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crypto: Kconfig - move powerpc entries to a submenu

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

Suggested-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Robert Elliott <elliott@hpe.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Robert Elliott 2022-08-20 13:41:36 -05:00 committed by Herbert Xu
parent e45f710b42
commit 6a490a4e8b
2 changed files with 80 additions and 73 deletions
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77
arch/powerpc/crypto/Kconfig Normal file
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@ -0,0 +1,77 @@
# 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

76
crypto/Kconfig
View File

@ -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"