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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | # SPDX-License-Identifier: GPL-2.0 menuconfig ARM_CRYPTO bool "ARM Accelerated Cryptographic Algorithms" depends on ARM help Say Y here to choose from a selection of cryptographic algorithms implemented using ARM specific CPU features or instructions. if ARM_CRYPTO config CRYPTO_SHA1_ARM tristate "SHA1 digest algorithm (ARM-asm)" select CRYPTO_SHA1 select CRYPTO_HASH help SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented using optimized ARM assembler. config CRYPTO_SHA1_ARM_NEON tristate "SHA1 digest algorithm (ARM NEON)" depends on KERNEL_MODE_NEON select CRYPTO_SHA1_ARM select CRYPTO_SHA1 select CRYPTO_HASH help SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented using optimized ARM NEON assembly, when NEON instructions are available. config CRYPTO_SHA1_ARM_CE tristate "SHA1 digest algorithm (ARM v8 Crypto Extensions)" depends on KERNEL_MODE_NEON && (CC_IS_CLANG || GCC_VERSION >= 40800) select CRYPTO_SHA1_ARM select CRYPTO_HASH help SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented using special ARMv8 Crypto Extensions. config CRYPTO_SHA2_ARM_CE tristate "SHA-224/256 digest algorithm (ARM v8 Crypto Extensions)" depends on KERNEL_MODE_NEON && (CC_IS_CLANG || GCC_VERSION >= 40800) select CRYPTO_SHA256_ARM select CRYPTO_HASH help SHA-256 secure hash standard (DFIPS 180-2) implemented using special ARMv8 Crypto Extensions. config CRYPTO_SHA256_ARM tristate "SHA-224/256 digest algorithm (ARM-asm and NEON)" select CRYPTO_HASH depends on !CPU_V7M help SHA-256 secure hash standard (DFIPS 180-2) implemented using optimized ARM assembler and NEON, when available. config CRYPTO_SHA512_ARM tristate "SHA-384/512 digest algorithm (ARM-asm and NEON)" select CRYPTO_HASH depends on !CPU_V7M help SHA-512 secure hash standard (DFIPS 180-2) implemented using optimized ARM assembler and NEON, when available. config CRYPTO_AES_ARM tristate "Scalar AES cipher for ARM" select CRYPTO_ALGAPI select CRYPTO_AES help Use optimized AES assembler routines for ARM platforms. On ARM processors without the Crypto Extensions, this is the fastest AES implementation for single blocks. For multiple blocks, the NEON bit-sliced implementation is usually faster. This implementation may be vulnerable to cache timing attacks, since it uses lookup tables. However, as countermeasures it disables IRQs and preloads the tables; it is hoped this makes such attacks very difficult. config CRYPTO_AES_ARM_BS tristate "Bit sliced AES using NEON instructions" depends on KERNEL_MODE_NEON select CRYPTO_BLKCIPHER select CRYPTO_LIB_AES select CRYPTO_SIMD help Use a faster and more secure NEON based implementation of AES in CBC, CTR and XTS modes Bit sliced AES gives around 45% speedup on Cortex-A15 for CTR mode and for XTS mode encryption, CBC and XTS mode decryption speedup is around 25%. (CBC encryption speed is not affected by this driver.) This implementation does not rely on any lookup tables so it is believed to be invulnerable to cache timing attacks. config CRYPTO_AES_ARM_CE tristate "Accelerated AES using ARMv8 Crypto Extensions" depends on KERNEL_MODE_NEON && (CC_IS_CLANG || GCC_VERSION >= 40800) select CRYPTO_BLKCIPHER select CRYPTO_LIB_AES select CRYPTO_SIMD help Use an implementation of AES in CBC, CTR and XTS modes that uses ARMv8 Crypto Extensions config CRYPTO_GHASH_ARM_CE tristate "PMULL-accelerated GHASH using NEON/ARMv8 Crypto Extensions" depends on KERNEL_MODE_NEON && (CC_IS_CLANG || GCC_VERSION >= 40800) select CRYPTO_HASH select CRYPTO_CRYPTD select CRYPTO_GF128MUL help Use an implementation of GHASH (used by the GCM AEAD chaining mode) that uses the 64x64 to 128 bit polynomial multiplication (vmull.p64) that is part of the ARMv8 Crypto Extensions, or a slower variant that uses the vmull.p8 instruction that is part of the basic NEON ISA. config CRYPTO_CRCT10DIF_ARM_CE tristate "CRCT10DIF digest algorithm using PMULL instructions" depends on KERNEL_MODE_NEON && (CC_IS_CLANG || GCC_VERSION >= 40800) depends on CRC_T10DIF select CRYPTO_HASH config CRYPTO_CRC32_ARM_CE tristate "CRC32(C) digest algorithm using CRC and/or PMULL instructions" depends on KERNEL_MODE_NEON && (CC_IS_CLANG || GCC_VERSION >= 40800) depends on CRC32 select CRYPTO_HASH config CRYPTO_CHACHA20_NEON tristate "NEON accelerated ChaCha stream cipher algorithms" depends on KERNEL_MODE_NEON select CRYPTO_BLKCIPHER select CRYPTO_CHACHA20 config CRYPTO_NHPOLY1305_NEON tristate "NEON accelerated NHPoly1305 hash function (for Adiantum)" depends on KERNEL_MODE_NEON select CRYPTO_NHPOLY1305 endif |