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 select HW_RANDOM 71 help 72 Select this option if you want to enable support for 73 s390 cryptographic adapters like: 74 + Crypto Express 2 up to 7 Coprocessor (CEXxC) 75 + Crypto Express 2 up to 7 Accelerator (CEXxA) 76 + Crypto Express 4 up to 7 EP11 Coprocessor (CEXxP) 77 78config ZCRYPT_DEBUG 79 bool "Enable debug features for s390 cryptographic adapters" 80 default n 81 depends on DEBUG_KERNEL 82 depends on ZCRYPT 83 help 84 Say 'Y' here to enable some additional debug features on the 85 s390 cryptographic adapters driver. 86 87 There will be some more sysfs attributes displayed for ap cards 88 and queues and some flags on crypto requests are interpreted as 89 debugging messages to force error injection. 90 91 Do not enable on production level kernel build. 92 93 If unsure, say N. 94 95config ZCRYPT_MULTIDEVNODES 96 bool "Support for multiple zcrypt device nodes" 97 default y 98 depends on S390 99 depends on ZCRYPT 100 help 101 With this option enabled the zcrypt device driver can 102 provide multiple devices nodes in /dev. Each device 103 node can get customized to limit access and narrow 104 down the use of the available crypto hardware. 105 106config PKEY 107 tristate "Kernel API for protected key handling" 108 depends on S390 109 depends on ZCRYPT 110 help 111 With this option enabled the pkey kernel module provides an API 112 for creation and handling of protected keys. Other parts of the 113 kernel or userspace applications may use these functions. 114 115 Select this option if you want to enable the kernel and userspace 116 API for proteced key handling. 117 118 Please note that creation of protected keys from secure keys 119 requires to have at least one CEX card in coprocessor mode 120 available at runtime. 121 122config CRYPTO_PAES_S390 123 tristate "PAES cipher algorithms" 124 depends on S390 125 depends on ZCRYPT 126 depends on PKEY 127 select CRYPTO_ALGAPI 128 select CRYPTO_SKCIPHER 129 help 130 This is the s390 hardware accelerated implementation of the 131 AES cipher algorithms for use with protected key. 132 133 Select this option if you want to use the paes cipher 134 for example to use protected key encrypted devices. 135 136config CRYPTO_SHA1_S390 137 tristate "SHA1 digest algorithm" 138 depends on S390 139 select CRYPTO_HASH 140 help 141 This is the s390 hardware accelerated implementation of the 142 SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). 143 144 It is available as of z990. 145 146config CRYPTO_SHA256_S390 147 tristate "SHA256 digest algorithm" 148 depends on S390 149 select CRYPTO_HASH 150 help 151 This is the s390 hardware accelerated implementation of the 152 SHA256 secure hash standard (DFIPS 180-2). 153 154 It is available as of z9. 155 156config CRYPTO_SHA512_S390 157 tristate "SHA384 and SHA512 digest algorithm" 158 depends on S390 159 select CRYPTO_HASH 160 help 161 This is the s390 hardware accelerated implementation of the 162 SHA512 secure hash standard. 163 164 It is available as of z10. 165 166config CRYPTO_SHA3_256_S390 167 tristate "SHA3_224 and SHA3_256 digest algorithm" 168 depends on S390 169 select CRYPTO_HASH 170 help 171 This is the s390 hardware accelerated implementation of the 172 SHA3_256 secure hash standard. 173 174 It is available as of z14. 175 176config CRYPTO_SHA3_512_S390 177 tristate "SHA3_384 and SHA3_512 digest algorithm" 178 depends on S390 179 select CRYPTO_HASH 180 help 181 This is the s390 hardware accelerated implementation of the 182 SHA3_512 secure hash standard. 183 184 It is available as of z14. 185 186config CRYPTO_DES_S390 187 tristate "DES and Triple DES cipher algorithms" 188 depends on S390 189 select CRYPTO_ALGAPI 190 select CRYPTO_SKCIPHER 191 select CRYPTO_LIB_DES 192 help 193 This is the s390 hardware accelerated implementation of the 194 DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). 195 196 As of z990 the ECB and CBC mode are hardware accelerated. 197 As of z196 the CTR mode is hardware accelerated. 198 199config CRYPTO_AES_S390 200 tristate "AES cipher algorithms" 201 depends on S390 202 select CRYPTO_ALGAPI 203 select CRYPTO_SKCIPHER 204 help 205 This is the s390 hardware accelerated implementation of the 206 AES cipher algorithms (FIPS-197). 207 208 As of z9 the ECB and CBC modes are hardware accelerated 209 for 128 bit keys. 210 As of z10 the ECB and CBC modes are hardware accelerated 211 for all AES key sizes. 212 As of z196 the CTR mode is hardware accelerated for all AES 213 key sizes and XTS mode is hardware accelerated for 256 and 214 512 bit keys. 215 216config S390_PRNG 217 tristate "Pseudo random number generator device driver" 218 depends on S390 219 default "m" 220 help 221 Select this option if you want to use the s390 pseudo random number 222 generator. The PRNG is part of the cryptographic processor functions 223 and uses triple-DES to generate secure random numbers like the 224 ANSI X9.17 standard. User-space programs access the 225 pseudo-random-number device through the char device /dev/prandom. 226 227 It is available as of z9. 228 229config CRYPTO_GHASH_S390 230 tristate "GHASH hash function" 231 depends on S390 232 select CRYPTO_HASH 233 help 234 This is the s390 hardware accelerated implementation of GHASH, 235 the hash function used in GCM (Galois/Counter mode). 236 237 It is available as of z196. 238 239config CRYPTO_CRC32_S390 240 tristate "CRC-32 algorithms" 241 depends on S390 242 select CRYPTO_HASH 243 select CRC32 244 help 245 Select this option if you want to use hardware accelerated 246 implementations of CRC algorithms. With this option, you 247 can optimize the computation of CRC-32 (IEEE 802.3 Ethernet) 248 and CRC-32C (Castagnoli). 249 250 It is available with IBM z13 or later. 251 252config CRYPTO_DEV_NIAGARA2 253 tristate "Niagara2 Stream Processing Unit driver" 254 select CRYPTO_LIB_DES 255 select CRYPTO_SKCIPHER 256 select CRYPTO_HASH 257 select CRYPTO_MD5 258 select CRYPTO_SHA1 259 select CRYPTO_SHA256 260 depends on SPARC64 261 help 262 Each core of a Niagara2 processor contains a Stream 263 Processing Unit, which itself contains several cryptographic 264 sub-units. One set provides the Modular Arithmetic Unit, 265 used for SSL offload. The other set provides the Cipher 266 Group, which can perform encryption, decryption, hashing, 267 checksumming, and raw copies. 268 269config CRYPTO_DEV_HIFN_795X 270 tristate "Driver HIFN 795x crypto accelerator chips" 271 select CRYPTO_LIB_DES 272 select CRYPTO_SKCIPHER 273 select HW_RANDOM if CRYPTO_DEV_HIFN_795X_RNG 274 depends on PCI 275 depends on !ARCH_DMA_ADDR_T_64BIT 276 help 277 This option allows you to have support for HIFN 795x crypto adapters. 278 279config CRYPTO_DEV_HIFN_795X_RNG 280 bool "HIFN 795x random number generator" 281 depends on CRYPTO_DEV_HIFN_795X 282 help 283 Select this option if you want to enable the random number generator 284 on the HIFN 795x crypto adapters. 285 286source "drivers/crypto/caam/Kconfig" 287 288config CRYPTO_DEV_TALITOS 289 tristate "Talitos Freescale Security Engine (SEC)" 290 select CRYPTO_AEAD 291 select CRYPTO_AUTHENC 292 select CRYPTO_SKCIPHER 293 select CRYPTO_HASH 294 select CRYPTO_LIB_DES 295 select HW_RANDOM 296 depends on FSL_SOC 297 help 298 Say 'Y' here to use the Freescale Security Engine (SEC) 299 to offload cryptographic algorithm computation. 300 301 The Freescale SEC is present on PowerQUICC 'E' processors, such 302 as the MPC8349E and MPC8548E. 303 304 To compile this driver as a module, choose M here: the module 305 will be called talitos. 306 307config CRYPTO_DEV_TALITOS1 308 bool "SEC1 (SEC 1.0 and SEC Lite 1.2)" 309 depends on CRYPTO_DEV_TALITOS 310 depends on PPC_8xx || PPC_82xx 311 default y 312 help 313 Say 'Y' here to use the Freescale Security Engine (SEC) version 1.0 314 found on MPC82xx or the Freescale Security Engine (SEC Lite) 315 version 1.2 found on MPC8xx 316 317config CRYPTO_DEV_TALITOS2 318 bool "SEC2+ (SEC version 2.0 or upper)" 319 depends on CRYPTO_DEV_TALITOS 320 default y if !PPC_8xx 321 help 322 Say 'Y' here to use the Freescale Security Engine (SEC) 323 version 2 and following as found on MPC83xx, MPC85xx, etc ... 324 325config CRYPTO_DEV_IXP4XX 326 tristate "Driver for IXP4xx crypto hardware acceleration" 327 depends on ARCH_IXP4XX && IXP4XX_QMGR && IXP4XX_NPE 328 select CRYPTO_LIB_DES 329 select CRYPTO_AEAD 330 select CRYPTO_AUTHENC 331 select CRYPTO_SKCIPHER 332 help 333 Driver for the IXP4xx NPE crypto engine. 334 335config CRYPTO_DEV_PPC4XX 336 tristate "Driver AMCC PPC4xx crypto accelerator" 337 depends on PPC && 4xx 338 select CRYPTO_HASH 339 select CRYPTO_AEAD 340 select CRYPTO_AES 341 select CRYPTO_LIB_AES 342 select CRYPTO_CCM 343 select CRYPTO_CTR 344 select CRYPTO_GCM 345 select CRYPTO_SKCIPHER 346 help 347 This option allows you to have support for AMCC crypto acceleration. 348 349config HW_RANDOM_PPC4XX 350 bool "PowerPC 4xx generic true random number generator support" 351 depends on CRYPTO_DEV_PPC4XX && HW_RANDOM 352 default y 353 help 354 This option provides the kernel-side support for the TRNG hardware 355 found in the security function of some PowerPC 4xx SoCs. 356 357config CRYPTO_DEV_OMAP 358 tristate "Support for OMAP crypto HW accelerators" 359 depends on ARCH_OMAP2PLUS 360 help 361 OMAP processors have various crypto HW accelerators. Select this if 362 you want to use the OMAP modules for any of the crypto algorithms. 363 364if CRYPTO_DEV_OMAP 365 366config CRYPTO_DEV_OMAP_SHAM 367 tristate "Support for OMAP MD5/SHA1/SHA2 hw accelerator" 368 depends on ARCH_OMAP2PLUS 369 select CRYPTO_SHA1 370 select CRYPTO_MD5 371 select CRYPTO_SHA256 372 select CRYPTO_SHA512 373 select CRYPTO_HMAC 374 help 375 OMAP processors have MD5/SHA1/SHA2 hw accelerator. Select this if you 376 want to use the OMAP module for MD5/SHA1/SHA2 algorithms. 377 378config CRYPTO_DEV_OMAP_AES 379 tristate "Support for OMAP AES hw engine" 380 depends on ARCH_OMAP2 || ARCH_OMAP3 || ARCH_OMAP2PLUS 381 select CRYPTO_AES 382 select CRYPTO_SKCIPHER 383 select CRYPTO_ENGINE 384 select CRYPTO_CBC 385 select CRYPTO_ECB 386 select CRYPTO_CTR 387 select CRYPTO_AEAD 388 help 389 OMAP processors have AES module accelerator. Select this if you 390 want to use the OMAP module for AES algorithms. 391 392config CRYPTO_DEV_OMAP_DES 393 tristate "Support for OMAP DES/3DES hw engine" 394 depends on ARCH_OMAP2PLUS 395 select CRYPTO_LIB_DES 396 select CRYPTO_SKCIPHER 397 select CRYPTO_ENGINE 398 help 399 OMAP processors have DES/3DES module accelerator. Select this if you 400 want to use the OMAP module for DES and 3DES algorithms. Currently 401 the ECB and CBC modes of operation are supported by the driver. Also 402 accesses made on unaligned boundaries are supported. 403 404endif # CRYPTO_DEV_OMAP 405 406config CRYPTO_DEV_PICOXCELL 407 tristate "Support for picoXcell IPSEC and Layer2 crypto engines" 408 depends on (ARCH_PICOXCELL || COMPILE_TEST) && HAVE_CLK 409 select CRYPTO_AEAD 410 select CRYPTO_AES 411 select CRYPTO_AUTHENC 412 select CRYPTO_SKCIPHER 413 select CRYPTO_LIB_DES 414 select CRYPTO_CBC 415 select CRYPTO_ECB 416 select CRYPTO_SEQIV 417 help 418 This option enables support for the hardware offload engines in the 419 Picochip picoXcell SoC devices. Select this for IPSEC ESP offload 420 and for 3gpp Layer 2 ciphering support. 421 422 Saying m here will build a module named picoxcell_crypto. 423 424config CRYPTO_DEV_SAHARA 425 tristate "Support for SAHARA crypto accelerator" 426 depends on ARCH_MXC && OF 427 select CRYPTO_SKCIPHER 428 select CRYPTO_AES 429 select CRYPTO_ECB 430 help 431 This option enables support for the SAHARA HW crypto accelerator 432 found in some Freescale i.MX chips. 433 434config CRYPTO_DEV_EXYNOS_RNG 435 tristate "Exynos HW pseudo random number generator support" 436 depends on ARCH_EXYNOS || COMPILE_TEST 437 depends on HAS_IOMEM 438 select CRYPTO_RNG 439 help 440 This driver provides kernel-side support through the 441 cryptographic API for the pseudo random number generator hardware 442 found on Exynos SoCs. 443 444 To compile this driver as a module, choose M here: the 445 module will be called exynos-rng. 446 447 If unsure, say Y. 448 449config CRYPTO_DEV_S5P 450 tristate "Support for Samsung S5PV210/Exynos crypto accelerator" 451 depends on ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST 452 depends on HAS_IOMEM 453 select CRYPTO_AES 454 select CRYPTO_SKCIPHER 455 help 456 This option allows you to have support for S5P crypto acceleration. 457 Select this to offload Samsung S5PV210 or S5PC110, Exynos from AES 458 algorithms execution. 459 460config CRYPTO_DEV_EXYNOS_HASH 461 bool "Support for Samsung Exynos HASH accelerator" 462 depends on CRYPTO_DEV_S5P 463 depends on !CRYPTO_DEV_EXYNOS_RNG && CRYPTO_DEV_EXYNOS_RNG!=m 464 select CRYPTO_SHA1 465 select CRYPTO_MD5 466 select CRYPTO_SHA256 467 help 468 Select this to offload Exynos from HASH MD5/SHA1/SHA256. 469 This will select software SHA1, MD5 and SHA256 as they are 470 needed for small and zero-size messages. 471 HASH algorithms will be disabled if EXYNOS_RNG 472 is enabled due to hw conflict. 473 474config CRYPTO_DEV_NX 475 bool "Support for IBM PowerPC Nest (NX) cryptographic acceleration" 476 depends on PPC64 477 help 478 This enables support for the NX hardware cryptographic accelerator 479 coprocessor that is in IBM PowerPC P7+ or later processors. This 480 does not actually enable any drivers, it only allows you to select 481 which acceleration type (encryption and/or compression) to enable. 482 483if CRYPTO_DEV_NX 484 source "drivers/crypto/nx/Kconfig" 485endif 486 487config CRYPTO_DEV_UX500 488 tristate "Driver for ST-Ericsson UX500 crypto hardware acceleration" 489 depends on ARCH_U8500 490 help 491 Driver for ST-Ericsson UX500 crypto engine. 492 493if CRYPTO_DEV_UX500 494 source "drivers/crypto/ux500/Kconfig" 495endif # if CRYPTO_DEV_UX500 496 497config CRYPTO_DEV_ATMEL_AUTHENC 498 bool "Support for Atmel IPSEC/SSL hw accelerator" 499 depends on ARCH_AT91 || COMPILE_TEST 500 depends on CRYPTO_DEV_ATMEL_AES 501 help 502 Some Atmel processors can combine the AES and SHA hw accelerators 503 to enhance support of IPSEC/SSL. 504 Select this if you want to use the Atmel modules for 505 authenc(hmac(shaX),Y(cbc)) algorithms. 506 507config CRYPTO_DEV_ATMEL_AES 508 tristate "Support for Atmel AES hw accelerator" 509 depends on ARCH_AT91 || COMPILE_TEST 510 select CRYPTO_AES 511 select CRYPTO_AEAD 512 select CRYPTO_SKCIPHER 513 select CRYPTO_AUTHENC if CRYPTO_DEV_ATMEL_AUTHENC 514 select CRYPTO_DEV_ATMEL_SHA if CRYPTO_DEV_ATMEL_AUTHENC 515 help 516 Some Atmel processors have AES hw accelerator. 517 Select this if you want to use the Atmel module for 518 AES algorithms. 519 520 To compile this driver as a module, choose M here: the module 521 will be called atmel-aes. 522 523config CRYPTO_DEV_ATMEL_TDES 524 tristate "Support for Atmel DES/TDES hw accelerator" 525 depends on ARCH_AT91 || COMPILE_TEST 526 select CRYPTO_LIB_DES 527 select CRYPTO_SKCIPHER 528 help 529 Some Atmel processors have DES/TDES hw accelerator. 530 Select this if you want to use the Atmel module for 531 DES/TDES algorithms. 532 533 To compile this driver as a module, choose M here: the module 534 will be called atmel-tdes. 535 536config CRYPTO_DEV_ATMEL_SHA 537 tristate "Support for Atmel SHA hw accelerator" 538 depends on ARCH_AT91 || COMPILE_TEST 539 select CRYPTO_HASH 540 help 541 Some Atmel processors have SHA1/SHA224/SHA256/SHA384/SHA512 542 hw accelerator. 543 Select this if you want to use the Atmel module for 544 SHA1/SHA224/SHA256/SHA384/SHA512 algorithms. 545 546 To compile this driver as a module, choose M here: the module 547 will be called atmel-sha. 548 549config CRYPTO_DEV_ATMEL_I2C 550 tristate 551 552config CRYPTO_DEV_ATMEL_ECC 553 tristate "Support for Microchip / Atmel ECC hw accelerator" 554 depends on I2C 555 select CRYPTO_DEV_ATMEL_I2C 556 select CRYPTO_ECDH 557 select CRC16 558 help 559 Microhip / Atmel ECC hw accelerator. 560 Select this if you want to use the Microchip / Atmel module for 561 ECDH algorithm. 562 563 To compile this driver as a module, choose M here: the module 564 will be called atmel-ecc. 565 566config CRYPTO_DEV_ATMEL_SHA204A 567 tristate "Support for Microchip / Atmel SHA accelerator and RNG" 568 depends on I2C 569 select CRYPTO_DEV_ATMEL_I2C 570 select HW_RANDOM 571 select CRC16 572 help 573 Microhip / Atmel SHA accelerator and RNG. 574 Select this if you want to use the Microchip / Atmel SHA204A 575 module as a random number generator. (Other functions of the 576 chip are currently not exposed by this driver) 577 578 To compile this driver as a module, choose M here: the module 579 will be called atmel-sha204a. 580 581config CRYPTO_DEV_CCP 582 bool "Support for AMD Secure Processor" 583 depends on ((X86 && PCI) || (ARM64 && (OF_ADDRESS || ACPI))) && HAS_IOMEM 584 help 585 The AMD Secure Processor provides support for the Cryptographic Coprocessor 586 (CCP) and the Platform Security Processor (PSP) devices. 587 588if CRYPTO_DEV_CCP 589 source "drivers/crypto/ccp/Kconfig" 590endif 591 592config CRYPTO_DEV_MXS_DCP 593 tristate "Support for Freescale MXS DCP" 594 depends on (ARCH_MXS || ARCH_MXC) 595 select STMP_DEVICE 596 select CRYPTO_CBC 597 select CRYPTO_ECB 598 select CRYPTO_AES 599 select CRYPTO_SKCIPHER 600 select CRYPTO_HASH 601 help 602 The Freescale i.MX23/i.MX28 has SHA1/SHA256 and AES128 CBC/ECB 603 co-processor on the die. 604 605 To compile this driver as a module, choose M here: the module 606 will be called mxs-dcp. 607 608source "drivers/crypto/qat/Kconfig" 609source "drivers/crypto/cavium/cpt/Kconfig" 610source "drivers/crypto/cavium/nitrox/Kconfig" 611source "drivers/crypto/marvell/Kconfig" 612 613config CRYPTO_DEV_CAVIUM_ZIP 614 tristate "Cavium ZIP driver" 615 depends on PCI && 64BIT && (ARM64 || COMPILE_TEST) 616 help 617 Select this option if you want to enable compression/decompression 618 acceleration on Cavium's ARM based SoCs 619 620config CRYPTO_DEV_QCE 621 tristate "Qualcomm crypto engine accelerator" 622 depends on ARCH_QCOM || COMPILE_TEST 623 depends on HAS_IOMEM 624 help 625 This driver supports Qualcomm crypto engine accelerator 626 hardware. To compile this driver as a module, choose M here. The 627 module will be called qcrypto. 628 629config CRYPTO_DEV_QCE_SKCIPHER 630 bool 631 depends on CRYPTO_DEV_QCE 632 select CRYPTO_AES 633 select CRYPTO_LIB_DES 634 select CRYPTO_ECB 635 select CRYPTO_CBC 636 select CRYPTO_XTS 637 select CRYPTO_CTR 638 select CRYPTO_SKCIPHER 639 640config CRYPTO_DEV_QCE_SHA 641 bool 642 depends on CRYPTO_DEV_QCE 643 select CRYPTO_SHA1 644 select CRYPTO_SHA256 645 646choice 647 prompt "Algorithms enabled for QCE acceleration" 648 default CRYPTO_DEV_QCE_ENABLE_ALL 649 depends on CRYPTO_DEV_QCE 650 help 651 This option allows to choose whether to build support for all algorihtms 652 (default), hashes-only, or skciphers-only. 653 654 The QCE engine does not appear to scale as well as the CPU to handle 655 multiple crypto requests. While the ipq40xx chips have 4-core CPUs, the 656 QCE handles only 2 requests in parallel. 657 658 Ipsec throughput seems to improve when disabling either family of 659 algorithms, sharing the load with the CPU. Enabling skciphers-only 660 appears to work best. 661 662 config CRYPTO_DEV_QCE_ENABLE_ALL 663 bool "All supported algorithms" 664 select CRYPTO_DEV_QCE_SKCIPHER 665 select CRYPTO_DEV_QCE_SHA 666 help 667 Enable all supported algorithms: 668 - AES (CBC, CTR, ECB, XTS) 669 - 3DES (CBC, ECB) 670 - DES (CBC, ECB) 671 - SHA1, HMAC-SHA1 672 - SHA256, HMAC-SHA256 673 674 config CRYPTO_DEV_QCE_ENABLE_SKCIPHER 675 bool "Symmetric-key ciphers only" 676 select CRYPTO_DEV_QCE_SKCIPHER 677 help 678 Enable symmetric-key ciphers only: 679 - AES (CBC, CTR, ECB, XTS) 680 - 3DES (ECB, CBC) 681 - DES (ECB, CBC) 682 683 config CRYPTO_DEV_QCE_ENABLE_SHA 684 bool "Hash/HMAC only" 685 select CRYPTO_DEV_QCE_SHA 686 help 687 Enable hashes/HMAC algorithms only: 688 - SHA1, HMAC-SHA1 689 - SHA256, HMAC-SHA256 690 691endchoice 692 693config CRYPTO_DEV_QCE_SW_MAX_LEN 694 int "Default maximum request size to use software for AES" 695 depends on CRYPTO_DEV_QCE && CRYPTO_DEV_QCE_SKCIPHER 696 default 512 697 help 698 This sets the default maximum request size to perform AES requests 699 using software instead of the crypto engine. It can be changed by 700 setting the aes_sw_max_len parameter. 701 702 Small blocks are processed faster in software than hardware. 703 Considering the 256-bit ciphers, software is 2-3 times faster than 704 qce at 256-bytes, 30% faster at 512, and about even at 768-bytes. 705 With 128-bit keys, the break-even point would be around 1024-bytes. 706 707 The default is set a little lower, to 512 bytes, to balance the 708 cost in CPU usage. The minimum recommended setting is 16-bytes 709 (1 AES block), since AES-GCM will fail if you set it lower. 710 Setting this to zero will send all requests to the hardware. 711 712 Note that 192-bit keys are not supported by the hardware and are 713 always processed by the software fallback, and all DES requests 714 are done by the hardware. 715 716config CRYPTO_DEV_QCOM_RNG 717 tristate "Qualcomm Random Number Generator Driver" 718 depends on ARCH_QCOM || COMPILE_TEST 719 select CRYPTO_RNG 720 help 721 This driver provides support for the Random Number 722 Generator hardware found on Qualcomm SoCs. 723 724 To compile this driver as a module, choose M here. The 725 module will be called qcom-rng. If unsure, say N. 726 727config CRYPTO_DEV_VMX 728 bool "Support for VMX cryptographic acceleration instructions" 729 depends on PPC64 && VSX 730 help 731 Support for VMX cryptographic acceleration instructions. 732 733source "drivers/crypto/vmx/Kconfig" 734 735config CRYPTO_DEV_IMGTEC_HASH 736 tristate "Imagination Technologies hardware hash accelerator" 737 depends on MIPS || COMPILE_TEST 738 select CRYPTO_MD5 739 select CRYPTO_SHA1 740 select CRYPTO_SHA256 741 select CRYPTO_HASH 742 help 743 This driver interfaces with the Imagination Technologies 744 hardware hash accelerator. Supporting MD5/SHA1/SHA224/SHA256 745 hashing algorithms. 746 747config CRYPTO_DEV_ROCKCHIP 748 tristate "Rockchip's Cryptographic Engine driver" 749 depends on OF && ARCH_ROCKCHIP 750 select CRYPTO_AES 751 select CRYPTO_LIB_DES 752 select CRYPTO_MD5 753 select CRYPTO_SHA1 754 select CRYPTO_SHA256 755 select CRYPTO_HASH 756 select CRYPTO_SKCIPHER 757 758 help 759 This driver interfaces with the hardware crypto accelerator. 760 Supporting cbc/ecb chainmode, and aes/des/des3_ede cipher mode. 761 762config CRYPTO_DEV_ZYNQMP_AES 763 tristate "Support for Xilinx ZynqMP AES hw accelerator" 764 depends on ZYNQMP_FIRMWARE || COMPILE_TEST 765 select CRYPTO_AES 766 select CRYPTO_ENGINE 767 select CRYPTO_AEAD 768 help 769 Xilinx ZynqMP has AES-GCM engine used for symmetric key 770 encryption and decryption. This driver interfaces with AES hw 771 accelerator. Select this if you want to use the ZynqMP module 772 for AES algorithms. 773 774config CRYPTO_DEV_MEDIATEK 775 tristate "MediaTek's EIP97 Cryptographic Engine driver" 776 depends on (ARM && ARCH_MEDIATEK) || COMPILE_TEST 777 select CRYPTO_LIB_AES 778 select CRYPTO_AEAD 779 select CRYPTO_SKCIPHER 780 select CRYPTO_SHA1 781 select CRYPTO_SHA256 782 select CRYPTO_SHA512 783 select CRYPTO_HMAC 784 help 785 This driver allows you to utilize the hardware crypto accelerator 786 EIP97 which can be found on the MT7623 MT2701, MT8521p, etc .... 787 Select this if you want to use it for AES/SHA1/SHA2 algorithms. 788 789source "drivers/crypto/chelsio/Kconfig" 790 791source "drivers/crypto/virtio/Kconfig" 792 793config CRYPTO_DEV_BCM_SPU 794 tristate "Broadcom symmetric crypto/hash acceleration support" 795 depends on ARCH_BCM_IPROC 796 depends on MAILBOX 797 default m 798 select CRYPTO_AUTHENC 799 select CRYPTO_LIB_DES 800 select CRYPTO_MD5 801 select CRYPTO_SHA1 802 select CRYPTO_SHA256 803 select CRYPTO_SHA512 804 help 805 This driver provides support for Broadcom crypto acceleration using the 806 Secure Processing Unit (SPU). The SPU driver registers skcipher, 807 ahash, and aead algorithms with the kernel cryptographic API. 808 809source "drivers/crypto/stm32/Kconfig" 810 811config CRYPTO_DEV_SAFEXCEL 812 tristate "Inside Secure's SafeXcel cryptographic engine driver" 813 depends on (OF || PCI || COMPILE_TEST) && HAS_IOMEM 814 select CRYPTO_LIB_AES 815 select CRYPTO_AUTHENC 816 select CRYPTO_SKCIPHER 817 select CRYPTO_LIB_DES 818 select CRYPTO_HASH 819 select CRYPTO_HMAC 820 select CRYPTO_MD5 821 select CRYPTO_SHA1 822 select CRYPTO_SHA256 823 select CRYPTO_SHA512 824 select CRYPTO_CHACHA20POLY1305 825 select CRYPTO_SHA3 826 help 827 This driver interfaces with the SafeXcel EIP-97 and EIP-197 cryptographic 828 engines designed by Inside Secure. It currently accelerates DES, 3DES and 829 AES block ciphers in ECB and CBC mode, as well as SHA1, SHA224, SHA256, 830 SHA384 and SHA512 hash algorithms for both basic hash and HMAC. 831 Additionally, it accelerates combined AES-CBC/HMAC-SHA AEAD operations. 832 833config CRYPTO_DEV_ARTPEC6 834 tristate "Support for Axis ARTPEC-6/7 hardware crypto acceleration." 835 depends on ARM && (ARCH_ARTPEC || COMPILE_TEST) 836 depends on OF 837 select CRYPTO_AEAD 838 select CRYPTO_AES 839 select CRYPTO_ALGAPI 840 select CRYPTO_SKCIPHER 841 select CRYPTO_CTR 842 select CRYPTO_HASH 843 select CRYPTO_SHA1 844 select CRYPTO_SHA256 845 select CRYPTO_SHA512 846 help 847 Enables the driver for the on-chip crypto accelerator 848 of Axis ARTPEC SoCs. 849 850 To compile this driver as a module, choose M here. 851 852config CRYPTO_DEV_CCREE 853 tristate "Support for ARM TrustZone CryptoCell family of security processors" 854 depends on CRYPTO && CRYPTO_HW && OF && HAS_DMA 855 default n 856 select CRYPTO_HASH 857 select CRYPTO_SKCIPHER 858 select CRYPTO_LIB_DES 859 select CRYPTO_AEAD 860 select CRYPTO_AUTHENC 861 select CRYPTO_SHA1 862 select CRYPTO_MD5 863 select CRYPTO_SHA256 864 select CRYPTO_SHA512 865 select CRYPTO_HMAC 866 select CRYPTO_AES 867 select CRYPTO_CBC 868 select CRYPTO_ECB 869 select CRYPTO_CTR 870 select CRYPTO_XTS 871 select CRYPTO_SM4 872 select CRYPTO_SM3 873 help 874 Say 'Y' to enable a driver for the REE interface of the Arm 875 TrustZone CryptoCell family of processors. Currently the 876 CryptoCell 713, 703, 712, 710 and 630 are supported. 877 Choose this if you wish to use hardware acceleration of 878 cryptographic operations on the system REE. 879 If unsure say Y. 880 881source "drivers/crypto/hisilicon/Kconfig" 882 883source "drivers/crypto/amlogic/Kconfig" 884 885config CRYPTO_DEV_SA2UL 886 tristate "Support for TI security accelerator" 887 depends on ARCH_K3 || COMPILE_TEST 888 select ARM64_CRYPTO 889 select CRYPTO_AES 890 select CRYPTO_AES_ARM64 891 select CRYPTO_ALGAPI 892 select CRYPTO_AUTHENC 893 select CRYPTO_SHA1 894 select CRYPTO_SHA256 895 select CRYPTO_SHA512 896 select HW_RANDOM 897 select SG_SPLIT 898 help 899 K3 devices include a security accelerator engine that may be 900 used for crypto offload. Select this if you want to use hardware 901 acceleration for cryptographic algorithms on these devices. 902 903endif # CRYPTO_HW 904