Commit 6a490a4e authored by Robert Elliott's avatar Robert Elliott Committed by Herbert Xu
Browse files

crypto: Kconfig - move powerpc entries to a submenu 



Move CPU-specific crypto/Kconfig entries to arch/xxx/crypto/Kconfig
and create a submenu for them under the Crypto API menu.

Suggested-by: default avatarEric Biggers <ebiggers@kernel.org>
Signed-off-by: default avatarRobert Elliott <elliott@hpe.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent e45f710b

arch/powerpc/crypto/Kconfig

0 → 100644
+77 −0
Original line number Diff line number Diff line 
# 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

crypto/Kconfig

+3 −73
Original line number Diff line number Diff line
@@ -658,17 +658,6 @@ config CRYPTO_CRC32C_INTEL 
	  gain performance compared with software implementation.

	  Module will be crc32c-intel.



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_CRC32C_SPARC64

	tristate "CRC32c CRC algorithm (SPARC64)"

	depends on SPARC64
@@ -762,28 +751,11 @@ config CRYPTO_CRCT10DIF_PCLMUL 
	  'crct10dif-pclmul' module, which is faster when computing the

	  crct10dif checksum as compared with the generic table implementation.



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_CRC64_ROCKSOFT

	tristate "Rocksoft Model CRC64 algorithm"

	depends on CRC64

	select CRYPTO_HASH



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_GHASH

	tristate "GHASH hash function"

	select CRYPTO_GF128MUL
@@ -845,14 +817,6 @@ config CRYPTO_MD5 
	help

	  MD5 message digest algorithm (RFC1321).



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_MD5_SPARC64

	tristate "MD5 digest algorithm (SPARC64)"

	depends on SPARC64
@@ -948,20 +912,6 @@ config CRYPTO_SHA1_SPARC64 
	  SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented

	  using sparc64 crypto instructions, when available.



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_SHA1_S390

	tristate "SHA1 digest algorithm"

	depends on S390
@@ -985,15 +935,6 @@ config CRYPTO_SHA256 
	  This code also includes SHA-224, a 224 bit hash with 112 bits

	  of security against collision attacks.



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_SHA256_SPARC64

	tristate "SHA224 and SHA256 digest algorithm (SPARC64)"

	depends on SPARC64
@@ -1235,20 +1176,6 @@ config CRYPTO_AES_SPARC64 
	  for some popular block cipher mode is supported too, including

	  ECB and CBC.



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.



config CRYPTO_AES_S390

	tristate "AES cipher algorithms"

	depends on S390
@@ -2076,6 +2003,9 @@ config CRYPTO_HASH_INFO 
if MIPS

source "arch/mips/crypto/Kconfig"

endif

if PPC

source "arch/powerpc/crypto/Kconfig"

endif



source "drivers/crypto/Kconfig"

source "crypto/asymmetric_keys/Kconfig"