1menuconfig ASYMMETRIC_KEY_TYPE 2 tristate "Asymmetric (public-key cryptographic) key type" 3 depends on KEYS 4 help 5 This option provides support for a key type that holds the data for 6 the asymmetric keys used for public key cryptographic operations such 7 as encryption, decryption, signature generation and signature 8 verification. 9 10if ASYMMETRIC_KEY_TYPE 11 12config ASYMMETRIC_PUBLIC_KEY_SUBTYPE 13 tristate "Asymmetric public-key crypto algorithm subtype" 14 select MPILIB 15 help 16 This option provides support for asymmetric public key type handling. 17 If signature generation and/or verification are to be used, 18 appropriate hash algorithms (such as SHA-1) must be available. 19 ENOPKG will be reported if the requisite algorithm is unavailable. 20 21config PUBLIC_KEY_ALGO_RSA 22 tristate "RSA public-key algorithm" 23 depends on ASYMMETRIC_PUBLIC_KEY_SUBTYPE 24 select MPILIB_EXTRA 25 help 26 This option enables support for the RSA algorithm (PKCS#1, RFC3447). 27 28config X509_CERTIFICATE_PARSER 29 tristate "X.509 certificate parser" 30 depends on ASYMMETRIC_PUBLIC_KEY_SUBTYPE 31 select ASN1 32 select OID_REGISTRY 33 help 34 This option procides support for parsing X.509 format blobs for key 35 data and provides the ability to instantiate a crypto key from a 36 public key packet found inside the certificate. 37 38endif # ASYMMETRIC_KEY_TYPE 39