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 - A pkey UV kernel module (pkey-uv.ko) which is automatically 99 loaded when the Ultravisor feature is available within a 100 protected execution environment. 101 102 Select this option if you want to enable the kernel and userspace 103 API for protected key handling. 104 105config PKEY_CCA 106 tristate "PKEY CCA support handler" 107 depends on PKEY 108 depends on ZCRYPT 109 help 110 This is the CCA support handler for deriving protected keys 111 from CCA (secure) keys. Also this handler provides an alternate 112 way to make protected keys from clear key values. 113 114 The PKEY CCA support handler needs a Crypto Express card (CEX) 115 in CCA mode. 116 117 If you have selected the PKEY option then you should also enable 118 this option unless you are sure you never need to derive protected 119 keys from CCA key material. 120 121config PKEY_EP11 122 tristate "PKEY EP11 support handler" 123 depends on PKEY 124 depends on ZCRYPT 125 help 126 This is the EP11 support handler for deriving protected keys 127 from EP11 (secure) keys. Also this handler provides an alternate 128 way to make protected keys from clear key values. 129 130 The PKEY EP11 support handler needs a Crypto Express card (CEX) 131 in EP11 mode. 132 133 If you have selected the PKEY option then you should also enable 134 this option unless you are sure you never need to derive protected 135 keys from EP11 key material. 136 137config PKEY_PCKMO 138 tristate "PKEY PCKMO support handler" 139 depends on PKEY 140 help 141 This is the PCKMO support handler for deriving protected keys 142 from clear key values via invoking the PCKMO instruction. 143 144 The PCKMO instruction can be enabled and disabled in the crypto 145 settings at the LPAR profile. This handler checks for availability 146 during initialization and if build as a kernel module unloads 147 itself if PCKMO is disabled. 148 149 The PCKMO way of deriving protected keys from clear key material 150 is especially used during self test of protected key ciphers like 151 PAES but the CCA and EP11 handler provide alternate ways to 152 generate protected keys from clear key values. 153 154 If you have selected the PKEY option then you should also enable 155 this option unless you are sure you never need to derive protected 156 keys from clear key values directly via PCKMO. 157 158config PKEY_UV 159 tristate "PKEY UV support handler" 160 depends on PKEY 161 depends on S390_UV_UAPI 162 help 163 This is the PKEY Ultravisor support handler for deriving protected 164 keys from secrets stored within the Ultravisor (UV). 165 166 This module works together with the UV device and supports the 167 retrieval of protected keys from secrets stored within the 168 UV firmware layer. This service is only available within 169 a protected execution guest and thus this module will fail upon 170 modprobe if no protected execution environment is detected. 171 172 Enable this option if you intend to run this kernel with an KVM 173 guest with protected execution and you want to use UV retrievable 174 secrets via PKEY API. 175 176config CRYPTO_PAES_S390 177 tristate "PAES cipher algorithms" 178 depends on S390 179 depends on ZCRYPT 180 depends on PKEY 181 select CRYPTO_ALGAPI 182 select CRYPTO_SKCIPHER 183 help 184 This is the s390 hardware accelerated implementation of the 185 AES cipher algorithms for use with protected key. 186 187 Select this option if you want to use the paes cipher 188 for example to use protected key encrypted devices. 189 190config S390_PRNG 191 tristate "Pseudo random number generator device driver" 192 depends on S390 193 default "m" 194 help 195 Select this option if you want to use the s390 pseudo random number 196 generator. The PRNG is part of the cryptographic processor functions 197 and uses triple-DES to generate secure random numbers like the 198 ANSI X9.17 standard. User-space programs access the 199 pseudo-random-number device through the char device /dev/prandom. 200 201 It is available as of z9. 202 203config CRYPTO_DEV_SL3516 204 tristate "Storlink SL3516 crypto offloader" 205 depends on ARCH_GEMINI || COMPILE_TEST 206 depends on HAS_IOMEM && PM 207 select CRYPTO_SKCIPHER 208 select CRYPTO_ENGINE 209 select CRYPTO_ECB 210 select CRYPTO_AES 211 select HW_RANDOM 212 help 213 This option allows you to have support for SL3516 crypto offloader. 214 215config CRYPTO_DEV_SL3516_DEBUG 216 bool "Enable SL3516 stats" 217 depends on CRYPTO_DEV_SL3516 218 depends on DEBUG_FS 219 help 220 Say y to enable SL3516 debug stats. 221 This will create /sys/kernel/debug/sl3516/stats for displaying 222 the number of requests per algorithm and other internal stats. 223 224config CRYPTO_DEV_HIFN_795X 225 tristate "Driver HIFN 795x crypto accelerator chips" 226 select CRYPTO_LIB_DES 227 select CRYPTO_SKCIPHER 228 select HW_RANDOM if CRYPTO_DEV_HIFN_795X_RNG 229 depends on PCI 230 depends on !ARCH_DMA_ADDR_T_64BIT 231 help 232 This option allows you to have support for HIFN 795x crypto adapters. 233 234config CRYPTO_DEV_HIFN_795X_RNG 235 bool "HIFN 795x random number generator" 236 depends on CRYPTO_DEV_HIFN_795X 237 help 238 Select this option if you want to enable the random number generator 239 on the HIFN 795x crypto adapters. 240 241source "drivers/crypto/caam/Kconfig" 242 243config CRYPTO_DEV_TALITOS 244 tristate "Talitos Freescale Security Engine (SEC)" 245 select CRYPTO_AEAD 246 select CRYPTO_AUTHENC 247 select CRYPTO_SKCIPHER 248 select CRYPTO_HASH 249 select CRYPTO_LIB_DES 250 select HW_RANDOM 251 depends on FSL_SOC 252 help 253 Say 'Y' here to use the Freescale Security Engine (SEC) 254 to offload cryptographic algorithm computation. 255 256 The Freescale SEC is present on PowerQUICC 'E' processors, such 257 as the MPC8349E and MPC8548E. 258 259 To compile this driver as a module, choose M here: the module 260 will be called talitos. 261 262config CRYPTO_DEV_TALITOS1 263 bool "SEC1 (SEC 1.0 and SEC Lite 1.2)" 264 depends on CRYPTO_DEV_TALITOS 265 depends on PPC_8xx || PPC_82xx 266 default y 267 help 268 Say 'Y' here to use the Freescale Security Engine (SEC) version 1.0 269 found on MPC82xx or the Freescale Security Engine (SEC Lite) 270 version 1.2 found on MPC8xx 271 272config CRYPTO_DEV_TALITOS2 273 bool "SEC2+ (SEC version 2.0 or upper)" 274 depends on CRYPTO_DEV_TALITOS 275 default y if !PPC_8xx 276 help 277 Say 'Y' here to use the Freescale Security Engine (SEC) 278 version 2 and following as found on MPC83xx, MPC85xx, etc ... 279 280config CRYPTO_DEV_PPC4XX 281 tristate "Driver AMCC PPC4xx crypto accelerator" 282 depends on PPC && 4xx 283 select CRYPTO_HASH 284 select CRYPTO_AEAD 285 select CRYPTO_AES 286 select CRYPTO_LIB_AES 287 select CRYPTO_CCM 288 select CRYPTO_CTR 289 select CRYPTO_GCM 290 select CRYPTO_SKCIPHER 291 help 292 This option allows you to have support for AMCC crypto acceleration. 293 294config HW_RANDOM_PPC4XX 295 bool "PowerPC 4xx generic true random number generator support" 296 depends on CRYPTO_DEV_PPC4XX && HW_RANDOM=y 297 default y 298 help 299 This option provides the kernel-side support for the TRNG hardware 300 found in the security function of some PowerPC 4xx SoCs. 301 302config CRYPTO_DEV_OMAP 303 tristate "Support for OMAP crypto HW accelerators" 304 depends on ARCH_OMAP2PLUS 305 help 306 OMAP processors have various crypto HW accelerators. Select this if 307 you want to use the OMAP modules for any of the crypto algorithms. 308 309if CRYPTO_DEV_OMAP 310 311config CRYPTO_DEV_OMAP_SHAM 312 tristate "Support for OMAP MD5/SHA1/SHA2 hw accelerator" 313 depends on ARCH_OMAP2PLUS 314 select CRYPTO_ENGINE 315 select CRYPTO_SHA1 316 select CRYPTO_MD5 317 select CRYPTO_SHA256 318 select CRYPTO_SHA512 319 select CRYPTO_HMAC 320 help 321 OMAP processors have MD5/SHA1/SHA2 hw accelerator. Select this if you 322 want to use the OMAP module for MD5/SHA1/SHA2 algorithms. 323 324config CRYPTO_DEV_OMAP_AES 325 tristate "Support for OMAP AES hw engine" 326 depends on ARCH_OMAP2 || ARCH_OMAP3 || ARCH_OMAP2PLUS 327 select CRYPTO_AES 328 select CRYPTO_SKCIPHER 329 select CRYPTO_ENGINE 330 select CRYPTO_CBC 331 select CRYPTO_ECB 332 select CRYPTO_CTR 333 select CRYPTO_AEAD 334 help 335 OMAP processors have AES module accelerator. Select this if you 336 want to use the OMAP module for AES algorithms. 337 338config CRYPTO_DEV_OMAP_DES 339 tristate "Support for OMAP DES/3DES hw engine" 340 depends on ARCH_OMAP2PLUS 341 select CRYPTO_LIB_DES 342 select CRYPTO_SKCIPHER 343 select CRYPTO_ENGINE 344 help 345 OMAP processors have DES/3DES module accelerator. Select this if you 346 want to use the OMAP module for DES and 3DES algorithms. Currently 347 the ECB and CBC modes of operation are supported by the driver. Also 348 accesses made on unaligned boundaries are supported. 349 350endif # CRYPTO_DEV_OMAP 351 352config CRYPTO_DEV_SAHARA 353 tristate "Support for SAHARA crypto accelerator" 354 depends on ARCH_MXC && OF 355 select CRYPTO_SKCIPHER 356 select CRYPTO_AES 357 select CRYPTO_ECB 358 select CRYPTO_ENGINE 359 help 360 This option enables support for the SAHARA HW crypto accelerator 361 found in some Freescale i.MX chips. 362 363config CRYPTO_DEV_EXYNOS_RNG 364 tristate "Exynos HW pseudo random number generator support" 365 depends on ARCH_EXYNOS || COMPILE_TEST 366 depends on HAS_IOMEM 367 select CRYPTO_RNG 368 help 369 This driver provides kernel-side support through the 370 cryptographic API for the pseudo random number generator hardware 371 found on Exynos SoCs. 372 373 To compile this driver as a module, choose M here: the 374 module will be called exynos-rng. 375 376 If unsure, say Y. 377 378config CRYPTO_DEV_S5P 379 tristate "Support for Samsung S5PV210/Exynos crypto accelerator" 380 depends on ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST 381 depends on HAS_IOMEM 382 select CRYPTO_AES 383 select CRYPTO_SKCIPHER 384 help 385 This option allows you to have support for S5P crypto acceleration. 386 Select this to offload Samsung S5PV210 or S5PC110, Exynos from AES 387 algorithms execution. 388 389config CRYPTO_DEV_EXYNOS_HASH 390 bool "Support for Samsung Exynos HASH accelerator" 391 depends on CRYPTO_DEV_S5P 392 depends on !CRYPTO_DEV_EXYNOS_RNG && CRYPTO_DEV_EXYNOS_RNG!=m 393 select CRYPTO_SHA1 394 select CRYPTO_MD5 395 select CRYPTO_SHA256 396 help 397 Select this to offload Exynos from HASH MD5/SHA1/SHA256. 398 This will select software SHA1, MD5 and SHA256 as they are 399 needed for small and zero-size messages. 400 HASH algorithms will be disabled if EXYNOS_RNG 401 is enabled due to hw conflict. 402 403config CRYPTO_DEV_NX 404 bool "Support for IBM PowerPC Nest (NX) cryptographic acceleration" 405 depends on PPC64 406 help 407 This enables support for the NX hardware cryptographic accelerator 408 coprocessor that is in IBM PowerPC P7+ or later processors. This 409 does not actually enable any drivers, it only allows you to select 410 which acceleration type (encryption and/or compression) to enable. 411 412if CRYPTO_DEV_NX 413 source "drivers/crypto/nx/Kconfig" 414endif 415 416config CRYPTO_DEV_ATMEL_AUTHENC 417 bool "Support for Atmel IPSEC/SSL hw accelerator" 418 depends on ARCH_AT91 || COMPILE_TEST 419 depends on CRYPTO_DEV_ATMEL_AES 420 help 421 Some Atmel processors can combine the AES and SHA hw accelerators 422 to enhance support of IPSEC/SSL. 423 Select this if you want to use the Atmel modules for 424 authenc(hmac(shaX),Y(cbc)) algorithms. 425 426config CRYPTO_DEV_ATMEL_AES 427 tristate "Support for Atmel AES hw accelerator" 428 depends on ARCH_AT91 || COMPILE_TEST 429 select CRYPTO_AES 430 select CRYPTO_AEAD 431 select CRYPTO_SKCIPHER 432 select CRYPTO_AUTHENC if CRYPTO_DEV_ATMEL_AUTHENC 433 select CRYPTO_DEV_ATMEL_SHA if CRYPTO_DEV_ATMEL_AUTHENC 434 help 435 Some Atmel processors have AES hw accelerator. 436 Select this if you want to use the Atmel module for 437 AES algorithms. 438 439 To compile this driver as a module, choose M here: the module 440 will be called atmel-aes. 441 442config CRYPTO_DEV_ATMEL_TDES 443 tristate "Support for Atmel DES/TDES hw accelerator" 444 depends on ARCH_AT91 || COMPILE_TEST 445 select CRYPTO_LIB_DES 446 select CRYPTO_SKCIPHER 447 help 448 Some Atmel processors have DES/TDES hw accelerator. 449 Select this if you want to use the Atmel module for 450 DES/TDES algorithms. 451 452 To compile this driver as a module, choose M here: the module 453 will be called atmel-tdes. 454 455config CRYPTO_DEV_ATMEL_SHA 456 tristate "Support for Atmel SHA hw accelerator" 457 depends on ARCH_AT91 || COMPILE_TEST 458 select CRYPTO_HASH 459 help 460 Some Atmel processors have SHA1/SHA224/SHA256/SHA384/SHA512 461 hw accelerator. 462 Select this if you want to use the Atmel module for 463 SHA1/SHA224/SHA256/SHA384/SHA512 algorithms. 464 465 To compile this driver as a module, choose M here: the module 466 will be called atmel-sha. 467 468config CRYPTO_DEV_ATMEL_I2C 469 tristate 470 select BITREVERSE 471 472config CRYPTO_DEV_ATMEL_ECC 473 tristate "Support for Microchip / Atmel ECC hw accelerator" 474 depends on I2C 475 select CRYPTO_DEV_ATMEL_I2C 476 select CRYPTO_ECDH 477 select CRC16 478 help 479 Microhip / Atmel ECC hw accelerator. 480 Select this if you want to use the Microchip / Atmel module for 481 ECDH algorithm. 482 483 To compile this driver as a module, choose M here: the module 484 will be called atmel-ecc. 485 486config CRYPTO_DEV_ATMEL_SHA204A 487 tristate "Support for Microchip / Atmel SHA accelerator and RNG" 488 depends on I2C 489 select CRYPTO_DEV_ATMEL_I2C 490 select HW_RANDOM 491 select CRC16 492 help 493 Microhip / Atmel SHA accelerator and RNG. 494 Select this if you want to use the Microchip / Atmel SHA204A 495 module as a random number generator. (Other functions of the 496 chip are currently not exposed by this driver) 497 498 To compile this driver as a module, choose M here: the module 499 will be called atmel-sha204a. 500 501config CRYPTO_DEV_CCP 502 bool "Support for AMD Secure Processor" 503 depends on ((X86 && PCI) || (ARM64 && (OF_ADDRESS || ACPI))) && HAS_IOMEM 504 help 505 The AMD Secure Processor provides support for the Cryptographic Coprocessor 506 (CCP) and the Platform Security Processor (PSP) devices. 507 508if CRYPTO_DEV_CCP 509 source "drivers/crypto/ccp/Kconfig" 510endif 511 512config CRYPTO_DEV_MXS_DCP 513 tristate "Support for Freescale MXS DCP" 514 depends on (ARCH_MXS || ARCH_MXC) 515 select STMP_DEVICE 516 select CRYPTO_CBC 517 select CRYPTO_ECB 518 select CRYPTO_AES 519 select CRYPTO_SKCIPHER 520 select CRYPTO_HASH 521 help 522 The Freescale i.MX23/i.MX28 has SHA1/SHA256 and AES128 CBC/ECB 523 co-processor on the die. 524 525 To compile this driver as a module, choose M here: the module 526 will be called mxs-dcp. 527 528source "drivers/crypto/cavium/cpt/Kconfig" 529source "drivers/crypto/cavium/nitrox/Kconfig" 530source "drivers/crypto/marvell/Kconfig" 531source "drivers/crypto/intel/Kconfig" 532 533config CRYPTO_DEV_CAVIUM_ZIP 534 tristate "Cavium ZIP driver" 535 depends on PCI && 64BIT && (ARM64 || COMPILE_TEST) 536 help 537 Select this option if you want to enable compression/decompression 538 acceleration on Cavium's ARM based SoCs 539 540config CRYPTO_DEV_QCE 541 tristate "Qualcomm crypto engine accelerator" 542 depends on ARCH_QCOM || COMPILE_TEST 543 depends on HAS_IOMEM 544 help 545 This driver supports Qualcomm crypto engine accelerator 546 hardware. To compile this driver as a module, choose M here. The 547 module will be called qcrypto. 548 549config CRYPTO_DEV_QCE_SKCIPHER 550 bool 551 depends on CRYPTO_DEV_QCE 552 select CRYPTO_AES 553 select CRYPTO_LIB_DES 554 select CRYPTO_ECB 555 select CRYPTO_CBC 556 select CRYPTO_XTS 557 select CRYPTO_CTR 558 select CRYPTO_SKCIPHER 559 560config CRYPTO_DEV_QCE_SHA 561 bool 562 depends on CRYPTO_DEV_QCE 563 select CRYPTO_SHA1 564 select CRYPTO_SHA256 565 566config CRYPTO_DEV_QCE_AEAD 567 bool 568 depends on CRYPTO_DEV_QCE 569 select CRYPTO_AUTHENC 570 select CRYPTO_LIB_DES 571 572choice 573 prompt "Algorithms enabled for QCE acceleration" 574 default CRYPTO_DEV_QCE_ENABLE_ALL 575 depends on CRYPTO_DEV_QCE 576 help 577 This option allows to choose whether to build support for all algorithms 578 (default), hashes-only, or skciphers-only. 579 580 The QCE engine does not appear to scale as well as the CPU to handle 581 multiple crypto requests. While the ipq40xx chips have 4-core CPUs, the 582 QCE handles only 2 requests in parallel. 583 584 Ipsec throughput seems to improve when disabling either family of 585 algorithms, sharing the load with the CPU. Enabling skciphers-only 586 appears to work best. 587 588 config CRYPTO_DEV_QCE_ENABLE_ALL 589 bool "All supported algorithms" 590 select CRYPTO_DEV_QCE_SKCIPHER 591 select CRYPTO_DEV_QCE_SHA 592 select CRYPTO_DEV_QCE_AEAD 593 help 594 Enable all supported algorithms: 595 - AES (CBC, CTR, ECB, XTS) 596 - 3DES (CBC, ECB) 597 - DES (CBC, ECB) 598 - SHA1, HMAC-SHA1 599 - SHA256, HMAC-SHA256 600 601 config CRYPTO_DEV_QCE_ENABLE_SKCIPHER 602 bool "Symmetric-key ciphers only" 603 select CRYPTO_DEV_QCE_SKCIPHER 604 help 605 Enable symmetric-key ciphers only: 606 - AES (CBC, CTR, ECB, XTS) 607 - 3DES (ECB, CBC) 608 - DES (ECB, CBC) 609 610 config CRYPTO_DEV_QCE_ENABLE_SHA 611 bool "Hash/HMAC only" 612 select CRYPTO_DEV_QCE_SHA 613 help 614 Enable hashes/HMAC algorithms only: 615 - SHA1, HMAC-SHA1 616 - SHA256, HMAC-SHA256 617 618 config CRYPTO_DEV_QCE_ENABLE_AEAD 619 bool "AEAD algorithms only" 620 select CRYPTO_DEV_QCE_AEAD 621 help 622 Enable AEAD algorithms only: 623 - authenc() 624 - ccm(aes) 625 - rfc4309(ccm(aes)) 626endchoice 627 628config CRYPTO_DEV_QCE_SW_MAX_LEN 629 int "Default maximum request size to use software for AES" 630 depends on CRYPTO_DEV_QCE && CRYPTO_DEV_QCE_SKCIPHER 631 default 512 632 help 633 This sets the default maximum request size to perform AES requests 634 using software instead of the crypto engine. It can be changed by 635 setting the aes_sw_max_len parameter. 636 637 Small blocks are processed faster in software than hardware. 638 Considering the 256-bit ciphers, software is 2-3 times faster than 639 qce at 256-bytes, 30% faster at 512, and about even at 768-bytes. 640 With 128-bit keys, the break-even point would be around 1024-bytes. 641 642 The default is set a little lower, to 512 bytes, to balance the 643 cost in CPU usage. The minimum recommended setting is 16-bytes 644 (1 AES block), since AES-GCM will fail if you set it lower. 645 Setting this to zero will send all requests to the hardware. 646 647 Note that 192-bit keys are not supported by the hardware and are 648 always processed by the software fallback, and all DES requests 649 are done by the hardware. 650 651config CRYPTO_DEV_QCOM_RNG 652 tristate "Qualcomm Random Number Generator Driver" 653 depends on ARCH_QCOM || COMPILE_TEST 654 depends on HW_RANDOM 655 select CRYPTO_RNG 656 help 657 This driver provides support for the Random Number 658 Generator hardware found on Qualcomm SoCs. 659 660 To compile this driver as a module, choose M here. The 661 module will be called qcom-rng. If unsure, say N. 662 663#config CRYPTO_DEV_VMX 664# bool "Support for VMX cryptographic acceleration instructions" 665# depends on PPC64 && VSX 666# help 667# Support for VMX cryptographic acceleration instructions. 668# 669#source "drivers/crypto/vmx/Kconfig" 670 671config CRYPTO_DEV_IMGTEC_HASH 672 tristate "Imagination Technologies hardware hash accelerator" 673 depends on MIPS || COMPILE_TEST 674 select CRYPTO_MD5 675 select CRYPTO_SHA1 676 select CRYPTO_SHA256 677 select CRYPTO_HASH 678 help 679 This driver interfaces with the Imagination Technologies 680 hardware hash accelerator. Supporting MD5/SHA1/SHA224/SHA256 681 hashing algorithms. 682 683config CRYPTO_DEV_ROCKCHIP 684 tristate "Rockchip's Cryptographic Engine driver" 685 depends on OF && ARCH_ROCKCHIP 686 depends on PM 687 select CRYPTO_ECB 688 select CRYPTO_CBC 689 select CRYPTO_DES 690 select CRYPTO_AES 691 select CRYPTO_ENGINE 692 select CRYPTO_LIB_DES 693 select CRYPTO_MD5 694 select CRYPTO_SHA1 695 select CRYPTO_SHA256 696 select CRYPTO_HASH 697 select CRYPTO_SKCIPHER 698 699 help 700 This driver interfaces with the hardware crypto accelerator. 701 Supporting cbc/ecb chainmode, and aes/des/des3_ede cipher mode. 702 703config CRYPTO_DEV_ROCKCHIP_DEBUG 704 bool "Enable Rockchip crypto stats" 705 depends on CRYPTO_DEV_ROCKCHIP 706 depends on DEBUG_FS 707 help 708 Say y to enable Rockchip crypto debug stats. 709 This will create /sys/kernel/debug/rk3288_crypto/stats for displaying 710 the number of requests per algorithm and other internal stats. 711 712config CRYPTO_DEV_TEGRA 713 tristate "Enable Tegra Security Engine" 714 depends on TEGRA_HOST1X 715 select CRYPTO_ENGINE 716 717 help 718 Select this to enable Tegra Security Engine which accelerates various 719 AES encryption/decryption and HASH algorithms. 720 721config CRYPTO_DEV_ZYNQMP_AES 722 tristate "Support for Xilinx ZynqMP AES hw accelerator" 723 depends on ZYNQMP_FIRMWARE || COMPILE_TEST 724 select CRYPTO_AES 725 select CRYPTO_ENGINE 726 select CRYPTO_AEAD 727 help 728 Xilinx ZynqMP has AES-GCM engine used for symmetric key 729 encryption and decryption. This driver interfaces with AES hw 730 accelerator. Select this if you want to use the ZynqMP module 731 for AES algorithms. 732 733config CRYPTO_DEV_ZYNQMP_SHA3 734 tristate "Support for Xilinx ZynqMP SHA3 hardware accelerator" 735 depends on ZYNQMP_FIRMWARE || COMPILE_TEST 736 select CRYPTO_SHA3 737 help 738 Xilinx ZynqMP has SHA3 engine used for secure hash calculation. 739 This driver interfaces with SHA3 hardware engine. 740 Select this if you want to use the ZynqMP module 741 for SHA3 hash computation. 742 743source "drivers/crypto/chelsio/Kconfig" 744 745source "drivers/crypto/virtio/Kconfig" 746 747config CRYPTO_DEV_BCM_SPU 748 tristate "Broadcom symmetric crypto/hash acceleration support" 749 depends on ARCH_BCM_IPROC 750 depends on MAILBOX 751 default m 752 select CRYPTO_AUTHENC 753 select CRYPTO_LIB_DES 754 select CRYPTO_MD5 755 select CRYPTO_SHA1 756 select CRYPTO_SHA256 757 select CRYPTO_SHA512 758 help 759 This driver provides support for Broadcom crypto acceleration using the 760 Secure Processing Unit (SPU). The SPU driver registers skcipher, 761 ahash, and aead algorithms with the kernel cryptographic API. 762 763source "drivers/crypto/stm32/Kconfig" 764 765config CRYPTO_DEV_SAFEXCEL 766 tristate "Inside Secure's SafeXcel cryptographic engine driver" 767 depends on (OF || PCI || COMPILE_TEST) && HAS_IOMEM 768 select CRYPTO_LIB_AES 769 select CRYPTO_AUTHENC 770 select CRYPTO_SKCIPHER 771 select CRYPTO_LIB_DES 772 select CRYPTO_HASH 773 select CRYPTO_HMAC 774 select CRYPTO_MD5 775 select CRYPTO_SHA1 776 select CRYPTO_SHA256 777 select CRYPTO_SHA512 778 select CRYPTO_CHACHA20POLY1305 779 select CRYPTO_SHA3 780 help 781 This driver interfaces with the SafeXcel EIP-97 and EIP-197 cryptographic 782 engines designed by Inside Secure. It currently accelerates DES, 3DES and 783 AES block ciphers in ECB and CBC mode, as well as SHA1, SHA224, SHA256, 784 SHA384 and SHA512 hash algorithms for both basic hash and HMAC. 785 Additionally, it accelerates combined AES-CBC/HMAC-SHA AEAD operations. 786 787config CRYPTO_DEV_ARTPEC6 788 tristate "Support for Axis ARTPEC-6/7 hardware crypto acceleration." 789 depends on ARM && (ARCH_ARTPEC || COMPILE_TEST) 790 depends on OF 791 select CRYPTO_AEAD 792 select CRYPTO_AES 793 select CRYPTO_ALGAPI 794 select CRYPTO_SKCIPHER 795 select CRYPTO_CTR 796 select CRYPTO_HASH 797 select CRYPTO_SHA1 798 select CRYPTO_SHA256 799 select CRYPTO_SHA512 800 help 801 Enables the driver for the on-chip crypto accelerator 802 of Axis ARTPEC SoCs. 803 804 To compile this driver as a module, choose M here. 805 806config CRYPTO_DEV_CCREE 807 tristate "Support for ARM TrustZone CryptoCell family of security processors" 808 depends on CRYPTO && CRYPTO_HW && OF && HAS_DMA 809 depends on HAS_IOMEM 810 select CRYPTO_HASH 811 select CRYPTO_SKCIPHER 812 select CRYPTO_LIB_DES 813 select CRYPTO_AEAD 814 select CRYPTO_AUTHENC 815 select CRYPTO_SHA1 816 select CRYPTO_MD5 817 select CRYPTO_SHA256 818 select CRYPTO_SHA512 819 select CRYPTO_HMAC 820 select CRYPTO_AES 821 select CRYPTO_CBC 822 select CRYPTO_ECB 823 select CRYPTO_CTR 824 select CRYPTO_XTS 825 select CRYPTO_SM4_GENERIC 826 select CRYPTO_SM3_GENERIC 827 help 828 Say 'Y' to enable a driver for the REE interface of the Arm 829 TrustZone CryptoCell family of processors. Currently the 830 CryptoCell 713, 703, 712, 710 and 630 are supported. 831 Choose this if you wish to use hardware acceleration of 832 cryptographic operations on the system REE. 833 If unsure say Y. 834 835source "drivers/crypto/hisilicon/Kconfig" 836 837source "drivers/crypto/amlogic/Kconfig" 838 839config CRYPTO_DEV_SA2UL 840 tristate "Support for TI security accelerator" 841 depends on ARCH_K3 || COMPILE_TEST 842 select CRYPTO_AES 843 select CRYPTO_ALGAPI 844 select CRYPTO_AUTHENC 845 select CRYPTO_DES 846 select CRYPTO_SHA1 847 select CRYPTO_SHA256 848 select CRYPTO_SHA512 849 select HW_RANDOM 850 select SG_SPLIT 851 help 852 K3 devices include a security accelerator engine that may be 853 used for crypto offload. Select this if you want to use hardware 854 acceleration for cryptographic algorithms on these devices. 855 856source "drivers/crypto/aspeed/Kconfig" 857source "drivers/crypto/starfive/Kconfig" 858source "drivers/crypto/inside-secure/eip93/Kconfig" 859 860endif # CRYPTO_HW 861