1 2menuconfig ARM_CRYPTO 3 bool "ARM Accelerated Cryptographic Algorithms" 4 depends on ARM 5 help 6 Say Y here to choose from a selection of cryptographic algorithms 7 implemented using ARM specific CPU features or instructions. 8 9if ARM_CRYPTO 10 11config CRYPTO_SHA1_ARM 12 tristate "SHA1 digest algorithm (ARM-asm)" 13 select CRYPTO_SHA1 14 select CRYPTO_HASH 15 help 16 SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented 17 using optimized ARM assembler. 18 19config CRYPTO_SHA1_ARM_NEON 20 tristate "SHA1 digest algorithm (ARM NEON)" 21 depends on KERNEL_MODE_NEON 22 select CRYPTO_SHA1_ARM 23 select CRYPTO_SHA1 24 select CRYPTO_HASH 25 help 26 SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented 27 using optimized ARM NEON assembly, when NEON instructions are 28 available. 29 30config CRYPTO_SHA1_ARM_CE 31 tristate "SHA1 digest algorithm (ARM v8 Crypto Extensions)" 32 depends on KERNEL_MODE_NEON 33 select CRYPTO_SHA1_ARM 34 select CRYPTO_HASH 35 help 36 SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented 37 using special ARMv8 Crypto Extensions. 38 39config CRYPTO_SHA2_ARM_CE 40 tristate "SHA-224/256 digest algorithm (ARM v8 Crypto Extensions)" 41 depends on KERNEL_MODE_NEON 42 select CRYPTO_SHA256_ARM 43 select CRYPTO_HASH 44 help 45 SHA-256 secure hash standard (DFIPS 180-2) implemented 46 using special ARMv8 Crypto Extensions. 47 48config CRYPTO_SHA256_ARM 49 tristate "SHA-224/256 digest algorithm (ARM-asm and NEON)" 50 select CRYPTO_HASH 51 depends on !CPU_V7M 52 help 53 SHA-256 secure hash standard (DFIPS 180-2) implemented 54 using optimized ARM assembler and NEON, when available. 55 56config CRYPTO_SHA512_ARM 57 tristate "SHA-384/512 digest algorithm (ARM-asm and NEON)" 58 select CRYPTO_HASH 59 depends on !CPU_V7M 60 help 61 SHA-512 secure hash standard (DFIPS 180-2) implemented 62 using optimized ARM assembler and NEON, when available. 63 64config CRYPTO_AES_ARM 65 tristate "Scalar AES cipher for ARM" 66 select CRYPTO_ALGAPI 67 select CRYPTO_AES 68 help 69 Use optimized AES assembler routines for ARM platforms. 70 71config CRYPTO_AES_ARM_BS 72 tristate "Bit sliced AES using NEON instructions" 73 depends on KERNEL_MODE_NEON 74 select CRYPTO_BLKCIPHER 75 select CRYPTO_SIMD 76 select CRYPTO_AES 77 help 78 Use a faster and more secure NEON based implementation of AES in CBC, 79 CTR and XTS modes 80 81 Bit sliced AES gives around 45% speedup on Cortex-A15 for CTR mode 82 and for XTS mode encryption, CBC and XTS mode decryption speedup is 83 around 25%. (CBC encryption speed is not affected by this driver.) 84 This implementation does not rely on any lookup tables so it is 85 believed to be invulnerable to cache timing attacks. 86 87config CRYPTO_AES_ARM_CE 88 tristate "Accelerated AES using ARMv8 Crypto Extensions" 89 depends on KERNEL_MODE_NEON 90 select CRYPTO_BLKCIPHER 91 select CRYPTO_SIMD 92 help 93 Use an implementation of AES in CBC, CTR and XTS modes that uses 94 ARMv8 Crypto Extensions 95 96config CRYPTO_GHASH_ARM_CE 97 tristate "PMULL-accelerated GHASH using ARMv8 Crypto Extensions" 98 depends on KERNEL_MODE_NEON 99 select CRYPTO_HASH 100 select CRYPTO_CRYPTD 101 help 102 Use an implementation of GHASH (used by the GCM AEAD chaining mode) 103 that uses the 64x64 to 128 bit polynomial multiplication (vmull.p64) 104 that is part of the ARMv8 Crypto Extensions 105 106config CRYPTO_CRCT10DIF_ARM_CE 107 tristate "CRCT10DIF digest algorithm using PMULL instructions" 108 depends on KERNEL_MODE_NEON && CRC_T10DIF 109 select CRYPTO_HASH 110 111config CRYPTO_CRC32_ARM_CE 112 tristate "CRC32(C) digest algorithm using CRC and/or PMULL instructions" 113 depends on KERNEL_MODE_NEON && CRC32 114 select CRYPTO_HASH 115 116config CRYPTO_CHACHA20_NEON 117 tristate "NEON accelerated ChaCha20 symmetric cipher" 118 depends on KERNEL_MODE_NEON 119 select CRYPTO_BLKCIPHER 120 select CRYPTO_CHACHA20 121 122endif 123