if ASYMMETRIC_KEY_TYPE
+config ASYMMETRIC_PUBLIC_KEY_SUBTYPE
+ tristate "Asymmetric public-key crypto algorithm subtype"
+ select MPILIB
+ help
+ This option provides support for asymmetric public key type handling.
+ If signature generation and/or verification are to be used,
+ appropriate hash algorithms (such as SHA-1) must be available.
+ ENOPKG will be reported if the requisite algorithm is unavailable.
+
+config PUBLIC_KEY_ALGO_RSA
+ tristate "RSA public-key algorithm"
+ depends on ASYMMETRIC_PUBLIC_KEY_SUBTYPE
+ select MPILIB_EXTRA
+ help
+ This option enables support for the RSA algorithm (PKCS#1, RFC3447).
+
+config X509_CERTIFICATE_PARSER
+ tristate "X.509 certificate parser"
+ depends on ASYMMETRIC_PUBLIC_KEY_SUBTYPE
+ select ASN1
+ select OID_REGISTRY
+ help
+ This option procides support for parsing X.509 format blobs for key
+ data and provides the ability to instantiate a crypto key from a
+ public key packet found inside the certificate.
endif # ASYMMETRIC_KEY_TYPE