| menuconfig ASYMMETRIC_KEY_TYPE |
| tristate "Asymmetric (public-key cryptographic) key type" |
| depends on KEYS |
| help |
| This option provides support for a key type that holds the data for |
| the asymmetric keys used for public key cryptographic operations such |
| as encryption, decryption, signature generation and signature |
| verification. |
| |
| if ASYMMETRIC_KEY_TYPE |
| |
| config ASYMMETRIC_PUBLIC_KEY_SUBTYPE |
| tristate "Asymmetric public-key crypto algorithm subtype" |
| select MPILIB |
| select PUBLIC_KEY_ALGO_RSA |
| select CRYPTO_HASH_INFO |
| 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" |
| select MPILIB_EXTRA |
| select MPILIB |
| 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 |
