| /kernel/linux/linux-5.10/drivers/char/hw_random/ |
| D | Kconfig | 3 # Hardware Random Number Generator (RNG) configuration
7 tristate "Hardware Random Number Generator Core support"
10 Hardware Random Number Generator Core infrastructure.
15 of possibly several hardware random number generators.
17 These hardware random number generators do feed into the
18 kernel's random number generator entropy pool.
25 tristate "Timer IOMEM HW Random Number Generator support"
28 This driver provides kernel-side support for a generic Random
39 tristate "Intel HW Random Number Generator support"
43 This driver provides kernel-side support for the Random Number
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| /kernel/linux/linux-5.10/include/crypto/ |
| D | rng.h | 3 * RNG: Random Number Generator algorithms under the crypto API
17 * struct rng_alg - random number generator definition
20 * random number. The random number generator transform
21 * must generate the random number out of the context
24 * @seed: Seed or reseed the random number generator. With the
25 * invocation of this function call, the random number
27 * random number generator requires a seed for setting
33 * @seedsize: The seed size required for a random number generator
35 * random number generators does not require a seed
64 * DOC: Random number generator API
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| /kernel/linux/linux-5.10/tools/testing/selftests/powerpc/signal/ |
| D | sigfuz.c | 14 * test depends on random numbers, and, based on them, it sets different TM
18 * to the sigreturn system call with random data, in order to make sure that
153 ucp->uc_mcontext.gp_regs[PT_MSR] = random(); in trap_signal_handler()
155 ucp->uc_mcontext.gp_regs[PT_NIP] = random(); in trap_signal_handler()
157 ucp->uc_link->uc_mcontext.gp_regs[PT_MSR] = random(); in trap_signal_handler()
159 ucp->uc_link->uc_mcontext.gp_regs[PT_NIP] = random(); in trap_signal_handler()
161 ucp->uc_mcontext.gp_regs[PT_TRAP] = random(); in trap_signal_handler()
162 ucp->uc_mcontext.gp_regs[PT_DSISR] = random(); in trap_signal_handler()
163 ucp->uc_mcontext.gp_regs[PT_DAR] = random(); in trap_signal_handler()
164 ucp->uc_mcontext.gp_regs[PT_ORIG_R3] = random(); in trap_signal_handler()
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| /kernel/linux/linux-5.10/arch/x86/lib/ |
| D | kaslr.c | 56 unsigned long raw, random = get_boot_seed(); in kaslr_get_random_long() local
65 random ^= raw; in kaslr_get_random_long()
74 random ^= raw; in kaslr_get_random_long()
80 random ^= i8254(); in kaslr_get_random_long()
85 : "=a" (random), "=d" (raw) in kaslr_get_random_long()
86 : "a" (random), "rm" (mix_const)); in kaslr_get_random_long()
87 random += raw; in kaslr_get_random_long()
91 return random; in kaslr_get_random_long()
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| /kernel/linux/linux-5.10/Documentation/admin-guide/ |
| D | hw_random.rst | 2 Linux support for random number generator in i8xx chipsets
10 a Random Number Generator (RNG). The software has two parts:
24 /dev/random special files.
30 and read() system calls, you can read random data from
36 data before assuming it is truly random.
54 Hardware driver for Intel/AMD/VIA Random Number Generators (RNG)
62 The Firmware Hub integrates a Random Number Generator (RNG)
63 using thermal noise generated from inherently random quantum
64 mechanical properties of silicon. When not generating new random
97 Random Number Generator
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| /kernel/linux/linux-5.10/tools/testing/selftests/powerpc/stringloops/ |
| D | memcmp.c | 105 s1[j] = random(); in testcase()
107 rand_s1 += random() % MAX_OFFSET_DIFF_S1_S2; in testcase()
108 rand_s2 += random() % MAX_OFFSET_DIFF_S1_S2; in testcase()
112 change = random() % comp_size; in testcase()
113 rand_s2[change] = random() & 0xff; in testcase()
131 s1[j] = random(); in testcase()
133 rand_s1 += random() % MAX_OFFSET_DIFF_S1_S2; in testcase()
134 rand_s2 += random() % MAX_OFFSET_DIFF_S1_S2; in testcase()
139 change = random() % comp_size; in testcase()
140 s2[change] = random() & 0xff; in testcase()
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| /kernel/linux/linux-5.10/drivers/firmware/efi/libstub/ |
| D | random.c | 29 * efi_get_random_bytes() - fill a buffer with random bytes
31 * @out: caller allocated buffer to receive the random bytes
34 * EFI_RNG_PROTOCOL or there are not enough random bytes available to fill
53 * efi_random_get_seed() - provide random seed as configuration table
55 * The EFI_RNG_PROTOCOL is used to read random bytes. These random bytes are
57 * for the initialization of its pseudo random number generator.
59 * If the EFI_RNG_PROTOCOL is not available or there are not enough random bytes
|
| /kernel/linux/linux-5.10/arch/s390/boot/ |
| D | kaslr.c | 56 unsigned long seed, random; in get_random() local
65 cpacf_trng(NULL, 0, (u8 *) &random, sizeof(random)); in get_random()
70 cpacf_prno(CPACF_PRNO_SHA512_DRNG_GEN, &prno, (u8 *) &random, in get_random()
71 sizeof(random), NULL, 0); in get_random()
82 random = seed; in get_random()
83 cpacf_kmc(CPACF_KMC_PRNG, prng.parm_block, (u8 *) &random, in get_random()
84 (u8 *) &random, sizeof(random)); in get_random()
89 *value = random % limit; in get_random()
115 * addresses we generate random value just once. For that we need to build a
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| /kernel/linux/linux-5.10/tools/testing/selftests/bpf/verifier/ |
| D | ld_dw.c | 2 "ld_dw: xor semi-random 64 bit imms, test 1",
11 "ld_dw: xor semi-random 64 bit imms, test 2",
20 "ld_dw: xor semi-random 64 bit imms, test 3",
29 "ld_dw: xor semi-random 64 bit imms, test 4",
38 "ld_dw: xor semi-random 64 bit imms, test 5",
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| /kernel/liteos_a/drivers/char/random/ |
| D | Kconfig | 2 bool "Enable random"
6 Answer Y to support random.
9 bool "Select hw random"
12 Answer Y to select hw random.
|
| /kernel/linux/linux-5.10/tools/testing/selftests/drivers/net/mlxsw/ |
| D | sharedbuffer_configuration.py | 6 import random
16 objects, pool, tcbind and portpool. Provide an interface to get random
19 - random size
22 - random pool number
23 - random threshold
26 - random threshold
49 th = random.randint(3, 16)
67 return arr[random.randint(0, len(arr) - 1)]
223 # For each pool, set random size and static threshold type
296 # Bind each port and unicast TC (TCs < 8) to a random pool and a random
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| /kernel/linux/linux-5.10/lib/ |
| D | uuid.c | 14 #include <linux/random.h>
25 * generate_random_uuid - generate a random UUID
28 * Random UUID interface
36 /* Set UUID version to 4 --- truly random generation */ in generate_random_uuid()
46 /* Set GUID version to 4 --- truly random generation */ in generate_random_guid()
63 /* version 4 : random generation */ in guid_gen()
71 /* version 4 : random generation */ in uuid_gen()
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| D | random32.c | 39 #include <linux/random.h>
47 * prandom_u32_state - seeded pseudo-random number generator.
51 * For more random results, use prandom_u32().
66 * prandom_bytes_state - get the requested number of pseudo-random bytes
69 * @buf: where to copy the pseudo-random bytes to
73 * For more random results, use prandom_bytes().
319 * Because of (ab)use in the networking code for choosing random TCP/UDP port
379 * prandom_u32 - pseudo random number generator
381 * A 32 bit pseudo-random number is generated using a fast
396 * prandom_bytes - get the requested number of pseudo-random bytes
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| /kernel/linux/linux-5.10/Documentation/admin-guide/device-mapper/ |
| D | dm-zoned.rst | 11 device-side performance degradation due to excessive random writes on
53 zones of the device may be used also for buffering user random writes.
56 reused for buffering incoming random writes.
75 zone used to buffer random modification to the data zone.
95 chunk, resulting in native random write performance similar to a regular
177 0 <size> zoned <nr_zones> zones <nr_unmap_rnd>/<nr_rnd> random <nr_unmap_seq>/<nr_seq> sequential
180 of unmapped (ie free) random zones, <nr_rnd> the total number of zones,
185 percent free random zones. In order to start the reclaim process manually
193 will start the reclaim process and random zones will be moved to sequential
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| /kernel/liteos_a/drivers/char/random/include/ |
| D | los_random.h | 51 int (*support)(void); /* Whether hard random numbers are supported */
52 void (*init)(void); /* Initializing the hard random number generator */
53 void (*deinit)(void); /* Deinitializing the hard random number generator */
54 int (*read)(char *buffer, size_t buflen); /* Read hard random number */
55 int (*ioctl)(int cmd, unsigned long arg); /* Control hard random number generator */
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| /kernel/linux/linux-5.10/include/linux/ |
| D | prandom.h | 5 * Include file for the fast pseudo-random 32-bit
74 * prandom_u32_max - returns a pseudo-random number in interval [0, ep_ro)
77 * Returns a pseudo-random number that is in interval [0, ep_ro). Note
81 * random index of an array containing ep_ro elements, for example.
83 * Returns: pseudo-random number in interval [0, ep_ro)
114 /* Pseudo random number generator from numerical recipes. */
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| D | hw_random.h | 2 Hardware Random Number Generator
21 * struct hwrng - Hardware Random Number Generator driver
29 * Returns the number of lower random bytes in "data".
57 /** Register a new Hardware Random Number Generator driver. */
60 /** Unregister a Hardware Random Number Generator driver. */
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| /kernel/linux/linux-5.10/drivers/net/team/ |
| D | team_mode_random.c | 3 * drivers/net/team/team_mode_random.c - Random mode for team
42 .kind = "random",
63 MODULE_DESCRIPTION("Random mode for team");
64 MODULE_ALIAS_TEAM_MODE("random");
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| /kernel/linux/linux-5.10/drivers/staging/media/atomisp/pci/ |
| D | ia_css_prbs.h | 20 * This file contains support for Pseudo Random Bit Sequence (PRBS) inputs
42 * Seed the for the Pseudo Random Bit Sequence.
50 int seed; /** random seed for the 1st 2-pixel-components/clock */
51 int seed1; /** random seed for the 2nd 2-pixel-components/clock */
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| /kernel/linux/linux-5.10/arch/powerpc/mm/nohash/ |
| D | kaslr_booke.c | 288 unsigned long offset, random; in kaslr_choose_location() local
297 random = get_boot_seed(dt_ptr); in kaslr_choose_location()
301 random = rotate_xor(random, &seed, sizeof(seed)); in kaslr_choose_location()
308 random = rotate_xor(random, &seed, sizeof(seed)); in kaslr_choose_location()
338 * Only use the low 8 bits of the random seed in kaslr_choose_location()
340 index = random & 0xFF; in kaslr_choose_location()
344 offset = random % (SZ_64M - kernel_sz); in kaslr_choose_location()
351 * To see if we need to relocate the kernel to a random offset
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| /kernel/linux/linux-5.10/include/uapi/linux/ |
| D | random.h | 3 * include/linux/random.h
5 * Include file for the random number generator.
15 /* ioctl()'s for the random number generator */
52 * GRND_INSECURE Return non-cryptographic random bytes
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| /kernel/linux/linux-5.10/arch/x86/tools/ |
| D | insn_sanity.c | 27 * Feed random binary to instruction decoder and ensure not to
37 static unsigned int seed; /* Random seed */
50 fprintf(stderr, "\t-s Give a random seed (and iteration number)\n"); in usage()
152 /* Fills buffer with random binary up to MAX_INSN_SIZE */ in generate_insn()
154 *(unsigned short *)(&insn_buff[i]) = random() & 0xffff; in generate_insn()
157 insn_buff[i++] = random() & 0xff; in generate_insn()
213 usage("Don't use input file (-i) with random seed (-s)"); in parse_args()
215 /* Initialize random seed */ in parse_args()
264 (input_file) ? "given" : "random", in main()
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/rng/ |
| D | microchip,pic32-rng.txt | 1 * Microchip PIC32 Random Number Generator
3 The PIC32 RNG provides a pseudo random number generator which can be seeded by
4 another true random number generator.
|
| /kernel/linux/linux-5.10/drivers/char/ |
| D | random.c | 35 #include <linux/random.h>
95 MODULE_PARM_DESC(ratelimit_disable, "Disable random ratelimit suppression");
99 * to supply cryptographically secure random numbers. This applies to: the
117 * cryptographically secure random numbers. This applies to: the /dev/urandom
186 printk_deferred(KERN_NOTICE "random: %s called from %pS with crng_init=%d\n", \
196 * RNG described at <https://blog.cr.yp.to/20170723-random.html>.
206 * These interfaces will return the requested number of random bytes
209 * functions may be higher performance for one-off random integers,
275 * half of the block containing 32 bytes of random data that may
327 * random data. It also returns up to 32 bytes on its own of random data
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| /kernel/linux/linux-5.10/Documentation/crypto/ |
| D | api-rng.rst | 1 Random Number Algorithm Definitions
7 Crypto API Random Number API
11 :doc: Random number generator API
|