16a490a4eSRobert Elliott# SPDX-License-Identifier: GPL-2.0 26a490a4eSRobert Elliott 36a490a4eSRobert Elliottmenu "Accelerated Cryptographic Algorithms for CPU (powerpc)" 46a490a4eSRobert Elliott 5b42519dbSDanny Tsenconfig CRYPTO_CURVE25519_PPC64 617ec3e71SHerbert Xu tristate 7b42519dbSDanny Tsen depends on PPC64 && CPU_LITTLE_ENDIAN 817ec3e71SHerbert Xu select CRYPTO_KPP 9b42519dbSDanny Tsen select CRYPTO_LIB_CURVE25519_GENERIC 1017ec3e71SHerbert Xu select CRYPTO_ARCH_HAVE_LIB_CURVE25519 1117ec3e71SHerbert Xu default CRYPTO_LIB_CURVE25519_INTERNAL 12b42519dbSDanny Tsen help 13b42519dbSDanny Tsen Curve25519 algorithm 14b42519dbSDanny Tsen 15b42519dbSDanny Tsen Architecture: PowerPC64 16b42519dbSDanny Tsen - Little-endian 17b42519dbSDanny Tsen 186a490a4eSRobert Elliottconfig CRYPTO_MD5_PPC 193f342a23SRobert Elliott tristate "Digests: MD5" 206a490a4eSRobert Elliott select CRYPTO_HASH 216a490a4eSRobert Elliott help 223f342a23SRobert Elliott MD5 message digest algorithm (RFC1321) 233f342a23SRobert Elliott 243f342a23SRobert Elliott Architecture: powerpc 256a490a4eSRobert Elliott 266a490a4eSRobert Elliottconfig CRYPTO_AES_PPC_SPE 27cf514b2aSRobert Elliott tristate "Ciphers: AES, modes: ECB/CBC/CTR/XTS (SPE)" 28*d58a46dfSEric Biggers depends on SPE 296a490a4eSRobert Elliott select CRYPTO_SKCIPHER 306a490a4eSRobert Elliott help 31cf514b2aSRobert Elliott Block ciphers: AES cipher algorithms (FIPS-197) 32cf514b2aSRobert Elliott Length-preserving ciphers: AES with ECB, CBC, CTR, and XTS modes 33cf514b2aSRobert Elliott 34cf514b2aSRobert Elliott Architecture: powerpc using: 35cf514b2aSRobert Elliott - SPE (Signal Processing Engine) extensions 36cf514b2aSRobert Elliott 37cf514b2aSRobert Elliott SPE is available for: 38cf514b2aSRobert Elliott - Processor Type: Freescale 8500 39cf514b2aSRobert Elliott - CPU selection: e500 (8540) 40cf514b2aSRobert Elliott 416a490a4eSRobert Elliott This module should only be used for low power (router) devices 426a490a4eSRobert Elliott without hardware AES acceleration (e.g. caam crypto). It reduces the 436a490a4eSRobert Elliott size of the AES tables from 16KB to 8KB + 256 bytes and mitigates 446a490a4eSRobert Elliott timining attacks. Nevertheless it might be not as secure as other 456a490a4eSRobert Elliott architecture specific assembler implementations that work on 1KB 466a490a4eSRobert Elliott tables or 256 bytes S-boxes. 476a490a4eSRobert Elliott 4845a4672bSDanny Tsenconfig CRYPTO_AES_GCM_P10 4945a4672bSDanny Tsen tristate "Stitched AES/GCM acceleration support on P10 or later CPU (PPC)" 508133a3f0SMichael Ellerman depends on PPC64 && CPU_LITTLE_ENDIAN && VSX 5145a4672bSDanny Tsen select CRYPTO_LIB_AES 5245a4672bSDanny Tsen select CRYPTO_ALGAPI 5345a4672bSDanny Tsen select CRYPTO_AEAD 549d6e1c21SOmar Sandoval select CRYPTO_SKCIPHER 558b6c1e46SDanny Tsen select CRYPTO_SIMD 5645a4672bSDanny Tsen help 5745a4672bSDanny Tsen AEAD cipher: AES cipher algorithms (FIPS-197) 5845a4672bSDanny Tsen GCM (Galois/Counter Mode) authenticated encryption mode (NIST SP800-38D) 5945a4672bSDanny Tsen Architecture: powerpc64 using: 6045a4672bSDanny Tsen - little-endian 6145a4672bSDanny Tsen - Power10 or later features 6245a4672bSDanny Tsen 6345a4672bSDanny Tsen Support for cryptographic acceleration instructions on Power10 or 6445a4672bSDanny Tsen later CPU. This module supports stitched acceleration for AES/GCM. 6545a4672bSDanny Tsen 6610930333SDanny Tsenconfig CRYPTO_DEV_VMX 6710930333SDanny Tsen bool "Support for VMX cryptographic acceleration instructions" 6810930333SDanny Tsen depends on PPC64 && VSX 6910930333SDanny Tsen help 7010930333SDanny Tsen Support for VMX cryptographic acceleration instructions. 7110930333SDanny Tsen 7210930333SDanny Tsenconfig CRYPTO_DEV_VMX_ENCRYPT 7310930333SDanny Tsen tristate "Encryption acceleration support on P8 CPU" 7410930333SDanny Tsen depends on CRYPTO_DEV_VMX 7510930333SDanny Tsen select CRYPTO_AES 7610930333SDanny Tsen select CRYPTO_CBC 7710930333SDanny Tsen select CRYPTO_CTR 7810930333SDanny Tsen select CRYPTO_GHASH 7910930333SDanny Tsen select CRYPTO_XTS 8010930333SDanny Tsen default m 8110930333SDanny Tsen help 8210930333SDanny Tsen Support for VMX cryptographic acceleration instructions on Power8 CPU. 8310930333SDanny Tsen This module supports acceleration for AES and GHASH in hardware. If you 8410930333SDanny Tsen choose 'M' here, this module will be called vmx-crypto. 8510930333SDanny Tsen 866a490a4eSRobert Elliottendmenu 87