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Searched refs:entropy (Results 1 – 25 of 88) sorted by relevance

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/openbmc/linux/drivers/media/platform/verisilicon/
H A Dhantro_vp8.c52 const struct v4l2_vp8_entropy *entropy = &hdr->entropy; in hantro_vp8_prob_update() local
69 dst[0] = entropy->y_mode_probs[0]; in hantro_vp8_prob_update()
70 dst[1] = entropy->y_mode_probs[1]; in hantro_vp8_prob_update()
71 dst[2] = entropy->y_mode_probs[2]; in hantro_vp8_prob_update()
72 dst[3] = entropy->y_mode_probs[3]; in hantro_vp8_prob_update()
73 dst[4] = entropy->uv_mode_probs[0]; in hantro_vp8_prob_update()
74 dst[5] = entropy->uv_mode_probs[1]; in hantro_vp8_prob_update()
75 dst[6] = entropy->uv_mode_probs[2]; in hantro_vp8_prob_update()
80 dst[0] = entropy->mv_probs[0][0]; /* is short */ in hantro_vp8_prob_update()
81 dst[1] = entropy->mv_probs[1][0]; in hantro_vp8_prob_update()
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/openbmc/linux/drivers/char/
H A Drandom.c486 type entropy[CHACHA_BLOCK_SIZE * 3 / (2 * sizeof(type))]; \
515 if (batch->position >= ARRAY_SIZE(batch->entropy) || \
517 _get_random_bytes(batch->entropy, sizeof(batch->entropy)); \
522 ret = batch->entropy[batch->position]; \
523 batch->entropy[batch->position] = 0; \
812 unsigned long flags, entropy = random_get_entropy(); in random_pm_notification() local
823 _mix_pool_bytes(&entropy, sizeof(entropy)); in random_pm_notification()
843 unsigned long entropy[BLAKE2S_BLOCK_SIZE / sizeof(long)]; in random_init_early() local
851 for (i = 0, arch_bits = sizeof(entropy) * 8; i < ARRAY_SIZE(entropy);) { in random_init_early()
852 longs = arch_get_random_seed_longs(entropy, ARRAY_SIZE(entropy) - i); in random_init_early()
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/openbmc/linux/lib/zstd/decompress/
H A Dzstd_ddict.c37 ZSTD_entropyDTables_t entropy; member
72 dctx->LLTptr = ddict->entropy.LLTable; in ZSTD_copyDDictParameters()
73 dctx->MLTptr = ddict->entropy.MLTable; in ZSTD_copyDDictParameters()
74 dctx->OFTptr = ddict->entropy.OFTable; in ZSTD_copyDDictParameters()
75 dctx->HUFptr = ddict->entropy.hufTable; in ZSTD_copyDDictParameters()
76 dctx->entropy.rep[0] = ddict->entropy.rep[0]; in ZSTD_copyDDictParameters()
77 dctx->entropy.rep[1] = ddict->entropy.rep[1]; in ZSTD_copyDDictParameters()
78 dctx->entropy.rep[2] = ddict->entropy.rep[2]; in ZSTD_copyDDictParameters()
110 &ddict->entropy, ddict->dictContent, ddict->dictSize)), in ZSTD_loadEntropy_intoDDict()
134 …ddict->entropy.hufTable[0] = (HUF_DTable)((HufLog)*0x1000001); /* cover both little and big endia… in ZSTD_initDDict_internal()
H A Dzstd_decompress.c1287 ZSTD_loadDEntropy(ZSTD_entropyDTables_t* entropy, in ZSTD_loadDEntropy() argument
1297 …entropyDTables_t, OFTable) == offsetof(ZSTD_entropyDTables_t, LLTable) + sizeof(entropy->LLTable)); in ZSTD_loadDEntropy()
1298 …entropyDTables_t, MLTable) == offsetof(ZSTD_entropyDTables_t, OFTable) + sizeof(entropy->OFTable)); in ZSTD_loadDEntropy()
1299 …ZSTD_STATIC_ASSERT(sizeof(entropy->LLTable) + sizeof(entropy->OFTable) + sizeof(entropy->MLTable) … in ZSTD_loadDEntropy()
1300 …{ void* const workspace = &entropy->LLTable; /* use fse tables as temporary workspace; implies… in ZSTD_loadDEntropy()
1301 …size_t const workspaceSize = sizeof(entropy->LLTable) + sizeof(entropy->OFTable) + sizeof(entropy-… in ZSTD_loadDEntropy()
1304 size_t const hSize = HUF_readDTableX1_wksp(entropy->hufTable, in ZSTD_loadDEntropy()
1308 size_t const hSize = HUF_readDTableX2_wksp(entropy->hufTable, in ZSTD_loadDEntropy()
1322 ZSTD_buildFSETable( entropy->OFTable, in ZSTD_loadDEntropy()
1326 entropy->workspace, sizeof(entropy->workspace), in ZSTD_loadDEntropy()
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H A Dzstd_decompress_internal.h131 ZSTD_entropyDTables_t entropy; member
217 size_t ZSTD_loadDEntropy(ZSTD_entropyDTables_t* entropy,
/openbmc/linux/drivers/media/test-drivers/visl/
H A Dvisl-trace-vp8.h21 __entry->f.entropy.coeff_probs,
22 sizeof(__entry->f.entropy.coeff_probs),
24 __print_array(__entry->f.entropy.y_mode_probs,
25 ARRAY_SIZE(__entry->f.entropy.y_mode_probs),
26 sizeof(__entry->f.entropy.y_mode_probs[0])),
27 __print_array(__entry->f.entropy.uv_mode_probs,
28 ARRAY_SIZE(__entry->f.entropy.uv_mode_probs),
29 sizeof(__entry->f.entropy.uv_mode_probs[0])),
31 __entry->f.entropy.mv_probs,
32 sizeof(__entry->f.entropy.mv_probs),
/openbmc/linux/arch/x86/mm/
H A Dkaslr.c132 unsigned long entropy; in kernel_randomize_memory() local
138 entropy = remain_entropy / (ARRAY_SIZE(kaslr_regions) - i); in kernel_randomize_memory()
140 entropy = (rand % (entropy + 1)) & PUD_MASK; in kernel_randomize_memory()
141 vaddr += entropy; in kernel_randomize_memory()
157 remain_entropy -= entropy; in kernel_randomize_memory()
/openbmc/linux/arch/s390/boot/
H A Dkaslr.c59 __u64 entropy[4]; in get_random() local
79 (u8 *) entropy, (u8 *) entropy, in get_random()
80 sizeof(entropy)); in get_random()
81 memcpy(prng.parm_block, entropy, sizeof(entropy)); in get_random()
/openbmc/linux/drivers/infiniband/ulp/opa_vnic/
H A Dopa_vnic_encap.c74 u16 pkey, u16 entropy, u8 sc, u8 rc, in opa_vnic_make_header() argument
81 h[3] = entropy; in opa_vnic_make_header()
461 u8 entropy) in opa_vnic_get_def_port() argument
466 flow_id = ((entropy & 0xf) + (entropy >> 4)); in opa_vnic_get_def_port()
487 u8 def_port, sc, rc, entropy, *hdr; in opa_vnic_encap_skb() local
493 entropy = opa_vnic_calc_entropy(skb); in opa_vnic_encap_skb()
494 def_port = opa_vnic_get_def_port(adapter, entropy); in opa_vnic_encap_skb()
503 mdata->entropy = entropy; in opa_vnic_encap_skb()
511 info->vesw.pkey, entropy, sc, rc, in opa_vnic_encap_skb()
/openbmc/linux/crypto/
H A Dalgif_rng.c63 u8 *entropy; member
226 kfree_sensitive(pctx->entropy); in rng_release()
269 if (IS_ENABLED(CONFIG_CRYPTO_USER_API_RNG_CAVP) && pctx->entropy) in rng_accept_parent()
285 static int __maybe_unused rng_setentropy(void *private, sockptr_t entropy, in rng_setentropy() argument
294 if (pctx->entropy) in rng_setentropy()
301 kentropy = memdup_sockptr(entropy, len); in rng_setentropy()
311 pctx->entropy = kentropy; in rng_setentropy()
H A Ddrbg.c244 const unsigned char *entropy) in drbg_fips_continuous_test() argument
261 memcpy(drbg->prev, entropy, entropylen); in drbg_fips_continuous_test()
266 ret = memcmp(drbg->prev, entropy, entropylen); in drbg_fips_continuous_test()
269 memcpy(drbg->prev, entropy, entropylen); in drbg_fips_continuous_test()
1077 unsigned char *entropy, in drbg_get_random_bytes() argument
1083 get_random_bytes(entropy, entropylen); in drbg_get_random_bytes()
1084 ret = drbg_fips_continuous_test(drbg, entropy); in drbg_get_random_bytes()
1097 unsigned char entropy[32]; in drbg_seed_from_random() local
1101 BUG_ON(entropylen > sizeof(entropy)); in drbg_seed_from_random()
1103 drbg_string_fill(&data, entropy, entropylen); in drbg_seed_from_random()
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/openbmc/linux/lib/zstd/compress/
H A Dzstd_compress_superblock.c259 static size_t ZSTD_compressSubBlock(const ZSTD_entropyCTables_t* entropy, in ZSTD_compressSubBlock() argument
276 { size_t cLitSize = ZSTD_compressSubBlock_literal((const HUF_CElt*)entropy->huf.CTable, in ZSTD_compressSubBlock()
283 { size_t cSeqSize = ZSTD_compressSubBlock_sequences(&entropy->fse, in ZSTD_compressSubBlock()
393 const ZSTD_entropyCTables_t* entropy, in ZSTD_estimateSubBlockSize() argument
399 … &entropy->huf, &entropyMetadata->hufMetadata, in ZSTD_estimateSubBlockSize()
402 … nbSeq, &entropy->fse, &entropyMetadata->fseMetadata, in ZSTD_estimateSubBlockSize()
481 &nextCBlock->entropy, entropyMetadata, in ZSTD_compressSubBlock_multi()
487 const size_t cSize = ZSTD_compressSubBlock(&nextCBlock->entropy, entropyMetadata, in ZSTD_compressSubBlock_multi()
521 … ZSTD_memcpy(&nextCBlock->entropy.huf, &prevCBlock->entropy.huf, sizeof(prevCBlock->entropy.huf)); in ZSTD_compressSubBlock_multi()
558 &zc->blockState.prevCBlock->entropy, in ZSTD_compressSuperBlock()
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/openbmc/qemu/hw/usb/
H A Du2f-emulated.c81 char *entropy; member
260 ret = u2f_emulated_read(key->entropy, (char *)&setup_info.entropy, in u2f_emulated_setup_vdev_manualy()
261 sizeof(setup_info.entropy)); in u2f_emulated_setup_vdev_manualy()
303 if (key->cert != NULL || key->privkey != NULL || key->entropy != NULL in u2f_emulated_realize()
306 && key->entropy != NULL && key->counter != NULL) { in u2f_emulated_realize()
376 DEFINE_PROP_STRING("entropy", U2FEmulatedState, entropy),
/openbmc/qemu/scripts/
H A Du2f-setup-gen.py25 entropy: bytes, counter: int) -> None:
49 f.write(entropy)
142 entropy = os.urandom(48)
148 write_setup_dir(dirpath, privkey_pem, certificate_pem, entropy, counter)
/openbmc/linux/scripts/gcc-plugins/
H A DKconfig33 bool "Generate some entropy during boot and runtime"
36 extract some entropy from both original and artificially created
38 there is little 'natural' source of entropy normally. The cost
42 Note that entropy extracted this way is not cryptographically
/openbmc/openbmc/poky/meta/recipes-core/udev/eudev/
H A D0001-random-util.c-sync-dev_urandom-implementation-to-sys.patch11 enforces the /dev/urandom entropy initialization from
18 delay to fill the 256 bits entropy for the case CONFIG_HZ=250.
25 - If enough entropy is not supplied, fallback to reading /dev/urandom,
75 - * returned entropy, but is good enough for or usual usecases
93 - /* not enough entropy for now. Let's
98 - * amount of entropy. */
/openbmc/qemu/docs/system/devices/
H A Dusb-u2f.rst54 * 48 bytes of entropy (random bits)
79 * ``entropy``: 48 bytes of entropy
90 * ``entropy``
93 … -device u2f-emulated,cert=$DIR1/$FILE1,priv=$DIR2/$FILE2,counter=$DIR3/$FILE3,entropy=$DIR4/$FILE4
/openbmc/linux/drivers/infiniband/hw/hfi1/
H A Dtrace_ibhdrs.h88 u16 *entropy, u16 *len, u16 *pkey,
94 u8 rc, u8 sc, u8 sl, u16 entropy,
138 __field(u16, entropy)
166 &__entry->entropy,
236 __entry->entropy,
297 __field(u16, entropy)
326 &__entry->entropy,
400 __entry->entropy,
/openbmc/linux/drivers/staging/media/sunxi/cedrus/
H A Dcedrus_vp8.c599 memcpy(&prob_table[0x1008], slice->entropy.y_mode_probs, in cedrus_vp8_update_probs()
600 sizeof(slice->entropy.y_mode_probs)); in cedrus_vp8_update_probs()
601 memcpy(&prob_table[0x1010], slice->entropy.uv_mode_probs, in cedrus_vp8_update_probs()
602 sizeof(slice->entropy.uv_mode_probs)); in cedrus_vp8_update_probs()
612 memcpy(&prob_table[0x1020], slice->entropy.mv_probs[0], in cedrus_vp8_update_probs()
614 memcpy(&prob_table[0x1040], slice->entropy.mv_probs[1], in cedrus_vp8_update_probs()
621 slice->entropy.coeff_probs[i][j][k], 11); in cedrus_vp8_update_probs()
/openbmc/linux/drivers/char/hw_random/
H A Dcore.c75 size_t entropy = bytes_read * 8 * rng->quality / 1024; in add_early_randomness() local
76 add_hwgenerator_randomness(rng_fillbuf, bytes_read, entropy, false); in add_early_randomness()
501 size_t entropy, entropy_credit = 0; /* in 1/1024 of a bit */ in hwrng_fillfn() local
530 entropy = rc * quality * 8 + entropy_credit; in hwrng_fillfn()
531 if ((entropy >> 10) == 0) in hwrng_fillfn()
532 entropy_credit = entropy; in hwrng_fillfn()
536 entropy >> 10, true); in hwrng_fillfn()
/openbmc/openbmc/meta-openembedded/meta-oe/recipes-extended/haveged/
H A Dhaveged_1.9.19.bb1 SUMMARY = "haveged - A simple entropy daemon"
2 …an adaptation of the HAVEGE algorithm. Haveged was created to remedy low-entropy conditions in the…
/openbmc/linux/arch/loongarch/kernel/
H A Drelocate.c95 unsigned long entropy = random_get_entropy(); in get_random_boot() local
101 hash = rotate_xor(hash, &entropy, sizeof(entropy)); in get_random_boot()
/openbmc/linux/arch/s390/crypto/
H A Dprng.c189 __u64 entropy[4]; in prng_tdes_add_entropy() local
194 (char *) entropy, (char *) entropy, in prng_tdes_add_entropy()
195 sizeof(entropy)); in prng_tdes_add_entropy()
196 memcpy(prng_data->prngws.parm_block, entropy, sizeof(entropy)); in prng_tdes_add_entropy()
/openbmc/linux/Documentation/powerpc/
H A Dkaslr-booke32.rst22 pass entropy via the /chosen/kaslr-seed node in device tree.
26 bit of the entropy to decide the index of the 64M zone. Then we chose a
/openbmc/linux/arch/mips/kernel/
H A Drelocate.c217 unsigned long entropy = random_get_entropy(); in get_random_boot() local
224 hash = rotate_xor(hash, &entropy, sizeof(entropy)); in get_random_boot()

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