# SPDX-License-Identifier: GPL-2.0

menu "Accelerated Cryptographic Algorithms for CPU (powerpc)"

config CRYPTO_CRC32C_VPMSUM
	tristate "CRC32c CRC algorithm (powerpc64)"
	depends on PPC64 && ALTIVEC
	select CRYPTO_HASH
	select CRC32
	help
	  CRC32c algorithm implemented using vector polynomial multiply-sum
	  (vpmsum) instructions, introduced in POWER8. Enable on POWER8
	  and newer processors for improved performance.

config CRYPTO_CRCT10DIF_VPMSUM
	tristate "CRC32T10DIF powerpc64 hardware acceleration"
	depends on PPC64 && ALTIVEC && CRC_T10DIF
	select CRYPTO_HASH
	help
	  CRC10T10DIF algorithm implemented using vector polynomial
	  multiply-sum (vpmsum) instructions, introduced in POWER8. Enable on
	  POWER8 and newer processors for improved performance.

config CRYPTO_VPMSUM_TESTER
	tristate "Powerpc64 vpmsum hardware acceleration tester"
	depends on CRYPTO_CRCT10DIF_VPMSUM && CRYPTO_CRC32C_VPMSUM
	help
	  Stress test for CRC32c and CRC-T10DIF algorithms implemented with
	  POWER8 vpmsum instructions.
	  Unless you are testing these algorithms, you don't need this.

config CRYPTO_MD5_PPC
	tristate "MD5 digest algorithm (PPC)"
	depends on PPC
	select CRYPTO_HASH
	help
	  MD5 message digest algorithm (RFC1321) implemented
	  in PPC assembler.

config CRYPTO_SHA1_PPC
	tristate "SHA1 digest algorithm (powerpc)"
	depends on PPC
	help
	  This is the powerpc hardware accelerated implementation of the
	  SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).

config CRYPTO_SHA1_PPC_SPE
	tristate "SHA1 digest algorithm (PPC SPE)"
	depends on PPC && SPE
	help
	  SHA-1 secure hash standard (DFIPS 180-4) implemented
	  using powerpc SPE SIMD instruction set.

config CRYPTO_SHA256_PPC_SPE
	tristate "SHA224 and SHA256 digest algorithm (PPC SPE)"
	depends on PPC && SPE
	select CRYPTO_SHA256
	select CRYPTO_HASH
	help
	  SHA224 and SHA256 secure hash standard (DFIPS 180-2)
	  implemented using powerpc SPE SIMD instruction set.

config CRYPTO_AES_PPC_SPE
	tristate "AES cipher algorithms (PPC SPE)"
	depends on PPC && SPE
	select CRYPTO_SKCIPHER
	help
	  AES cipher algorithms (FIPS-197). Additionally the acceleration
	  for popular block cipher modes ECB, CBC, CTR and XTS is supported.
	  This module should only be used for low power (router) devices
	  without hardware AES acceleration (e.g. caam crypto). It reduces the
	  size of the AES tables from 16KB to 8KB + 256 bytes and mitigates
	  timining attacks. Nevertheless it might be not as secure as other
	  architecture specific assembler implementations that work on 1KB
	  tables or 256 bytes S-boxes.

endmenu