1# SPDX-License-Identifier: GPL-2.0 2 3menu "Accelerated Cryptographic Algorithms for CPU (powerpc)" 4 5config CRYPTO_CURVE25519_PPC64 6 tristate 7 depends on PPC64 && CPU_LITTLE_ENDIAN 8 select CRYPTO_KPP 9 select CRYPTO_LIB_CURVE25519_GENERIC 10 select CRYPTO_ARCH_HAVE_LIB_CURVE25519 11 default CRYPTO_LIB_CURVE25519_INTERNAL 12 help 13 Curve25519 algorithm 14 15 Architecture: PowerPC64 16 - Little-endian 17 18config CRYPTO_MD5_PPC 19 tristate "Digests: MD5" 20 depends on PPC 21 select CRYPTO_HASH 22 help 23 MD5 message digest algorithm (RFC1321) 24 25 Architecture: powerpc 26 27config CRYPTO_SHA1_PPC 28 tristate "Hash functions: SHA-1" 29 depends on PPC 30 help 31 SHA-1 secure hash algorithm (FIPS 180) 32 33 Architecture: powerpc 34 35config CRYPTO_SHA1_PPC_SPE 36 tristate "Hash functions: SHA-1 (SPE)" 37 depends on PPC && SPE 38 help 39 SHA-1 secure hash algorithm (FIPS 180) 40 41 Architecture: powerpc using 42 - SPE (Signal Processing Engine) extensions 43 44config CRYPTO_SHA256_PPC_SPE 45 tristate "Hash functions: SHA-224 and SHA-256 (SPE)" 46 depends on PPC && SPE 47 select CRYPTO_SHA256 48 select CRYPTO_HASH 49 help 50 SHA-224 and SHA-256 secure hash algorithms (FIPS 180) 51 52 Architecture: powerpc using 53 - SPE (Signal Processing Engine) extensions 54 55config CRYPTO_AES_PPC_SPE 56 tristate "Ciphers: AES, modes: ECB/CBC/CTR/XTS (SPE)" 57 depends on PPC && SPE 58 select CRYPTO_SKCIPHER 59 help 60 Block ciphers: AES cipher algorithms (FIPS-197) 61 Length-preserving ciphers: AES with ECB, CBC, CTR, and XTS modes 62 63 Architecture: powerpc using: 64 - SPE (Signal Processing Engine) extensions 65 66 SPE is available for: 67 - Processor Type: Freescale 8500 68 - CPU selection: e500 (8540) 69 70 This module should only be used for low power (router) devices 71 without hardware AES acceleration (e.g. caam crypto). It reduces the 72 size of the AES tables from 16KB to 8KB + 256 bytes and mitigates 73 timining attacks. Nevertheless it might be not as secure as other 74 architecture specific assembler implementations that work on 1KB 75 tables or 256 bytes S-boxes. 76 77config CRYPTO_AES_GCM_P10 78 tristate "Stitched AES/GCM acceleration support on P10 or later CPU (PPC)" 79 depends on PPC64 && CPU_LITTLE_ENDIAN && VSX 80 select CRYPTO_LIB_AES 81 select CRYPTO_ALGAPI 82 select CRYPTO_AEAD 83 select CRYPTO_SKCIPHER 84 select CRYPTO_SIMD 85 help 86 AEAD cipher: AES cipher algorithms (FIPS-197) 87 GCM (Galois/Counter Mode) authenticated encryption mode (NIST SP800-38D) 88 Architecture: powerpc64 using: 89 - little-endian 90 - Power10 or later features 91 92 Support for cryptographic acceleration instructions on Power10 or 93 later CPU. This module supports stitched acceleration for AES/GCM. 94 95config CRYPTO_CHACHA20_P10 96 tristate 97 depends on PPC64 && CPU_LITTLE_ENDIAN && VSX 98 select CRYPTO_LIB_CHACHA_GENERIC 99 select CRYPTO_ARCH_HAVE_LIB_CHACHA 100 default CRYPTO_LIB_CHACHA_INTERNAL 101 102config CRYPTO_POLY1305_P10 103 tristate "Hash functions: Poly1305 (P10 or later)" 104 depends on PPC64 && CPU_LITTLE_ENDIAN && VSX 105 select CRYPTO_HASH 106 select CRYPTO_LIB_POLY1305_GENERIC 107 help 108 Poly1305 authenticator algorithm (RFC7539) 109 110 Architecture: PowerPC64 111 - Power10 or later 112 - Little-endian 113 114config CRYPTO_DEV_VMX 115 bool "Support for VMX cryptographic acceleration instructions" 116 depends on PPC64 && VSX 117 help 118 Support for VMX cryptographic acceleration instructions. 119 120config CRYPTO_DEV_VMX_ENCRYPT 121 tristate "Encryption acceleration support on P8 CPU" 122 depends on CRYPTO_DEV_VMX 123 select CRYPTO_AES 124 select CRYPTO_CBC 125 select CRYPTO_CTR 126 select CRYPTO_GHASH 127 select CRYPTO_XTS 128 default m 129 help 130 Support for VMX cryptographic acceleration instructions on Power8 CPU. 131 This module supports acceleration for AES and GHASH in hardware. If you 132 choose 'M' here, this module will be called vmx-crypto. 133 134endmenu 135