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/Linux-v5.15/arch/arm/crypto/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
13 tristate "SHA1 digest algorithm (ARM-asm)"
17 SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented
27 SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented
37 SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented
41 tristate "SHA-224/256 digest algorithm (ARM v8 Crypto Extensions)"
46 SHA-256 secure hash standard (DFIPS 180-2) implemented
50 tristate "SHA-224/256 digest algorithm (ARM-asm and NEON)"
54 SHA-256 secure hash standard (DFIPS 180-2) implemented
58 tristate "SHA-384/512 digest algorithm (ARM-asm and NEON)"
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Dsha2-ce-glue.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * sha2-ce-glue.c - SHA-224/SHA-256 using ARMv8 Crypto Extensions
23 MODULE_DESCRIPTION("SHA-224/SHA-256 secure hash using ARMv8 Crypto Extensions");
36 (sctx->count % SHA256_BLOCK_SIZE) + len < SHA256_BLOCK_SIZE) in sha2_ce_update()
77 .cra_driver_name = "sha224-ce",
91 .cra_driver_name = "sha256-ce",
/Linux-v5.15/arch/arm64/crypto/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
13 tristate "SHA-224/SHA-256 digest algorithm for arm64"
17 tristate "SHA-384/SHA-512 digest algorithm for arm64"
21 tristate "SHA-1 digest algorithm (ARMv8 Crypto Extensions)"
27 tristate "SHA-224/SHA-256 digest algorithm (ARMv8 Crypto Extensions)"
33 tristate "SHA-384/SHA-512 digest algorithm (ARMv8 Crypto Extensions)"
57 tristate "GHASH/AES-GCM using ARMv8 Crypto Extensions"
121 tristate "AES in ECB/CBC/CTR/XTS modes using bit-sliced NEON algorithm"
Dsha2-ce-glue.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * sha2-ce-glue.c - SHA-224/SHA-256 using ARMv8 Crypto Extensions
5 * Copyright (C) 2014 - 2017 Linaro Ltd <ard.biesheuvel@linaro.org>
19 MODULE_DESCRIPTION("SHA-224/SHA-256 secure hash using ARMv8 Crypto Extensions");
46 src += (blocks - rem) * SHA256_BLOCK_SIZE; in __sha2_ce_transform()
61 sha256_block_data_order(sst->state, src, blocks); in __sha256_block_data_order()
73 sctx->finalize = 0; in sha256_ce_update()
83 bool finalize = !sctx->sst.count && !(len % SHA256_BLOCK_SIZE) && len; in sha256_ce_finup()
97 sctx->finalize = finalize; in sha256_ce_finup()
114 sctx->finalize = 0; in sha256_ce_final()
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Dsha2-ce-core.S1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * sha2-ce-core.S - core SHA-224/SHA-256 transform using v8 Crypto Extensions
12 .arch armv8-a+crypto
51 * The SHA-256 round constants
81 ld1 { v0.4s- v3.4s}, [x8], #64
82 ld1 { v4.4s- v7.4s}, [x8], #64
83 ld1 { v8.4s-v11.4s}, [x8], #64
84 ld1 {v12.4s-v15.4s}, [x8]
94 0: ld1 {v16.4s-v19.4s}, [x1], #64
/Linux-v5.15/Documentation/devicetree/bindings/crypto/
Dsamsung-slimsss.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/crypto/samsung-slimsss.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzk@kernel.org>
14 -- Feeder (FeedCtrl)
15 -- Advanced Encryption Standard (AES) with ECB,CBC,CTR,XTS and (CBC/XTS)/CTS
16 -- SHA-1/SHA-256 and (SHA-1/SHA-256)/HMAC
21 - const: samsung,exynos5433-slim-sss
30 clock-names:
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Dsamsung-sss.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/crypto/samsung-sss.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzk@kernel.org>
14 -- Feeder (FeedCtrl)
15 -- Advanced Encryption Standard (AES)
16 -- Data Encryption Standard (DES)/3DES
17 -- Public Key Accelerator (PKA)
18 -- SHA-1/SHA-256/MD5/HMAC (SHA-1/SHA-256/MD5)/PRNG
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/Linux-v5.15/Documentation/ABI/testing/
Ddebugfs-pfo-nx-crypto1 What: /sys/kernel/debug/nx-crypto/*
7 These debugfs interfaces are built by the nx-crypto driver, built in
18 The most recent non-zero return code from the H_COP_OP hcall. -EBUSY is not
19 recorded here (the hcall will retry until -EBUSY goes away).
36 The total number of bytes hashed by the hardware using SHA-256.
39 The total number of SHA-256 operations submitted to the hardware.
42 The total number of bytes hashed by the hardware using SHA-512.
45 The total number of SHA-512 operations submitted to the hardware.
/Linux-v5.15/crypto/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
140 bool "Disable run-time self tests"
143 Disable run-time self tests that normally take place at
147 bool "Enable extra run-time crypto self tests"
150 Enable extra run-time self tests of registered crypto algorithms,
216 comment "Public-key cryptography"
228 tristate "Diffie-Hellman algorithm"
232 Generic implementation of the Diffie-Hellman algorithm.
256 tristate "EC-RDSA (GOST 34.10) algorithm"
263 Elliptic Curve Russian Digital Signature Algorithm (GOST R 34.10-2012,
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Dsha256_generic.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (c) Jean-Luc Cooke <jlcooke@certainkey.com>
58 if (crypto_shash_digestsize(desc->tfm) == SHA224_DIGEST_SIZE) in crypto_sha256_final()
82 .cra_driver_name= "sha256-generic",
96 .cra_driver_name= "sha224-generic",
117 MODULE_DESCRIPTION("SHA-224 and SHA-256 Secure Hash Algorithm");
120 MODULE_ALIAS_CRYPTO("sha224-generic");
122 MODULE_ALIAS_CRYPTO("sha256-generic");
Dsha3_generic.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * SHA-3, as specified in
8 * SHA-3 code by Jeff Garzik <jeff@garzik.org>
19 * On some 32-bit architectures (h8300), GCC ends up using
21 * in keccakf(). On the other hand, on 64-bit architectures with plenty
22 * of [64-bit wide] general purpose registers, not inlining it severely
23 * hurts performance. So let's use 64-bitness as a heuristic to decide
164 unsigned int digest_size = crypto_shash_digestsize(desc->tfm); in crypto_sha3_init()
166 sctx->rsiz = 200 - 2 * digest_size; in crypto_sha3_init()
167 sctx->rsizw = sctx->rsiz / 8; in crypto_sha3_init()
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/Linux-v5.15/drivers/crypto/ccp/
Dccp-ops.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2013-2019 Advanced Micro Devices, Inc.
11 #include <linux/dma-mapping.h>
19 #include "ccp-dev.h"
21 /* SHA initial context values */
56 #define CCP_NEW_JOBID(ccp) ((ccp->vdata->version == CCP_VERSION(3, 0)) ? \
61 return atomic_inc_return(&ccp->current_id) & CCP_JOBID_MASK; in ccp_gen_jobid()
66 if (wa->dma_count) in ccp_sg_free()
67 dma_unmap_sg(wa->dma_dev, wa->dma_sg_head, wa->nents, wa->dma_dir); in ccp_sg_free()
69 wa->dma_count = 0; in ccp_sg_free()
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Dccp-dev.h1 /* SPDX-License-Identifier: GPL-2.0-only */
19 #include <linux/dma-direction.h>
27 #include "sp-dev.h"
63 /* ------------------------ CCP Version 5 Specifics ------------------------ */
103 #define QUEUE_SIZE_VAL ((ffs(COMMANDS_PER_QUEUE) - 2) & \
105 #define Q_PTR_MASK (2 << (QUEUE_SIZE_VAL + 5) - 1)
125 /* ------------------------ CCP Version 3 Specifics ------------------------ */
147 /* XTS-AES Related Values */
150 /* SHA Related Values */
156 /* Pass-Through Related Values */
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/Linux-v5.15/include/linux/
Dccp.h1 /* SPDX-License-Identifier: GPL-2.0-only */
27 * ccp_present - check if a CCP device is present
29 * Returns zero if a CCP device is present, -ENODEV otherwise.
34 #define CCP_VMASK ((unsigned int)((1 << CCP_VSIZE) - 1))
39 * ccp_version - get the version of the CCP
46 * ccp_enqueue_cmd - queue an operation for processing by the CCP
55 * result in a return code of -EBUSY.
61 * will be -EINPROGRESS. Any other "err" value during callback is
65 * the return code is -EINPROGRESS or
66 * the return code is -EBUSY and CCP_CMD_MAY_BACKLOG flag is set
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/Linux-v5.15/fs/verity/
Dfsverity_private.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * fs-verity: read-only file-based authenticity protection
15 #define pr_fmt(fmt) "fs-verity: " fmt
25 * it's enough for over U64_MAX bytes of data using SHA-256 and 4K blocks.
30 * Largest digest size among all hash algorithms supported by fs-verity.
35 /* A hash algorithm supported by fs-verity */
39 unsigned int digest_size; /* digest size in bytes, e.g. 32 for SHA-256 */
40 unsigned int block_size; /* block size in bytes, e.g. 64 for SHA-256 */
48 unsigned int digest_size; /* same as hash_alg->digest_size */
59 * to root level ('num_levels - 1')
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DKconfig1 # SPDX-License-Identifier: GPL-2.0
4 bool "FS Verity (read-only file-based authenticity protection)"
6 # SHA-256 is implied as it's intended to be the default hash algorithm.
11 # be omitted even if SHA-256 is being used.
14 This option enables fs-verity. fs-verity is the dm-verity
20 Merkle tree. The file is also made read-only.
29 fs-verity is especially useful on large files where not all
30 the contents may actually be needed. Also, fs-verity verifies
32 protection against malicious disks vs. an ahead-of-time hash.
40 Enable debugging messages related to fs-verity by default.
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/Linux-v5.15/Documentation/admin-guide/
Dmodule-signing.rst2 ------------------------------
6 .. - Overview.
7 .. - Configuring module signing.
8 .. - Generating signing keys.
9 .. - Public keys in the kernel.
10 .. - Manually signing modules.
11 .. - Signed modules and stripping.
12 .. - Loading signed modules.
13 .. - Non-valid signatures and unsigned modules.
14 .. - Administering/protecting the private key.
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/Linux-v5.15/arch/sparc/crypto/
Dsha256_glue.c1 // SPDX-License-Identifier: GPL-2.0-only
6 * Copyright (c) Jean-Luc Cooke <jlcooke@certainkey.com>
32 sctx->state[0] = SHA224_H0; in sha224_sparc64_init()
33 sctx->state[1] = SHA224_H1; in sha224_sparc64_init()
34 sctx->state[2] = SHA224_H2; in sha224_sparc64_init()
35 sctx->state[3] = SHA224_H3; in sha224_sparc64_init()
36 sctx->state[4] = SHA224_H4; in sha224_sparc64_init()
37 sctx->state[5] = SHA224_H5; in sha224_sparc64_init()
38 sctx->state[6] = SHA224_H6; in sha224_sparc64_init()
39 sctx->state[7] = SHA224_H7; in sha224_sparc64_init()
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/Linux-v5.15/arch/mips/cavium-octeon/crypto/
Docteon-sha256.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * SHA-224 and SHA-256 Secure Hash Algorithm.
11 * Copyright (c) Jean-Luc Cooke <jlcooke@certainkey.com>
26 #include "octeon-crypto.h"
29 * We pass everything as 64-bit. OCTEON can handle misaligned data.
34 u64 *hash = (u64 *)sctx->state; in octeon_sha256_store_hash()
44 u64 *hash = (u64 *)sctx->state; in octeon_sha256_read_hash()
70 sctx->state[0] = SHA224_H0; in octeon_sha224_init()
71 sctx->state[1] = SHA224_H1; in octeon_sha224_init()
72 sctx->state[2] = SHA224_H2; in octeon_sha224_init()
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/Linux-v5.15/arch/x86/crypto/
Dsha256_ni_asm.S2 * Intel SHA Extensions optimized implementation of a SHA-256 update function
79 * Intel SHA Extensions optimized implementation of a SHA-256 update function
89 * The non-indented lines are instructions related to the message schedule.
109 * DCBA, HGFE -> ABEF, CDGH
128 /* Rounds 0-3 */
137 /* Rounds 4-7 */
147 /* Rounds 8-11 */
157 /* Rounds 12-15 */
171 /* Rounds 16-19 */
183 /* Rounds 20-23 */
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/Linux-v5.15/drivers/crypto/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
39 called padlock-aes.
53 called padlock-sha.
61 Say 'Y' here to use the AMD Geode LX processor on-board AES
65 will be called geode-aes.
142 SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
152 SHA256 secure hash standard (DFIPS 180-2).
194 DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
206 AES cipher algorithms (FIPS-197).
213 key sizes and XTS mode is hardware accelerated for 256 and
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/Linux-v5.15/arch/powerpc/crypto/
Dsha256-spe-glue.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Glue code for SHA-256 implementation for SPE instructions (PPC)
56 do { *ptr++ = 0; } while (--count); in ppc_sha256_clear_context()
63 sctx->state[0] = SHA256_H0; in ppc_spe_sha256_init()
64 sctx->state[1] = SHA256_H1; in ppc_spe_sha256_init()
65 sctx->state[2] = SHA256_H2; in ppc_spe_sha256_init()
66 sctx->state[3] = SHA256_H3; in ppc_spe_sha256_init()
67 sctx->state[4] = SHA256_H4; in ppc_spe_sha256_init()
68 sctx->state[5] = SHA256_H5; in ppc_spe_sha256_init()
69 sctx->state[6] = SHA256_H6; in ppc_spe_sha256_init()
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/Linux-v5.15/net/netfilter/
Dnf_conntrack_proto_sctp.c1 // SPDX-License-Identifier: GPL-2.0-only
6 * Copyright (c) 2004-2012 Patrick McHardy <kaber@trash.net>
31 closely. They're more complex. --RR
33 And so for me for SCTP :D -Kiran */
76 #define sHA SCTP_CONNTRACK_HEARTBEAT_ACKED macro
85 point. Please note the subtleties. -Kiran
87 NONE - Nothing so far.
88 COOKIE WAIT - We have seen an INIT chunk in the original direction, or also
90 COOKIE ECHOED - We have seen a COOKIE_ECHO chunk in the original direction.
91 ESTABLISHED - We have seen a COOKIE_ACK in the reply direction.
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/Linux-v5.15/include/crypto/
Dsha3.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Common values for SHA-3 algorithms
9 #define SHA3_224_BLOCK_SIZE (200 - 2 * SHA3_224_DIGEST_SIZE)
11 #define SHA3_256_DIGEST_SIZE (256 / 8)
12 #define SHA3_256_BLOCK_SIZE (200 - 2 * SHA3_256_DIGEST_SIZE)
15 #define SHA3_384_BLOCK_SIZE (200 - 2 * SHA3_384_DIGEST_SIZE)
18 #define SHA3_512_BLOCK_SIZE (200 - 2 * SHA3_512_DIGEST_SIZE)
/Linux-v5.15/arch/s390/crypto/
Dprng.c1 // SPDX-License-Identifier: GPL-2.0
42 MODULE_PARM_DESC(prng_mode, "PRNG mode: 0 - auto, 1 - TDES, 2 - SHA512");
50 static unsigned int prng_chunk_size = 256;
68 * of course, in a state of sin. -- John von Neumann
120 * the random bytes given back is assumed to have at least 50% - meaning
121 * a 64 bytes buffer has at least 64 * 8 / 2 = 256 bits of entropy.
125 * invocation produces 0.5 bits of entropy. To accumulate 256 bits of entropy
156 return -ENOMEM; in generate_entropy()
165 int offset = (PAGE_SIZE / 2) + (n * 4) - 4; in generate_entropy()
175 nbytes -= n; in generate_entropy()
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