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 select PUBLIC_KEY_ALGO_RSA 16 select CRYPTO_HASH_INFO 17 help 18 This option provides support for asymmetric public key type handling. 19 If signature generation and/or verification are to be used, 20 appropriate hash algorithms (such as SHA-1) must be available. 21 ENOPKG will be reported if the requisite algorithm is unavailable. 22 23config PUBLIC_KEY_ALGO_RSA 24 tristate "RSA public-key algorithm" 25 select MPILIB_EXTRA 26 select MPILIB 27 help 28 This option enables support for the RSA algorithm (PKCS#1, RFC3447). 29 30config X509_CERTIFICATE_PARSER 31 tristate "X.509 certificate parser" 32 depends on ASYMMETRIC_PUBLIC_KEY_SUBTYPE 33 select ASN1 34 select OID_REGISTRY 35 help 36 This option procides support for parsing X.509 format blobs for key 37 data and provides the ability to instantiate a crypto key from a 38 public key packet found inside the certificate. 39 40endif # ASYMMETRIC_KEY_TYPE 41