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_LIB_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 "Ciphers: AES" 148 select CRYPTO_ALGAPI 149 select CRYPTO_AES 150 help 151 Block ciphers: AES cipher algorithms (FIPS-197) 152 153 Architecture: arm 154 155 On ARM processors without the Crypto Extensions, this is the 156 fastest AES implementation for single blocks. For multiple 157 blocks, the NEON bit-sliced implementation is usually faster. 158 159 This implementation may be vulnerable to cache timing attacks, 160 since it uses lookup tables. However, as countermeasures it 161 disables IRQs and preloads the tables; it is hoped this makes 162 such attacks very difficult. 163 164config CRYPTO_AES_ARM_BS 165 tristate "Ciphers: AES, modes: ECB/CBC/CTR/XTS (bit-sliced NEON)" 166 depends on KERNEL_MODE_NEON 167 select CRYPTO_SKCIPHER 168 select CRYPTO_LIB_AES 169 select CRYPTO_AES 170 select CRYPTO_CBC 171 select CRYPTO_SIMD 172 help 173 Length-preserving ciphers: AES cipher algorithms (FIPS-197) 174 with block cipher modes: 175 - ECB (Electronic Codebook) mode (NIST SP800-38A) 176 - CBC (Cipher Block Chaining) mode (NIST SP800-38A) 177 - CTR (Counter) mode (NIST SP800-38A) 178 - XTS (XOR Encrypt XOR with ciphertext stealing) mode (NIST SP800-38E 179 and IEEE 1619) 180 181 Bit sliced AES gives around 45% speedup on Cortex-A15 for CTR mode 182 and for XTS mode encryption, CBC and XTS mode decryption speedup is 183 around 25%. (CBC encryption speed is not affected by this driver.) 184 This implementation does not rely on any lookup tables so it is 185 believed to be invulnerable to cache timing attacks. 186 187config CRYPTO_AES_ARM_CE 188 tristate "Ciphers: AES, modes: ECB/CBC/CTS/CTR/XTS (ARMv8 Crypto Extensions)" 189 depends on KERNEL_MODE_NEON 190 select CRYPTO_SKCIPHER 191 select CRYPTO_LIB_AES 192 select CRYPTO_SIMD 193 help 194 Length-preserving ciphers: AES cipher algorithms (FIPS-197) 195 with block cipher modes: 196 - ECB (Electronic Codebook) mode (NIST SP800-38A) 197 - CBC (Cipher Block Chaining) mode (NIST SP800-38A) 198 - CTR (Counter) mode (NIST SP800-38A) 199 - CTS (Cipher Text Stealing) mode (NIST SP800-38A) 200 - XTS (XOR Encrypt XOR with ciphertext stealing) mode (NIST SP800-38E 201 and IEEE 1619) 202 203 Architecture: arm using: 204 - ARMv8 Crypto Extensions 205 206config CRYPTO_CHACHA20_NEON 207 tristate "Ciphers: ChaCha20, XChaCha20, XChaCha12 (NEON)" 208 select CRYPTO_SKCIPHER 209 select CRYPTO_ARCH_HAVE_LIB_CHACHA 210 help 211 Length-preserving ciphers: ChaCha20, XChaCha20, and XChaCha12 212 stream cipher algorithms 213 214 Architecture: arm using: 215 - NEON (Advanced SIMD) extensions 216 217config CRYPTO_CRC32_ARM_CE 218 tristate "CRC32C and CRC32" 219 depends on KERNEL_MODE_NEON 220 depends on CRC32 221 select CRYPTO_HASH 222 help 223 CRC32c CRC algorithm with the iSCSI polynomial (RFC 3385 and RFC 3720) 224 and CRC32 CRC algorithm (IEEE 802.3) 225 226 Architecture: arm using: 227 - CRC and/or PMULL instructions 228 229 Drivers: crc32-arm-ce and crc32c-arm-ce 230 231config CRYPTO_CRCT10DIF_ARM_CE 232 tristate "CRCT10DIF" 233 depends on KERNEL_MODE_NEON 234 depends on CRC_T10DIF 235 select CRYPTO_HASH 236 help 237 CRC16 CRC algorithm used for the T10 (SCSI) Data Integrity Field (DIF) 238 239 Architecture: arm using: 240 - PMULL (Polynomial Multiply Long) instructions 241 242endmenu 243 244