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/Linux-v6.6/drivers/crypto/ccp/
Dccp-crypto-aes-xts.c3 * AMD Cryptographic Coprocessor (CCP) AES XTS crypto API support
16 #include <crypto/xts.h>
29 .name = "xts(aes)",
30 .drv_name = "xts-aes-ccp",
170 rctx->cmd.u.xts.type = CCP_AES_TYPE_128; in ccp_aes_xts_crypt()
171 rctx->cmd.u.xts.action = (encrypt) ? CCP_AES_ACTION_ENCRYPT in ccp_aes_xts_crypt()
173 rctx->cmd.u.xts.unit_size = unit_size; in ccp_aes_xts_crypt()
174 rctx->cmd.u.xts.key = &ctx->u.aes.key_sg; in ccp_aes_xts_crypt()
175 rctx->cmd.u.xts.key_len = ctx->u.aes.key_len; in ccp_aes_xts_crypt()
176 rctx->cmd.u.xts.iv = &rctx->iv_sg; in ccp_aes_xts_crypt()
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Dccp-ops.c1092 struct ccp_xts_aes_engine *xts = &cmd->u.xts; in ccp_run_xts_aes_cmd() local
1102 switch (xts->unit_size) { in ccp_run_xts_aes_cmd()
1123 if (xts->key_len == AES_KEYSIZE_128) in ccp_run_xts_aes_cmd()
1125 else if (xts->key_len == AES_KEYSIZE_256) in ccp_run_xts_aes_cmd()
1130 if (!xts->final && (xts->src_len & (AES_BLOCK_SIZE - 1))) in ccp_run_xts_aes_cmd()
1133 if (xts->iv_len != AES_BLOCK_SIZE) in ccp_run_xts_aes_cmd()
1136 if (!xts->key || !xts->iv || !xts->src || !xts->dst) in ccp_run_xts_aes_cmd()
1149 op.u.xts.type = aestype; in ccp_run_xts_aes_cmd()
1150 op.u.xts.action = xts->action; in ccp_run_xts_aes_cmd()
1151 op.u.xts.unit_size = xts->unit_size; in ccp_run_xts_aes_cmd()
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/Linux-v6.6/arch/arm64/crypto/
DKconfig132 tristate "Ciphers: AES, modes: ECB, CBC, CTR, CTS, XCTR, XTS"
137 XCTR, and XTS modes
155 tristate "Ciphers: AES, modes: ECB/CBC/CTR/XTS (ARMv8 Crypto Extensions)"
165 - XTS (XOR Encrypt XOR with ciphertext stealing) mode (NIST SP800-38E
172 tristate "Ciphers: AES, modes: ECB/CBC/CTR/XTS (NEON)"
182 - XTS (XOR Encrypt XOR with ciphertext stealing) mode (NIST SP800-38E
202 tristate "Ciphers: AES, modes: ECB/CBC/CTR/XCTR/XTS modes (bit-sliced NEON)"
214 - XTS (XOR Encrypt XOR with ciphertext stealing) mode (NIST SP800-38E
234 tristate "Ciphers: SM4, modes: ECB/CBC/CFB/CTR/XTS (ARMv8 Crypto Extensions)"
245 - XTS (XOR Encrypt XOR with ciphertext stealing) mode (NIST SP800-38E
Daes-neonbs-glue.c15 #include <crypto/xts.h>
24 MODULE_ALIAS_CRYPTO("xts(aes)");
427 .base.cra_name = "xts(aes)",
428 .base.cra_driver_name = "xts-aes-neonbs",
/Linux-v6.6/arch/arm/crypto/
DKconfig167 tristate "Ciphers: AES, modes: ECB/CBC/CTR/XTS (bit-sliced NEON)"
180 - XTS (XOR Encrypt XOR with ciphertext stealing) mode (NIST SP800-38E
184 and for XTS mode encryption, CBC and XTS mode decryption speedup is
190 tristate "Ciphers: AES, modes: ECB/CBC/CTS/CTR/XTS (ARMv8 Crypto Extensions)"
202 - XTS (XOR Encrypt XOR with ciphertext stealing) mode (NIST SP800-38E
/Linux-v6.6/drivers/crypto/vmx/
Daes_xts.c3 * AES XTS routines supporting VMX In-core instructions on Power 8
15 #include <crypto/xts.h>
31 fallback = crypto_alloc_skcipher("xts(aes)", 0, in p8_aes_xts_init()
35 pr_err("Failed to allocate xts(aes) fallback: %ld\n", in p8_aes_xts_init()
147 .base.cra_name = "xts(aes)",
/Linux-v6.6/tools/testing/selftests/ptp/
Dtestptp.c164 struct ptp_sys_offset_precise *xts; in main() local
585 xts = calloc(1, sizeof(*xts)); in main()
586 if (!xts) { in main()
591 if (ioctl(fd, PTP_SYS_OFFSET_PRECISE, xts)) { in main()
597 xts->device.sec, xts->device.nsec); in main()
599 xts->sys_realtime.sec, xts->sys_realtime.nsec); in main()
601 xts->sys_monoraw.sec, xts->sys_monoraw.nsec); in main()
604 free(xts); in main()
/Linux-v6.6/arch/powerpc/crypto/
Daes-spe-regs.h14 #define rIP r8 /* potiner to IV (CBC/CTR/XTS modes) */
15 #define rKT r9 /* pointer to tweak key (XTS mode) */
34 #define rG0 r28 /* endian reversed tweak (XTS mode) */
Daes-spe-glue.c21 #include <crypto/xts.h>
30 * a single load and store unit (LSU). XTS-AES-256 takes ~780 operations per
474 .base.cra_name = "xts(aes)",
475 .base.cra_driver_name = "xts-ppc-spe",
515 MODULE_DESCRIPTION("AES-ECB/CBC/CTR/XTS, SPE optimized");
521 MODULE_ALIAS_CRYPTO("xts(aes)");
DKconfig76 tristate "Ciphers: AES, modes: ECB/CBC/CTR/XTS (SPE)"
81 Length-preserving ciphers: AES with ECB, CBC, CTR, and XTS modes
/Linux-v6.6/tools/perf/pmu-events/arch/s390/cf_z16/
Dpai_crypto.json97 "BriefDescription": "KM XTS AES 128",
98 "PublicDescription": "KM-XTS-AES-128 function ending with CC=0"
104 "BriefDescription": "KM XTS AES 256",
105 "PublicDescription": "KM-XTS-AES-256 function ending with CC=0"
111 "BriefDescription": "KM XTS ENCRYPTED AES 128",
112 "PublicDescription": "KM-XTS-Encrypted-AES-128 function ending with CC=0"
118 "BriefDescription": "KM XTS ENCRYPTED AES 256",
119 "PublicDescription": "KM-XTS-Encrypted-AES-256 function ending with CC=0"
811 "BriefDescription": "PCC COMPUTE XTS PARAMETER USING AES 128",
812 "PublicDescription": "PCC-Compute-XTS-Parameter-Using-AES-128 function ending with CC=0"
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/Linux-v6.6/Documentation/crypto/
Dapi-samples.rst7 This code encrypts some data with AES-256-XTS. For sake of example,
21 u8 iv[16]; /* AES-256-XTS takes a 16-byte IV */
22 u8 key[64]; /* AES-256-XTS takes a 64-byte key */
33 tfm = crypto_alloc_skcipher("xts(aes)", 0, 0);
35 pr_err("Error allocating xts(aes) handle: %ld\n", PTR_ERR(tfm));
/Linux-v6.6/crypto/
Dtcrypt.c1509 ret = min(ret, tcrypt_test("xts(twofish)")); in do_test()
1517 ret = min(ret, tcrypt_test("xts(serpent)")); in do_test()
1524 ret = min(ret, tcrypt_test("xts(aes)")); in do_test()
1555 ret = min(ret, tcrypt_test("xts(cast6)")); in do_test()
1612 ret = min(ret, tcrypt_test("xts(camellia)")); in do_test()
1850 ret = min(ret, tcrypt_test("xts(sm4)")); in do_test()
1871 test_cipher_speed("xts(aes)", ENCRYPT, sec, NULL, 0, in do_test()
1873 test_cipher_speed("xts(aes)", DECRYPT, sec, NULL, 0, in do_test()
1927 test_cipher_speed("xts(twofish)", ENCRYPT, sec, NULL, 0, in do_test()
1929 test_cipher_speed("xts(twofish)", DECRYPT, sec, NULL, 0, in do_test()
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Dxts.c2 /* XTS: as defined in IEEE1619/D16
20 #include <crypto/xts.h>
387 err = crypto_inst_setname(skcipher_crypto_instance(inst), "xts", in xts_create()
411 "xts(%s)", ctx->name) >= CRYPTO_MAX_ALG_NAME) { in xts_create()
447 .name = "xts",
466 MODULE_DESCRIPTION("XTS block cipher mode");
467 MODULE_ALIAS_CRYPTO("xts");
DKconfig609 AES-XTS.
613 bound. Unlike XTS, Adiantum is a true wide-block encryption
615 security than XTS, subject to the security bound.
773 tristate "XTS (XOR Encrypt XOR with ciphertext stealing)"
778 XTS (XOR Encrypt XOR with ciphertext stealing) mode (NIST SP800-38E
781 Use with aes-xts-plain, key size 256, 384 or 512 bits. This
897 the SoC in question has accelerated CBC but not XTS, making CBC
/Linux-v6.6/arch/s390/crypto/
DKconfig84 tristate "Ciphers: AES, modes: ECB, CBC, CTR, XTS, GCM"
91 Length-preserving ciphers: AES with ECB, CBC, XTS, and CTR modes
102 key sizes and XTS mode is hardware accelerated for 256 and
Daes_s390.c34 #include <crypto/xts.h>
410 /* Split the XTS key into the two subkeys */ in xts_aes_set_key()
430 u8 xts[16]; in xts_aes_crypt() member
456 memset(pcc_param.xts, 0, sizeof(pcc_param.xts)); in xts_aes_crypt()
462 memcpy(xts_param.init, pcc_param.xts, 16); in xts_aes_crypt()
495 pr_err("Allocating XTS fallback algorithm %s failed\n", in xts_fallback_init()
512 .base.cra_name = "xts(aes)",
513 .base.cra_driver_name = "xts-aes-s390",
Dpaes_s390.c27 #include <crypto/xts.h>
505 u8 xts[16]; in xts_paes_crypt() member
526 memcpy(xts_param.init, pcc_param.xts, 16); in xts_paes_crypt()
559 .base.cra_name = "xts(paes)",
560 .base.cra_driver_name = "xts-paes-s390",
/Linux-v6.6/include/linux/
Dccp.h193 /***** XTS-AES engine *****/
195 * ccp_xts_aes_unit_size - XTS unit size
213 * struct ccp_xts_aes_engine - CCP XTS AES operation
215 * @unit_size: unit size of the XTS operation
216 * @key: key to be used for this XTS AES operation
218 * @iv: IV to be used for this XTS AES operation
223 * @final: indicates final XTS operation
595 * @CCP_ENGINE_XTS_AES: 128-bit XTS AES operation
653 struct ccp_xts_aes_engine xts; member
/Linux-v6.6/Documentation/admin-guide/device-mapper/
Ddm-crypt.rst26 aes-xts-plain64
27 serpent-xts-plain64
41 capi:xts(aes)-plain64
46 capi:authenc(hmac(sha256),xts(aes))-random
/Linux-v6.6/Documentation/devicetree/bindings/crypto/
Dsamsung-slimsss.yaml15 -- Advanced Encryption Standard (AES) with ECB,CBC,CTR,XTS and (CBC/XTS)/CTS
/Linux-v6.6/drivers/crypto/qce/
Dskcipher.c183 * AES XTS key1 = key2 not supported by crypto engine. in qce_skcipher_setkey()
285 * AES-XTS request with len <= 512 byte (not recommended to use CE) in qce_skcipher_crypt()
286 * AES-XTS request with len > QCE_SECTOR_SIZE and in qce_skcipher_crypt()
391 .name = "xts(aes)",
392 .drv_name = "xts-aes-qce",
/Linux-v6.6/block/
Dblk-crypto.c23 .name = "AES-256-XTS",
24 .cipher_str = "xts(aes)",
41 .name = "SM4-XTS",
42 .cipher_str = "xts(sm4)",
/Linux-v6.6/Documentation/filesystems/
Dfscrypt.rst183 policy and AES-256-XTS is used; such keys must be 64 bytes.
266 is greater than that of an AES-256-XTS key.
341 - AES-256-XTS for contents and AES-256-CTS-CBC for filenames
342 - AES-256-XTS for contents and AES-256-HCTR2 for filenames
345 - SM4-XTS for contents and SM4-CTS-CBC for filenames
349 contents encryption uses a block cipher in `XTS mode
350 <https://en.wikipedia.org/wiki/Disk_encryption_theory#XTS>`_ or
358 The (AES-256-XTS, AES-256-CTS-CBC) pair is the recommended default.
362 The (AES-256-XTS, AES-256-HCTR2) pair is also a good choice that
380 accelerator such as CAAM or CESA that does not support XTS.
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/Linux-v6.6/fs/crypto/
Dhkdf.c24 * common case of deriving an AES-256-XTS key (512 bits), that can result in
40 * length HKDF_HASHLEN bytes. However, cipher modes other than AES-256-XTS take

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