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example for encoding data as ASN1 DER

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Trolli Schmittlauch 2020-04-21 14:21:36 +02:00
parent 449fcb93bb
commit 992320b67b
2 changed files with 19 additions and 1 deletions
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2
Hash2Pub/Hash2Pub.cabal
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@ -46,7 +46,7 @@ category: Network
extra-source-files: CHANGELOG.md extra-source-files: CHANGELOG.md
common deps common deps
build-depends: base ^>=4.12.0.0, containers ^>=0.6.0.1, bytestring, utf8-string ^>=1.0.1.1, network ^>=2.8.0.1, time ^>=1.8.0.2, cmdargs ^>= 0.10, cryptonite ^>= 0.25, memory, binary-strict, async build-depends: base ^>=4.12.0.0, containers ^>=0.6.0.1, bytestring, utf8-string ^>=1.0.1.1, network ^>=2.8.0.1, time ^>=1.8.0.2, cmdargs ^>= 0.10, cryptonite ^>= 0.25, memory, binary-strict, async, asn1-encoding, asn1-types, asn1-parse
ghc-options: -Wall ghc-options: -Wall

18
Hash2Pub/src/asn1test.hs Normal file
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@ -0,0 +1,18 @@
{-# LANGUAGE OverloadedStrings #-}
module Main where
import qualified Data.ASN1.Encoding as ASN1 -- asn1-encoding package
import qualified Data.ASN1.BinaryEncoding as ASN1
import qualified Data.ASN1.Types as ASN1 -- asn1-types package
-- import Hash2Pub.Fedichord
-- encoding values as ASN.1 types is done using Data.ASN1.Prim
someASN1 = ASN1.encodeASN1' ASN1.DER $ ASN1.Start ASN1.Sequence : ASN1.ASN1String (ASN1.asn1CharacterString ASN1.Visible domain) : ASN1.ASN1String (ASN1.asn1CharacterString ASN1.UTF8 unicode) : map ASN1.IntVal xs ++ [ASN1.End ASN1.Sequence]
where
domain = "domains.are.ascii.on.ly"
unicode = "Hähä, but unicode string!"
xs = [ 23, 42, 2342 ]
main = do
print someASN1