Re: linux-next: Tree for Oct 31 (crypto, rsa, mpi)

Randy Dunlap
2013-11-01T18:21:59Z

On 11/01/13 08:16, David Howells wrote:
> Randy Dunlap <rdunlap@infradead.org> wrote:
>
>> crypto/built-in.o: In function `RSA_verify_signature':
>> rsa.c:(.text+0x1d347): undefined reference to `mpi_get_nbits'
>> rsa.c:(.text+0x1d354): undefined reference to `mpi_get_nbits'
>> ...
>
> Does the attached patch fix it for you?

Yes, thanks.

Acked-by: Randy Dunlap <rdunlap@infradead.org>

>
> David
> ---
> KEYS: The RSA public key algorithm needs to select MPILIB
>
> The RSA public key algorithm needs to select MPILIB directly in Kconfig as the
> 'select' directive is not recursive and is thus MPILIB is not enabled by
> selecting MPILIB_EXTRA.
>
> Without this, the following errors can occur:
>
> crypto/built-in.o: In function `RSA_verify_signature':
> rsa.c:(.text+0x1d347): undefined reference to `mpi_get_nbits'
> rsa.c:(.text+0x1d354): undefined reference to `mpi_get_nbits'
> rsa.c:(.text+0x1d36e): undefined reference to `mpi_cmp_ui'
> rsa.c:(.text+0x1d382): undefined reference to `mpi_cmp'
> rsa.c:(.text+0x1d391): undefined reference to `mpi_alloc'
> rsa.c:(.text+0x1d3b0): undefined reference to `mpi_powm'
> rsa.c:(.text+0x1d3c3): undefined reference to `mpi_free'
> rsa.c:(.text+0x1d3d8): undefined reference to `mpi_get_buffer'
> rsa.c:(.text+0x1d4d4): undefined reference to `mpi_free'
> rsa.c:(.text+0x1d503): undefined reference to `mpi_get_nbits'
>
> Reported-by: Randy Dunlap <rdunlap@infradead.org>
> Signed-off-by: David Howells <dhowells@redhat.com>
> ---
> diff --git a/crypto/asymmetric_keys/Kconfig b/crypto/asymmetric_keys/Kconfig
> index 82e7d6b0c276..03a6eb95ab50 100644
> --- a/crypto/asymmetric_keys/Kconfig
> +++ b/crypto/asymmetric_keys/Kconfig
> @@ -23,6 +23,7 @@ config ASYMMETRIC_PUBLIC_KEY_SUBTYPE
> config PUBLIC_KEY_ALGO_RSA
> tristate "RSA public-key algorithm"
> select MPILIB_EXTRA
> + select MPILIB
> help
> This option enables support for the RSA algorithm (PKCS#1, RFC3447).
>
>

--
~Randy