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	Add dependency on VSX as otherwise the build will fail without
it.
Fixes: 161fca7e3e ("crypto: powerpc - Add chacha20/poly1305-p10 to Kconfig and Makefile")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202308251906.SYawej6g-lkp@intel.com/
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
		
	
			
		
			
				
	
	
		
			141 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			141 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
# SPDX-License-Identifier: GPL-2.0
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menu "Accelerated Cryptographic Algorithms for CPU (powerpc)"
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config CRYPTO_CRC32C_VPMSUM
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	tristate "CRC32c"
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	depends on PPC64 && ALTIVEC
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	select CRYPTO_HASH
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	select CRC32
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	help
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	  CRC32c CRC algorithm with the iSCSI polynomial (RFC 3385 and RFC 3720)
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	  Architecture: powerpc64 using
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	  - AltiVec extensions
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	  Enable on POWER8 and newer processors for improved performance.
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config CRYPTO_CRCT10DIF_VPMSUM
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	tristate "CRC32T10DIF"
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	depends on PPC64 && ALTIVEC && CRC_T10DIF
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	select CRYPTO_HASH
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	help
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	  CRC16 CRC algorithm used for the T10 (SCSI) Data Integrity Field (DIF)
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	  Architecture: powerpc64 using
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	  - AltiVec extensions
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	  Enable on POWER8 and newer processors for improved performance.
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config CRYPTO_VPMSUM_TESTER
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	tristate "CRC32c and CRC32T10DIF hardware acceleration tester"
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	depends on CRYPTO_CRCT10DIF_VPMSUM && CRYPTO_CRC32C_VPMSUM
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	help
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	  Stress test for CRC32c and CRCT10DIF algorithms implemented with
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	  powerpc64 AltiVec extensions (POWER8 vpmsum instructions).
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	  Unless you are testing these algorithms, you don't need this.
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config CRYPTO_MD5_PPC
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	tristate "Digests: MD5"
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	depends on PPC
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	select CRYPTO_HASH
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	help
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	  MD5 message digest algorithm (RFC1321)
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	  Architecture: powerpc
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config CRYPTO_SHA1_PPC
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	tristate "Hash functions: SHA-1"
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	depends on PPC
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	help
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	  SHA-1 secure hash algorithm (FIPS 180)
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	  Architecture: powerpc
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config CRYPTO_SHA1_PPC_SPE
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	tristate "Hash functions: SHA-1 (SPE)"
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	depends on PPC && SPE
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	help
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	  SHA-1 secure hash algorithm (FIPS 180)
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	  Architecture: powerpc using
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	  - SPE (Signal Processing Engine) extensions
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config CRYPTO_SHA256_PPC_SPE
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	tristate "Hash functions: SHA-224 and SHA-256 (SPE)"
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	depends on PPC && SPE
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	select CRYPTO_SHA256
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	select CRYPTO_HASH
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	help
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	  SHA-224 and SHA-256 secure hash algorithms (FIPS 180)
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	  Architecture: powerpc using
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	  - SPE (Signal Processing Engine) extensions
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config CRYPTO_AES_PPC_SPE
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	tristate "Ciphers: AES, modes: ECB/CBC/CTR/XTS (SPE)"
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	depends on PPC && SPE
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	select CRYPTO_SKCIPHER
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	help
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	  Block ciphers: AES cipher algorithms (FIPS-197)
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	  Length-preserving ciphers: AES with ECB, CBC, CTR, and XTS modes
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	  Architecture: powerpc using:
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	  - SPE (Signal Processing Engine) extensions
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	  SPE is available for:
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	  - Processor Type: Freescale 8500
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	  - CPU selection: e500 (8540)
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	  This module should only be used for low power (router) devices
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	  without hardware AES acceleration (e.g. caam crypto). It reduces the
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	  size of the AES tables from 16KB to 8KB + 256 bytes and mitigates
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	  timining attacks. Nevertheless it might be not as secure as other
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	  architecture specific assembler implementations that work on 1KB
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	  tables or 256 bytes S-boxes.
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config CRYPTO_AES_GCM_P10
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	tristate "Stitched AES/GCM acceleration support on P10 or later CPU (PPC)"
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	depends on PPC64 && CPU_LITTLE_ENDIAN && VSX
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	select CRYPTO_LIB_AES
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	select CRYPTO_ALGAPI
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	select CRYPTO_AEAD
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	default m
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	help
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	  AEAD cipher: AES cipher algorithms (FIPS-197)
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	  GCM (Galois/Counter Mode) authenticated encryption mode (NIST SP800-38D)
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	  Architecture: powerpc64 using:
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	    - little-endian
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	    - Power10 or later features
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	  Support for cryptographic acceleration instructions on Power10 or
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	  later CPU. This module supports stitched acceleration for AES/GCM.
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config CRYPTO_CHACHA20_P10
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	tristate "Ciphers: ChaCha20, XChacha20, XChacha12 (P10 or later)"
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	depends on PPC64 && CPU_LITTLE_ENDIAN && VSX
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	select CRYPTO_SKCIPHER
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	select CRYPTO_LIB_CHACHA_GENERIC
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	select CRYPTO_ARCH_HAVE_LIB_CHACHA
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	help
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	  Length-preserving ciphers: ChaCha20, XChaCha20, and XChaCha12
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	  stream cipher algorithms
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	  Architecture: PowerPC64
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	  - Power10 or later
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	  - Little-endian
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config CRYPTO_POLY1305_P10
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	tristate "Hash functions: Poly1305 (P10 or later)"
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	depends on PPC64 && CPU_LITTLE_ENDIAN && VSX
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	select CRYPTO_HASH
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	select CRYPTO_LIB_POLY1305_GENERIC
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	help
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	  Poly1305 authenticator algorithm (RFC7539)
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	  Architecture: PowerPC64
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	  - Power10 or later
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	  - Little-endian
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endmenu
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