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Searched refs:seed (Results 1 – 25 of 142) sorted by relevance

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/linux/drivers/firmware/efi/libstub/
H A Drandom.c70 struct linux_efi_random_seed *prev_seed, *seed = NULL; in efi_random_get_seed() local
106 struct_size(seed, bits, seed_size), in efi_random_get_seed()
107 (void **)&seed); in efi_random_get_seed()
115 EFI_RANDOM_SEED_SIZE, seed->bits); in efi_random_get_seed()
123 EFI_RANDOM_SEED_SIZE, seed->bits); in efi_random_get_seed()
131 &nv_seed_size, seed->bits + offset); in efi_random_get_seed()
148 memzero_explicit(seed->bits + offset, nv_seed_size); in efi_random_get_seed()
155 memcpy(seed->bits + offset, prev_seed->bits, prev_seed_size); in efi_random_get_seed()
159 seed->size = offset; in efi_random_get_seed()
160 status = efi_bs_call(install_configuration_table, &rng_table_guid, seed); in efi_random_get_seed()
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H A Dzboot.c101 u32 seed = U32_MAX; in efi_zboot_entry() local
106 seed = 0; in efi_zboot_entry()
110 status = efi_get_random_bytes(sizeof(seed), (u8 *)&seed); in efi_zboot_entry()
122 seed, EFI_LOADER_CODE, 0, EFI_ALLOC_LIMIT); in efi_zboot_entry()
/linux/drivers/crypto/allwinner/sun8i-ss/
H A Dsun8i-ss-prng.c19 int sun8i_ss_prng_seed(struct crypto_rng *tfm, const u8 *seed, in sun8i_ss_prng_seed() argument
24 if (ctx->seed && ctx->slen != slen) { in sun8i_ss_prng_seed()
25 kfree_sensitive(ctx->seed); in sun8i_ss_prng_seed()
27 ctx->seed = NULL; in sun8i_ss_prng_seed()
29 if (!ctx->seed) in sun8i_ss_prng_seed()
30 ctx->seed = kmalloc(slen, GFP_KERNEL); in sun8i_ss_prng_seed()
31 if (!ctx->seed) in sun8i_ss_prng_seed()
34 memcpy(ctx->seed, seed, slen); in sun8i_ss_prng_seed()
52 kfree_sensitive(ctx->seed); in sun8i_ss_prng_exit()
53 ctx->seed = NULL; in sun8i_ss_prng_exit()
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/linux/drivers/crypto/allwinner/sun8i-ce/
H A Dsun8i-ce-prng.c29 kfree_sensitive(ctx->seed); in sun8i_ce_prng_exit()
30 ctx->seed = NULL; in sun8i_ce_prng_exit()
34 int sun8i_ce_prng_seed(struct crypto_rng *tfm, const u8 *seed, in sun8i_ce_prng_seed() argument
39 if (ctx->seed && ctx->slen != slen) { in sun8i_ce_prng_seed()
40 kfree_sensitive(ctx->seed); in sun8i_ce_prng_seed()
42 ctx->seed = NULL; in sun8i_ce_prng_seed()
44 if (!ctx->seed) in sun8i_ce_prng_seed()
45 ctx->seed = kmalloc(slen, GFP_KERNEL | GFP_DMA); in sun8i_ce_prng_seed()
46 if (!ctx->seed) in sun8i_ce_prng_seed()
49 memcpy(ctx->seed, seed, slen); in sun8i_ce_prng_seed()
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/linux/lib/
H A Dxxhash.c94 static uint32_t xxh32_round(uint32_t seed, const uint32_t input) in xxh32_round() argument
96 seed += input * PRIME32_2; in xxh32_round()
97 seed = xxh_rotl32(seed, 13); in xxh32_round()
98 seed *= PRIME32_1; in xxh32_round()
99 return seed; in xxh32_round()
102 uint32_t xxh32(const void *input, const size_t len, const uint32_t seed) in xxh32() argument
110 uint32_t v1 = seed + PRIME32_1 + PRIME32_2; in xxh32()
111 uint32_t v2 = seed + PRIME32_2; in xxh32()
112 uint32_t v3 = seed + 0; in xxh32()
113 uint32_t v4 = seed - PRIME32_1; in xxh32()
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H A Dtest_hash.c26 xorshift(u32 seed) in xorshift() argument
28 seed ^= seed << 13; in xorshift()
29 seed ^= seed >> 17; in xorshift()
30 seed ^= seed << 5; in xorshift()
31 return seed; in xorshift()
46 static void fill_buf(char *buf, size_t len, u32 seed) in fill_buf() argument
51 seed = xorshift(seed); in fill_buf()
52 buf[i] = mod255(seed); in fill_buf()
/linux/kernel/trace/
H A Dtrace_benchmark.c43 u64 seed; in trace_do_benchmark() local
123 seed = avg; in trace_do_benchmark()
125 last_seed = seed; in trace_do_benchmark()
126 seed = stddev; in trace_do_benchmark()
129 seed = div64_u64(seed, last_seed); in trace_do_benchmark()
130 seed += last_seed; in trace_do_benchmark()
131 do_div(seed, 2); in trace_do_benchmark()
132 } while (i++ < 10 && last_seed != seed); in trace_do_benchmark()
134 std = seed; in trace_do_benchmark()
/linux/scripts/basic/
H A DMakefile9 gen-randstruct-seed := $(srctree)/scripts/gen-randstruct-seed.sh
12 $(CONFIG_SHELL) $(gen-randstruct-seed) \
14 $(obj)/randstruct.seed: $(gen-randstruct-seed) FORCE
16 always-$(CONFIG_RANDSTRUCT) += randstruct.seed
/linux/include/linux/
H A Dxxhash.h95 uint32_t xxh32(const void *input, size_t length, uint32_t seed);
108 uint64_t xxh64(const void *input, size_t length, uint64_t seed);
124 uint64_t seed) in xxhash() argument
127 return xxh64(input, length, seed); in xxhash()
129 return xxh32(input, length, seed); in xxhash()
178 void xxh32_reset(struct xxh32_state *state, uint32_t seed);
212 void xxh64_reset(struct xxh64_state *state, uint64_t seed);
/linux/arch/arm64/kernel/pi/
H A Dkaslr_early.c44 u64 seed, range; in kaslr_early_init() local
49 seed = get_kaslr_seed(fdt, chosen); in kaslr_early_init()
50 if (!seed) { in kaslr_early_init()
52 !__arm64_rndr((unsigned long *)&seed)) in kaslr_early_init()
56 memstart_offset_seed = seed & U16_MAX; in kaslr_early_init()
65 return range / 2 + (((__uint128_t)range * seed) >> 64); in kaslr_early_init()
/linux/block/
H A Dt10-pi.c18 sector_t seed; member
54 pi->ref_tag = cpu_to_be32(lower_32_bits(iter->seed)); in t10_pi_generate()
60 iter->seed++; in t10_pi_generate()
79 lower_32_bits(iter->seed)) { in t10_pi_verify()
83 iter->seed, be32_to_cpu(pi->ref_tag)); in t10_pi_verify()
101 (unsigned long long)iter->seed, in t10_pi_verify()
109 iter->seed++; in t10_pi_verify()
232 put_unaligned_be48(iter->seed, pi->ref_tag); in ext_pi_crc64_generate()
238 iter->seed++; in ext_pi_crc64_generate()
257 u64 ref, seed; in ext_pi_crc64_verify() local
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/linux/drivers/firmware/efi/
H A Defi.c731 struct linux_efi_random_seed *seed; in efi_config_parse_tables() local
734 seed = early_memremap(efi_rng_seed, sizeof(*seed)); in efi_config_parse_tables()
735 if (seed != NULL) { in efi_config_parse_tables()
736 size = min_t(u32, seed->size, SZ_1K); // sanity check in efi_config_parse_tables()
737 early_memunmap(seed, sizeof(*seed)); in efi_config_parse_tables()
742 seed = early_memremap(efi_rng_seed, in efi_config_parse_tables()
743 sizeof(*seed) + size); in efi_config_parse_tables()
744 if (seed != NULL) { in efi_config_parse_tables()
745 add_bootloader_randomness(seed->bits, size); in efi_config_parse_tables()
746 memzero_explicit(seed->bits, size); in efi_config_parse_tables()
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/linux/arch/x86/tools/
H A Dinsn_sanity.c33 static unsigned int seed; /* Random seed */ variable
101 fprintf(fp, " $ %s -s 0x%x,%lu\n", prog, seed, nr_iter); in dump_stream()
113 if (read(fd, &seed, sizeof(seed)) != sizeof(seed)) in init_random_seed()
185 seed = (unsigned int)strtoul(optarg, &tmp, 0); in parse_args()
215 srand(seed); in parse_args()
262 seed); in main()
/linux/drivers/crypto/allwinner/sun4i-ss/
H A Dsun4i-ss-prng.c4 int sun4i_ss_prng_seed(struct crypto_rng *tfm, const u8 *seed, in sun4i_ss_prng_seed() argument
11 memcpy(algt->ss->seed, seed, slen); in sun4i_ss_prng_seed()
48 writel(ss->seed[i], ss->base + SS_KEY0 + i * 4); in sun4i_ss_prng_generate()
59 ss->seed[i] = v; in sun4i_ss_prng_generate()
/linux/crypto/
H A Dxxhash_generic.c13 u64 seed; member
25 if (keylen != sizeof(tctx->seed)) in xxhash64_setkey()
27 tctx->seed = get_unaligned_le64(key); in xxhash64_setkey()
36 xxh64_reset(&dctx->xxhstate, tctx->seed); in xxhash64_init()
65 put_unaligned_le64(xxh64(data, length, tctx->seed), out); in xxhash64_digest()
H A Dansi_cprng.c365 const u8 *seed, unsigned int slen) in cprng_reset() argument
368 const u8 *key = seed + DEFAULT_BLK_SZ; in cprng_reset()
377 reset_prng_context(prng, key, DEFAULT_PRNG_KSZ, seed, dt); in cprng_reset()
395 const u8 *seed, unsigned int slen) in fips_cprng_reset() argument
398 const u8 *key = seed + DEFAULT_BLK_SZ; in fips_cprng_reset()
407 if (!memcmp(seed, key, DEFAULT_PRNG_KSZ)) in fips_cprng_reset()
410 rc = cprng_reset(tfm, seed, slen); in fips_cprng_reset()
426 .seed = cprng_reset,
440 .seed = fips_cprng_reset,
H A Drng.c31 int crypto_rng_reset(struct crypto_rng *tfm, const u8 *seed, unsigned int slen) in crypto_rng_reset() argument
36 if (!seed && slen) { in crypto_rng_reset()
44 seed = buf; in crypto_rng_reset()
47 err = crypto_rng_alg(tfm)->seed(tfm, seed, slen); in crypto_rng_reset()
/linux/arch/powerpc/mm/nohash/
H A Dkaslr_booke.c288 u64 seed; in kaslr_choose_location() local
297 seed = get_tb() << 32; in kaslr_choose_location()
298 seed ^= get_tb(); in kaslr_choose_location()
299 random = rotate_xor(random, &seed, sizeof(seed)); in kaslr_choose_location()
304 seed = get_kaslr_seed(dt_ptr); in kaslr_choose_location()
305 if (seed) in kaslr_choose_location()
306 random = rotate_xor(random, &seed, sizeof(seed)); in kaslr_choose_location()
/linux/drivers/base/power/
H A Dtrace.c143 static unsigned int hash_string(unsigned int seed, const char *data, unsigned int mod) in hash_string() argument
147 seed = (seed << 16) + (seed << 6) - seed + c; in hash_string()
149 return seed % mod; in hash_string()
/linux/arch/s390/boot/
H A Dkaslr.c57 unsigned long seed, random; in get_random() local
63 seed = get_tod_clock_fast(); in get_random()
70 (u8 *) &seed, sizeof(seed)); in get_random()
76 *(unsigned long *) prng.parm_block ^= seed; in get_random()
83 random = seed; in get_random()
/linux/arch/riscv/kernel/pi/
H A Darchrandom_early.c21 unsigned long seed = 0; in get_kaslr_seed_zkr() local
26 if (!csr_seed_long(&seed)) in get_kaslr_seed_zkr()
29 return seed; in get_kaslr_seed_zkr()
/linux/drivers/crypto/hisilicon/trng/
H A Dtrng.c67 static void hisi_trng_set_seed(struct hisi_trng *trng, const u8 *seed) in hisi_trng_set_seed() argument
73 val = seed[i] << SEED_SHIFT_24; in hisi_trng_set_seed()
74 val |= seed[i + 1UL] << SEED_SHIFT_16; in hisi_trng_set_seed()
75 val |= seed[i + 2UL] << SEED_SHIFT_8; in hisi_trng_set_seed()
76 val |= seed[i + 3UL]; in hisi_trng_set_seed()
83 static int hisi_trng_seed(struct crypto_rng *tfm, const u8 *seed, in hisi_trng_seed() argument
98 hisi_trng_set_seed(trng, seed); in hisi_trng_seed()
216 .seed = hisi_trng_seed,
/linux/drivers/char/hw_random/
H A Dhisi-rng.c38 u32 seed; in hisi_rng_init() local
41 get_random_bytes(&seed, sizeof(seed)); in hisi_rng_init()
43 writel_relaxed(seed, hrng->base + RNG_SEED); in hisi_rng_init()
/linux/drivers/mtd/tests/
H A Dnandbiterrs.c49 static unsigned seed; variable
50 module_param(seed, uint, S_IRUGO);
51 MODULE_PARM_DESC(seed, "Random seed");
162 if (rbuffer[i] != hash(i+seed)) { in verify_page()
164 i, hash(i+seed), rbuffer[i]); in verify_page()
209 wbuffer[i] = hash(i+seed); in incremental_errors_test()
272 wbuffer[i] = hash(i+seed); in overwrite_test()
/linux/fs/nilfs2/
H A Dsegbuf.c176 nilfs_segbuf_fill_in_segsum_crc(struct nilfs_segment_buffer *segbuf, u32 seed) in nilfs_segbuf_fill_in_segsum_crc() argument
188 crc = crc32_le(seed, in nilfs_segbuf_fill_in_segsum_crc()
204 u32 seed) in nilfs_segbuf_fill_in_data_crc() argument
213 crc = crc32_le(seed, in nilfs_segbuf_fill_in_data_crc()
235 u32 seed) in nilfs_segbuf_fill_in_super_root_crc() argument
244 crc = crc32_le(seed, in nilfs_segbuf_fill_in_super_root_crc()
322 void nilfs_add_checksums_on_logs(struct list_head *logs, u32 seed) in nilfs_add_checksums_on_logs() argument
328 nilfs_segbuf_fill_in_super_root_crc(segbuf, seed); in nilfs_add_checksums_on_logs()
329 nilfs_segbuf_fill_in_segsum_crc(segbuf, seed); in nilfs_add_checksums_on_logs()
330 nilfs_segbuf_fill_in_data_crc(segbuf, seed); in nilfs_add_checksums_on_logs()

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