39 lines
1.4 KiB
Haskell
39 lines
1.4 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
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-- |
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-- Module : Network.TLS.Handshake.Signature
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-- License : BSD-style
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-- Maintainer : Vincent Hanquez <vincent@snarc.org>
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-- Stability : experimental
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-- Portability : unknown
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--
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module Network.TLS.Handshake.Signature
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( getHashAndASN1
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) where
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import qualified Crypto.Hash.SHA224 as SHA224
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import qualified Crypto.Hash.SHA256 as SHA256
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import qualified Crypto.Hash.SHA384 as SHA384
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import qualified Crypto.Hash.SHA512 as SHA512
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import Network.TLS.Context
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import Network.TLS.Struct
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import Control.Monad.State
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import qualified Data.ByteString as B
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getHashAndASN1 :: MonadIO m => (HashAlgorithm, SignatureAlgorithm) -> m (B.ByteString -> B.ByteString, B.ByteString)
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getHashAndASN1 hashSig = do
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case hashSig of
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(HashSHA224, SignatureRSA) ->
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return (SHA224.hash, "\x30\x2d\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x04\x05\x00\x04\x1c")
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(HashSHA256, SignatureRSA) ->
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return (SHA256.hash, "\x30\x31\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x01\x05\x00\x04\x20")
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(HashSHA384, SignatureRSA) ->
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return (SHA384.hash, "\x30\x41\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x02\x05\x00\x04\x30")
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(HashSHA512, SignatureRSA) ->
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return (SHA512.hash, "\x30\x51\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x03\x05\x00\x04\x40")
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_ ->
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throwCore $ Error_Misc "unsupported hash/sig algorithm"
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