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Linux/crypto/asymmetric_keys/Kconfig

  1 menuconfig 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 
 10 if ASYMMETRIC_KEY_TYPE
 11 
 12 config 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 
 23 config PUBLIC_KEY_ALGO_RSA
 24         tristate "RSA public-key algorithm"
 25         select MPILIB
 26         help
 27           This option enables support for the RSA algorithm (PKCS#1, RFC3447).
 28 
 29 config X509_CERTIFICATE_PARSER
 30         tristate "X.509 certificate parser"
 31         depends on ASYMMETRIC_PUBLIC_KEY_SUBTYPE
 32         select ASN1
 33         select OID_REGISTRY
 34         help
 35           This option provides support for parsing X.509 format blobs for key
 36           data and provides the ability to instantiate a crypto key from a
 37           public key packet found inside the certificate.
 38 
 39 config PKCS7_MESSAGE_PARSER
 40         tristate "PKCS#7 message parser"
 41         depends on X509_CERTIFICATE_PARSER
 42         select ASN1
 43         select OID_REGISTRY
 44         help
 45           This option provides support for parsing PKCS#7 format messages for
 46           signature data and provides the ability to verify the signature.
 47 
 48 config PKCS7_TEST_KEY
 49         tristate "PKCS#7 testing key type"
 50         depends on PKCS7_MESSAGE_PARSER
 51         select SYSTEM_TRUSTED_KEYRING
 52         help
 53           This option provides a type of key that can be loaded up from a
 54           PKCS#7 message - provided the message is signed by a trusted key.  If
 55           it is, the PKCS#7 wrapper is discarded and reading the key returns
 56           just the payload.  If it isn't, adding the key will fail with an
 57           error.
 58 
 59           This is intended for testing the PKCS#7 parser.
 60 
 61 config SIGNED_PE_FILE_VERIFICATION
 62         bool "Support for PE file signature verification"
 63         depends on PKCS7_MESSAGE_PARSER=y
 64         select ASN1
 65         select OID_REGISTRY
 66         help
 67           This option provides support for verifying the signature(s) on a
 68           signed PE binary.
 69 
 70 endif # ASYMMETRIC_KEY_TYPE

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