1 /* Autogenerated */
2 /* curve description: 25519 */
3 /* requested operations: carry_mul, carry_square, carry_scmul121666, carry, add, sub, opp, selectznz, to_bytes, from_bytes */
4 /* n = 5 (from "5") */
5 /* s = 0x8000000000000000000000000000000000000000000000000000000000000000 (from "2^255") */
6 /* c = [(1, 19)] (from "1,19") */
7 /* machine_wordsize = 64 (from "64") */
8
9 #include <stdint.h>
10 typedef unsigned char fiat_25519_uint1;
11 typedef signed char fiat_25519_int1;
12 typedef signed __int128 fiat_25519_int128;
13 typedef unsigned __int128 fiat_25519_uint128;
14
15
16 /*
17 * Input Bounds:
18 * arg1: [0x0 ~> 0x1]
19 * arg2: [0x0 ~> 0x7ffffffffffff]
20 * arg3: [0x0 ~> 0x7ffffffffffff]
21 * Output Bounds:
22 * out1: [0x0 ~> 0x7ffffffffffff]
23 * out2: [0x0 ~> 0x1]
24 */
fiat_25519_addcarryx_u51(uint64_t * out1,fiat_25519_uint1 * out2,fiat_25519_uint1 arg1,uint64_t arg2,uint64_t arg3)25 static void fiat_25519_addcarryx_u51(uint64_t* out1, fiat_25519_uint1* out2, fiat_25519_uint1 arg1, uint64_t arg2, uint64_t arg3) {
26 uint64_t x1 = ((arg1 + arg2) + arg3);
27 uint64_t x2 = (x1 & UINT64_C(0x7ffffffffffff));
28 fiat_25519_uint1 x3 = (fiat_25519_uint1)(x1 >> 51);
29 *out1 = x2;
30 *out2 = x3;
31 }
32
33 /*
34 * Input Bounds:
35 * arg1: [0x0 ~> 0x1]
36 * arg2: [0x0 ~> 0x7ffffffffffff]
37 * arg3: [0x0 ~> 0x7ffffffffffff]
38 * Output Bounds:
39 * out1: [0x0 ~> 0x7ffffffffffff]
40 * out2: [0x0 ~> 0x1]
41 */
fiat_25519_subborrowx_u51(uint64_t * out1,fiat_25519_uint1 * out2,fiat_25519_uint1 arg1,uint64_t arg2,uint64_t arg3)42 static void fiat_25519_subborrowx_u51(uint64_t* out1, fiat_25519_uint1* out2, fiat_25519_uint1 arg1, uint64_t arg2, uint64_t arg3) {
43 int64_t x1 = ((int64_t)(arg2 - (int64_t)arg1) - (int64_t)arg3);
44 fiat_25519_int1 x2 = (fiat_25519_int1)(x1 >> 51);
45 uint64_t x3 = (x1 & UINT64_C(0x7ffffffffffff));
46 *out1 = x3;
47 *out2 = (fiat_25519_uint1)(0x0 - x2);
48 }
49
50 /*
51 * Input Bounds:
52 * arg1: [0x0 ~> 0x1]
53 * arg2: [0x0 ~> 0xffffffffffffffff]
54 * arg3: [0x0 ~> 0xffffffffffffffff]
55 * Output Bounds:
56 * out1: [0x0 ~> 0xffffffffffffffff]
57 */
fiat_25519_cmovznz_u64(uint64_t * out1,fiat_25519_uint1 arg1,uint64_t arg2,uint64_t arg3)58 static void fiat_25519_cmovznz_u64(uint64_t* out1, fiat_25519_uint1 arg1, uint64_t arg2, uint64_t arg3) {
59 fiat_25519_uint1 x1 = (!(!arg1));
60 uint64_t x2 = ((fiat_25519_int1)(0x0 - x1) & UINT64_C(0xffffffffffffffff));
61 // Note this line has been patched from the synthesized code to add value
62 // barriers.
63 //
64 // Clang recognizes this pattern as a select. While it usually transforms it
65 // to a cmov, it sometimes further transforms it into a branch, which we do
66 // not want.
67 uint64_t x3 = ((value_barrier_u64(x2) & arg3) | (value_barrier_u64(~x2) & arg2));
68 *out1 = x3;
69 }
70
71 /*
72 * Input Bounds:
73 * arg1: [[0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664]]
74 * arg2: [[0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664]]
75 * Output Bounds:
76 * out1: [[0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc]]
77 */
fiat_25519_carry_mul(uint64_t out1[5],const uint64_t arg1[5],const uint64_t arg2[5])78 static void fiat_25519_carry_mul(uint64_t out1[5], const uint64_t arg1[5], const uint64_t arg2[5]) {
79 fiat_25519_uint128 x1 = ((fiat_25519_uint128)(arg1[4]) * ((arg2[4]) * (uint64_t)UINT8_C(0x13)));
80 fiat_25519_uint128 x2 = ((fiat_25519_uint128)(arg1[4]) * ((arg2[3]) * (uint64_t)UINT8_C(0x13)));
81 fiat_25519_uint128 x3 = ((fiat_25519_uint128)(arg1[4]) * ((arg2[2]) * (uint64_t)UINT8_C(0x13)));
82 fiat_25519_uint128 x4 = ((fiat_25519_uint128)(arg1[4]) * ((arg2[1]) * (uint64_t)UINT8_C(0x13)));
83 fiat_25519_uint128 x5 = ((fiat_25519_uint128)(arg1[3]) * ((arg2[4]) * (uint64_t)UINT8_C(0x13)));
84 fiat_25519_uint128 x6 = ((fiat_25519_uint128)(arg1[3]) * ((arg2[3]) * (uint64_t)UINT8_C(0x13)));
85 fiat_25519_uint128 x7 = ((fiat_25519_uint128)(arg1[3]) * ((arg2[2]) * (uint64_t)UINT8_C(0x13)));
86 fiat_25519_uint128 x8 = ((fiat_25519_uint128)(arg1[2]) * ((arg2[4]) * (uint64_t)UINT8_C(0x13)));
87 fiat_25519_uint128 x9 = ((fiat_25519_uint128)(arg1[2]) * ((arg2[3]) * (uint64_t)UINT8_C(0x13)));
88 fiat_25519_uint128 x10 = ((fiat_25519_uint128)(arg1[1]) * ((arg2[4]) * (uint64_t)UINT8_C(0x13)));
89 fiat_25519_uint128 x11 = ((fiat_25519_uint128)(arg1[4]) * (arg2[0]));
90 fiat_25519_uint128 x12 = ((fiat_25519_uint128)(arg1[3]) * (arg2[1]));
91 fiat_25519_uint128 x13 = ((fiat_25519_uint128)(arg1[3]) * (arg2[0]));
92 fiat_25519_uint128 x14 = ((fiat_25519_uint128)(arg1[2]) * (arg2[2]));
93 fiat_25519_uint128 x15 = ((fiat_25519_uint128)(arg1[2]) * (arg2[1]));
94 fiat_25519_uint128 x16 = ((fiat_25519_uint128)(arg1[2]) * (arg2[0]));
95 fiat_25519_uint128 x17 = ((fiat_25519_uint128)(arg1[1]) * (arg2[3]));
96 fiat_25519_uint128 x18 = ((fiat_25519_uint128)(arg1[1]) * (arg2[2]));
97 fiat_25519_uint128 x19 = ((fiat_25519_uint128)(arg1[1]) * (arg2[1]));
98 fiat_25519_uint128 x20 = ((fiat_25519_uint128)(arg1[1]) * (arg2[0]));
99 fiat_25519_uint128 x21 = ((fiat_25519_uint128)(arg1[0]) * (arg2[4]));
100 fiat_25519_uint128 x22 = ((fiat_25519_uint128)(arg1[0]) * (arg2[3]));
101 fiat_25519_uint128 x23 = ((fiat_25519_uint128)(arg1[0]) * (arg2[2]));
102 fiat_25519_uint128 x24 = ((fiat_25519_uint128)(arg1[0]) * (arg2[1]));
103 fiat_25519_uint128 x25 = ((fiat_25519_uint128)(arg1[0]) * (arg2[0]));
104 fiat_25519_uint128 x26 = (x25 + (x10 + (x9 + (x7 + x4))));
105 uint64_t x27 = (uint64_t)(x26 >> 51);
106 uint64_t x28 = (uint64_t)(x26 & UINT64_C(0x7ffffffffffff));
107 fiat_25519_uint128 x29 = (x21 + (x17 + (x14 + (x12 + x11))));
108 fiat_25519_uint128 x30 = (x22 + (x18 + (x15 + (x13 + x1))));
109 fiat_25519_uint128 x31 = (x23 + (x19 + (x16 + (x5 + x2))));
110 fiat_25519_uint128 x32 = (x24 + (x20 + (x8 + (x6 + x3))));
111 fiat_25519_uint128 x33 = (x27 + x32);
112 uint64_t x34 = (uint64_t)(x33 >> 51);
113 uint64_t x35 = (uint64_t)(x33 & UINT64_C(0x7ffffffffffff));
114 fiat_25519_uint128 x36 = (x34 + x31);
115 uint64_t x37 = (uint64_t)(x36 >> 51);
116 uint64_t x38 = (uint64_t)(x36 & UINT64_C(0x7ffffffffffff));
117 fiat_25519_uint128 x39 = (x37 + x30);
118 uint64_t x40 = (uint64_t)(x39 >> 51);
119 uint64_t x41 = (uint64_t)(x39 & UINT64_C(0x7ffffffffffff));
120 fiat_25519_uint128 x42 = (x40 + x29);
121 uint64_t x43 = (uint64_t)(x42 >> 51);
122 uint64_t x44 = (uint64_t)(x42 & UINT64_C(0x7ffffffffffff));
123 uint64_t x45 = (x43 * (uint64_t)UINT8_C(0x13));
124 uint64_t x46 = (x28 + x45);
125 uint64_t x47 = (x46 >> 51);
126 uint64_t x48 = (x46 & UINT64_C(0x7ffffffffffff));
127 uint64_t x49 = (x47 + x35);
128 uint64_t x50 = (x49 >> 51);
129 uint64_t x51 = (x49 & UINT64_C(0x7ffffffffffff));
130 uint64_t x52 = (x50 + x38);
131 out1[0] = x48;
132 out1[1] = x51;
133 out1[2] = x52;
134 out1[3] = x41;
135 out1[4] = x44;
136 }
137
138 /*
139 * Input Bounds:
140 * arg1: [[0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664]]
141 * Output Bounds:
142 * out1: [[0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc]]
143 */
fiat_25519_carry_square(uint64_t out1[5],const uint64_t arg1[5])144 static void fiat_25519_carry_square(uint64_t out1[5], const uint64_t arg1[5]) {
145 uint64_t x1 = ((arg1[4]) * (uint64_t)UINT8_C(0x13));
146 uint64_t x2 = (x1 * (uint64_t)0x2);
147 uint64_t x3 = ((arg1[4]) * (uint64_t)0x2);
148 uint64_t x4 = ((arg1[3]) * (uint64_t)UINT8_C(0x13));
149 uint64_t x5 = (x4 * (uint64_t)0x2);
150 uint64_t x6 = ((arg1[3]) * (uint64_t)0x2);
151 uint64_t x7 = ((arg1[2]) * (uint64_t)0x2);
152 uint64_t x8 = ((arg1[1]) * (uint64_t)0x2);
153 fiat_25519_uint128 x9 = ((fiat_25519_uint128)(arg1[4]) * x1);
154 fiat_25519_uint128 x10 = ((fiat_25519_uint128)(arg1[3]) * x2);
155 fiat_25519_uint128 x11 = ((fiat_25519_uint128)(arg1[3]) * x4);
156 fiat_25519_uint128 x12 = ((fiat_25519_uint128)(arg1[2]) * x2);
157 fiat_25519_uint128 x13 = ((fiat_25519_uint128)(arg1[2]) * x5);
158 fiat_25519_uint128 x14 = ((fiat_25519_uint128)(arg1[2]) * (arg1[2]));
159 fiat_25519_uint128 x15 = ((fiat_25519_uint128)(arg1[1]) * x2);
160 fiat_25519_uint128 x16 = ((fiat_25519_uint128)(arg1[1]) * x6);
161 fiat_25519_uint128 x17 = ((fiat_25519_uint128)(arg1[1]) * x7);
162 fiat_25519_uint128 x18 = ((fiat_25519_uint128)(arg1[1]) * (arg1[1]));
163 fiat_25519_uint128 x19 = ((fiat_25519_uint128)(arg1[0]) * x3);
164 fiat_25519_uint128 x20 = ((fiat_25519_uint128)(arg1[0]) * x6);
165 fiat_25519_uint128 x21 = ((fiat_25519_uint128)(arg1[0]) * x7);
166 fiat_25519_uint128 x22 = ((fiat_25519_uint128)(arg1[0]) * x8);
167 fiat_25519_uint128 x23 = ((fiat_25519_uint128)(arg1[0]) * (arg1[0]));
168 fiat_25519_uint128 x24 = (x23 + (x15 + x13));
169 uint64_t x25 = (uint64_t)(x24 >> 51);
170 uint64_t x26 = (uint64_t)(x24 & UINT64_C(0x7ffffffffffff));
171 fiat_25519_uint128 x27 = (x19 + (x16 + x14));
172 fiat_25519_uint128 x28 = (x20 + (x17 + x9));
173 fiat_25519_uint128 x29 = (x21 + (x18 + x10));
174 fiat_25519_uint128 x30 = (x22 + (x12 + x11));
175 fiat_25519_uint128 x31 = (x25 + x30);
176 uint64_t x32 = (uint64_t)(x31 >> 51);
177 uint64_t x33 = (uint64_t)(x31 & UINT64_C(0x7ffffffffffff));
178 fiat_25519_uint128 x34 = (x32 + x29);
179 uint64_t x35 = (uint64_t)(x34 >> 51);
180 uint64_t x36 = (uint64_t)(x34 & UINT64_C(0x7ffffffffffff));
181 fiat_25519_uint128 x37 = (x35 + x28);
182 uint64_t x38 = (uint64_t)(x37 >> 51);
183 uint64_t x39 = (uint64_t)(x37 & UINT64_C(0x7ffffffffffff));
184 fiat_25519_uint128 x40 = (x38 + x27);
185 uint64_t x41 = (uint64_t)(x40 >> 51);
186 uint64_t x42 = (uint64_t)(x40 & UINT64_C(0x7ffffffffffff));
187 uint64_t x43 = (x41 * (uint64_t)UINT8_C(0x13));
188 uint64_t x44 = (x26 + x43);
189 uint64_t x45 = (x44 >> 51);
190 uint64_t x46 = (x44 & UINT64_C(0x7ffffffffffff));
191 uint64_t x47 = (x45 + x33);
192 uint64_t x48 = (x47 >> 51);
193 uint64_t x49 = (x47 & UINT64_C(0x7ffffffffffff));
194 uint64_t x50 = (x48 + x36);
195 out1[0] = x46;
196 out1[1] = x49;
197 out1[2] = x50;
198 out1[3] = x39;
199 out1[4] = x42;
200 }
201
202 /*
203 * Input Bounds:
204 * arg1: [[0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664]]
205 * Output Bounds:
206 * out1: [[0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc]]
207 */
fiat_25519_carry_scmul_121666(uint64_t out1[5],const uint64_t arg1[5])208 static void fiat_25519_carry_scmul_121666(uint64_t out1[5], const uint64_t arg1[5]) {
209 fiat_25519_uint128 x1 = (UINT32_C(0x1db42) * (fiat_25519_uint128)(arg1[4]));
210 fiat_25519_uint128 x2 = (UINT32_C(0x1db42) * (fiat_25519_uint128)(arg1[3]));
211 fiat_25519_uint128 x3 = (UINT32_C(0x1db42) * (fiat_25519_uint128)(arg1[2]));
212 fiat_25519_uint128 x4 = (UINT32_C(0x1db42) * (fiat_25519_uint128)(arg1[1]));
213 fiat_25519_uint128 x5 = (UINT32_C(0x1db42) * (fiat_25519_uint128)(arg1[0]));
214 uint64_t x6 = (uint64_t)(x5 >> 51);
215 uint64_t x7 = (uint64_t)(x5 & UINT64_C(0x7ffffffffffff));
216 fiat_25519_uint128 x8 = (x6 + x4);
217 uint64_t x9 = (uint64_t)(x8 >> 51);
218 uint64_t x10 = (uint64_t)(x8 & UINT64_C(0x7ffffffffffff));
219 fiat_25519_uint128 x11 = (x9 + x3);
220 uint64_t x12 = (uint64_t)(x11 >> 51);
221 uint64_t x13 = (uint64_t)(x11 & UINT64_C(0x7ffffffffffff));
222 fiat_25519_uint128 x14 = (x12 + x2);
223 uint64_t x15 = (uint64_t)(x14 >> 51);
224 uint64_t x16 = (uint64_t)(x14 & UINT64_C(0x7ffffffffffff));
225 fiat_25519_uint128 x17 = (x15 + x1);
226 uint64_t x18 = (uint64_t)(x17 >> 51);
227 uint64_t x19 = (uint64_t)(x17 & UINT64_C(0x7ffffffffffff));
228 uint64_t x20 = (x18 * (uint64_t)UINT8_C(0x13));
229 uint64_t x21 = (x7 + x20);
230 uint64_t x22 = (x21 >> 51);
231 uint64_t x23 = (x21 & UINT64_C(0x7ffffffffffff));
232 uint64_t x24 = (x22 + x10);
233 uint64_t x25 = (x24 >> 51);
234 uint64_t x26 = (x24 & UINT64_C(0x7ffffffffffff));
235 uint64_t x27 = (x25 + x13);
236 out1[0] = x23;
237 out1[1] = x26;
238 out1[2] = x27;
239 out1[3] = x16;
240 out1[4] = x19;
241 }
242
243 /*
244 * Input Bounds:
245 * arg1: [[0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664]]
246 * Output Bounds:
247 * out1: [[0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc]]
248 */
fiat_25519_carry(uint64_t out1[5],const uint64_t arg1[5])249 static void fiat_25519_carry(uint64_t out1[5], const uint64_t arg1[5]) {
250 uint64_t x1 = (arg1[0]);
251 uint64_t x2 = ((x1 >> 51) + (arg1[1]));
252 uint64_t x3 = ((x2 >> 51) + (arg1[2]));
253 uint64_t x4 = ((x3 >> 51) + (arg1[3]));
254 uint64_t x5 = ((x4 >> 51) + (arg1[4]));
255 uint64_t x6 = ((x1 & UINT64_C(0x7ffffffffffff)) + ((x5 >> 51) * (uint64_t)UINT8_C(0x13)));
256 uint64_t x7 = ((x6 >> 51) + (x2 & UINT64_C(0x7ffffffffffff)));
257 uint64_t x8 = (x6 & UINT64_C(0x7ffffffffffff));
258 uint64_t x9 = (x7 & UINT64_C(0x7ffffffffffff));
259 uint64_t x10 = ((x7 >> 51) + (x3 & UINT64_C(0x7ffffffffffff)));
260 uint64_t x11 = (x4 & UINT64_C(0x7ffffffffffff));
261 uint64_t x12 = (x5 & UINT64_C(0x7ffffffffffff));
262 out1[0] = x8;
263 out1[1] = x9;
264 out1[2] = x10;
265 out1[3] = x11;
266 out1[4] = x12;
267 }
268
269 /*
270 * Input Bounds:
271 * arg1: [[0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc]]
272 * arg2: [[0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc]]
273 * Output Bounds:
274 * out1: [[0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664]]
275 */
fiat_25519_add(uint64_t out1[5],const uint64_t arg1[5],const uint64_t arg2[5])276 static void fiat_25519_add(uint64_t out1[5], const uint64_t arg1[5], const uint64_t arg2[5]) {
277 uint64_t x1 = ((arg1[0]) + (arg2[0]));
278 uint64_t x2 = ((arg1[1]) + (arg2[1]));
279 uint64_t x3 = ((arg1[2]) + (arg2[2]));
280 uint64_t x4 = ((arg1[3]) + (arg2[3]));
281 uint64_t x5 = ((arg1[4]) + (arg2[4]));
282 out1[0] = x1;
283 out1[1] = x2;
284 out1[2] = x3;
285 out1[3] = x4;
286 out1[4] = x5;
287 }
288
289 /*
290 * Input Bounds:
291 * arg1: [[0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc]]
292 * arg2: [[0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc]]
293 * Output Bounds:
294 * out1: [[0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664]]
295 */
fiat_25519_sub(uint64_t out1[5],const uint64_t arg1[5],const uint64_t arg2[5])296 static void fiat_25519_sub(uint64_t out1[5], const uint64_t arg1[5], const uint64_t arg2[5]) {
297 uint64_t x1 = ((UINT64_C(0xfffffffffffda) + (arg1[0])) - (arg2[0]));
298 uint64_t x2 = ((UINT64_C(0xffffffffffffe) + (arg1[1])) - (arg2[1]));
299 uint64_t x3 = ((UINT64_C(0xffffffffffffe) + (arg1[2])) - (arg2[2]));
300 uint64_t x4 = ((UINT64_C(0xffffffffffffe) + (arg1[3])) - (arg2[3]));
301 uint64_t x5 = ((UINT64_C(0xffffffffffffe) + (arg1[4])) - (arg2[4]));
302 out1[0] = x1;
303 out1[1] = x2;
304 out1[2] = x3;
305 out1[3] = x4;
306 out1[4] = x5;
307 }
308
309 /*
310 * Input Bounds:
311 * arg1: [[0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc]]
312 * Output Bounds:
313 * out1: [[0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664], [0x0 ~> 0x1a666666666664]]
314 */
fiat_25519_opp(uint64_t out1[5],const uint64_t arg1[5])315 static void fiat_25519_opp(uint64_t out1[5], const uint64_t arg1[5]) {
316 uint64_t x1 = (UINT64_C(0xfffffffffffda) - (arg1[0]));
317 uint64_t x2 = (UINT64_C(0xffffffffffffe) - (arg1[1]));
318 uint64_t x3 = (UINT64_C(0xffffffffffffe) - (arg1[2]));
319 uint64_t x4 = (UINT64_C(0xffffffffffffe) - (arg1[3]));
320 uint64_t x5 = (UINT64_C(0xffffffffffffe) - (arg1[4]));
321 out1[0] = x1;
322 out1[1] = x2;
323 out1[2] = x3;
324 out1[3] = x4;
325 out1[4] = x5;
326 }
327
328 /*
329 * Input Bounds:
330 * arg1: [0x0 ~> 0x1]
331 * arg2: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
332 * arg3: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
333 * Output Bounds:
334 * out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
335 */
fiat_25519_selectznz(uint64_t out1[5],fiat_25519_uint1 arg1,const uint64_t arg2[5],const uint64_t arg3[5])336 static void fiat_25519_selectznz(uint64_t out1[5], fiat_25519_uint1 arg1, const uint64_t arg2[5], const uint64_t arg3[5]) {
337 uint64_t x1;
338 fiat_25519_cmovznz_u64(&x1, arg1, (arg2[0]), (arg3[0]));
339 uint64_t x2;
340 fiat_25519_cmovznz_u64(&x2, arg1, (arg2[1]), (arg3[1]));
341 uint64_t x3;
342 fiat_25519_cmovznz_u64(&x3, arg1, (arg2[2]), (arg3[2]));
343 uint64_t x4;
344 fiat_25519_cmovznz_u64(&x4, arg1, (arg2[3]), (arg3[3]));
345 uint64_t x5;
346 fiat_25519_cmovznz_u64(&x5, arg1, (arg2[4]), (arg3[4]));
347 out1[0] = x1;
348 out1[1] = x2;
349 out1[2] = x3;
350 out1[3] = x4;
351 out1[4] = x5;
352 }
353
354 /*
355 * Input Bounds:
356 * arg1: [[0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc]]
357 * Output Bounds:
358 * out1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0x7f]]
359 */
fiat_25519_to_bytes(uint8_t out1[32],const uint64_t arg1[5])360 static void fiat_25519_to_bytes(uint8_t out1[32], const uint64_t arg1[5]) {
361 uint64_t x1;
362 fiat_25519_uint1 x2;
363 fiat_25519_subborrowx_u51(&x1, &x2, 0x0, (arg1[0]), UINT64_C(0x7ffffffffffed));
364 uint64_t x3;
365 fiat_25519_uint1 x4;
366 fiat_25519_subborrowx_u51(&x3, &x4, x2, (arg1[1]), UINT64_C(0x7ffffffffffff));
367 uint64_t x5;
368 fiat_25519_uint1 x6;
369 fiat_25519_subborrowx_u51(&x5, &x6, x4, (arg1[2]), UINT64_C(0x7ffffffffffff));
370 uint64_t x7;
371 fiat_25519_uint1 x8;
372 fiat_25519_subborrowx_u51(&x7, &x8, x6, (arg1[3]), UINT64_C(0x7ffffffffffff));
373 uint64_t x9;
374 fiat_25519_uint1 x10;
375 fiat_25519_subborrowx_u51(&x9, &x10, x8, (arg1[4]), UINT64_C(0x7ffffffffffff));
376 uint64_t x11;
377 fiat_25519_cmovznz_u64(&x11, x10, 0x0, UINT64_C(0xffffffffffffffff));
378 uint64_t x12;
379 fiat_25519_uint1 x13;
380 fiat_25519_addcarryx_u51(&x12, &x13, 0x0, (x11 & UINT64_C(0x7ffffffffffed)), x1);
381 uint64_t x14;
382 fiat_25519_uint1 x15;
383 fiat_25519_addcarryx_u51(&x14, &x15, x13, (x11 & UINT64_C(0x7ffffffffffff)), x3);
384 uint64_t x16;
385 fiat_25519_uint1 x17;
386 fiat_25519_addcarryx_u51(&x16, &x17, x15, (x11 & UINT64_C(0x7ffffffffffff)), x5);
387 uint64_t x18;
388 fiat_25519_uint1 x19;
389 fiat_25519_addcarryx_u51(&x18, &x19, x17, (x11 & UINT64_C(0x7ffffffffffff)), x7);
390 uint64_t x20;
391 fiat_25519_uint1 x21;
392 fiat_25519_addcarryx_u51(&x20, &x21, x19, (x11 & UINT64_C(0x7ffffffffffff)), x9);
393 uint64_t x22 = (x20 << 4);
394 uint64_t x23 = (x18 * (uint64_t)0x2);
395 uint64_t x24 = (x16 << 6);
396 uint64_t x25 = (x14 << 3);
397 uint64_t x26 = (x12 >> 8);
398 uint8_t x27 = (uint8_t)(x12 & UINT8_C(0xff));
399 uint64_t x28 = (x26 >> 8);
400 uint8_t x29 = (uint8_t)(x26 & UINT8_C(0xff));
401 uint64_t x30 = (x28 >> 8);
402 uint8_t x31 = (uint8_t)(x28 & UINT8_C(0xff));
403 uint64_t x32 = (x30 >> 8);
404 uint8_t x33 = (uint8_t)(x30 & UINT8_C(0xff));
405 uint64_t x34 = (x32 >> 8);
406 uint8_t x35 = (uint8_t)(x32 & UINT8_C(0xff));
407 uint8_t x36 = (uint8_t)(x34 >> 8);
408 uint8_t x37 = (uint8_t)(x34 & UINT8_C(0xff));
409 uint64_t x38 = (x36 + x25);
410 uint64_t x39 = (x38 >> 8);
411 uint8_t x40 = (uint8_t)(x38 & UINT8_C(0xff));
412 uint64_t x41 = (x39 >> 8);
413 uint8_t x42 = (uint8_t)(x39 & UINT8_C(0xff));
414 uint64_t x43 = (x41 >> 8);
415 uint8_t x44 = (uint8_t)(x41 & UINT8_C(0xff));
416 uint64_t x45 = (x43 >> 8);
417 uint8_t x46 = (uint8_t)(x43 & UINT8_C(0xff));
418 uint64_t x47 = (x45 >> 8);
419 uint8_t x48 = (uint8_t)(x45 & UINT8_C(0xff));
420 uint8_t x49 = (uint8_t)(x47 >> 8);
421 uint8_t x50 = (uint8_t)(x47 & UINT8_C(0xff));
422 uint64_t x51 = (x49 + x24);
423 uint64_t x52 = (x51 >> 8);
424 uint8_t x53 = (uint8_t)(x51 & UINT8_C(0xff));
425 uint64_t x54 = (x52 >> 8);
426 uint8_t x55 = (uint8_t)(x52 & UINT8_C(0xff));
427 uint64_t x56 = (x54 >> 8);
428 uint8_t x57 = (uint8_t)(x54 & UINT8_C(0xff));
429 uint64_t x58 = (x56 >> 8);
430 uint8_t x59 = (uint8_t)(x56 & UINT8_C(0xff));
431 uint64_t x60 = (x58 >> 8);
432 uint8_t x61 = (uint8_t)(x58 & UINT8_C(0xff));
433 uint64_t x62 = (x60 >> 8);
434 uint8_t x63 = (uint8_t)(x60 & UINT8_C(0xff));
435 fiat_25519_uint1 x64 = (fiat_25519_uint1)(x62 >> 8);
436 uint8_t x65 = (uint8_t)(x62 & UINT8_C(0xff));
437 uint64_t x66 = (x64 + x23);
438 uint64_t x67 = (x66 >> 8);
439 uint8_t x68 = (uint8_t)(x66 & UINT8_C(0xff));
440 uint64_t x69 = (x67 >> 8);
441 uint8_t x70 = (uint8_t)(x67 & UINT8_C(0xff));
442 uint64_t x71 = (x69 >> 8);
443 uint8_t x72 = (uint8_t)(x69 & UINT8_C(0xff));
444 uint64_t x73 = (x71 >> 8);
445 uint8_t x74 = (uint8_t)(x71 & UINT8_C(0xff));
446 uint64_t x75 = (x73 >> 8);
447 uint8_t x76 = (uint8_t)(x73 & UINT8_C(0xff));
448 uint8_t x77 = (uint8_t)(x75 >> 8);
449 uint8_t x78 = (uint8_t)(x75 & UINT8_C(0xff));
450 uint64_t x79 = (x77 + x22);
451 uint64_t x80 = (x79 >> 8);
452 uint8_t x81 = (uint8_t)(x79 & UINT8_C(0xff));
453 uint64_t x82 = (x80 >> 8);
454 uint8_t x83 = (uint8_t)(x80 & UINT8_C(0xff));
455 uint64_t x84 = (x82 >> 8);
456 uint8_t x85 = (uint8_t)(x82 & UINT8_C(0xff));
457 uint64_t x86 = (x84 >> 8);
458 uint8_t x87 = (uint8_t)(x84 & UINT8_C(0xff));
459 uint64_t x88 = (x86 >> 8);
460 uint8_t x89 = (uint8_t)(x86 & UINT8_C(0xff));
461 uint8_t x90 = (uint8_t)(x88 >> 8);
462 uint8_t x91 = (uint8_t)(x88 & UINT8_C(0xff));
463 out1[0] = x27;
464 out1[1] = x29;
465 out1[2] = x31;
466 out1[3] = x33;
467 out1[4] = x35;
468 out1[5] = x37;
469 out1[6] = x40;
470 out1[7] = x42;
471 out1[8] = x44;
472 out1[9] = x46;
473 out1[10] = x48;
474 out1[11] = x50;
475 out1[12] = x53;
476 out1[13] = x55;
477 out1[14] = x57;
478 out1[15] = x59;
479 out1[16] = x61;
480 out1[17] = x63;
481 out1[18] = x65;
482 out1[19] = x68;
483 out1[20] = x70;
484 out1[21] = x72;
485 out1[22] = x74;
486 out1[23] = x76;
487 out1[24] = x78;
488 out1[25] = x81;
489 out1[26] = x83;
490 out1[27] = x85;
491 out1[28] = x87;
492 out1[29] = x89;
493 out1[30] = x91;
494 out1[31] = x90;
495 }
496
497 /*
498 * Input Bounds:
499 * arg1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0x7f]]
500 * Output Bounds:
501 * out1: [[0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc], [0x0 ~> 0x8cccccccccccc]]
502 */
fiat_25519_from_bytes(uint64_t out1[5],const uint8_t arg1[32])503 static void fiat_25519_from_bytes(uint64_t out1[5], const uint8_t arg1[32]) {
504 uint64_t x1 = ((uint64_t)(arg1[31]) << 44);
505 uint64_t x2 = ((uint64_t)(arg1[30]) << 36);
506 uint64_t x3 = ((uint64_t)(arg1[29]) << 28);
507 uint64_t x4 = ((uint64_t)(arg1[28]) << 20);
508 uint64_t x5 = ((uint64_t)(arg1[27]) << 12);
509 uint64_t x6 = ((uint64_t)(arg1[26]) << 4);
510 uint64_t x7 = ((uint64_t)(arg1[25]) << 47);
511 uint64_t x8 = ((uint64_t)(arg1[24]) << 39);
512 uint64_t x9 = ((uint64_t)(arg1[23]) << 31);
513 uint64_t x10 = ((uint64_t)(arg1[22]) << 23);
514 uint64_t x11 = ((uint64_t)(arg1[21]) << 15);
515 uint64_t x12 = ((uint64_t)(arg1[20]) << 7);
516 uint64_t x13 = ((uint64_t)(arg1[19]) << 50);
517 uint64_t x14 = ((uint64_t)(arg1[18]) << 42);
518 uint64_t x15 = ((uint64_t)(arg1[17]) << 34);
519 uint64_t x16 = ((uint64_t)(arg1[16]) << 26);
520 uint64_t x17 = ((uint64_t)(arg1[15]) << 18);
521 uint64_t x18 = ((uint64_t)(arg1[14]) << 10);
522 uint64_t x19 = ((uint64_t)(arg1[13]) << 2);
523 uint64_t x20 = ((uint64_t)(arg1[12]) << 45);
524 uint64_t x21 = ((uint64_t)(arg1[11]) << 37);
525 uint64_t x22 = ((uint64_t)(arg1[10]) << 29);
526 uint64_t x23 = ((uint64_t)(arg1[9]) << 21);
527 uint64_t x24 = ((uint64_t)(arg1[8]) << 13);
528 uint64_t x25 = ((uint64_t)(arg1[7]) << 5);
529 uint64_t x26 = ((uint64_t)(arg1[6]) << 48);
530 uint64_t x27 = ((uint64_t)(arg1[5]) << 40);
531 uint64_t x28 = ((uint64_t)(arg1[4]) << 32);
532 uint64_t x29 = ((uint64_t)(arg1[3]) << 24);
533 uint64_t x30 = ((uint64_t)(arg1[2]) << 16);
534 uint64_t x31 = ((uint64_t)(arg1[1]) << 8);
535 uint8_t x32 = (arg1[0]);
536 uint64_t x33 = (x32 + (x31 + (x30 + (x29 + (x28 + (x27 + x26))))));
537 uint8_t x34 = (uint8_t)(x33 >> 51);
538 uint64_t x35 = (x33 & UINT64_C(0x7ffffffffffff));
539 uint64_t x36 = (x6 + (x5 + (x4 + (x3 + (x2 + x1)))));
540 uint64_t x37 = (x12 + (x11 + (x10 + (x9 + (x8 + x7)))));
541 uint64_t x38 = (x19 + (x18 + (x17 + (x16 + (x15 + (x14 + x13))))));
542 uint64_t x39 = (x25 + (x24 + (x23 + (x22 + (x21 + x20)))));
543 uint64_t x40 = (x34 + x39);
544 uint8_t x41 = (uint8_t)(x40 >> 51);
545 uint64_t x42 = (x40 & UINT64_C(0x7ffffffffffff));
546 uint64_t x43 = (x41 + x38);
547 uint8_t x44 = (uint8_t)(x43 >> 51);
548 uint64_t x45 = (x43 & UINT64_C(0x7ffffffffffff));
549 uint64_t x46 = (x44 + x37);
550 uint8_t x47 = (uint8_t)(x46 >> 51);
551 uint64_t x48 = (x46 & UINT64_C(0x7ffffffffffff));
552 uint64_t x49 = (x47 + x36);
553 out1[0] = x35;
554 out1[1] = x42;
555 out1[2] = x45;
556 out1[3] = x48;
557 out1[4] = x49;
558 }
559
560