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1 #include "arm_arch.h" | |
2 .text | |
3 .code 32 | |
4 | |
5 .type AES_Te,%object | |
6 .align 5 | |
7 AES_Te: | |
8 .word 0xc66363a5, 0xf87c7c84, 0xee777799, 0xf67b7b8d | |
9 .word 0xfff2f20d, 0xd66b6bbd, 0xde6f6fb1, 0x91c5c554 | |
10 .word 0x60303050, 0x02010103, 0xce6767a9, 0x562b2b7d | |
11 .word 0xe7fefe19, 0xb5d7d762, 0x4dababe6, 0xec76769a | |
12 .word 0x8fcaca45, 0x1f82829d, 0x89c9c940, 0xfa7d7d87 | |
13 .word 0xeffafa15, 0xb25959eb, 0x8e4747c9, 0xfbf0f00b | |
14 .word 0x41adadec, 0xb3d4d467, 0x5fa2a2fd, 0x45afafea | |
15 .word 0x239c9cbf, 0x53a4a4f7, 0xe4727296, 0x9bc0c05b | |
16 .word 0x75b7b7c2, 0xe1fdfd1c, 0x3d9393ae, 0x4c26266a | |
17 .word 0x6c36365a, 0x7e3f3f41, 0xf5f7f702, 0x83cccc4f | |
18 .word 0x6834345c, 0x51a5a5f4, 0xd1e5e534, 0xf9f1f108 | |
19 .word 0xe2717193, 0xabd8d873, 0x62313153, 0x2a15153f | |
20 .word 0x0804040c, 0x95c7c752, 0x46232365, 0x9dc3c35e | |
21 .word 0x30181828, 0x379696a1, 0x0a05050f, 0x2f9a9ab5 | |
22 .word 0x0e070709, 0x24121236, 0x1b80809b, 0xdfe2e23d | |
23 .word 0xcdebeb26, 0x4e272769, 0x7fb2b2cd, 0xea75759f | |
24 .word 0x1209091b, 0x1d83839e, 0x582c2c74, 0x341a1a2e | |
25 .word 0x361b1b2d, 0xdc6e6eb2, 0xb45a5aee, 0x5ba0a0fb | |
26 .word 0xa45252f6, 0x763b3b4d, 0xb7d6d661, 0x7db3b3ce | |
27 .word 0x5229297b, 0xdde3e33e, 0x5e2f2f71, 0x13848497 | |
28 .word 0xa65353f5, 0xb9d1d168, 0x00000000, 0xc1eded2c | |
29 .word 0x40202060, 0xe3fcfc1f, 0x79b1b1c8, 0xb65b5bed | |
30 .word 0xd46a6abe, 0x8dcbcb46, 0x67bebed9, 0x7239394b | |
31 .word 0x944a4ade, 0x984c4cd4, 0xb05858e8, 0x85cfcf4a | |
32 .word 0xbbd0d06b, 0xc5efef2a, 0x4faaaae5, 0xedfbfb16 | |
33 .word 0x864343c5, 0x9a4d4dd7, 0x66333355, 0x11858594 | |
34 .word 0x8a4545cf, 0xe9f9f910, 0x04020206, 0xfe7f7f81 | |
35 .word 0xa05050f0, 0x783c3c44, 0x259f9fba, 0x4ba8a8e3 | |
36 .word 0xa25151f3, 0x5da3a3fe, 0x804040c0, 0x058f8f8a | |
37 .word 0x3f9292ad, 0x219d9dbc, 0x70383848, 0xf1f5f504 | |
38 .word 0x63bcbcdf, 0x77b6b6c1, 0xafdada75, 0x42212163 | |
39 .word 0x20101030, 0xe5ffff1a, 0xfdf3f30e, 0xbfd2d26d | |
40 .word 0x81cdcd4c, 0x180c0c14, 0x26131335, 0xc3ecec2f | |
41 .word 0xbe5f5fe1, 0x359797a2, 0x884444cc, 0x2e171739 | |
42 .word 0x93c4c457, 0x55a7a7f2, 0xfc7e7e82, 0x7a3d3d47 | |
43 .word 0xc86464ac, 0xba5d5de7, 0x3219192b, 0xe6737395 | |
44 .word 0xc06060a0, 0x19818198, 0x9e4f4fd1, 0xa3dcdc7f | |
45 .word 0x44222266, 0x542a2a7e, 0x3b9090ab, 0x0b888883 | |
46 .word 0x8c4646ca, 0xc7eeee29, 0x6bb8b8d3, 0x2814143c | |
47 .word 0xa7dede79, 0xbc5e5ee2, 0x160b0b1d, 0xaddbdb76 | |
48 .word 0xdbe0e03b, 0x64323256, 0x743a3a4e, 0x140a0a1e | |
49 .word 0x924949db, 0x0c06060a, 0x4824246c, 0xb85c5ce4 | |
50 .word 0x9fc2c25d, 0xbdd3d36e, 0x43acacef, 0xc46262a6 | |
51 .word 0x399191a8, 0x319595a4, 0xd3e4e437, 0xf279798b | |
52 .word 0xd5e7e732, 0x8bc8c843, 0x6e373759, 0xda6d6db7 | |
53 .word 0x018d8d8c, 0xb1d5d564, 0x9c4e4ed2, 0x49a9a9e0 | |
54 .word 0xd86c6cb4, 0xac5656fa, 0xf3f4f407, 0xcfeaea25 | |
55 .word 0xca6565af, 0xf47a7a8e, 0x47aeaee9, 0x10080818 | |
56 .word 0x6fbabad5, 0xf0787888, 0x4a25256f, 0x5c2e2e72 | |
57 .word 0x381c1c24, 0x57a6a6f1, 0x73b4b4c7, 0x97c6c651 | |
58 .word 0xcbe8e823, 0xa1dddd7c, 0xe874749c, 0x3e1f1f21 | |
59 .word 0x964b4bdd, 0x61bdbddc, 0x0d8b8b86, 0x0f8a8a85 | |
60 .word 0xe0707090, 0x7c3e3e42, 0x71b5b5c4, 0xcc6666aa | |
61 .word 0x904848d8, 0x06030305, 0xf7f6f601, 0x1c0e0e12 | |
62 .word 0xc26161a3, 0x6a35355f, 0xae5757f9, 0x69b9b9d0 | |
63 .word 0x17868691, 0x99c1c158, 0x3a1d1d27, 0x279e9eb9 | |
64 .word 0xd9e1e138, 0xebf8f813, 0x2b9898b3, 0x22111133 | |
65 .word 0xd26969bb, 0xa9d9d970, 0x078e8e89, 0x339494a7 | |
66 .word 0x2d9b9bb6, 0x3c1e1e22, 0x15878792, 0xc9e9e920 | |
67 .word 0x87cece49, 0xaa5555ff, 0x50282878, 0xa5dfdf7a | |
68 .word 0x038c8c8f, 0x59a1a1f8, 0x09898980, 0x1a0d0d17 | |
69 .word 0x65bfbfda, 0xd7e6e631, 0x844242c6, 0xd06868b8 | |
70 .word 0x824141c3, 0x299999b0, 0x5a2d2d77, 0x1e0f0f11 | |
71 .word 0x7bb0b0cb, 0xa85454fc, 0x6dbbbbd6, 0x2c16163a | |
72 @ Te4[256] | |
73 .byte 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5 | |
74 .byte 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76 | |
75 .byte 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0 | |
76 .byte 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0 | |
77 .byte 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc | |
78 .byte 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15 | |
79 .byte 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a | |
80 .byte 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75 | |
81 .byte 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0 | |
82 .byte 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84 | |
83 .byte 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b | |
84 .byte 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf | |
85 .byte 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85 | |
86 .byte 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8 | |
87 .byte 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5 | |
88 .byte 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2 | |
89 .byte 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17 | |
90 .byte 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73 | |
91 .byte 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88 | |
92 .byte 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb | |
93 .byte 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c | |
94 .byte 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79 | |
95 .byte 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9 | |
96 .byte 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08 | |
97 .byte 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6 | |
98 .byte 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a | |
99 .byte 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e | |
100 .byte 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e | |
101 .byte 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94 | |
102 .byte 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf | |
103 .byte 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68 | |
104 .byte 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16 | |
105 @ rcon[] | |
106 .word 0x01000000, 0x02000000, 0x04000000, 0x08000000 | |
107 .word 0x10000000, 0x20000000, 0x40000000, 0x80000000 | |
108 .word 0x1B000000, 0x36000000, 0, 0, 0, 0, 0, 0 | |
109 .size AES_Te,.-AES_Te | |
110 | |
111 @ void AES_encrypt(const unsigned char *in, unsigned char *out, | |
112 @ const AES_KEY *key) { | |
113 .global AES_encrypt | |
114 .type AES_encrypt,%function | |
115 .align 5 | |
116 AES_encrypt: | |
117 sub r3,pc,#8 @ AES_encrypt | |
118 stmdb sp!,{r1,r4-r12,lr} | |
119 mov r12,r0 @ inp | |
120 mov r11,r2 | |
121 sub r10,r3,#AES_encrypt-AES_Te @ Te | |
122 #if __ARM_ARCH__<7 | |
123 ldrb r0,[r12,#3] @ load input data in endian-neutral | |
124 ldrb r4,[r12,#2] @ manner... | |
125 ldrb r5,[r12,#1] | |
126 ldrb r6,[r12,#0] | |
127 orr r0,r0,r4,lsl#8 | |
128 ldrb r1,[r12,#7] | |
129 orr r0,r0,r5,lsl#16 | |
130 ldrb r4,[r12,#6] | |
131 orr r0,r0,r6,lsl#24 | |
132 ldrb r5,[r12,#5] | |
133 ldrb r6,[r12,#4] | |
134 orr r1,r1,r4,lsl#8 | |
135 ldrb r2,[r12,#11] | |
136 orr r1,r1,r5,lsl#16 | |
137 ldrb r4,[r12,#10] | |
138 orr r1,r1,r6,lsl#24 | |
139 ldrb r5,[r12,#9] | |
140 ldrb r6,[r12,#8] | |
141 orr r2,r2,r4,lsl#8 | |
142 ldrb r3,[r12,#15] | |
143 orr r2,r2,r5,lsl#16 | |
144 ldrb r4,[r12,#14] | |
145 orr r2,r2,r6,lsl#24 | |
146 ldrb r5,[r12,#13] | |
147 ldrb r6,[r12,#12] | |
148 orr r3,r3,r4,lsl#8 | |
149 orr r3,r3,r5,lsl#16 | |
150 orr r3,r3,r6,lsl#24 | |
151 #else | |
152 ldr r0,[r12,#0] | |
153 ldr r1,[r12,#4] | |
154 ldr r2,[r12,#8] | |
155 ldr r3,[r12,#12] | |
156 #ifdef __ARMEL__ | |
157 rev r0,r0 | |
158 rev r1,r1 | |
159 rev r2,r2 | |
160 rev r3,r3 | |
161 #endif | |
162 #endif | |
163 bl _armv4_AES_encrypt | |
164 | |
165 ldr r12,[sp],#4 @ pop out | |
166 #if __ARM_ARCH__>=7 | |
167 #ifdef __ARMEL__ | |
168 rev r0,r0 | |
169 rev r1,r1 | |
170 rev r2,r2 | |
171 rev r3,r3 | |
172 #endif | |
173 str r0,[r12,#0] | |
174 str r1,[r12,#4] | |
175 str r2,[r12,#8] | |
176 str r3,[r12,#12] | |
177 #else | |
178 mov r4,r0,lsr#24 @ write output in endian-neutral | |
179 mov r5,r0,lsr#16 @ manner... | |
180 mov r6,r0,lsr#8 | |
181 strb r4,[r12,#0] | |
182 strb r5,[r12,#1] | |
183 mov r4,r1,lsr#24 | |
184 strb r6,[r12,#2] | |
185 mov r5,r1,lsr#16 | |
186 strb r0,[r12,#3] | |
187 mov r6,r1,lsr#8 | |
188 strb r4,[r12,#4] | |
189 strb r5,[r12,#5] | |
190 mov r4,r2,lsr#24 | |
191 strb r6,[r12,#6] | |
192 mov r5,r2,lsr#16 | |
193 strb r1,[r12,#7] | |
194 mov r6,r2,lsr#8 | |
195 strb r4,[r12,#8] | |
196 strb r5,[r12,#9] | |
197 mov r4,r3,lsr#24 | |
198 strb r6,[r12,#10] | |
199 mov r5,r3,lsr#16 | |
200 strb r2,[r12,#11] | |
201 mov r6,r3,lsr#8 | |
202 strb r4,[r12,#12] | |
203 strb r5,[r12,#13] | |
204 strb r6,[r12,#14] | |
205 strb r3,[r12,#15] | |
206 #endif | |
207 #if __ARM_ARCH__>=5 | |
208 ldmia sp!,{r4-r12,pc} | |
209 #else | |
210 ldmia sp!,{r4-r12,lr} | |
211 tst lr,#1 | |
212 moveq pc,lr @ be binary compatible with V4, yet | |
213 .word 0xe12fff1e @ interoperable with Thumb ISA:-
) | |
214 #endif | |
215 .size AES_encrypt,.-AES_encrypt | |
216 | |
217 .type _armv4_AES_encrypt,%function | |
218 .align 2 | |
219 _armv4_AES_encrypt: | |
220 str lr,[sp,#-4]! @ push lr | |
221 ldmia r11!,{r4-r7} | |
222 eor r0,r0,r4 | |
223 ldr r12,[r11,#240-16] | |
224 eor r1,r1,r5 | |
225 eor r2,r2,r6 | |
226 eor r3,r3,r7 | |
227 sub r12,r12,#1 | |
228 mov lr,#255 | |
229 | |
230 and r7,lr,r0 | |
231 and r8,lr,r0,lsr#8 | |
232 and r9,lr,r0,lsr#16 | |
233 mov r0,r0,lsr#24 | |
234 .Lenc_loop: | |
235 ldr r4,[r10,r7,lsl#2] @ Te3[s0>>0] | |
236 and r7,lr,r1,lsr#16 @ i0 | |
237 ldr r5,[r10,r8,lsl#2] @ Te2[s0>>8] | |
238 and r8,lr,r1 | |
239 ldr r6,[r10,r9,lsl#2] @ Te1[s0>>16] | |
240 and r9,lr,r1,lsr#8 | |
241 ldr r0,[r10,r0,lsl#2] @ Te0[s0>>24] | |
242 mov r1,r1,lsr#24 | |
243 | |
244 ldr r7,[r10,r7,lsl#2] @ Te1[s1>>16] | |
245 ldr r8,[r10,r8,lsl#2] @ Te3[s1>>0] | |
246 ldr r9,[r10,r9,lsl#2] @ Te2[s1>>8] | |
247 eor r0,r0,r7,ror#8 | |
248 ldr r1,[r10,r1,lsl#2] @ Te0[s1>>24] | |
249 and r7,lr,r2,lsr#8 @ i0 | |
250 eor r5,r5,r8,ror#8 | |
251 and r8,lr,r2,lsr#16 @ i1 | |
252 eor r6,r6,r9,ror#8 | |
253 and r9,lr,r2 | |
254 ldr r7,[r10,r7,lsl#2] @ Te2[s2>>8] | |
255 eor r1,r1,r4,ror#24 | |
256 ldr r8,[r10,r8,lsl#2] @ Te1[s2>>16] | |
257 mov r2,r2,lsr#24 | |
258 | |
259 ldr r9,[r10,r9,lsl#2] @ Te3[s2>>0] | |
260 eor r0,r0,r7,ror#16 | |
261 ldr r2,[r10,r2,lsl#2] @ Te0[s2>>24] | |
262 and r7,lr,r3 @ i0 | |
263 eor r1,r1,r8,ror#8 | |
264 and r8,lr,r3,lsr#8 @ i1 | |
265 eor r6,r6,r9,ror#16 | |
266 and r9,lr,r3,lsr#16 @ i2 | |
267 ldr r7,[r10,r7,lsl#2] @ Te3[s3>>0] | |
268 eor r2,r2,r5,ror#16 | |
269 ldr r8,[r10,r8,lsl#2] @ Te2[s3>>8] | |
270 mov r3,r3,lsr#24 | |
271 | |
272 ldr r9,[r10,r9,lsl#2] @ Te1[s3>>16] | |
273 eor r0,r0,r7,ror#24 | |
274 ldr r7,[r11],#16 | |
275 eor r1,r1,r8,ror#16 | |
276 ldr r3,[r10,r3,lsl#2] @ Te0[s3>>24] | |
277 eor r2,r2,r9,ror#8 | |
278 ldr r4,[r11,#-12] | |
279 eor r3,r3,r6,ror#8 | |
280 | |
281 ldr r5,[r11,#-8] | |
282 eor r0,r0,r7 | |
283 ldr r6,[r11,#-4] | |
284 and r7,lr,r0 | |
285 eor r1,r1,r4 | |
286 and r8,lr,r0,lsr#8 | |
287 eor r2,r2,r5 | |
288 and r9,lr,r0,lsr#16 | |
289 eor r3,r3,r6 | |
290 mov r0,r0,lsr#24 | |
291 | |
292 subs r12,r12,#1 | |
293 bne .Lenc_loop | |
294 | |
295 add r10,r10,#2 | |
296 | |
297 ldrb r4,[r10,r7,lsl#2] @ Te4[s0>>0] | |
298 and r7,lr,r1,lsr#16 @ i0 | |
299 ldrb r5,[r10,r8,lsl#2] @ Te4[s0>>8] | |
300 and r8,lr,r1 | |
301 ldrb r6,[r10,r9,lsl#2] @ Te4[s0>>16] | |
302 and r9,lr,r1,lsr#8 | |
303 ldrb r0,[r10,r0,lsl#2] @ Te4[s0>>24] | |
304 mov r1,r1,lsr#24 | |
305 | |
306 ldrb r7,[r10,r7,lsl#2] @ Te4[s1>>16] | |
307 ldrb r8,[r10,r8,lsl#2] @ Te4[s1>>0] | |
308 ldrb r9,[r10,r9,lsl#2] @ Te4[s1>>8] | |
309 eor r0,r7,r0,lsl#8 | |
310 ldrb r1,[r10,r1,lsl#2] @ Te4[s1>>24] | |
311 and r7,lr,r2,lsr#8 @ i0 | |
312 eor r5,r8,r5,lsl#8 | |
313 and r8,lr,r2,lsr#16 @ i1 | |
314 eor r6,r9,r6,lsl#8 | |
315 and r9,lr,r2 | |
316 ldrb r7,[r10,r7,lsl#2] @ Te4[s2>>8] | |
317 eor r1,r4,r1,lsl#24 | |
318 ldrb r8,[r10,r8,lsl#2] @ Te4[s2>>16] | |
319 mov r2,r2,lsr#24 | |
320 | |
321 ldrb r9,[r10,r9,lsl#2] @ Te4[s2>>0] | |
322 eor r0,r7,r0,lsl#8 | |
323 ldrb r2,[r10,r2,lsl#2] @ Te4[s2>>24] | |
324 and r7,lr,r3 @ i0 | |
325 eor r1,r1,r8,lsl#16 | |
326 and r8,lr,r3,lsr#8 @ i1 | |
327 eor r6,r9,r6,lsl#8 | |
328 and r9,lr,r3,lsr#16 @ i2 | |
329 ldrb r7,[r10,r7,lsl#2] @ Te4[s3>>0] | |
330 eor r2,r5,r2,lsl#24 | |
331 ldrb r8,[r10,r8,lsl#2] @ Te4[s3>>8] | |
332 mov r3,r3,lsr#24 | |
333 | |
334 ldrb r9,[r10,r9,lsl#2] @ Te4[s3>>16] | |
335 eor r0,r7,r0,lsl#8 | |
336 ldr r7,[r11,#0] | |
337 ldrb r3,[r10,r3,lsl#2] @ Te4[s3>>24] | |
338 eor r1,r1,r8,lsl#8 | |
339 ldr r4,[r11,#4] | |
340 eor r2,r2,r9,lsl#16 | |
341 ldr r5,[r11,#8] | |
342 eor r3,r6,r3,lsl#24 | |
343 ldr r6,[r11,#12] | |
344 | |
345 eor r0,r0,r7 | |
346 eor r1,r1,r4 | |
347 eor r2,r2,r5 | |
348 eor r3,r3,r6 | |
349 | |
350 sub r10,r10,#2 | |
351 ldr pc,[sp],#4 @ pop and return | |
352 .size _armv4_AES_encrypt,.-_armv4_AES_encrypt | |
353 | |
354 .global private_AES_set_encrypt_key | |
355 .type private_AES_set_encrypt_key,%function | |
356 .align 5 | |
357 private_AES_set_encrypt_key: | |
358 _armv4_AES_set_encrypt_key: | |
359 sub r3,pc,#8 @ AES_set_encrypt_key | |
360 teq r0,#0 | |
361 moveq r0,#-1 | |
362 beq .Labrt | |
363 teq r2,#0 | |
364 moveq r0,#-1 | |
365 beq .Labrt | |
366 | |
367 teq r1,#128 | |
368 beq .Lok | |
369 teq r1,#192 | |
370 beq .Lok | |
371 teq r1,#256 | |
372 movne r0,#-1 | |
373 bne .Labrt | |
374 | |
375 .Lok: stmdb sp!,{r4-r12,lr} | |
376 sub r10,r3,#_armv4_AES_set_encrypt_key-AES_Te-1024 @ Te4 | |
377 | |
378 mov r12,r0 @ inp | |
379 mov lr,r1 @ bits | |
380 mov r11,r2 @ key | |
381 | |
382 #if __ARM_ARCH__<7 | |
383 ldrb r0,[r12,#3] @ load input data in endian-neutral | |
384 ldrb r4,[r12,#2] @ manner... | |
385 ldrb r5,[r12,#1] | |
386 ldrb r6,[r12,#0] | |
387 orr r0,r0,r4,lsl#8 | |
388 ldrb r1,[r12,#7] | |
389 orr r0,r0,r5,lsl#16 | |
390 ldrb r4,[r12,#6] | |
391 orr r0,r0,r6,lsl#24 | |
392 ldrb r5,[r12,#5] | |
393 ldrb r6,[r12,#4] | |
394 orr r1,r1,r4,lsl#8 | |
395 ldrb r2,[r12,#11] | |
396 orr r1,r1,r5,lsl#16 | |
397 ldrb r4,[r12,#10] | |
398 orr r1,r1,r6,lsl#24 | |
399 ldrb r5,[r12,#9] | |
400 ldrb r6,[r12,#8] | |
401 orr r2,r2,r4,lsl#8 | |
402 ldrb r3,[r12,#15] | |
403 orr r2,r2,r5,lsl#16 | |
404 ldrb r4,[r12,#14] | |
405 orr r2,r2,r6,lsl#24 | |
406 ldrb r5,[r12,#13] | |
407 ldrb r6,[r12,#12] | |
408 orr r3,r3,r4,lsl#8 | |
409 str r0,[r11],#16 | |
410 orr r3,r3,r5,lsl#16 | |
411 str r1,[r11,#-12] | |
412 orr r3,r3,r6,lsl#24 | |
413 str r2,[r11,#-8] | |
414 str r3,[r11,#-4] | |
415 #else | |
416 ldr r0,[r12,#0] | |
417 ldr r1,[r12,#4] | |
418 ldr r2,[r12,#8] | |
419 ldr r3,[r12,#12] | |
420 #ifdef __ARMEL__ | |
421 rev r0,r0 | |
422 rev r1,r1 | |
423 rev r2,r2 | |
424 rev r3,r3 | |
425 #endif | |
426 str r0,[r11],#16 | |
427 str r1,[r11,#-12] | |
428 str r2,[r11,#-8] | |
429 str r3,[r11,#-4] | |
430 #endif | |
431 | |
432 teq lr,#128 | |
433 bne .Lnot128 | |
434 mov r12,#10 | |
435 str r12,[r11,#240-16] | |
436 add r6,r10,#256 @ rcon | |
437 mov lr,#255 | |
438 | |
439 .L128_loop: | |
440 and r5,lr,r3,lsr#24 | |
441 and r7,lr,r3,lsr#16 | |
442 ldrb r5,[r10,r5] | |
443 and r8,lr,r3,lsr#8 | |
444 ldrb r7,[r10,r7] | |
445 and r9,lr,r3 | |
446 ldrb r8,[r10,r8] | |
447 orr r5,r5,r7,lsl#24 | |
448 ldrb r9,[r10,r9] | |
449 orr r5,r5,r8,lsl#16 | |
450 ldr r4,[r6],#4 @ rcon[i++] | |
451 orr r5,r5,r9,lsl#8 | |
452 eor r5,r5,r4 | |
453 eor r0,r0,r5 @ rk[4]=rk[0]^... | |
454 eor r1,r1,r0 @ rk[5]=rk[1]^rk[4] | |
455 str r0,[r11],#16 | |
456 eor r2,r2,r1 @ rk[6]=rk[2]^rk[5] | |
457 str r1,[r11,#-12] | |
458 eor r3,r3,r2 @ rk[7]=rk[3]^rk[6] | |
459 str r2,[r11,#-8] | |
460 subs r12,r12,#1 | |
461 str r3,[r11,#-4] | |
462 bne .L128_loop | |
463 sub r2,r11,#176 | |
464 b .Ldone | |
465 | |
466 .Lnot128: | |
467 #if __ARM_ARCH__<7 | |
468 ldrb r8,[r12,#19] | |
469 ldrb r4,[r12,#18] | |
470 ldrb r5,[r12,#17] | |
471 ldrb r6,[r12,#16] | |
472 orr r8,r8,r4,lsl#8 | |
473 ldrb r9,[r12,#23] | |
474 orr r8,r8,r5,lsl#16 | |
475 ldrb r4,[r12,#22] | |
476 orr r8,r8,r6,lsl#24 | |
477 ldrb r5,[r12,#21] | |
478 ldrb r6,[r12,#20] | |
479 orr r9,r9,r4,lsl#8 | |
480 orr r9,r9,r5,lsl#16 | |
481 str r8,[r11],#8 | |
482 orr r9,r9,r6,lsl#24 | |
483 str r9,[r11,#-4] | |
484 #else | |
485 ldr r8,[r12,#16] | |
486 ldr r9,[r12,#20] | |
487 #ifdef __ARMEL__ | |
488 rev r8,r8 | |
489 rev r9,r9 | |
490 #endif | |
491 str r8,[r11],#8 | |
492 str r9,[r11,#-4] | |
493 #endif | |
494 | |
495 teq lr,#192 | |
496 bne .Lnot192 | |
497 mov r12,#12 | |
498 str r12,[r11,#240-24] | |
499 add r6,r10,#256 @ rcon | |
500 mov lr,#255 | |
501 mov r12,#8 | |
502 | |
503 .L192_loop: | |
504 and r5,lr,r9,lsr#24 | |
505 and r7,lr,r9,lsr#16 | |
506 ldrb r5,[r10,r5] | |
507 and r8,lr,r9,lsr#8 | |
508 ldrb r7,[r10,r7] | |
509 and r9,lr,r9 | |
510 ldrb r8,[r10,r8] | |
511 orr r5,r5,r7,lsl#24 | |
512 ldrb r9,[r10,r9] | |
513 orr r5,r5,r8,lsl#16 | |
514 ldr r4,[r6],#4 @ rcon[i++] | |
515 orr r5,r5,r9,lsl#8 | |
516 eor r9,r5,r4 | |
517 eor r0,r0,r9 @ rk[6]=rk[0]^... | |
518 eor r1,r1,r0 @ rk[7]=rk[1]^rk[6] | |
519 str r0,[r11],#24 | |
520 eor r2,r2,r1 @ rk[8]=rk[2]^rk[7] | |
521 str r1,[r11,#-20] | |
522 eor r3,r3,r2 @ rk[9]=rk[3]^rk[8] | |
523 str r2,[r11,#-16] | |
524 subs r12,r12,#1 | |
525 str r3,[r11,#-12] | |
526 subeq r2,r11,#216 | |
527 beq .Ldone | |
528 | |
529 ldr r7,[r11,#-32] | |
530 ldr r8,[r11,#-28] | |
531 eor r7,r7,r3 @ rk[10]=rk[4]^rk[9] | |
532 eor r9,r8,r7 @ rk[11]=rk[5]^rk[10] | |
533 str r7,[r11,#-8] | |
534 str r9,[r11,#-4] | |
535 b .L192_loop | |
536 | |
537 .Lnot192: | |
538 #if __ARM_ARCH__<7 | |
539 ldrb r8,[r12,#27] | |
540 ldrb r4,[r12,#26] | |
541 ldrb r5,[r12,#25] | |
542 ldrb r6,[r12,#24] | |
543 orr r8,r8,r4,lsl#8 | |
544 ldrb r9,[r12,#31] | |
545 orr r8,r8,r5,lsl#16 | |
546 ldrb r4,[r12,#30] | |
547 orr r8,r8,r6,lsl#24 | |
548 ldrb r5,[r12,#29] | |
549 ldrb r6,[r12,#28] | |
550 orr r9,r9,r4,lsl#8 | |
551 orr r9,r9,r5,lsl#16 | |
552 str r8,[r11],#8 | |
553 orr r9,r9,r6,lsl#24 | |
554 str r9,[r11,#-4] | |
555 #else | |
556 ldr r8,[r12,#24] | |
557 ldr r9,[r12,#28] | |
558 #ifdef __ARMEL__ | |
559 rev r8,r8 | |
560 rev r9,r9 | |
561 #endif | |
562 str r8,[r11],#8 | |
563 str r9,[r11,#-4] | |
564 #endif | |
565 | |
566 mov r12,#14 | |
567 str r12,[r11,#240-32] | |
568 add r6,r10,#256 @ rcon | |
569 mov lr,#255 | |
570 mov r12,#7 | |
571 | |
572 .L256_loop: | |
573 and r5,lr,r9,lsr#24 | |
574 and r7,lr,r9,lsr#16 | |
575 ldrb r5,[r10,r5] | |
576 and r8,lr,r9,lsr#8 | |
577 ldrb r7,[r10,r7] | |
578 and r9,lr,r9 | |
579 ldrb r8,[r10,r8] | |
580 orr r5,r5,r7,lsl#24 | |
581 ldrb r9,[r10,r9] | |
582 orr r5,r5,r8,lsl#16 | |
583 ldr r4,[r6],#4 @ rcon[i++] | |
584 orr r5,r5,r9,lsl#8 | |
585 eor r9,r5,r4 | |
586 eor r0,r0,r9 @ rk[8]=rk[0]^... | |
587 eor r1,r1,r0 @ rk[9]=rk[1]^rk[8] | |
588 str r0,[r11],#32 | |
589 eor r2,r2,r1 @ rk[10]=rk[2]^rk[9] | |
590 str r1,[r11,#-28] | |
591 eor r3,r3,r2 @ rk[11]=rk[3]^rk[10] | |
592 str r2,[r11,#-24] | |
593 subs r12,r12,#1 | |
594 str r3,[r11,#-20] | |
595 subeq r2,r11,#256 | |
596 beq .Ldone | |
597 | |
598 and r5,lr,r3 | |
599 and r7,lr,r3,lsr#8 | |
600 ldrb r5,[r10,r5] | |
601 and r8,lr,r3,lsr#16 | |
602 ldrb r7,[r10,r7] | |
603 and r9,lr,r3,lsr#24 | |
604 ldrb r8,[r10,r8] | |
605 orr r5,r5,r7,lsl#8 | |
606 ldrb r9,[r10,r9] | |
607 orr r5,r5,r8,lsl#16 | |
608 ldr r4,[r11,#-48] | |
609 orr r5,r5,r9,lsl#24 | |
610 | |
611 ldr r7,[r11,#-44] | |
612 ldr r8,[r11,#-40] | |
613 eor r4,r4,r5 @ rk[12]=rk[4]^... | |
614 ldr r9,[r11,#-36] | |
615 eor r7,r7,r4 @ rk[13]=rk[5]^rk[12] | |
616 str r4,[r11,#-16] | |
617 eor r8,r8,r7 @ rk[14]=rk[6]^rk[13] | |
618 str r7,[r11,#-12] | |
619 eor r9,r9,r8 @ rk[15]=rk[7]^rk[14] | |
620 str r8,[r11,#-8] | |
621 str r9,[r11,#-4] | |
622 b .L256_loop | |
623 | |
624 .Ldone: mov r0,#0 | |
625 ldmia sp!,{r4-r12,lr} | |
626 .Labrt: tst lr,#1 | |
627 moveq pc,lr @ be binary compatible with V4, yet | |
628 .word 0xe12fff1e @ interoperable with Thumb ISA:-
) | |
629 .size private_AES_set_encrypt_key,.-private_AES_set_encrypt_key | |
630 | |
631 .global private_AES_set_decrypt_key | |
632 .type private_AES_set_decrypt_key,%function | |
633 .align 5 | |
634 private_AES_set_decrypt_key: | |
635 str lr,[sp,#-4]! @ push lr | |
636 bl _armv4_AES_set_encrypt_key | |
637 teq r0,#0 | |
638 ldrne lr,[sp],#4 @ pop lr | |
639 bne .Labrt | |
640 | |
641 stmdb sp!,{r4-r12} | |
642 | |
643 ldr r12,[r2,#240] @ AES_set_encrypt_key preserves r2, | |
644 mov r11,r2 @ which is AES_KEY *key | |
645 mov r7,r2 | |
646 add r8,r2,r12,lsl#4 | |
647 | |
648 .Linv: ldr r0,[r7] | |
649 ldr r1,[r7,#4] | |
650 ldr r2,[r7,#8] | |
651 ldr r3,[r7,#12] | |
652 ldr r4,[r8] | |
653 ldr r5,[r8,#4] | |
654 ldr r6,[r8,#8] | |
655 ldr r9,[r8,#12] | |
656 str r0,[r8],#-16 | |
657 str r1,[r8,#16+4] | |
658 str r2,[r8,#16+8] | |
659 str r3,[r8,#16+12] | |
660 str r4,[r7],#16 | |
661 str r5,[r7,#-12] | |
662 str r6,[r7,#-8] | |
663 str r9,[r7,#-4] | |
664 teq r7,r8 | |
665 bne .Linv | |
666 ldr r0,[r11,#16]! @ prefetch tp1 | |
667 mov r7,#0x80 | |
668 mov r8,#0x1b | |
669 orr r7,r7,#0x8000 | |
670 orr r8,r8,#0x1b00 | |
671 orr r7,r7,r7,lsl#16 | |
672 orr r8,r8,r8,lsl#16 | |
673 sub r12,r12,#1 | |
674 mvn r9,r7 | |
675 mov r12,r12,lsl#2 @ (rounds-1)*4 | |
676 | |
677 .Lmix: and r4,r0,r7 | |
678 and r1,r0,r9 | |
679 sub r4,r4,r4,lsr#7 | |
680 and r4,r4,r8 | |
681 eor r1,r4,r1,lsl#1 @ tp2 | |
682 | |
683 and r4,r1,r7 | |
684 and r2,r1,r9 | |
685 sub r4,r4,r4,lsr#7 | |
686 and r4,r4,r8 | |
687 eor r2,r4,r2,lsl#1 @ tp4 | |
688 | |
689 and r4,r2,r7 | |
690 and r3,r2,r9 | |
691 sub r4,r4,r4,lsr#7 | |
692 and r4,r4,r8 | |
693 eor r3,r4,r3,lsl#1 @ tp8 | |
694 | |
695 eor r4,r1,r2 | |
696 eor r5,r0,r3 @ tp9 | |
697 eor r4,r4,r3 @ tpe | |
698 eor r4,r4,r1,ror#24 | |
699 eor r4,r4,r5,ror#24 @ ^= ROTATE(tpb=tp9^tp2,8) | |
700 eor r4,r4,r2,ror#16 | |
701 eor r4,r4,r5,ror#16 @ ^= ROTATE(tpd=tp9^tp4,16) | |
702 eor r4,r4,r5,ror#8 @ ^= ROTATE(tp9,24) | |
703 | |
704 ldr r0,[r11,#4] @ prefetch tp1 | |
705 str r4,[r11],#4 | |
706 subs r12,r12,#1 | |
707 bne .Lmix | |
708 | |
709 mov r0,#0 | |
710 #if __ARM_ARCH__>=5 | |
711 ldmia sp!,{r4-r12,pc} | |
712 #else | |
713 ldmia sp!,{r4-r12,lr} | |
714 tst lr,#1 | |
715 moveq pc,lr @ be binary compatible with V4, yet | |
716 .word 0xe12fff1e @ interoperable with Thumb ISA:-
) | |
717 #endif | |
718 .size private_AES_set_decrypt_key,.-private_AES_set_decrypt_key | |
719 | |
720 .type AES_Td,%object | |
721 .align 5 | |
722 AES_Td: | |
723 .word 0x51f4a750, 0x7e416553, 0x1a17a4c3, 0x3a275e96 | |
724 .word 0x3bab6bcb, 0x1f9d45f1, 0xacfa58ab, 0x4be30393 | |
725 .word 0x2030fa55, 0xad766df6, 0x88cc7691, 0xf5024c25 | |
726 .word 0x4fe5d7fc, 0xc52acbd7, 0x26354480, 0xb562a38f | |
727 .word 0xdeb15a49, 0x25ba1b67, 0x45ea0e98, 0x5dfec0e1 | |
728 .word 0xc32f7502, 0x814cf012, 0x8d4697a3, 0x6bd3f9c6 | |
729 .word 0x038f5fe7, 0x15929c95, 0xbf6d7aeb, 0x955259da | |
730 .word 0xd4be832d, 0x587421d3, 0x49e06929, 0x8ec9c844 | |
731 .word 0x75c2896a, 0xf48e7978, 0x99583e6b, 0x27b971dd | |
732 .word 0xbee14fb6, 0xf088ad17, 0xc920ac66, 0x7dce3ab4 | |
733 .word 0x63df4a18, 0xe51a3182, 0x97513360, 0x62537f45 | |
734 .word 0xb16477e0, 0xbb6bae84, 0xfe81a01c, 0xf9082b94 | |
735 .word 0x70486858, 0x8f45fd19, 0x94de6c87, 0x527bf8b7 | |
736 .word 0xab73d323, 0x724b02e2, 0xe31f8f57, 0x6655ab2a | |
737 .word 0xb2eb2807, 0x2fb5c203, 0x86c57b9a, 0xd33708a5 | |
738 .word 0x302887f2, 0x23bfa5b2, 0x02036aba, 0xed16825c | |
739 .word 0x8acf1c2b, 0xa779b492, 0xf307f2f0, 0x4e69e2a1 | |
740 .word 0x65daf4cd, 0x0605bed5, 0xd134621f, 0xc4a6fe8a | |
741 .word 0x342e539d, 0xa2f355a0, 0x058ae132, 0xa4f6eb75 | |
742 .word 0x0b83ec39, 0x4060efaa, 0x5e719f06, 0xbd6e1051 | |
743 .word 0x3e218af9, 0x96dd063d, 0xdd3e05ae, 0x4de6bd46 | |
744 .word 0x91548db5, 0x71c45d05, 0x0406d46f, 0x605015ff | |
745 .word 0x1998fb24, 0xd6bde997, 0x894043cc, 0x67d99e77 | |
746 .word 0xb0e842bd, 0x07898b88, 0xe7195b38, 0x79c8eedb | |
747 .word 0xa17c0a47, 0x7c420fe9, 0xf8841ec9, 0x00000000 | |
748 .word 0x09808683, 0x322bed48, 0x1e1170ac, 0x6c5a724e | |
749 .word 0xfd0efffb, 0x0f853856, 0x3daed51e, 0x362d3927 | |
750 .word 0x0a0fd964, 0x685ca621, 0x9b5b54d1, 0x24362e3a | |
751 .word 0x0c0a67b1, 0x9357e70f, 0xb4ee96d2, 0x1b9b919e | |
752 .word 0x80c0c54f, 0x61dc20a2, 0x5a774b69, 0x1c121a16 | |
753 .word 0xe293ba0a, 0xc0a02ae5, 0x3c22e043, 0x121b171d | |
754 .word 0x0e090d0b, 0xf28bc7ad, 0x2db6a8b9, 0x141ea9c8 | |
755 .word 0x57f11985, 0xaf75074c, 0xee99ddbb, 0xa37f60fd | |
756 .word 0xf701269f, 0x5c72f5bc, 0x44663bc5, 0x5bfb7e34 | |
757 .word 0x8b432976, 0xcb23c6dc, 0xb6edfc68, 0xb8e4f163 | |
758 .word 0xd731dcca, 0x42638510, 0x13972240, 0x84c61120 | |
759 .word 0x854a247d, 0xd2bb3df8, 0xaef93211, 0xc729a16d | |
760 .word 0x1d9e2f4b, 0xdcb230f3, 0x0d8652ec, 0x77c1e3d0 | |
761 .word 0x2bb3166c, 0xa970b999, 0x119448fa, 0x47e96422 | |
762 .word 0xa8fc8cc4, 0xa0f03f1a, 0x567d2cd8, 0x223390ef | |
763 .word 0x87494ec7, 0xd938d1c1, 0x8ccaa2fe, 0x98d40b36 | |
764 .word 0xa6f581cf, 0xa57ade28, 0xdab78e26, 0x3fadbfa4 | |
765 .word 0x2c3a9de4, 0x5078920d, 0x6a5fcc9b, 0x547e4662 | |
766 .word 0xf68d13c2, 0x90d8b8e8, 0x2e39f75e, 0x82c3aff5 | |
767 .word 0x9f5d80be, 0x69d0937c, 0x6fd52da9, 0xcf2512b3 | |
768 .word 0xc8ac993b, 0x10187da7, 0xe89c636e, 0xdb3bbb7b | |
769 .word 0xcd267809, 0x6e5918f4, 0xec9ab701, 0x834f9aa8 | |
770 .word 0xe6956e65, 0xaaffe67e, 0x21bccf08, 0xef15e8e6 | |
771 .word 0xbae79bd9, 0x4a6f36ce, 0xea9f09d4, 0x29b07cd6 | |
772 .word 0x31a4b2af, 0x2a3f2331, 0xc6a59430, 0x35a266c0 | |
773 .word 0x744ebc37, 0xfc82caa6, 0xe090d0b0, 0x33a7d815 | |
774 .word 0xf104984a, 0x41ecdaf7, 0x7fcd500e, 0x1791f62f | |
775 .word 0x764dd68d, 0x43efb04d, 0xccaa4d54, 0xe49604df | |
776 .word 0x9ed1b5e3, 0x4c6a881b, 0xc12c1fb8, 0x4665517f | |
777 .word 0x9d5eea04, 0x018c355d, 0xfa877473, 0xfb0b412e | |
778 .word 0xb3671d5a, 0x92dbd252, 0xe9105633, 0x6dd64713 | |
779 .word 0x9ad7618c, 0x37a10c7a, 0x59f8148e, 0xeb133c89 | |
780 .word 0xcea927ee, 0xb761c935, 0xe11ce5ed, 0x7a47b13c | |
781 .word 0x9cd2df59, 0x55f2733f, 0x1814ce79, 0x73c737bf | |
782 .word 0x53f7cdea, 0x5ffdaa5b, 0xdf3d6f14, 0x7844db86 | |
783 .word 0xcaaff381, 0xb968c43e, 0x3824342c, 0xc2a3405f | |
784 .word 0x161dc372, 0xbce2250c, 0x283c498b, 0xff0d9541 | |
785 .word 0x39a80171, 0x080cb3de, 0xd8b4e49c, 0x6456c190 | |
786 .word 0x7bcb8461, 0xd532b670, 0x486c5c74, 0xd0b85742 | |
787 @ Td4[256] | |
788 .byte 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38 | |
789 .byte 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb | |
790 .byte 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87 | |
791 .byte 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb | |
792 .byte 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d | |
793 .byte 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e | |
794 .byte 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2 | |
795 .byte 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25 | |
796 .byte 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16 | |
797 .byte 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92 | |
798 .byte 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda | |
799 .byte 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84 | |
800 .byte 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a | |
801 .byte 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06 | |
802 .byte 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02 | |
803 .byte 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b | |
804 .byte 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea | |
805 .byte 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73 | |
806 .byte 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85 | |
807 .byte 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e | |
808 .byte 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89 | |
809 .byte 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b | |
810 .byte 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20 | |
811 .byte 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4 | |
812 .byte 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31 | |
813 .byte 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f | |
814 .byte 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d | |
815 .byte 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef | |
816 .byte 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0 | |
817 .byte 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61 | |
818 .byte 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26 | |
819 .byte 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d | |
820 .size AES_Td,.-AES_Td | |
821 | |
822 @ void AES_decrypt(const unsigned char *in, unsigned char *out, | |
823 @ const AES_KEY *key) { | |
824 .global AES_decrypt | |
825 .type AES_decrypt,%function | |
826 .align 5 | |
827 AES_decrypt: | |
828 sub r3,pc,#8 @ AES_decrypt | |
829 stmdb sp!,{r1,r4-r12,lr} | |
830 mov r12,r0 @ inp | |
831 mov r11,r2 | |
832 sub r10,r3,#AES_decrypt-AES_Td @ Td | |
833 #if __ARM_ARCH__<7 | |
834 ldrb r0,[r12,#3] @ load input data in endian-neutral | |
835 ldrb r4,[r12,#2] @ manner... | |
836 ldrb r5,[r12,#1] | |
837 ldrb r6,[r12,#0] | |
838 orr r0,r0,r4,lsl#8 | |
839 ldrb r1,[r12,#7] | |
840 orr r0,r0,r5,lsl#16 | |
841 ldrb r4,[r12,#6] | |
842 orr r0,r0,r6,lsl#24 | |
843 ldrb r5,[r12,#5] | |
844 ldrb r6,[r12,#4] | |
845 orr r1,r1,r4,lsl#8 | |
846 ldrb r2,[r12,#11] | |
847 orr r1,r1,r5,lsl#16 | |
848 ldrb r4,[r12,#10] | |
849 orr r1,r1,r6,lsl#24 | |
850 ldrb r5,[r12,#9] | |
851 ldrb r6,[r12,#8] | |
852 orr r2,r2,r4,lsl#8 | |
853 ldrb r3,[r12,#15] | |
854 orr r2,r2,r5,lsl#16 | |
855 ldrb r4,[r12,#14] | |
856 orr r2,r2,r6,lsl#24 | |
857 ldrb r5,[r12,#13] | |
858 ldrb r6,[r12,#12] | |
859 orr r3,r3,r4,lsl#8 | |
860 orr r3,r3,r5,lsl#16 | |
861 orr r3,r3,r6,lsl#24 | |
862 #else | |
863 ldr r0,[r12,#0] | |
864 ldr r1,[r12,#4] | |
865 ldr r2,[r12,#8] | |
866 ldr r3,[r12,#12] | |
867 #ifdef __ARMEL__ | |
868 rev r0,r0 | |
869 rev r1,r1 | |
870 rev r2,r2 | |
871 rev r3,r3 | |
872 #endif | |
873 #endif | |
874 bl _armv4_AES_decrypt | |
875 | |
876 ldr r12,[sp],#4 @ pop out | |
877 #if __ARM_ARCH__>=7 | |
878 #ifdef __ARMEL__ | |
879 rev r0,r0 | |
880 rev r1,r1 | |
881 rev r2,r2 | |
882 rev r3,r3 | |
883 #endif | |
884 str r0,[r12,#0] | |
885 str r1,[r12,#4] | |
886 str r2,[r12,#8] | |
887 str r3,[r12,#12] | |
888 #else | |
889 mov r4,r0,lsr#24 @ write output in endian-neutral | |
890 mov r5,r0,lsr#16 @ manner... | |
891 mov r6,r0,lsr#8 | |
892 strb r4,[r12,#0] | |
893 strb r5,[r12,#1] | |
894 mov r4,r1,lsr#24 | |
895 strb r6,[r12,#2] | |
896 mov r5,r1,lsr#16 | |
897 strb r0,[r12,#3] | |
898 mov r6,r1,lsr#8 | |
899 strb r4,[r12,#4] | |
900 strb r5,[r12,#5] | |
901 mov r4,r2,lsr#24 | |
902 strb r6,[r12,#6] | |
903 mov r5,r2,lsr#16 | |
904 strb r1,[r12,#7] | |
905 mov r6,r2,lsr#8 | |
906 strb r4,[r12,#8] | |
907 strb r5,[r12,#9] | |
908 mov r4,r3,lsr#24 | |
909 strb r6,[r12,#10] | |
910 mov r5,r3,lsr#16 | |
911 strb r2,[r12,#11] | |
912 mov r6,r3,lsr#8 | |
913 strb r4,[r12,#12] | |
914 strb r5,[r12,#13] | |
915 strb r6,[r12,#14] | |
916 strb r3,[r12,#15] | |
917 #endif | |
918 #if __ARM_ARCH__>=5 | |
919 ldmia sp!,{r4-r12,pc} | |
920 #else | |
921 ldmia sp!,{r4-r12,lr} | |
922 tst lr,#1 | |
923 moveq pc,lr @ be binary compatible with V4, yet | |
924 .word 0xe12fff1e @ interoperable with Thumb ISA:-
) | |
925 #endif | |
926 .size AES_decrypt,.-AES_decrypt | |
927 | |
928 .type _armv4_AES_decrypt,%function | |
929 .align 2 | |
930 _armv4_AES_decrypt: | |
931 str lr,[sp,#-4]! @ push lr | |
932 ldmia r11!,{r4-r7} | |
933 eor r0,r0,r4 | |
934 ldr r12,[r11,#240-16] | |
935 eor r1,r1,r5 | |
936 eor r2,r2,r6 | |
937 eor r3,r3,r7 | |
938 sub r12,r12,#1 | |
939 mov lr,#255 | |
940 | |
941 and r7,lr,r0,lsr#16 | |
942 and r8,lr,r0,lsr#8 | |
943 and r9,lr,r0 | |
944 mov r0,r0,lsr#24 | |
945 .Ldec_loop: | |
946 ldr r4,[r10,r7,lsl#2] @ Td1[s0>>16] | |
947 and r7,lr,r1 @ i0 | |
948 ldr r5,[r10,r8,lsl#2] @ Td2[s0>>8] | |
949 and r8,lr,r1,lsr#16 | |
950 ldr r6,[r10,r9,lsl#2] @ Td3[s0>>0] | |
951 and r9,lr,r1,lsr#8 | |
952 ldr r0,[r10,r0,lsl#2] @ Td0[s0>>24] | |
953 mov r1,r1,lsr#24 | |
954 | |
955 ldr r7,[r10,r7,lsl#2] @ Td3[s1>>0] | |
956 ldr r8,[r10,r8,lsl#2] @ Td1[s1>>16] | |
957 ldr r9,[r10,r9,lsl#2] @ Td2[s1>>8] | |
958 eor r0,r0,r7,ror#24 | |
959 ldr r1,[r10,r1,lsl#2] @ Td0[s1>>24] | |
960 and r7,lr,r2,lsr#8 @ i0 | |
961 eor r5,r8,r5,ror#8 | |
962 and r8,lr,r2 @ i1 | |
963 eor r6,r9,r6,ror#8 | |
964 and r9,lr,r2,lsr#16 | |
965 ldr r7,[r10,r7,lsl#2] @ Td2[s2>>8] | |
966 eor r1,r1,r4,ror#8 | |
967 ldr r8,[r10,r8,lsl#2] @ Td3[s2>>0] | |
968 mov r2,r2,lsr#24 | |
969 | |
970 ldr r9,[r10,r9,lsl#2] @ Td1[s2>>16] | |
971 eor r0,r0,r7,ror#16 | |
972 ldr r2,[r10,r2,lsl#2] @ Td0[s2>>24] | |
973 and r7,lr,r3,lsr#16 @ i0 | |
974 eor r1,r1,r8,ror#24 | |
975 and r8,lr,r3,lsr#8 @ i1 | |
976 eor r6,r9,r6,ror#8 | |
977 and r9,lr,r3 @ i2 | |
978 ldr r7,[r10,r7,lsl#2] @ Td1[s3>>16] | |
979 eor r2,r2,r5,ror#8 | |
980 ldr r8,[r10,r8,lsl#2] @ Td2[s3>>8] | |
981 mov r3,r3,lsr#24 | |
982 | |
983 ldr r9,[r10,r9,lsl#2] @ Td3[s3>>0] | |
984 eor r0,r0,r7,ror#8 | |
985 ldr r7,[r11],#16 | |
986 eor r1,r1,r8,ror#16 | |
987 ldr r3,[r10,r3,lsl#2] @ Td0[s3>>24] | |
988 eor r2,r2,r9,ror#24 | |
989 | |
990 ldr r4,[r11,#-12] | |
991 eor r0,r0,r7 | |
992 ldr r5,[r11,#-8] | |
993 eor r3,r3,r6,ror#8 | |
994 ldr r6,[r11,#-4] | |
995 and r7,lr,r0,lsr#16 | |
996 eor r1,r1,r4 | |
997 and r8,lr,r0,lsr#8 | |
998 eor r2,r2,r5 | |
999 and r9,lr,r0 | |
1000 eor r3,r3,r6 | |
1001 mov r0,r0,lsr#24 | |
1002 | |
1003 subs r12,r12,#1 | |
1004 bne .Ldec_loop | |
1005 | |
1006 add r10,r10,#1024 | |
1007 | |
1008 ldr r5,[r10,#0] @ prefetch Td4 | |
1009 ldr r6,[r10,#32] | |
1010 ldr r4,[r10,#64] | |
1011 ldr r5,[r10,#96] | |
1012 ldr r6,[r10,#128] | |
1013 ldr r4,[r10,#160] | |
1014 ldr r5,[r10,#192] | |
1015 ldr r6,[r10,#224] | |
1016 | |
1017 ldrb r0,[r10,r0] @ Td4[s0>>24] | |
1018 ldrb r4,[r10,r7] @ Td4[s0>>16] | |
1019 and r7,lr,r1 @ i0 | |
1020 ldrb r5,[r10,r8] @ Td4[s0>>8] | |
1021 and r8,lr,r1,lsr#16 | |
1022 ldrb r6,[r10,r9] @ Td4[s0>>0] | |
1023 and r9,lr,r1,lsr#8 | |
1024 | |
1025 ldrb r7,[r10,r7] @ Td4[s1>>0] | |
1026 ldrb r1,[r10,r1,lsr#24] @ Td4[s1>>24] | |
1027 ldrb r8,[r10,r8] @ Td4[s1>>16] | |
1028 eor r0,r7,r0,lsl#24 | |
1029 ldrb r9,[r10,r9] @ Td4[s1>>8] | |
1030 eor r1,r4,r1,lsl#8 | |
1031 and r7,lr,r2,lsr#8 @ i0 | |
1032 eor r5,r5,r8,lsl#8 | |
1033 and r8,lr,r2 @ i1 | |
1034 ldrb r7,[r10,r7] @ Td4[s2>>8] | |
1035 eor r6,r6,r9,lsl#8 | |
1036 ldrb r8,[r10,r8] @ Td4[s2>>0] | |
1037 and r9,lr,r2,lsr#16 | |
1038 | |
1039 ldrb r2,[r10,r2,lsr#24] @ Td4[s2>>24] | |
1040 eor r0,r0,r7,lsl#8 | |
1041 ldrb r9,[r10,r9] @ Td4[s2>>16] | |
1042 eor r1,r8,r1,lsl#16 | |
1043 and r7,lr,r3,lsr#16 @ i0 | |
1044 eor r2,r5,r2,lsl#16 | |
1045 and r8,lr,r3,lsr#8 @ i1 | |
1046 ldrb r7,[r10,r7] @ Td4[s3>>16] | |
1047 eor r6,r6,r9,lsl#16 | |
1048 ldrb r8,[r10,r8] @ Td4[s3>>8] | |
1049 and r9,lr,r3 @ i2 | |
1050 | |
1051 ldrb r9,[r10,r9] @ Td4[s3>>0] | |
1052 ldrb r3,[r10,r3,lsr#24] @ Td4[s3>>24] | |
1053 eor r0,r0,r7,lsl#16 | |
1054 ldr r7,[r11,#0] | |
1055 eor r1,r1,r8,lsl#8 | |
1056 ldr r4,[r11,#4] | |
1057 eor r2,r9,r2,lsl#8 | |
1058 ldr r5,[r11,#8] | |
1059 eor r3,r6,r3,lsl#24 | |
1060 ldr r6,[r11,#12] | |
1061 | |
1062 eor r0,r0,r7 | |
1063 eor r1,r1,r4 | |
1064 eor r2,r2,r5 | |
1065 eor r3,r3,r6 | |
1066 | |
1067 sub r10,r10,#1024 | |
1068 ldr pc,[sp],#4 @ pop and return | |
1069 .size _armv4_AES_decrypt,.-_armv4_AES_decrypt | |
1070 .asciz "AES for ARMv4, CRYPTOGAMS by <appro@openssl.org>" | |
1071 .align 2 | |
OLD | NEW |