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crypto: public_key: select CRYPTO_AKCIPHER

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commit bad6a185b4d6f81d0ed2b6e4c16307969f160b95 upstream.

In some rare randconfig builds, we can end up with
ASYMMETRIC_PUBLIC_KEY_SUBTYPE enabled but CRYPTO_AKCIPHER disabled,
which fails to link because of the reference to crypto_alloc_akcipher:

crypto/built-in.o: In function `public_key_verify_signature':
:(.text+0x110e4): undefined reference to `crypto_alloc_akcipher'

This adds a Kconfig 'select' statement to ensure the dependency
is always there.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Arnd Bergmann 2016-05-18 16:55:56 +02:00 • committed by Greg Kroah-Hartman
parent f32ef5c8e9
commit b440f3ae61
1 changed files with 1 additions and 0 deletions
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crypto/asymmetric_keys/Kconfig
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@ -14,6 +14,7 @@ config ASYMMETRIC_PUBLIC_KEY_SUBTYPE
select MPILIB
select PUBLIC_KEY_ALGO_RSA
select CRYPTO_HASH_INFO
select CRYPTO_AKCIPHER
help
This option provides support for asymmetric public key type handling.
If signature generation and/or verification are to be used,