crypton-asn1-encoding-0.9.7: ASN.1 data (raw, BER or DER) readers and writers

Copyright	(c) 2010-2013 Vincent Hanquez <vincent@snarc.org>
License	BSD-style
Stability	experimental
Portability	unknown
Safe Haskell	None
Language	Haskell2010

Data.ASN1.Prim

Contents

ASN.1 high-level algebraic types
Marshall an ASN.1 value from a val struct or a strict bytestring
Marshall an ASN.1 value to a strict bytestring

Description

Tools to read ASN1 primitive (e.g. boolean, int)

Synopsis

data ASN1
- = Boolean Bool
- | IntVal Integer
- | BitString BitArray
- | OctetString ByteString
- | Null
- | OID OID
- | Real Double
- | Enumerated Integer
- | ASN1String ASN1CharacterString
- | ASN1Time ASN1TimeType DateTime (Maybe TimezoneOffset)
- | Other ASN1Class ASN1Tag ByteString
- | Start ASN1ConstructionType
- | End ASN1ConstructionType
data ASN1ConstructionType
- = Sequence
- | Set
- | Container ASN1Class ASN1Tag
encodeHeader :: Bool -> ASN1Length -> ASN1 -> ASN1Header
encodePrimitiveHeader :: ASN1Length -> ASN1 -> ASN1Header
encodePrimitive :: ASN1 -> (Int, [ASN1Event])
decodePrimitive :: ASN1Header -> ByteString -> ASN1Ret
encodeConstructed :: ASN1 -> [ASN1] -> (Int, [ASN1Event])
encodeList :: [ASN1] -> (Int, [ASN1Event])
encodeOne :: ASN1 -> (Int, [ASN1Event])
mkSmallestLength :: Int -> ASN1Length
getBoolean :: Bool -> ByteString -> Either ASN1Error ASN1
getInteger :: ByteString -> Either ASN1Error ASN1
getDouble :: ByteString -> Either ASN1Error ASN1
getBitString :: ByteString -> Either ASN1Error ASN1
getOctetString :: ByteString -> Either ASN1Error ASN1
getNull :: ByteString -> Either ASN1Error ASN1
getOID :: ByteString -> Either ASN1Error ASN1
getTime :: ASN1TimeType -> ByteString -> Either ASN1Error ASN1
putTime :: ASN1TimeType -> DateTime -> Maybe TimezoneOffset -> ByteString
putInteger :: Integer -> ByteString
putDouble :: Double -> ByteString
putBitString :: BitArray -> ByteString
putString :: ByteString -> ByteString
putOID :: [Integer] -> ByteString

ASN.1 high-level algebraic types

data ASN1 #

Define high level ASN.1 objects.

Instances

Instances details

Show ASN1
Instance details Defined in Data.ASN1.Types Methods showsPrec :: Int -> ASN1 -> ShowS # show :: ASN1 -> String # showList :: [ASN1] -> ShowS #
Eq ASN1
Instance details Defined in Data.ASN1.Types Methods (==) :: ASN1 -> ASN1 -> Bool # (/=) :: ASN1 -> ASN1 -> Bool #

data ASN1ConstructionType #

Define the types of container.

Constructors

Sequence
Set
Container ASN1Class ASN1Tag

Instances

Instances details

Show ASN1ConstructionType
Instance details Defined in Data.ASN1.Types Methods showsPrec :: Int -> ASN1ConstructionType -> ShowS # show :: ASN1ConstructionType -> String # showList :: [ASN1ConstructionType] -> ShowS #
Eq ASN1ConstructionType
Instance details Defined in Data.ASN1.Types Methods (==) :: ASN1ConstructionType -> ASN1ConstructionType -> Bool # (/=) :: ASN1ConstructionType -> ASN1ConstructionType -> Bool #

encodeHeader :: Bool -> ASN1Length -> ASN1 -> ASN1Header Source #

encodePrimitiveHeader :: ASN1Length -> ASN1 -> ASN1Header Source #

encodePrimitive :: ASN1 -> (Int, [ASN1Event]) Source #

decodePrimitive :: ASN1Header -> ByteString -> ASN1Ret Source #

encodeConstructed :: ASN1 -> [ASN1] -> (Int, [ASN1Event]) Source #

encodeList :: [ASN1] -> (Int, [ASN1Event]) Source #

encodeOne :: ASN1 -> (Int, [ASN1Event]) Source #

mkSmallestLength :: Int -> ASN1Length Source #

Marshall an ASN.1 value from a val struct or a strict bytestring

getBoolean :: Bool -> ByteString -> Either ASN1Error ASN1 Source #

getInteger :: ByteString -> Either ASN1Error ASN1 Source #

Parse a value bytestring and get the integer out of the two complement encoded bytes.

getDouble :: ByteString -> Either ASN1Error ASN1 Source #

getBitString :: ByteString -> Either ASN1Error ASN1 Source #

getOctetString :: ByteString -> Either ASN1Error ASN1 Source #

getNull :: ByteString -> Either ASN1Error ASN1 Source #

getOID :: ByteString -> Either ASN1Error ASN1 Source #

Return an OID.

getTime :: ASN1TimeType -> ByteString -> Either ASN1Error ASN1 Source #

Marshall an ASN.1 value to a strict bytestring

putTime :: ASN1TimeType -> DateTime -> Maybe TimezoneOffset -> ByteString Source #

putInteger :: Integer -> ByteString Source #

putDouble :: Double -> ByteString Source #

putBitString :: BitArray -> ByteString Source #

putString :: ByteString -> ByteString Source #

putOID :: [Integer] -> ByteString Source #