1# SPDX-License-Identifier: GPL-2.0-only 2 3menuconfig CRYPTO_HW 4 bool "Hardware crypto devices" 5 default y 6 help 7 Say Y here to get to see options for hardware crypto devices and 8 processors. This option alone does not add any kernel code. 9 10 If you say N, all options in this submenu will be skipped and disabled. 11 12if CRYPTO_HW 13 14source "drivers/crypto/allwinner/Kconfig" 15 16config CRYPTO_DEV_PADLOCK 17 tristate "Support for VIA PadLock ACE" 18 depends on X86 && !UML 19 help 20 Some VIA processors come with an integrated crypto engine 21 (so called VIA PadLock ACE, Advanced Cryptography Engine) 22 that provides instructions for very fast cryptographic 23 operations with supported algorithms. 24 25 The instructions are used only when the CPU supports them. 26 Otherwise software encryption is used. 27 28config CRYPTO_DEV_PADLOCK_AES 29 tristate "PadLock driver for AES algorithm" 30 depends on CRYPTO_DEV_PADLOCK 31 select CRYPTO_SKCIPHER 32 select CRYPTO_LIB_AES 33 help 34 Use VIA PadLock for AES algorithm. 35 36 Available in VIA C3 and newer CPUs. 37 38 If unsure say M. The compiled module will be 39 called padlock-aes. 40 41config CRYPTO_DEV_PADLOCK_SHA 42 tristate "PadLock driver for SHA1 and SHA256 algorithms" 43 depends on CRYPTO_DEV_PADLOCK 44 select CRYPTO_HASH 45 select CRYPTO_SHA1 46 select CRYPTO_SHA256 47 help 48 Use VIA PadLock for SHA1/SHA256 algorithms. 49 50 Available in VIA C7 and newer processors. 51 52 If unsure say M. The compiled module will be 53 called padlock-sha. 54 55config CRYPTO_DEV_GEODE 56 tristate "Support for the Geode LX AES engine" 57 depends on X86_32 && PCI 58 select CRYPTO_ALGAPI 59 select CRYPTO_SKCIPHER 60 help 61 Say 'Y' here to use the AMD Geode LX processor on-board AES 62 engine for the CryptoAPI AES algorithm. 63 64 To compile this driver as a module, choose M here: the module 65 will be called geode-aes. 66 67config ZCRYPT 68 tristate "Support for s390 cryptographic adapters" 69 depends on S390 70 depends on AP 71 select HW_RANDOM 72 help 73 Select this option if you want to enable support for 74 s390 cryptographic adapters like Crypto Express 4 up 75 to 8 in Coprocessor (CEXxC), EP11 Coprocessor (CEXxP) 76 or Accelerator (CEXxA) mode. 77 78config PKEY 79 tristate "Kernel API for protected key handling" 80 depends on S390 81 help 82 With this option enabled the pkey kernel modules provide an API 83 for creation and handling of protected keys. Other parts of the 84 kernel or userspace applications may use these functions. 85 86 The protected key support is distributed into: 87 - A pkey base and API kernel module (pkey.ko) which offers the 88 infrastructure for the pkey handler kernel modules, the ioctl 89 and the sysfs API and the in-kernel API to the crypto cipher 90 implementations using protected key. 91 - A pkey pckmo kernel module (pkey-pckmo.ko) which is automatically 92 loaded when pckmo support (that is generation of protected keys 93 from clear key values) is available. 94 - A pkey CCA kernel module (pkey-cca.ko) which is automatically 95 loaded when a CEX crypto card is available. 96 - A pkey EP11 kernel module (pkey-ep11.ko) which is automatically 97 loaded when a CEX crypto card is available. 98 99 Select this option if you want to enable the kernel and userspace 100 API for protected key handling. 101 102config PKEY_CCA 103 tristate "PKEY CCA support handler" 104 depends on PKEY 105 depends on ZCRYPT 106 help 107 This is the CCA support handler for deriving protected keys 108 from CCA (secure) keys. Also this handler provides an alternate 109 way to make protected keys from clear key values. 110 111 The PKEY CCA support handler needs a Crypto Express card (CEX) 112 in CCA mode. 113 114 If you have selected the PKEY option then you should also enable 115 this option unless you are sure you never need to derive protected 116 keys from CCA key material. 117 118config PKEY_EP11 119 tristate "PKEY EP11 support handler" 120 depends on PKEY 121 depends on ZCRYPT 122 help 123 This is the EP11 support handler for deriving protected keys 124 from EP11 (secure) keys. Also this handler provides an alternate 125 way to make protected keys from clear key values. 126 127 The PKEY EP11 support handler needs a Crypto Express card (CEX) 128 in EP11 mode. 129 130 If you have selected the PKEY option then you should also enable 131 this option unless you are sure you never need to derive protected 132 keys from EP11 key material. 133 134config PKEY_PCKMO 135 tristate "PKEY PCKMO support handler" 136 depends on PKEY 137 help 138 This is the PCKMO support handler for deriving protected keys 139 from clear key values via invoking the PCKMO instruction. 140 141 The PCKMO instruction can be enabled and disabled in the crypto 142 settings at the LPAR profile. This handler checks for availability 143 during initialization and if build as a kernel module unloads 144 itself if PCKMO is disabled. 145 146 The PCKMO way of deriving protected keys from clear key material 147 is especially used during self test of protected key ciphers like 148 PAES but the CCA and EP11 handler provide alternate ways to 149 generate protected keys from clear key values. 150 151 If you have selected the PKEY option then you should also enable 152 this option unless you are sure you never need to derive protected 153 keys from clear key values directly via PCKMO. 154 155config CRYPTO_PAES_S390 156 tristate "PAES cipher algorithms" 157 depends on S390 158 depends on ZCRYPT 159 depends on PKEY 160 select CRYPTO_ALGAPI 161 select CRYPTO_SKCIPHER 162 help 163 This is the s390 hardware accelerated implementation of the 164 AES cipher algorithms for use with protected key. 165 166 Select this option if you want to use the paes cipher 167 for example to use protected key encrypted devices. 168 169config S390_PRNG 170 tristate "Pseudo random number generator device driver" 171 depends on S390 172 default "m" 173 help 174 Select this option if you want to use the s390 pseudo random number 175 generator. The PRNG is part of the cryptographic processor functions 176 and uses triple-DES to generate secure random numbers like the 177 ANSI X9.17 standard. User-space programs access the 178 pseudo-random-number device through the char device /dev/prandom. 179 180 It is available as of z9. 181 182config CRYPTO_DEV_NIAGARA2 183 tristate "Niagara2 Stream Processing Unit driver" 184 select CRYPTO_LIB_DES 185 select CRYPTO_SKCIPHER 186 select CRYPTO_HASH 187 select CRYPTO_MD5 188 select CRYPTO_SHA1 189 select CRYPTO_SHA256 190 depends on SPARC64 191 help 192 Each core of a Niagara2 processor contains a Stream 193 Processing Unit, which itself contains several cryptographic 194 sub-units. One set provides the Modular Arithmetic Unit, 195 used for SSL offload. The other set provides the Cipher 196 Group, which can perform encryption, decryption, hashing, 197 checksumming, and raw copies. 198 199config CRYPTO_DEV_SL3516 200 tristate "Storlink SL3516 crypto offloader" 201 depends on ARCH_GEMINI || COMPILE_TEST 202 depends on HAS_IOMEM && PM 203 select CRYPTO_SKCIPHER 204 select CRYPTO_ENGINE 205 select CRYPTO_ECB 206 select CRYPTO_AES 207 select HW_RANDOM 208 help 209 This option allows you to have support for SL3516 crypto offloader. 210 211config CRYPTO_DEV_SL3516_DEBUG 212 bool "Enable SL3516 stats" 213 depends on CRYPTO_DEV_SL3516 214 depends on DEBUG_FS 215 help 216 Say y to enable SL3516 debug stats. 217 This will create /sys/kernel/debug/sl3516/stats for displaying 218 the number of requests per algorithm and other internal stats. 219 220config CRYPTO_DEV_HIFN_795X 221 tristate "Driver HIFN 795x crypto accelerator chips" 222 select CRYPTO_LIB_DES 223 select CRYPTO_SKCIPHER 224 select HW_RANDOM if CRYPTO_DEV_HIFN_795X_RNG 225 depends on PCI 226 depends on !ARCH_DMA_ADDR_T_64BIT 227 help 228 This option allows you to have support for HIFN 795x crypto adapters. 229 230config CRYPTO_DEV_HIFN_795X_RNG 231 bool "HIFN 795x random number generator" 232 depends on CRYPTO_DEV_HIFN_795X 233 help 234 Select this option if you want to enable the random number generator 235 on the HIFN 795x crypto adapters. 236 237source "drivers/crypto/caam/Kconfig" 238 239config CRYPTO_DEV_TALITOS 240 tristate "Talitos Freescale Security Engine (SEC)" 241 select CRYPTO_AEAD 242 select CRYPTO_AUTHENC 243 select CRYPTO_SKCIPHER 244 select CRYPTO_HASH 245 select CRYPTO_LIB_DES 246 select HW_RANDOM 247 depends on FSL_SOC 248 help 249 Say 'Y' here to use the Freescale Security Engine (SEC) 250 to offload cryptographic algorithm computation. 251 252 The Freescale SEC is present on PowerQUICC 'E' processors, such 253 as the MPC8349E and MPC8548E. 254 255 To compile this driver as a module, choose M here: the module 256 will be called talitos. 257 258config CRYPTO_DEV_TALITOS1 259 bool "SEC1 (SEC 1.0 and SEC Lite 1.2)" 260 depends on CRYPTO_DEV_TALITOS 261 depends on PPC_8xx || PPC_82xx 262 default y 263 help 264 Say 'Y' here to use the Freescale Security Engine (SEC) version 1.0 265 found on MPC82xx or the Freescale Security Engine (SEC Lite) 266 version 1.2 found on MPC8xx 267 268config CRYPTO_DEV_TALITOS2 269 bool "SEC2+ (SEC version 2.0 or upper)" 270 depends on CRYPTO_DEV_TALITOS 271 default y if !PPC_8xx 272 help 273 Say 'Y' here to use the Freescale Security Engine (SEC) 274 version 2 and following as found on MPC83xx, MPC85xx, etc ... 275 276config CRYPTO_DEV_PPC4XX 277 tristate "Driver AMCC PPC4xx crypto accelerator" 278 depends on PPC && 4xx 279 select CRYPTO_HASH 280 select CRYPTO_AEAD 281 select CRYPTO_AES 282 select CRYPTO_LIB_AES 283 select CRYPTO_CCM 284 select CRYPTO_CTR 285 select CRYPTO_GCM 286 select CRYPTO_SKCIPHER 287 help 288 This option allows you to have support for AMCC crypto acceleration. 289 290config HW_RANDOM_PPC4XX 291 bool "PowerPC 4xx generic true random number generator support" 292 depends on CRYPTO_DEV_PPC4XX && HW_RANDOM=y 293 default y 294 help 295 This option provides the kernel-side support for the TRNG hardware 296 found in the security function of some PowerPC 4xx SoCs. 297 298config CRYPTO_DEV_OMAP 299 tristate "Support for OMAP crypto HW accelerators" 300 depends on ARCH_OMAP2PLUS 301 help 302 OMAP processors have various crypto HW accelerators. Select this if 303 you want to use the OMAP modules for any of the crypto algorithms. 304 305if CRYPTO_DEV_OMAP 306 307config CRYPTO_DEV_OMAP_SHAM 308 tristate "Support for OMAP MD5/SHA1/SHA2 hw accelerator" 309 depends on ARCH_OMAP2PLUS 310 select CRYPTO_ENGINE 311 select CRYPTO_SHA1 312 select CRYPTO_MD5 313 select CRYPTO_SHA256 314 select CRYPTO_SHA512 315 select CRYPTO_HMAC 316 help 317 OMAP processors have MD5/SHA1/SHA2 hw accelerator. Select this if you 318 want to use the OMAP module for MD5/SHA1/SHA2 algorithms. 319 320config CRYPTO_DEV_OMAP_AES 321 tristate "Support for OMAP AES hw engine" 322 depends on ARCH_OMAP2 || ARCH_OMAP3 || ARCH_OMAP2PLUS 323 select CRYPTO_AES 324 select CRYPTO_SKCIPHER 325 select CRYPTO_ENGINE 326 select CRYPTO_CBC 327 select CRYPTO_ECB 328 select CRYPTO_CTR 329 select CRYPTO_AEAD 330 help 331 OMAP processors have AES module accelerator. Select this if you 332 want to use the OMAP module for AES algorithms. 333 334config CRYPTO_DEV_OMAP_DES 335 tristate "Support for OMAP DES/3DES hw engine" 336 depends on ARCH_OMAP2PLUS 337 select CRYPTO_LIB_DES 338 select CRYPTO_SKCIPHER 339 select CRYPTO_ENGINE 340 help 341 OMAP processors have DES/3DES module accelerator. Select this if you 342 want to use the OMAP module for DES and 3DES algorithms. Currently 343 the ECB and CBC modes of operation are supported by the driver. Also 344 accesses made on unaligned boundaries are supported. 345 346endif # CRYPTO_DEV_OMAP 347 348config CRYPTO_DEV_SAHARA 349 tristate "Support for SAHARA crypto accelerator" 350 depends on ARCH_MXC && OF 351 select CRYPTO_SKCIPHER 352 select CRYPTO_AES 353 select CRYPTO_ECB 354 select CRYPTO_ENGINE 355 help 356 This option enables support for the SAHARA HW crypto accelerator 357 found in some Freescale i.MX chips. 358 359config CRYPTO_DEV_EXYNOS_RNG 360 tristate "Exynos HW pseudo random number generator support" 361 depends on ARCH_EXYNOS || COMPILE_TEST 362 depends on HAS_IOMEM 363 select CRYPTO_RNG 364 help 365 This driver provides kernel-side support through the 366 cryptographic API for the pseudo random number generator hardware 367 found on Exynos SoCs. 368 369 To compile this driver as a module, choose M here: the 370 module will be called exynos-rng. 371 372 If unsure, say Y. 373 374config CRYPTO_DEV_S5P 375 tristate "Support for Samsung S5PV210/Exynos crypto accelerator" 376 depends on ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST 377 depends on HAS_IOMEM 378 select CRYPTO_AES 379 select CRYPTO_SKCIPHER 380 help 381 This option allows you to have support for S5P crypto acceleration. 382 Select this to offload Samsung S5PV210 or S5PC110, Exynos from AES 383 algorithms execution. 384 385config CRYPTO_DEV_EXYNOS_HASH 386 bool "Support for Samsung Exynos HASH accelerator" 387 depends on CRYPTO_DEV_S5P 388 depends on !CRYPTO_DEV_EXYNOS_RNG && CRYPTO_DEV_EXYNOS_RNG!=m 389 select CRYPTO_SHA1 390 select CRYPTO_MD5 391 select CRYPTO_SHA256 392 help 393 Select this to offload Exynos from HASH MD5/SHA1/SHA256. 394 This will select software SHA1, MD5 and SHA256 as they are 395 needed for small and zero-size messages. 396 HASH algorithms will be disabled if EXYNOS_RNG 397 is enabled due to hw conflict. 398 399config CRYPTO_DEV_NX 400 bool "Support for IBM PowerPC Nest (NX) cryptographic acceleration" 401 depends on PPC64 402 help 403 This enables support for the NX hardware cryptographic accelerator 404 coprocessor that is in IBM PowerPC P7+ or later processors. This 405 does not actually enable any drivers, it only allows you to select 406 which acceleration type (encryption and/or compression) to enable. 407 408if CRYPTO_DEV_NX 409 source "drivers/crypto/nx/Kconfig" 410endif 411 412config CRYPTO_DEV_ATMEL_AUTHENC 413 bool "Support for Atmel IPSEC/SSL hw accelerator" 414 depends on ARCH_AT91 || COMPILE_TEST 415 depends on CRYPTO_DEV_ATMEL_AES 416 help 417 Some Atmel processors can combine the AES and SHA hw accelerators 418 to enhance support of IPSEC/SSL. 419 Select this if you want to use the Atmel modules for 420 authenc(hmac(shaX),Y(cbc)) algorithms. 421 422config CRYPTO_DEV_ATMEL_AES 423 tristate "Support for Atmel AES hw accelerator" 424 depends on ARCH_AT91 || COMPILE_TEST 425 select CRYPTO_AES 426 select CRYPTO_AEAD 427 select CRYPTO_SKCIPHER 428 select CRYPTO_AUTHENC if CRYPTO_DEV_ATMEL_AUTHENC 429 select CRYPTO_DEV_ATMEL_SHA if CRYPTO_DEV_ATMEL_AUTHENC 430 help 431 Some Atmel processors have AES hw accelerator. 432 Select this if you want to use the Atmel module for 433 AES algorithms. 434 435 To compile this driver as a module, choose M here: the module 436 will be called atmel-aes. 437 438config CRYPTO_DEV_ATMEL_TDES 439 tristate "Support for Atmel DES/TDES hw accelerator" 440 depends on ARCH_AT91 || COMPILE_TEST 441 select CRYPTO_LIB_DES 442 select CRYPTO_SKCIPHER 443 help 444 Some Atmel processors have DES/TDES hw accelerator. 445 Select this if you want to use the Atmel module for 446 DES/TDES algorithms. 447 448 To compile this driver as a module, choose M here: the module 449 will be called atmel-tdes. 450 451config CRYPTO_DEV_ATMEL_SHA 452 tristate "Support for Atmel SHA hw accelerator" 453 depends on ARCH_AT91 || COMPILE_TEST 454 select CRYPTO_HASH 455 help 456 Some Atmel processors have SHA1/SHA224/SHA256/SHA384/SHA512 457 hw accelerator. 458 Select this if you want to use the Atmel module for 459 SHA1/SHA224/SHA256/SHA384/SHA512 algorithms. 460 461 To compile this driver as a module, choose M here: the module 462 will be called atmel-sha. 463 464config CRYPTO_DEV_ATMEL_I2C 465 tristate 466 select BITREVERSE 467 468config CRYPTO_DEV_ATMEL_ECC 469 tristate "Support for Microchip / Atmel ECC hw accelerator" 470 depends on I2C 471 select CRYPTO_DEV_ATMEL_I2C 472 select CRYPTO_ECDH 473 select CRC16 474 help 475 Microhip / Atmel ECC hw accelerator. 476 Select this if you want to use the Microchip / Atmel module for 477 ECDH algorithm. 478 479 To compile this driver as a module, choose M here: the module 480 will be called atmel-ecc. 481 482config CRYPTO_DEV_ATMEL_SHA204A 483 tristate "Support for Microchip / Atmel SHA accelerator and RNG" 484 depends on I2C 485 select CRYPTO_DEV_ATMEL_I2C 486 select HW_RANDOM 487 select CRC16 488 help 489 Microhip / Atmel SHA accelerator and RNG. 490 Select this if you want to use the Microchip / Atmel SHA204A 491 module as a random number generator. (Other functions of the 492 chip are currently not exposed by this driver) 493 494 To compile this driver as a module, choose M here: the module 495 will be called atmel-sha204a. 496 497config CRYPTO_DEV_CCP 498 bool "Support for AMD Secure Processor" 499 depends on ((X86 && PCI) || (ARM64 && (OF_ADDRESS || ACPI))) && HAS_IOMEM 500 help 501 The AMD Secure Processor provides support for the Cryptographic Coprocessor 502 (CCP) and the Platform Security Processor (PSP) devices. 503 504if CRYPTO_DEV_CCP 505 source "drivers/crypto/ccp/Kconfig" 506endif 507 508config CRYPTO_DEV_MXS_DCP 509 tristate "Support for Freescale MXS DCP" 510 depends on (ARCH_MXS || ARCH_MXC) 511 select STMP_DEVICE 512 select CRYPTO_CBC 513 select CRYPTO_ECB 514 select CRYPTO_AES 515 select CRYPTO_SKCIPHER 516 select CRYPTO_HASH 517 help 518 The Freescale i.MX23/i.MX28 has SHA1/SHA256 and AES128 CBC/ECB 519 co-processor on the die. 520 521 To compile this driver as a module, choose M here: the module 522 will be called mxs-dcp. 523 524source "drivers/crypto/cavium/cpt/Kconfig" 525source "drivers/crypto/cavium/nitrox/Kconfig" 526source "drivers/crypto/marvell/Kconfig" 527source "drivers/crypto/intel/Kconfig" 528 529config CRYPTO_DEV_CAVIUM_ZIP 530 tristate "Cavium ZIP driver" 531 depends on PCI && 64BIT && (ARM64 || COMPILE_TEST) 532 help 533 Select this option if you want to enable compression/decompression 534 acceleration on Cavium's ARM based SoCs 535 536config CRYPTO_DEV_QCE 537 tristate "Qualcomm crypto engine accelerator" 538 depends on ARCH_QCOM || COMPILE_TEST 539 depends on HAS_IOMEM 540 help 541 This driver supports Qualcomm crypto engine accelerator 542 hardware. To compile this driver as a module, choose M here. The 543 module will be called qcrypto. 544 545config CRYPTO_DEV_QCE_SKCIPHER 546 bool 547 depends on CRYPTO_DEV_QCE 548 select CRYPTO_AES 549 select CRYPTO_LIB_DES 550 select CRYPTO_ECB 551 select CRYPTO_CBC 552 select CRYPTO_XTS 553 select CRYPTO_CTR 554 select CRYPTO_SKCIPHER 555 556config CRYPTO_DEV_QCE_SHA 557 bool 558 depends on CRYPTO_DEV_QCE 559 select CRYPTO_SHA1 560 select CRYPTO_SHA256 561 562config CRYPTO_DEV_QCE_AEAD 563 bool 564 depends on CRYPTO_DEV_QCE 565 select CRYPTO_AUTHENC 566 select CRYPTO_LIB_DES 567 568choice 569 prompt "Algorithms enabled for QCE acceleration" 570 default CRYPTO_DEV_QCE_ENABLE_ALL 571 depends on CRYPTO_DEV_QCE 572 help 573 This option allows to choose whether to build support for all algorithms 574 (default), hashes-only, or skciphers-only. 575 576 The QCE engine does not appear to scale as well as the CPU to handle 577 multiple crypto requests. While the ipq40xx chips have 4-core CPUs, the 578 QCE handles only 2 requests in parallel. 579 580 Ipsec throughput seems to improve when disabling either family of 581 algorithms, sharing the load with the CPU. Enabling skciphers-only 582 appears to work best. 583 584 config CRYPTO_DEV_QCE_ENABLE_ALL 585 bool "All supported algorithms" 586 select CRYPTO_DEV_QCE_SKCIPHER 587 select CRYPTO_DEV_QCE_SHA 588 select CRYPTO_DEV_QCE_AEAD 589 help 590 Enable all supported algorithms: 591 - AES (CBC, CTR, ECB, XTS) 592 - 3DES (CBC, ECB) 593 - DES (CBC, ECB) 594 - SHA1, HMAC-SHA1 595 - SHA256, HMAC-SHA256 596 597 config CRYPTO_DEV_QCE_ENABLE_SKCIPHER 598 bool "Symmetric-key ciphers only" 599 select CRYPTO_DEV_QCE_SKCIPHER 600 help 601 Enable symmetric-key ciphers only: 602 - AES (CBC, CTR, ECB, XTS) 603 - 3DES (ECB, CBC) 604 - DES (ECB, CBC) 605 606 config CRYPTO_DEV_QCE_ENABLE_SHA 607 bool "Hash/HMAC only" 608 select CRYPTO_DEV_QCE_SHA 609 help 610 Enable hashes/HMAC algorithms only: 611 - SHA1, HMAC-SHA1 612 - SHA256, HMAC-SHA256 613 614 config CRYPTO_DEV_QCE_ENABLE_AEAD 615 bool "AEAD algorithms only" 616 select CRYPTO_DEV_QCE_AEAD 617 help 618 Enable AEAD algorithms only: 619 - authenc() 620 - ccm(aes) 621 - rfc4309(ccm(aes)) 622endchoice 623 624config CRYPTO_DEV_QCE_SW_MAX_LEN 625 int "Default maximum request size to use software for AES" 626 depends on CRYPTO_DEV_QCE && CRYPTO_DEV_QCE_SKCIPHER 627 default 512 628 help 629 This sets the default maximum request size to perform AES requests 630 using software instead of the crypto engine. It can be changed by 631 setting the aes_sw_max_len parameter. 632 633 Small blocks are processed faster in software than hardware. 634 Considering the 256-bit ciphers, software is 2-3 times faster than 635 qce at 256-bytes, 30% faster at 512, and about even at 768-bytes. 636 With 128-bit keys, the break-even point would be around 1024-bytes. 637 638 The default is set a little lower, to 512 bytes, to balance the 639 cost in CPU usage. The minimum recommended setting is 16-bytes 640 (1 AES block), since AES-GCM will fail if you set it lower. 641 Setting this to zero will send all requests to the hardware. 642 643 Note that 192-bit keys are not supported by the hardware and are 644 always processed by the software fallback, and all DES requests 645 are done by the hardware. 646 647config CRYPTO_DEV_QCOM_RNG 648 tristate "Qualcomm Random Number Generator Driver" 649 depends on ARCH_QCOM || COMPILE_TEST 650 depends on HW_RANDOM 651 select CRYPTO_RNG 652 help 653 This driver provides support for the Random Number 654 Generator hardware found on Qualcomm SoCs. 655 656 To compile this driver as a module, choose M here. The 657 module will be called qcom-rng. If unsure, say N. 658 659#config CRYPTO_DEV_VMX 660# bool "Support for VMX cryptographic acceleration instructions" 661# depends on PPC64 && VSX 662# help 663# Support for VMX cryptographic acceleration instructions. 664# 665#source "drivers/crypto/vmx/Kconfig" 666 667config CRYPTO_DEV_IMGTEC_HASH 668 tristate "Imagination Technologies hardware hash accelerator" 669 depends on MIPS || COMPILE_TEST 670 select CRYPTO_MD5 671 select CRYPTO_SHA1 672 select CRYPTO_SHA256 673 select CRYPTO_HASH 674 help 675 This driver interfaces with the Imagination Technologies 676 hardware hash accelerator. Supporting MD5/SHA1/SHA224/SHA256 677 hashing algorithms. 678 679config CRYPTO_DEV_ROCKCHIP 680 tristate "Rockchip's Cryptographic Engine driver" 681 depends on OF && ARCH_ROCKCHIP 682 depends on PM 683 select CRYPTO_ECB 684 select CRYPTO_CBC 685 select CRYPTO_DES 686 select CRYPTO_AES 687 select CRYPTO_ENGINE 688 select CRYPTO_LIB_DES 689 select CRYPTO_MD5 690 select CRYPTO_SHA1 691 select CRYPTO_SHA256 692 select CRYPTO_HASH 693 select CRYPTO_SKCIPHER 694 695 help 696 This driver interfaces with the hardware crypto accelerator. 697 Supporting cbc/ecb chainmode, and aes/des/des3_ede cipher mode. 698 699config CRYPTO_DEV_ROCKCHIP_DEBUG 700 bool "Enable Rockchip crypto stats" 701 depends on CRYPTO_DEV_ROCKCHIP 702 depends on DEBUG_FS 703 help 704 Say y to enable Rockchip crypto debug stats. 705 This will create /sys/kernel/debug/rk3288_crypto/stats for displaying 706 the number of requests per algorithm and other internal stats. 707 708config CRYPTO_DEV_TEGRA 709 tristate "Enable Tegra Security Engine" 710 depends on TEGRA_HOST1X 711 select CRYPTO_ENGINE 712 713 help 714 Select this to enable Tegra Security Engine which accelerates various 715 AES encryption/decryption and HASH algorithms. 716 717config CRYPTO_DEV_ZYNQMP_AES 718 tristate "Support for Xilinx ZynqMP AES hw accelerator" 719 depends on ZYNQMP_FIRMWARE || COMPILE_TEST 720 select CRYPTO_AES 721 select CRYPTO_ENGINE 722 select CRYPTO_AEAD 723 help 724 Xilinx ZynqMP has AES-GCM engine used for symmetric key 725 encryption and decryption. This driver interfaces with AES hw 726 accelerator. Select this if you want to use the ZynqMP module 727 for AES algorithms. 728 729config CRYPTO_DEV_ZYNQMP_SHA3 730 tristate "Support for Xilinx ZynqMP SHA3 hardware accelerator" 731 depends on ZYNQMP_FIRMWARE || COMPILE_TEST 732 select CRYPTO_SHA3 733 help 734 Xilinx ZynqMP has SHA3 engine used for secure hash calculation. 735 This driver interfaces with SHA3 hardware engine. 736 Select this if you want to use the ZynqMP module 737 for SHA3 hash computation. 738 739source "drivers/crypto/chelsio/Kconfig" 740 741source "drivers/crypto/virtio/Kconfig" 742 743config CRYPTO_DEV_BCM_SPU 744 tristate "Broadcom symmetric crypto/hash acceleration support" 745 depends on ARCH_BCM_IPROC 746 depends on MAILBOX 747 default m 748 select CRYPTO_AUTHENC 749 select CRYPTO_LIB_DES 750 select CRYPTO_MD5 751 select CRYPTO_SHA1 752 select CRYPTO_SHA256 753 select CRYPTO_SHA512 754 help 755 This driver provides support for Broadcom crypto acceleration using the 756 Secure Processing Unit (SPU). The SPU driver registers skcipher, 757 ahash, and aead algorithms with the kernel cryptographic API. 758 759source "drivers/crypto/stm32/Kconfig" 760 761config CRYPTO_DEV_SAFEXCEL 762 tristate "Inside Secure's SafeXcel cryptographic engine driver" 763 depends on (OF || PCI || COMPILE_TEST) && HAS_IOMEM 764 select CRYPTO_LIB_AES 765 select CRYPTO_AUTHENC 766 select CRYPTO_SKCIPHER 767 select CRYPTO_LIB_DES 768 select CRYPTO_HASH 769 select CRYPTO_HMAC 770 select CRYPTO_MD5 771 select CRYPTO_SHA1 772 select CRYPTO_SHA256 773 select CRYPTO_SHA512 774 select CRYPTO_CHACHA20POLY1305 775 select CRYPTO_SHA3 776 help 777 This driver interfaces with the SafeXcel EIP-97 and EIP-197 cryptographic 778 engines designed by Inside Secure. It currently accelerates DES, 3DES and 779 AES block ciphers in ECB and CBC mode, as well as SHA1, SHA224, SHA256, 780 SHA384 and SHA512 hash algorithms for both basic hash and HMAC. 781 Additionally, it accelerates combined AES-CBC/HMAC-SHA AEAD operations. 782 783config CRYPTO_DEV_ARTPEC6 784 tristate "Support for Axis ARTPEC-6/7 hardware crypto acceleration." 785 depends on ARM && (ARCH_ARTPEC || COMPILE_TEST) 786 depends on OF 787 select CRYPTO_AEAD 788 select CRYPTO_AES 789 select CRYPTO_ALGAPI 790 select CRYPTO_SKCIPHER 791 select CRYPTO_CTR 792 select CRYPTO_HASH 793 select CRYPTO_SHA1 794 select CRYPTO_SHA256 795 select CRYPTO_SHA512 796 help 797 Enables the driver for the on-chip crypto accelerator 798 of Axis ARTPEC SoCs. 799 800 To compile this driver as a module, choose M here. 801 802config CRYPTO_DEV_CCREE 803 tristate "Support for ARM TrustZone CryptoCell family of security processors" 804 depends on CRYPTO && CRYPTO_HW && OF && HAS_DMA 805 depends on HAS_IOMEM 806 select CRYPTO_HASH 807 select CRYPTO_SKCIPHER 808 select CRYPTO_LIB_DES 809 select CRYPTO_AEAD 810 select CRYPTO_AUTHENC 811 select CRYPTO_SHA1 812 select CRYPTO_MD5 813 select CRYPTO_SHA256 814 select CRYPTO_SHA512 815 select CRYPTO_HMAC 816 select CRYPTO_AES 817 select CRYPTO_CBC 818 select CRYPTO_ECB 819 select CRYPTO_CTR 820 select CRYPTO_XTS 821 select CRYPTO_SM4_GENERIC 822 select CRYPTO_SM3_GENERIC 823 help 824 Say 'Y' to enable a driver for the REE interface of the Arm 825 TrustZone CryptoCell family of processors. Currently the 826 CryptoCell 713, 703, 712, 710 and 630 are supported. 827 Choose this if you wish to use hardware acceleration of 828 cryptographic operations on the system REE. 829 If unsure say Y. 830 831source "drivers/crypto/hisilicon/Kconfig" 832 833source "drivers/crypto/amlogic/Kconfig" 834 835config CRYPTO_DEV_SA2UL 836 tristate "Support for TI security accelerator" 837 depends on ARCH_K3 || COMPILE_TEST 838 select CRYPTO_AES 839 select CRYPTO_ALGAPI 840 select CRYPTO_AUTHENC 841 select CRYPTO_DES 842 select CRYPTO_SHA1 843 select CRYPTO_SHA256 844 select CRYPTO_SHA512 845 select HW_RANDOM 846 select SG_SPLIT 847 help 848 K3 devices include a security accelerator engine that may be 849 used for crypto offload. Select this if you want to use hardware 850 acceleration for cryptographic algorithms on these devices. 851 852source "drivers/crypto/aspeed/Kconfig" 853source "drivers/crypto/starfive/Kconfig" 854 855endif # CRYPTO_HW 856