From: Justin M. Forbes <jfor...@fedoraproject.org>

lib/crypto: add prompts back to crypto libraries

Commit 6048fdcc5f269 ("lib/crypto: blake2s: include as built-in") took
away a number of prompt texts from other crypto libraries. This makes
values flip from built-in to module when oldconfig runs, and causes
problems when these crypto libs need to be built in for thingslike
BIG_KEYS.

Fixes: 6048fdcc5f269 ("lib/crypto: blake2s: include as built-in")
Cc: Herbert Xu <herb...@gondor.apana.org.au>
Cc: linux-cry...@vger.kernel.org
Signed-off-by: Justin M. Forbes <jfor...@fedoraproject.org>
[Jason: - moved menu into submenu of lib/ instead of root menu
        - fixed chacha sub-dependencies for CONFIG_CRYPTO]
Signed-off-by: Jason A. Donenfeld <ja...@zx2c4.com>

diff --git a/crypto/Kconfig b/crypto/Kconfig
index blahblah..blahblah 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -1928,5 +1928,3 @@ source "crypto/asymmetric_keys/Kconfig"
 source "certs/Kconfig"
 
 endif  # if CRYPTO
-
-source "lib/crypto/Kconfig"
diff --git a/lib/Kconfig b/lib/Kconfig
index blahblah..blahblah 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -122,6 +122,8 @@ config INDIRECT_IOMEM_FALLBACK
          mmio accesses when the IO memory address is not a registered
          emulated region.
 
+source "lib/crypto/Kconfig"
+
 config CRC_CCITT
        tristate "CRC-CCITT functions"
        help
diff --git a/lib/crypto/Kconfig b/lib/crypto/Kconfig
index blahblah..blahblah 100644
--- a/lib/crypto/Kconfig
+++ b/lib/crypto/Kconfig
@@ -1,5 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 
+menu "Crypto library routines"
+
 config CRYPTO_LIB_AES
        tristate
 
@@ -31,7 +33,7 @@ config CRYPTO_ARCH_HAVE_LIB_CHACHA
 
 config CRYPTO_LIB_CHACHA_GENERIC
        tristate
-       select CRYPTO_ALGAPI
+       select XOR_BLOCKS
        help
          This symbol can be depended upon by arch implementations of the
          ChaCha library interface that require the generic code as a
@@ -40,7 +42,8 @@ config CRYPTO_LIB_CHACHA_GENERIC
          of CRYPTO_LIB_CHACHA.
 
 config CRYPTO_LIB_CHACHA
-       tristate
+       tristate "ChaCha library interface"
+       depends on CRYPTO
        depends on CRYPTO_ARCH_HAVE_LIB_CHACHA || !CRYPTO_ARCH_HAVE_LIB_CHACHA
        select CRYPTO_LIB_CHACHA_GENERIC if CRYPTO_ARCH_HAVE_LIB_CHACHA=n
        help
@@ -65,7 +68,7 @@ config CRYPTO_LIB_CURVE25519_GENERIC
          of CRYPTO_LIB_CURVE25519.
 
 config CRYPTO_LIB_CURVE25519
-       tristate
+       tristate "Curve25519 scalar multiplication library"
        depends on CRYPTO_ARCH_HAVE_LIB_CURVE25519 || 
!CRYPTO_ARCH_HAVE_LIB_CURVE25519
        select CRYPTO_LIB_CURVE25519_GENERIC if 
CRYPTO_ARCH_HAVE_LIB_CURVE25519=n
        help
@@ -100,7 +103,7 @@ config CRYPTO_LIB_POLY1305_GENERIC
          of CRYPTO_LIB_POLY1305.
 
 config CRYPTO_LIB_POLY1305
-       tristate
+       tristate "Poly1305 library interface"
        depends on CRYPTO_ARCH_HAVE_LIB_POLY1305 || 
!CRYPTO_ARCH_HAVE_LIB_POLY1305
        select CRYPTO_LIB_POLY1305_GENERIC if CRYPTO_ARCH_HAVE_LIB_POLY1305=n
        help
@@ -109,14 +112,18 @@ config CRYPTO_LIB_POLY1305
          is available and enabled.
 
 config CRYPTO_LIB_CHACHA20POLY1305
-       tristate
+       tristate "ChaCha20-Poly1305 AEAD support (8-byte nonce library version)"
        depends on CRYPTO_ARCH_HAVE_LIB_CHACHA || !CRYPTO_ARCH_HAVE_LIB_CHACHA
        depends on CRYPTO_ARCH_HAVE_LIB_POLY1305 || 
!CRYPTO_ARCH_HAVE_LIB_POLY1305
+       depends on CRYPTO
        select CRYPTO_LIB_CHACHA
        select CRYPTO_LIB_POLY1305
+       select CRYPTO_ALGAPI
 
 config CRYPTO_LIB_SHA256
        tristate
 
 config CRYPTO_LIB_SM4
        tristate
+
+endmenu

--
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/1552
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