Home
last modified time | relevance | path

Searched refs:x (Results 1 – 25 of 64) sorted by relevance

123

/lib/crypto/
Dchacha.c16 static void chacha_permute(u32 *x, int nrounds) in chacha_permute() argument
24 x[0] += x[4]; x[12] = rol32(x[12] ^ x[0], 16); in chacha_permute()
25 x[1] += x[5]; x[13] = rol32(x[13] ^ x[1], 16); in chacha_permute()
26 x[2] += x[6]; x[14] = rol32(x[14] ^ x[2], 16); in chacha_permute()
27 x[3] += x[7]; x[15] = rol32(x[15] ^ x[3], 16); in chacha_permute()
29 x[8] += x[12]; x[4] = rol32(x[4] ^ x[8], 12); in chacha_permute()
30 x[9] += x[13]; x[5] = rol32(x[5] ^ x[9], 12); in chacha_permute()
31 x[10] += x[14]; x[6] = rol32(x[6] ^ x[10], 12); in chacha_permute()
32 x[11] += x[15]; x[7] = rol32(x[7] ^ x[11], 12); in chacha_permute()
34 x[0] += x[4]; x[12] = rol32(x[12] ^ x[0], 8); in chacha_permute()
[all …]
Dsm4.c64 static inline u32 sm4_t_non_lin_sub(u32 x) in sm4_t_non_lin_sub() argument
68 out = (u32)sbox[x & 0xff]; in sm4_t_non_lin_sub()
69 out |= (u32)sbox[(x >> 8) & 0xff] << 8; in sm4_t_non_lin_sub()
70 out |= (u32)sbox[(x >> 16) & 0xff] << 16; in sm4_t_non_lin_sub()
71 out |= (u32)sbox[(x >> 24) & 0xff] << 24; in sm4_t_non_lin_sub()
76 static inline u32 sm4_key_lin_sub(u32 x) in sm4_key_lin_sub() argument
78 return x ^ rol32(x, 13) ^ rol32(x, 23); in sm4_key_lin_sub()
81 static inline u32 sm4_enc_lin_sub(u32 x) in sm4_enc_lin_sub() argument
83 return x ^ rol32(x, 2) ^ rol32(x, 10) ^ rol32(x, 18) ^ rol32(x, 24); in sm4_enc_lin_sub()
86 static inline u32 sm4_key_sub(u32 x) in sm4_key_sub() argument
[all …]
Darc4.c17 ctx->x = 1; in arc4_setkey()
40 u32 x, y, a, b; in arc4_crypt() local
46 x = ctx->x; in arc4_crypt()
49 a = S[x]; in arc4_crypt()
56 S[x] = b; in arc4_crypt()
57 x = (x + 1) & 0xff; in arc4_crypt()
58 ta = S[x]; in arc4_crypt()
69 ctx->x = x; in arc4_crypt()
Dsha256.c41 static inline u32 Ch(u32 x, u32 y, u32 z) in Ch() argument
43 return z ^ (x & (y ^ z)); in Ch()
46 static inline u32 Maj(u32 x, u32 y, u32 z) in Maj() argument
48 return (x & y) | (z & (x | y)); in Maj()
51 #define e0(x) (ror32(x, 2) ^ ror32(x, 13) ^ ror32(x, 22)) argument
52 #define e1(x) (ror32(x, 6) ^ ror32(x, 11) ^ ror32(x, 25)) argument
53 #define s0(x) (ror32(x, 7) ^ ror32(x, 18) ^ (x >> 3)) argument
54 #define s1(x) (ror32(x, 17) ^ ror32(x, 19) ^ (x >> 10)) argument
Daes.c94 u32 x = w & 0x7f7f7f7f; in mul_by_x() local
98 return (x << 1) ^ (y >> 7) * 0x1b; in mul_by_x()
103 u32 x = w & 0x3f3f3f3f; in mul_by_x2() local
108 return (x << 2) ^ (y >> 7) * 0x36 ^ (z >> 6) * 0x1b; in mul_by_x2()
111 static u32 mix_columns(u32 x) in mix_columns() argument
121 u32 y = mul_by_x(x) ^ ror32(x, 16); in mix_columns()
123 return y ^ ror32(x ^ y, 8); in mix_columns()
126 static u32 inv_mix_columns(u32 x) in inv_mix_columns() argument
143 u32 y = mul_by_x2(x); in inv_mix_columns()
145 return mix_columns(x ^ y ^ ror32(y, 16)); in inv_mix_columns()
/lib/mpi/
Dmpi-bit.c178 void mpi_rshift(MPI x, MPI a, unsigned int n) in mpi_rshift() argument
185 if (x == a) { in mpi_rshift()
187 if (nlimbs >= x->nlimbs) { in mpi_rshift()
188 x->nlimbs = 0; in mpi_rshift()
193 for (i = 0; i < x->nlimbs - nlimbs; i++) in mpi_rshift()
194 x->d[i] = x->d[i+nlimbs]; in mpi_rshift()
195 x->d[i] = 0; in mpi_rshift()
196 x->nlimbs -= nlimbs; in mpi_rshift()
198 if (x->nlimbs && nbits) in mpi_rshift()
199 mpihelp_rshift(x->d, x->d, x->nlimbs, nbits); in mpi_rshift()
[all …]
Dmpi-inline.h27 mpi_limb_t x; in mpihelp_add_1() local
29 x = *s1_ptr++; in mpihelp_add_1()
30 s2_limb += x; in mpihelp_add_1()
32 if (s2_limb < x) { /* sum is less than the left operand: handle carry */ in mpihelp_add_1()
34 x = *s1_ptr++ + 1; /* add carry */ in mpihelp_add_1()
35 *res_ptr++ = x; /* and store */ in mpihelp_add_1()
36 if (x) /* not 0 (no overflow): we can stop */ in mpihelp_add_1()
70 mpi_limb_t x; in mpihelp_sub_1() local
72 x = *s1_ptr++; in mpihelp_sub_1()
73 s2_limb = x - s2_limb; in mpihelp_sub_1()
[all …]
Dec.c65 p->x = mpi_new(0); in mpi_point_init()
74 mpi_free(p->x); p->x = NULL; in mpi_point_free_parts()
83 mpi_set(d->x, s->x); in point_set()
92 mpi_resize(p->x, nlimbs); in point_resize()
93 p->x->nlimbs = nlimbs; in point_resize()
106 mpi_swap_cond(d->x, s->x, swap); in point_swap_cond()
176 static void ec_invm(MPI x, MPI a, struct mpi_ec_ctx *ctx) in ec_invm() argument
178 if (!mpi_invm(x, a, ctx->p)) in ec_invm()
187 mpi_limb_t x; in mpih_set_cond() local
190 x = mask & (wp[i] ^ up[i]); in mpih_set_cond()
[all …]
Dmpi-mod.c95 void mpi_mod_barrett(MPI r, MPI x, mpi_barrett_t ctx) in mpi_mod_barrett() argument
104 mpi_normalize(x); in mpi_mod_barrett()
105 if (mpi_get_nlimbs(x) > 2*k) { in mpi_mod_barrett()
106 mpi_mod(r, x, m); in mpi_mod_barrett()
110 sign = x->sign; in mpi_mod_barrett()
111 x->sign = 0; in mpi_mod_barrett()
118 mpi_set(r2, x); in mpi_mod_barrett()
128 mpi_set(r1, x); in mpi_mod_barrett()
149 x->sign = sign; in mpi_mod_barrett()
Dgeneric_mpih-add1.c24 mpi_limb_t x, y, cy; in mpihelp_add_n() local
39 x = s1_ptr[j]; in mpihelp_add_n()
42 y += x; /* add other addend */ in mpihelp_add_n()
43 cy += y < x; /* get out carry from that add, combine */ in mpihelp_add_n()
Dgeneric_mpih-sub1.c23 mpi_limb_t x, y, cy; in mpihelp_sub_n() local
38 x = s1_ptr[j]; in mpihelp_sub_n()
41 y = x - y; /* main subtract */ in mpihelp_sub_n()
42 cy += y > x; /* get out carry from the subtract, combine */ in mpihelp_sub_n()
Dgeneric_mpih-mul3.c26 mpi_limb_t x; in mpihelp_submul_1() local
41 x = res_ptr[j]; in mpihelp_submul_1()
42 prod_low = x - prod_low; in mpihelp_submul_1()
43 cy_limb += prod_low > x ? 1 : 0; in mpihelp_submul_1()
Dgeneric_mpih-mul2.c26 mpi_limb_t x; in mpihelp_addmul_1() local
41 x = res_ptr[j]; in mpihelp_addmul_1()
42 prod_low = x + prod_low; in mpihelp_addmul_1()
43 cy_limb += prod_low < x ? 1 : 0; in mpihelp_addmul_1()
Dmpiutil.c305 mpi_limb_t x; in mpi_swap_cond() local
315 x = mask & (a->d[i] ^ b->d[i]); in mpi_swap_cond()
316 a->d[i] = a->d[i] ^ x; in mpi_swap_cond()
317 b->d[i] = b->d[i] ^ x; in mpi_swap_cond()
320 x = mask & (a->nlimbs ^ b->nlimbs); in mpi_swap_cond()
321 a->nlimbs = a->nlimbs ^ x; in mpi_swap_cond()
322 b->nlimbs = b->nlimbs ^ x; in mpi_swap_cond()
324 x = mask & (a->sign ^ b->sign); in mpi_swap_cond()
325 a->sign = a->sign ^ x; in mpi_swap_cond()
326 b->sign = b->sign ^ x; in mpi_swap_cond()
/lib/math/
Dprime_numbers.c69 static bool slow_is_prime_number(unsigned long x) in slow_is_prime_number() argument
71 unsigned long y = int_sqrt(x); in slow_is_prime_number()
74 if ((x % y) == 0) in slow_is_prime_number()
82 static unsigned long slow_next_prime_number(unsigned long x) in slow_next_prime_number() argument
84 while (x < ULONG_MAX && !slow_is_prime_number(++x)) in slow_next_prime_number()
87 return x; in slow_next_prime_number()
90 static unsigned long clear_multiples(unsigned long x, in clear_multiples() argument
97 m = 2 * x; in clear_multiples()
99 m = roundup(start, x); in clear_multiples()
103 m += x; in clear_multiples()
[all …]
Dint_sqrt.c20 unsigned long int_sqrt(unsigned long x) in int_sqrt() argument
24 if (x <= 1) in int_sqrt()
25 return x; in int_sqrt()
27 m = 1UL << (__fls(x) & ~1UL); in int_sqrt()
32 if (x >= b) { in int_sqrt()
33 x -= b; in int_sqrt()
49 u32 int_sqrt64(u64 x) in int_sqrt64() argument
53 if (x <= ULONG_MAX) in int_sqrt64()
54 return int_sqrt((unsigned long) x); in int_sqrt64()
56 m = 1ULL << ((fls64(x) - 1) & ~1ULL); in int_sqrt64()
[all …]
/lib/
Dchecksum.c37 static inline unsigned short from32to16(unsigned int x) in from32to16() argument
40 x = (x & 0xffff) + (x >> 16); in from32to16()
42 x = (x & 0xffff) + (x >> 16); in from32to16()
43 return x; in from32to16()
149 static inline u32 from64to32(u64 x) in from64to32() argument
152 x = (x & 0xffffffff) + (x >> 32); in from64to32()
154 x = (x & 0xffffffff) + (x >> 32); in from64to32()
155 return (u32)x; in from64to32()
Dextable.c16 #define ex_to_insn(x) ((x)->insn) argument
18 static inline unsigned long ex_to_insn(const struct exception_table_entry *x) in ex_to_insn() argument
20 return (unsigned long)&x->insn + x->insn; in ex_to_insn()
29 struct exception_table_entry *x = a, *y = b, tmp; in swap_ex() local
32 tmp = *x; in swap_ex()
33 x->insn = y->insn + delta; in swap_ex()
37 swap_ex_entry_fixup(x, y, tmp, delta); in swap_ex()
39 x->fixup = y->fixup + delta; in swap_ex()
53 const struct exception_table_entry *x = a, *y = b; in cmp_ex_sort() local
56 if (ex_to_insn(x) > ex_to_insn(y)) in cmp_ex_sort()
[all …]
Dtest_hash.c38 mod255(u32 x) in mod255() argument
40 x = (x & 0xffff) + (x >> 16); /* 1 <= x <= 0x1fffe */ in mod255()
41 x = (x & 0xff) + (x >> 8); /* 1 <= x <= 0x2fd */ in mod255()
42 x = (x & 0xff) + (x >> 8); /* 1 <= x <= 0x100 */ in mod255()
43 x = (x & 0xff) + (x >> 8); /* 1 <= x <= 0xff */ in mod255()
44 return x; in mod255()
Dlocking-selftest.c223 #define L(x) spin_lock(&lock_##x) argument
224 #define U(x) spin_unlock(&lock_##x) argument
225 #define LU(x) L(x); U(x) argument
226 #define SI(x) spin_lock_init(&lock_##x) argument
228 #define WL(x) write_lock(&rwlock_##x) argument
229 #define WU(x) write_unlock(&rwlock_##x) argument
230 #define WLU(x) WL(x); WU(x) argument
232 #define RL(x) read_lock(&rwlock_##x) argument
233 #define RU(x) read_unlock(&rwlock_##x) argument
234 #define RLU(x) RL(x); RU(x) argument
[all …]
Dearlycpio.c66 unsigned char c, x; in find_cpio_data() local
88 x = c - '0'; in find_cpio_data()
89 if (x < 10) { in find_cpio_data()
90 v += x; in find_cpio_data()
94 x = (c | 0x20) - 'a'; in find_cpio_data()
95 if (x < 6) { in find_cpio_data()
96 v += x + 10; in find_cpio_data()
Dcrc32.c37 # define tole(x) ((__force u32) cpu_to_le32(x)) argument
39 # define tole(x) (x) argument
43 # define tobe(x) ((__force u32) cpu_to_be32(x)) argument
45 # define tobe(x) (x) argument
61 # define DO_CRC(x) crc = t0[(crc ^ (x)) & 255] ^ (crc >> 8) argument
67 # define DO_CRC(x) crc = t0[((crc >> 24) ^ (x)) & 255] ^ (crc << 8)
217 static u32 __attribute_const__ gf2_multiply(u32 x, u32 y, u32 modulus) argument
219 u32 product = x & 1 ? y : 0;
224 x >>= 1;
225 product ^= x & 1 ? y : 0;
Dsha1.c39 #define setW(x, val) (*(volatile __u32 *)&W(x) = (val)) argument
41 #define setW(x, val) do { W(x) = (val); __asm__("":::"memory"); } while (0) argument
43 #define setW(x, val) (W(x) = (val)) argument
47 #define W(x) (array[(x)&15]) argument
/lib/raid6/
Daltivec.uc43 #define NBYTES(x) ((vector signed char) {x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x})
Ds390vx.uc30 * vector register x.
32 static inline void SHLBYTE(int x, int y)
34 asm volatile ("VAB %0,%1,%1" : : "i" (x), "i" (y));
41 * register x.
43 static inline void MASK(int x, int y)
45 asm volatile ("VESRAVB %0,%1,24" : : "i" (x), "i" (y));
48 static inline void AND(int x, int y, int z)
50 asm volatile ("VN %0,%1,%2" : : "i" (x), "i" (y), "i" (z));
53 static inline void XOR(int x, int y, int z)
55 asm volatile ("VX %0,%1,%2" : : "i" (x), "i" (y), "i" (z));
[all …]

123