 # r4 | |
1172 xor $acc06,$acc06,$acc14 | |
1173 | |
1174 and $acc08,$acc04,$mask80 # r1=r4&0x80808080 | |
1175 and $acc10,$acc06,$mask80 | |
1176 srdi $acc12,$acc08,7 # r1>>7 | |
1177 srdi $acc14,$acc10,7 | |
1178 sub $acc08,$acc08,$acc12 # r1-(r1>>7) | |
1179 sub $acc10,$acc10,$acc14 | |
1180 andc $acc12,$acc04,$mask80 # r4&0x7f7f7f7f | |
1181 andc $acc14,$acc06,$mask80 | |
1182 add $acc12,$acc12,$acc12 # (r4&0x7f7f7f7f)<<1 | |
1183 add $acc14,$acc14,$acc14 | |
1184 and $acc08,$acc08,$mask1b # (r1-(r1>>7))&0x1b1b1b1b | |
1185 and $acc10,$acc10,$mask1b | |
1186 xor $acc08,$acc08,$acc12 # r8 | |
1187 xor $acc10,$acc10,$acc14 | |
1188 | |
1189 xor $acc00,$acc00,$s0 # r2^r0 | |
1190 xor $acc02,$acc02,$s2 | |
1191 xor $acc04,$acc04,$s0 # r4^r0 | |
1192 xor $acc06,$acc06,$s2 | |
1193 | |
1194 extrdi $acc01,$acc00,32,0 | |
1195 extrdi $acc03,$acc02,32,0 | |
1196 extrdi $acc05,$acc04,32,0 | |
1197 extrdi $acc07,$acc06,32,0 | |
1198 extrdi $acc09,$acc08,32,0 | |
1199 extrdi $acc11,$acc10,32,0 | |
1200 ___ | |
1201 $code.=<<___ if ($SIZE_T==4); | |
1202 and $acc00,$s0,$mask80 # r1=r0&0x80808080 | |
1203 and $acc01,$s1,$mask80 | |
1204 and $acc02,$s2,$mask80 | |
1205 and $acc03,$s3,$mask80 | |
1206 srwi $acc04,$acc00,7 # r1>>7 | |
1207 andc $acc08,$s0,$mask80 # r0&0x7f7f7f7f | |
1208 srwi $acc05,$acc01,7 | |
1209 andc $acc09,$s1,$mask80 | |
1210 srwi $acc06,$acc02,7 | |
1211 andc $acc10,$s2,$mask80 | |
1212 srwi $acc07,$acc03,7 | |
1213 andc $acc11,$s3,$mask80 | |
1214 sub $acc00,$acc00,$acc04 # r1-(r1>>7) | |
1215 sub $acc01,$acc01,$acc05 | |
1216 sub $acc02,$acc02,$acc06 | |
1217 sub $acc03,$acc03,$acc07 | |
1218 add $acc08,$acc08,$acc08 # (r0&0x7f7f7f7f)<<1 | |
1219 add $acc09,$acc09,$acc09 | |
1220 add $acc10,$acc10,$acc10 | |
1221 add $acc11,$acc11,$acc11 | |
1222 and $acc00,$acc00,$mask1b # (r1-(r1>>7))&0x1b1b1b1b | |
1223 and $acc01,$acc01,$mask1b | |
1224 and $acc02,$acc02,$mask1b | |
1225 and $acc03,$acc03,$mask1b | |
1226 xor $acc00,$acc00,$acc08 # r2 | |
1227 xor $acc01,$acc01,$acc09 | |
1228 xor $acc02,$acc02,$acc10 | |
1229 xor $acc03,$acc03,$acc11 | |
1230 | |
1231 and $acc04,$acc00,$mask80 # r1=r2&0x80808080 | |
1232 and $acc05,$acc01,$mask80 | |
1233 and $acc06,$acc02,$mask80 | |
1234 and $acc07,$acc03,$mask80 | |
1235 srwi $acc08,$acc04,7 # r1>>7 | |
1236 andc $acc12,$acc00,$mask80 # r2&0x7f7f7f7f | |
1237 srwi $acc09,$acc05,7 | |
1238 andc $acc13,$acc01,$mask80 | |
1239 srwi $acc10,$acc06,7 | |
1240 andc $acc14,$acc02,$mask80 | |
1241 srwi $acc11,$acc07,7 | |
1242 andc $acc15,$acc03,$mask80 | |
1243 sub $acc04,$acc04,$acc08 # r1-(r1>>7) | |
1244 sub $acc05,$acc05,$acc09 | |
1245 sub $acc06,$acc06,$acc10 | |
1246 sub $acc07,$acc07,$acc11 | |
1247 add $acc12,$acc12,$acc12 # (r2&0x7f7f7f7f)<<1 | |
1248 add $acc13,$acc13,$acc13 | |
1249 add $acc14,$acc14,$acc14 | |
1250 add $acc15,$acc15,$acc15 | |
1251 and $acc04,$acc04,$mask1b # (r1-(r1>>7))&0x1b1b1b1b | |
1252 and $acc05,$acc05,$mask1b | |
1253 and $acc06,$acc06,$mask1b | |
1254 and $acc07,$acc07,$mask1b | |
1255 xor $acc04,$acc04,$acc12 # r4 | |
1256 xor $acc05,$acc05,$acc13 | |
1257 xor $acc06,$acc06,$acc14 | |
1258 xor $acc07,$acc07,$acc15 | |
1259 | |
1260 and $acc08,$acc04,$mask80 # r1=r4&0x80808080 | |
1261 and $acc09,$acc05,$mask80 | |
1262 srwi $acc12,$acc08,7 # r1>>7 | |
1263 and $acc10,$acc06,$mask80 | |
1264 srwi $acc13,$acc09,7 | |
1265 and $acc11,$acc07,$mask80 | |
1266 srwi $acc14,$acc10,7 | |
1267 sub $acc08,$acc08,$acc12 # r1-(r1>>7) | |
1268 srwi $acc15,$acc11,7 | |
1269 sub $acc09,$acc09,$acc13 | |
1270 sub $acc10,$acc10,$acc14 | |
1271 sub $acc11,$acc11,$acc15 | |
1272 andc $acc12,$acc04,$mask80 # r4&0x7f7f7f7f | |
1273 andc $acc13,$acc05,$mask80 | |
1274 andc $acc14,$acc06,$mask80 | |
1275 andc $acc15,$acc07,$mask80 | |
1276 add $acc12,$acc12,$acc12 # (r4&0x7f7f7f7f)<<1 | |
1277 add $acc13,$acc13,$acc13 | |
1278 add $acc14,$acc14,$acc14 | |
1279 add $acc15,$acc15,$acc15 | |
1280 and $acc08,$acc08,$mask1b # (r1-(r1>>7))&0x1b1b1b1b | |
1281 and $acc09,$acc09,$mask1b | |
1282 and $acc10,$acc10,$mask1b | |
1283 and $acc11,$acc11,$mask1b | |
1284 xor $acc08,$acc08,$acc12 # r8 | |
1285 xor $acc09,$acc09,$acc13 | |
1286 xor $acc10,$acc10,$acc14 | |
1287 xor $acc11,$acc11,$acc15 | |
1288 | |
1289 xor $acc00,$acc00,$s0 # r2^r0 | |
1290 xor $acc01,$acc01,$s1 | |
1291 xor $acc02,$acc02,$s2 | |
1292 xor $acc03,$acc03,$s3 | |
1293 xor $acc04,$acc04,$s0 # r4^r0 | |
1294 xor $acc05,$acc05,$s1 | |
1295 xor $acc06,$acc06,$s2 | |
1296 xor $acc07,$acc07,$s3 | |
1297 ___ | |
1298 $code.=<<___; | |
1299 rotrwi $s0,$s0,8 # = ROTATE(r0,8) | |
1300 rotrwi $s1,$s1,8 | |
1301 xor $s0,$s0,$acc00 # ^= r2^r0 | |
1302 rotrwi $s2,$s2,8 | |
1303 xor $s1,$s1,$acc01 | |
1304 rotrwi $s3,$s3,8 | |
1305 xor $s2,$s2,$acc02 | |
1306 xor $s3,$s3,$acc03 | |
1307 xor $acc00,$acc00,$acc08 | |
1308 xor $acc01,$acc01,$acc09 | |
1309 xor $acc02,$acc02,$acc10 | |
1310 xor $acc03,$acc03,$acc11 | |
1311 xor $s0,$s0,$acc04 # ^= r4^r0 | |
1312 rotrwi $acc00,$acc00,24 | |
1313 xor $s1,$s1,$acc05 | |
1314 rotrwi $acc01,$acc01,24 | |
1315 xor $s2,$s2,$acc06 | |
1316 rotrwi $acc02,$acc02,24 | |
1317 xor $s3,$s3,$acc07 | |
1318 rotrwi $acc03,$acc03,24 | |
1319 xor $acc04,$acc04,$acc08 | |
1320 xor $acc05,$acc05,$acc09 | |
1321 xor $acc06,$acc06,$acc10 | |
1322 xor $acc07,$acc07,$acc11 | |
1323 xor $s0,$s0,$acc08 # ^= r8 [^((r4^r0)^(r2^r0)=r4^r2)] | |
1324 rotrwi $acc04,$acc04,16 | |
1325 xor $s1,$s1,$acc09 | |
1326 rotrwi $acc05,$acc05,16 | |
1327 xor $s2,$s2,$acc10 | |
1328 rotrwi $acc06,$acc06,16 | |
1329 xor $s3,$s3,$acc11 | |
1330 rotrwi $acc07,$acc07,16 | |
1331 xor $s0,$s0,$acc00 # ^= ROTATE(r8^r2^r0,24) | |
1332 rotrwi $acc08,$acc08,8 | |
1333 xor $s1,$s1,$acc01 | |
1334 rotrwi $acc09,$acc09,8 | |
1335 xor $s2,$s2,$acc02 | |
1336 rotrwi $acc10,$acc10,8 | |
1337 xor $s3,$s3,$acc03 | |
1338 rotrwi $acc11,$acc11,8 | |
1339 xor $s0,$s0,$acc04 # ^= ROTATE(r8^r4^r0,16) | |
1340 xor $s1,$s1,$acc05 | |
1341 xor $s2,$s2,$acc06 | |
1342 xor $s3,$s3,$acc07 | |
1343 xor $s0,$s0,$acc08 # ^= ROTATE(r8,8) | |
1344 xor $s1,$s1,$acc09 | |
1345 xor $s2,$s2,$acc10 | |
1346 xor $s3,$s3,$acc11 | |
1347 | |
1348 b Ldec_compact_loop | |
1349 .align 4 | |
1350 Ldec_compact_done: | |
1351 xor $s0,$s0,$t0 | |
1352 xor $s1,$s1,$t1 | |
1353 xor $s2,$s2,$t2 | |
1354 xor $s3,$s3,$t3 | |
1355 blr | |
1356 .long 0 | |
1357 .byte 0,12,0x14,0,0,0,0,0 | |
1358 | |
1359 .asciz "AES for PPC, CRYPTOGAMS by <appro\@openssl.org>" | |
1360 .align 7 | |
1361 ___ | |
1362 | |
1363 $code =~ s/\`([^\`]*)\`/eval $1/gem; | |
1364 print $code; | |
1365 close STDOUT; | |
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