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-- Module GulsSecurityTransformations (X.830:04/1995)

GulsSecurityTransformations {joint-iso-itu-t genericULS(20) modules(1)
  gulsSecurityTransformations(3)} DEFINITIONS AUTOMATIC TAGS ::=
BEGIN

-- EXPORTS All 
IMPORTS
  securityTransformations, notation
    FROM ObjectIdentifiers {joint-iso-itu-t genericULS(20) modules(1)
      objectIdentifiers(0)}
  SECURITY-TRANSFORMATION, SecurityIdentity
    FROM Notation notation
  AlgorithmIdentifier
    FROM AuthenticationFramework {joint-iso-itu-t ds(5) module(1)
      authenticationFramework(7) 3};

-- *************************************** 
-- Notation for specifying key information 
-- *************************************** 
KEY-INFORMATION ::=
  CLASS
   -- This information object class definition is for use when
  -- specifying key information relating to particular classes
  -- of protection mechanisms (e.g. symmetric, asymmetric).
  -- It may be useful in defining various security transformations.
  {
  &kiClass  CHOICE {local   INTEGER,
                    -- local objects can only be defined within this
                    -- ASN.1 module.
                    global  OBJECT IDENTIFIER
                    -- global objects are defined elsewhere
  } UNIQUE,
  &KiType   
}WITH SYNTAX {KEY-INFO-CLASS &kiClass
              KEY-INFO-TYPE &KiType
}

symmetricKeyInformation KEY-INFORMATION ::= {
  KEY-INFO-CLASS  local:0
  KEY-INFO-TYPE
    SEQUENCE {entityId       SecurityIdentity,
              keyIdentifier  INTEGER}
}

asymmetricKeyInformation KEY-INFORMATION ::= {
  KEY-INFO-CLASS  local:1
  KEY-INFO-TYPE
    SEQUENCE {issuerCAName      SecurityIdentity OPTIONAL,
              certSerialNumber  INTEGER OPTIONAL,
              signerName        SecurityIdentity OPTIONAL,
              keyIdentifier     BIT STRING OPTIONAL}
}

-- ******************************************* 
-- Directory ENCRYPTED Security Transformation 
-- ******************************************* 
dirEncryptedTransformation SECURITY-TRANSFORMATION ::= {
  IDENTIFIER              {securityTransformations dir-encrypted(1)}
  -- This transformation transforms a string of octets to a
  -- new bit string using an encipherment process.
  INITIAL-ENCODING-RULES  {joint-iso-itu-t asn1(1) ber(1)}
  XFORMED-DATA-TYPE       BIT STRING
}

-- **************************************** 
-- Directory SIGNED Security Transformation 
-- **************************************** 
dirSignedTransformation SECURITY-TRANSFORMATION ::= {
  IDENTIFIER              {securityTransformations dir-signed(2)}
  INITIAL-ENCODING-RULES
    {joint-iso-itu-t asn1(1) ber-derived(2) distinguished-encoding(1)}
  XFORMED-DATA-TYPE
    SEQUENCE {toBeSigned
                ABSTRACT-SYNTAX.&Type
                  (CONSTRAINED BY {
                     
                     -- this type is constrained to being the to-be-signed type -- }),
              algorithmId     AlgorithmIdentifier,
              -- of the algorithms used to compute the signature 
              encipheredHash  BIT STRING}
}

-- ******************************************* 
-- Directory SIGNATURE Security Transformation 
-- ******************************************* 
dirSignatureTransformation SECURITY-TRANSFORMATION ::= {
  IDENTIFIER              {securityTransformations dir-signature(3)}
  INITIAL-ENCODING-RULES
    {joint-iso-itu-t asn1(1) ber-derived(2) distinguished-encoding(1)}
  XFORMED-DATA-TYPE
    SEQUENCE {algorithmId     AlgorithmIdentifier,
              -- of the algorithms used to compute the signature 
              encipheredHash  BIT STRING}
}

-- *********************************** 
-- GULS SIGNED Security Transformation 
-- *********************************** 
gulsSignedTransformation{KEY-INFORMATION:SupportedKIClasses}
  SECURITY-TRANSFORMATION ::= {
  IDENTIFIER              {securityTransformations guls-signed(4)}
  INITIAL-ENCODING-RULES
    {joint-iso-itu-t asn1(1) ber-derived(2) canonical-encoding(0)}
  -- This default for initial encoding rules may be overridden
  -- using a static protected parameter (initEncRules).
  XFORMED-DATA-TYPE
    SEQUENCE {intermediateValue
                EMBEDDED PDV
                  (WITH COMPONENTS {
                     identification  (WITH COMPONENTS {
                                        transfer-syntax  (CONSTRAINED BY {
                                                            -- The transfer syntax to be used is that
                                                            -- indicated by the initEncRules value within
                                                            -- the intermediate value -- })PRESENT
                                      }),
                     data-value (CONTAINING IntermediateType{{SupportedKIClasses}})
                   
                   -- The data value encoded is a value of type
                   -- IntermediateType
                   }),
              appendix
                BIT STRING
                  (CONSTRAINED BY {
                     -- the appendix value must be generated following
                     -- the procedure specified in D.4 of DIS 11586-1 -- })
  }
}

IntermediateType{KEY-INFORMATION:SupportedKIClasses} ::= SEQUENCE {
  unprotectedItem      ABSTRACT-SYNTAX.&Type-- this type is constrained to being
  -- the type of the unprotected item, or
  -- BIT STRING if the unprotected item is
  -- not derived from an ASN.1 abstract
  -- syntax --,
  initEncRules
    OBJECT IDENTIFIER
      DEFAULT {joint-iso-itu-t asn1(1) ber-derived(2) canonical-encoding(0)},
  signOrSealAlgorithm  AlgorithmIdentifier OPTIONAL,
  -- Identifies the signing or
  -- sealing algorithm, and can convey
  -- algorithm parameters 
  hashAlgorithm        AlgorithmIdentifier OPTIONAL,
  -- Identifies a hash function,
  -- for use if a hash function is required
  -- and the signOrSealAlgorithm identifier
  -- does not imply a particular hash
  -- function. Can also convey algorithm
  -- parameters.
  keyInformation
    SEQUENCE {kiClass  KEY-INFORMATION.&kiClass({SupportedKIClasses}),
              keyInfo  KEY-INFORMATION.&KiType({SupportedKIClasses}{@.kiClass})
  } OPTIONAL
  -- Key information may assume various
  -- formats, governed by supported members
  -- of the KEY-INFORMATION information
  -- object class (defined at start of the
  -- definitive ASN.1 module)
}

-- ************************************** 
-- GULS SIGNATURE Security Transformation 
-- ************************************** 
gulsSignatureTransformation{KEY-INFORMATION:SupportedKIClasses}
  SECURITY-TRANSFORMATION ::= {
  IDENTIFIER              {securityTransformations guls-signature(5)}
  INITIAL-ENCODING-RULES
    {joint-iso-itu-t asn1(1) ber-derived(2) canonical-encoding(0)}
  -- This default for initial encoding rules may be overridden
  -- using a static protected parameter (initEncRules).
  XFORMED-DATA-TYPE
    SEQUENCE {initEncRules
                OBJECT IDENTIFIER
                  DEFAULT
                    {joint-iso-itu-t asn1(1) ber-derived(2)
                     canonical-encoding(0)},
              signOrSealAlgorithm  AlgorithmIdentifier OPTIONAL,
              -- Identifies the signing or
              -- sealing algorithm, and can convey
              -- algorithm parameters 
              hashAlgorithm        AlgorithmIdentifier OPTIONAL,
              -- Identifies a hash function,
              -- for use if a hash function is required
              -- and the signOrSealAlgorithm identifier
              -- does not imply a particular hash
              -- function. Can also convey algorithm parameters.
              keyInformation
                SEQUENCE {kiClass
                            KEY-INFORMATION.&kiClass({SupportedKIClasses}),
                          keyInfo
                            KEY-INFORMATION.&KiType
                              ({SupportedKIClasses}{@.kiClass})} OPTIONAL,
              -- Key information may assume various
              -- formats, governed by supported members
              -- of the KEY-INFORMATION information
              -- object class (defined at start of the
              -- definitive ASN.1 module)
              appendix
                BIT STRING
                  (CONSTRAINED BY {
                     -- the appendix value must be generated following
                     -- the procedure specified in D.5 of DIS 11586-1 -- })
  }
}

END

-- Generated by Asnp, the ASN.1 pretty-printer of France Telecom R&D


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