1# SPDX-License-Identifier: GPL-2.0 2 3menu "Accelerated Cryptographic Algorithms for CPU (arm)" 4 5config CRYPTO_CURVE25519_NEON 6 tristate "Public key crypto: Curve25519 (NEON)" 7 depends on KERNEL_MODE_NEON 8 select CRYPTO_LIB_CURVE25519_GENERIC 9 select CRYPTO_ARCH_HAVE_LIB_CURVE25519 10 help 11 Curve25519 algorithm 12 13 Architecture: arm with 14 - NEON (Advanced SIMD) extensions 15 16config CRYPTO_GHASH_ARM_CE 17 tristate "Hash functions: GHASH (PMULL/NEON/ARMv8 Crypto Extensions)" 18 depends on KERNEL_MODE_NEON 19 select CRYPTO_HASH 20 select CRYPTO_CRYPTD 21 select CRYPTO_GF128MUL 22 help 23 GCM GHASH function (NIST SP800-38D) 24 25 Architecture: arm using 26 - PMULL (Polynomial Multiply Long) instructions 27 - NEON (Advanced SIMD) extensions 28 - ARMv8 Crypto Extensions 29 30 Use an implementation of GHASH (used by the GCM AEAD chaining mode) 31 that uses the 64x64 to 128 bit polynomial multiplication (vmull.p64) 32 that is part of the ARMv8 Crypto Extensions, or a slower variant that 33 uses the vmull.p8 instruction that is part of the basic NEON ISA. 34 35config CRYPTO_NHPOLY1305_NEON 36 tristate "Hash functions: NHPoly1305 (NEON)" 37 depends on KERNEL_MODE_NEON 38 select CRYPTO_NHPOLY1305 39 help 40 NHPoly1305 hash function (Adiantum) 41 42 Architecture: arm using: 43 - NEON (Advanced SIMD) extensions 44 45config CRYPTO_POLY1305_ARM 46 tristate "Hash functions: Poly1305 (NEON)" 47 select CRYPTO_HASH 48 select CRYPTO_ARCH_HAVE_LIB_POLY1305 49 help 50 Poly1305 authenticator algorithm (RFC7539) 51 52 Architecture: arm optionally using 53 - NEON (Advanced SIMD) extensions 54 55config CRYPTO_BLAKE2S_ARM 56 bool "Hash functions: BLAKE2s" 57 select CRYPTO_ARCH_HAVE_LIB_BLAKE2S 58 help 59 BLAKE2s cryptographic hash function (RFC 7693) 60 61 Architecture: arm 62 63 This is faster than the generic implementations of BLAKE2s and 64 BLAKE2b, but slower than the NEON implementation of BLAKE2b. 65 There is no NEON implementation of BLAKE2s, since NEON doesn't 66 really help with it. 67 68config CRYPTO_BLAKE2B_NEON 69 tristate "Hash functions: BLAKE2b (NEON)" 70 depends on KERNEL_MODE_NEON 71 select CRYPTO_BLAKE2B 72 help 73 BLAKE2b cryptographic hash function (RFC 7693) 74 75 Architecture: arm using 76 - NEON (Advanced SIMD) extensions 77 78 BLAKE2b digest algorithm optimized with ARM NEON instructions. 79 On ARM processors that have NEON support but not the ARMv8 80 Crypto Extensions, typically this BLAKE2b implementation is 81 much faster than the SHA-2 family and slightly faster than 82 SHA-1. 83 84config CRYPTO_SHA1_ARM 85 tristate "Hash functions: SHA-1" 86 select CRYPTO_SHA1 87 select CRYPTO_HASH 88 help 89 SHA-1 secure hash algorithm (FIPS 180) 90 91 Architecture: arm 92 93config CRYPTO_SHA1_ARM_NEON 94 tristate "Hash functions: SHA-1 (NEON)" 95 depends on KERNEL_MODE_NEON 96 select CRYPTO_SHA1_ARM 97 select CRYPTO_SHA1 98 select CRYPTO_HASH 99 help 100 SHA-1 secure hash algorithm (FIPS 180) 101 102 Architecture: arm using 103 - NEON (Advanced SIMD) extensions 104 105config CRYPTO_SHA1_ARM_CE 106 tristate "Hash functions: SHA-1 (ARMv8 Crypto Extensions)" 107 depends on KERNEL_MODE_NEON 108 select CRYPTO_SHA1_ARM 109 select CRYPTO_HASH 110 help 111 SHA-1 secure hash algorithm (FIPS 180) 112 113 Architecture: arm using ARMv8 Crypto Extensions 114 115config CRYPTO_SHA2_ARM_CE 116 tristate "Hash functions: SHA-224 and SHA-256 (ARMv8 Crypto Extensions)" 117 depends on KERNEL_MODE_NEON 118 select CRYPTO_SHA256_ARM 119 select CRYPTO_HASH 120 help 121 SHA-224 and SHA-256 secure hash algorithms (FIPS 180) 122 123 Architecture: arm using 124 - ARMv8 Crypto Extensions 125 126config CRYPTO_SHA256_ARM 127 tristate "Hash functions: SHA-224 and SHA-256 (NEON)" 128 select CRYPTO_HASH 129 depends on !CPU_V7M 130 help 131 SHA-224 and SHA-256 secure hash algorithms (FIPS 180) 132 133 Architecture: arm using 134 - NEON (Advanced SIMD) extensions 135 136config CRYPTO_SHA512_ARM 137 tristate "Hash functions: SHA-384 and SHA-512 (NEON)" 138 select CRYPTO_HASH 139 depends on !CPU_V7M 140 help 141 SHA-384 and SHA-512 secure hash algorithms (FIPS 180) 142 143 Architecture: arm using 144 - NEON (Advanced SIMD) extensions 145 146config CRYPTO_AES_ARM 147 tristate "Scalar AES cipher for ARM" 148 select CRYPTO_ALGAPI 149 select CRYPTO_AES 150 help 151 Use optimized AES assembler routines for ARM platforms. 152 153 On ARM processors without the Crypto Extensions, this is the 154 fastest AES implementation for single blocks. For multiple 155 blocks, the NEON bit-sliced implementation is usually faster. 156 157 This implementation may be vulnerable to cache timing attacks, 158 since it uses lookup tables. However, as countermeasures it 159 disables IRQs and preloads the tables; it is hoped this makes 160 such attacks very difficult. 161 162config CRYPTO_AES_ARM_BS 163 tristate "Bit sliced AES using NEON instructions" 164 depends on KERNEL_MODE_NEON 165 select CRYPTO_SKCIPHER 166 select CRYPTO_LIB_AES 167 select CRYPTO_AES 168 select CRYPTO_CBC 169 select CRYPTO_SIMD 170 help 171 Use a faster and more secure NEON based implementation of AES in CBC, 172 CTR and XTS modes 173 174 Bit sliced AES gives around 45% speedup on Cortex-A15 for CTR mode 175 and for XTS mode encryption, CBC and XTS mode decryption speedup is 176 around 25%. (CBC encryption speed is not affected by this driver.) 177 This implementation does not rely on any lookup tables so it is 178 believed to be invulnerable to cache timing attacks. 179 180config CRYPTO_AES_ARM_CE 181 tristate "Accelerated AES using ARMv8 Crypto Extensions" 182 depends on KERNEL_MODE_NEON 183 select CRYPTO_SKCIPHER 184 select CRYPTO_LIB_AES 185 select CRYPTO_SIMD 186 help 187 Use an implementation of AES in CBC, CTR and XTS modes that uses 188 ARMv8 Crypto Extensions 189 190config CRYPTO_CHACHA20_NEON 191 tristate "NEON and scalar accelerated ChaCha stream cipher algorithms" 192 select CRYPTO_SKCIPHER 193 select CRYPTO_ARCH_HAVE_LIB_CHACHA 194 195config CRYPTO_CRC32_ARM_CE 196 tristate "CRC32C and CRC32" 197 depends on KERNEL_MODE_NEON 198 depends on CRC32 199 select CRYPTO_HASH 200 help 201 CRC32c CRC algorithm with the iSCSI polynomial (RFC 3385 and RFC 3720) 202 and CRC32 CRC algorithm (IEEE 802.3) 203 204 Architecture: arm using: 205 - CRC and/or PMULL instructions 206 207 Drivers: crc32-arm-ce and crc32c-arm-ce 208 209config CRYPTO_CRCT10DIF_ARM_CE 210 tristate "CRCT10DIF" 211 depends on KERNEL_MODE_NEON 212 depends on CRC_T10DIF 213 select CRYPTO_HASH 214 help 215 CRC16 CRC algorithm used for the T10 (SCSI) Data Integrity Field (DIF) 216 217 Architecture: arm using: 218 - PMULL (Polynomial Multiply Long) instructions 219 220endmenu 221 222