| Kconfig (3f342a23257df99b792c1edb1236e85badc157de) | Kconfig (cf514b2a5902ee4f93e9636ace5228fed27f23bb) |
|---|---|
| 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 --- 130 unchanged lines hidden (view full) --- 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 | 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 --- 130 unchanged lines hidden (view full) --- 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" | 147 tristate "Ciphers: AES" |
| 148 select CRYPTO_ALGAPI 149 select CRYPTO_AES 150 help | 148 select CRYPTO_ALGAPI 149 select CRYPTO_AES 150 help |
| 151 Use optimized AES assembler routines for ARM platforms. | 151 Block ciphers: AES cipher algorithms (FIPS-197) |
| 152 | 152 |
| 153 Architecture: arm 154 |
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| 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 | 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 |
| 163 tristate "Bit sliced AES using NEON instructions" | 165 tristate "Ciphers: AES, modes: ECB/CBC/CTR/XTS (bit-sliced NEON)" |
| 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 | 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 |
| 171 Use a faster and more secure NEON based implementation of AES in CBC, 172 CTR and XTS modes | 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) |
| 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 | 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 |
| 181 tristate "Accelerated AES using ARMv8 Crypto Extensions" | 188 tristate "Ciphers: AES, modes: ECB/CBC/CTS/CTR/XTS (ARMv8 Crypto Extensions)" |
| 182 depends on KERNEL_MODE_NEON 183 select CRYPTO_SKCIPHER 184 select CRYPTO_LIB_AES 185 select CRYPTO_SIMD 186 help | 189 depends on KERNEL_MODE_NEON 190 select CRYPTO_SKCIPHER 191 select CRYPTO_LIB_AES 192 select CRYPTO_SIMD 193 help |
| 187 Use an implementation of AES in CBC, CTR and XTS modes that uses 188 ARMv8 Crypto Extensions | 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) |
| 189 | 202 |
| 203 Architecture: arm using: 204 - ARMv8 Crypto Extensions 205 |
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| 190config CRYPTO_CHACHA20_NEON | 206config CRYPTO_CHACHA20_NEON |
| 191 tristate "NEON and scalar accelerated ChaCha stream cipher algorithms" | 207 tristate "Ciphers: ChaCha20, XChaCha20, XChaCha12 (NEON)" |
| 192 select CRYPTO_SKCIPHER 193 select CRYPTO_ARCH_HAVE_LIB_CHACHA | 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 |
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| 194 | 213 |
| 214 Architecture: arm using: 215 - NEON (Advanced SIMD) extensions 216 |
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| 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) --- 19 unchanged lines hidden --- | 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) --- 19 unchanged lines hidden --- |