linux-kernel - [PATCH 8/8] crypto: Kconfig

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Message-Id: <20220815190608.47182-9-elliott@hpe.com>
Date:   Mon, 15 Aug 2022 14:06:08 -0500
From:   Robert Elliott <elliott@....com>
To:     herbert@...dor.apana.org.au, davem@...emloft.net,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     toshi.kani@....com, Robert Elliott <elliott@....com>
Subject: [PATCH 8/8] crypto: Kconfig - sort the ciphers

Sort the entries in Ciphers by their displayed names.
In particular, keep the optimized CPU implementations next to the
generic implementations.

Signed-off-by: Robert Elliott <elliott@....com>
---
 crypto/Kconfig | 118 ++++++++++++++++++++++++-------------------------
 1 file changed, 59 insertions(+), 59 deletions(-)

diff --git a/crypto/Kconfig b/crypto/Kconfig
index f5cfb73e2423..03f4e2d97ef9 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -1500,6 +1500,65 @@ menu "Ciphers"
 
 	  Processes eight blocks in parallel.
 
+config CRYPTO_CHACHA20
+	tristate "ChaCha"
+	select CRYPTO_LIB_CHACHA_GENERIC
+	select CRYPTO_SKCIPHER
+	help
+	  The ChaCha20, XChaCha20, and XChaCha12 stream cipher algorithms
+
+	  ChaCha20 is a 256-bit high-speed stream cipher designed by Daniel J.
+	  Bernstein and further specified in RFC7539 for use in IETF protocols.
+	  This is the portable C implementation of ChaCha20.  See
+	  https://cr.yp.to/chacha/chacha-20080128.pdf for further information.
+
+	  XChaCha20 is the application of the XSalsa20 construction to ChaCha20
+	  rather than to Salsa20.  XChaCha20 extends ChaCha20's nonce length
+	  from 64 bits (or 96 bits using the RFC7539 convention) to 192 bits,
+	  while provably retaining ChaCha20's security.  See
+	  https://cr.yp.to/snuffle/xsalsa-20081128.pdf for further information.
+
+	  XChaCha12 is XChaCha20 reduced to 12 rounds, with correspondingly
+	  reduced security margin but increased performance.  It can be needed
+	  in some performance-sensitive scenarios.
+
+config CRYPTO_CHACHA20_X86_64
+	tristate "ChaCha (x86_64 with SSSE3/AVX2/AVX-512VL)"
+	depends on X86 && 64BIT
+	select CRYPTO_SKCIPHER
+	select CRYPTO_LIB_CHACHA_GENERIC
+	select CRYPTO_ARCH_HAVE_LIB_CHACHA
+	help
+	  ChaCha stream cipher algorithms
+
+	  Architecture: x86_64 using:
+	  * SSSE3 (Supplemental SSE3)
+	  * AVX2 (Advanced Vector Extensions 2)
+	  * AVX-512VL (Advanced Vector Extensions-512VL)
+
+config CRYPTO_CHACHA_MIPS
+	tristate "ChaCha (MIPS32r2)"
+	depends on CPU_MIPS32_R2
+	select CRYPTO_SKCIPHER
+	select CRYPTO_ARCH_HAVE_LIB_CHACHA
+	help
+	  ChaCha stream cipher algorithms
+
+	  Architecture: MIPS32r2
+
+config CRYPTO_CHACHA_S390
+	tristate "ChaCha20 (s390)"
+	depends on S390
+	select CRYPTO_SKCIPHER
+	select CRYPTO_LIB_CHACHA_GENERIC
+	select CRYPTO_ARCH_HAVE_LIB_CHACHA
+	help
+	  ChaCha20 stream cipher (RFC 7539)
+
+	  Architecture: s390
+
+	  It is available as of z13.
+
 config CRYPTO_DES
 	tristate "DES and Triple DES EDE"
 	select CRYPTO_ALGAPI
@@ -1566,65 +1625,6 @@ menu "Ciphers"
 	  See https://web.archive.org/web/20171011071731/http://www.larc.usp.br/~pbarreto/KhazadPage.html
 	  for further information.
 
-config CRYPTO_CHACHA20
-	tristate "ChaCha"
-	select CRYPTO_LIB_CHACHA_GENERIC
-	select CRYPTO_SKCIPHER
-	help
-	  The ChaCha20, XChaCha20, and XChaCha12 stream cipher algorithms
-
-	  ChaCha20 is a 256-bit high-speed stream cipher designed by Daniel J.
-	  Bernstein and further specified in RFC7539 for use in IETF protocols.
-	  This is the portable C implementation of ChaCha20.  See
-	  https://cr.yp.to/chacha/chacha-20080128.pdf for further information.
-
-	  XChaCha20 is the application of the XSalsa20 construction to ChaCha20
-	  rather than to Salsa20.  XChaCha20 extends ChaCha20's nonce length
-	  from 64 bits (or 96 bits using the RFC7539 convention) to 192 bits,
-	  while provably retaining ChaCha20's security.  See
-	  https://cr.yp.to/snuffle/xsalsa-20081128.pdf for further information.
-
-	  XChaCha12 is XChaCha20 reduced to 12 rounds, with correspondingly
-	  reduced security margin but increased performance.  It can be needed
-	  in some performance-sensitive scenarios.
-
-config CRYPTO_CHACHA20_X86_64
-	tristate "ChaCha (x86_64 with SSSE3/AVX2/AVX-512VL)"
-	depends on X86 && 64BIT
-	select CRYPTO_SKCIPHER
-	select CRYPTO_LIB_CHACHA_GENERIC
-	select CRYPTO_ARCH_HAVE_LIB_CHACHA
-	help
-	  ChaCha stream cipher algorithms
-
-	  Architecture: x86_64 using:
-	  * SSSE3 (Supplemental SSE3)
-	  * AVX2 (Advanced Vector Extensions 2)
-	  * AVX-512VL (Advanced Vector Extensions-512VL)
-
-config CRYPTO_CHACHA_MIPS
-	tristate "ChaCha (MIPS32r2)"
-	depends on CPU_MIPS32_R2
-	select CRYPTO_SKCIPHER
-	select CRYPTO_ARCH_HAVE_LIB_CHACHA
-	help
-	  ChaCha stream cipher algorithms
-
-	  Architecture: MIPS32r2
-
-config CRYPTO_CHACHA_S390
-	tristate "ChaCha20 (s390)"
-	depends on S390
-	select CRYPTO_SKCIPHER
-	select CRYPTO_LIB_CHACHA_GENERIC
-	select CRYPTO_ARCH_HAVE_LIB_CHACHA
-	help
-	  ChaCha20 stream cipher (RFC 7539)
-
-	  Architecture: s390
-
-	  It is available as of z13.
-
 config CRYPTO_SEED
 	tristate "SEED"
 	depends on CRYPTO_USER_API_ENABLE_OBSOLETE
-- 
2.37.1