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kernel/linux-imx6_3.14.28/crypto/asymmetric_keys/Kconfig 1.32 KB
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  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