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simplify noise frame construction (#478)

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Jacek Sieka 2020-12-16 13:10:06 +01:00 committed by GitHub
parent 051681678b
commit 0c331d5200
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1 changed files with 2 additions and 5 deletions
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libp2p/protocols/secure/noise.nim
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@ -435,15 +435,12 @@ proc encryptFrame(
doAssert cipherFrame.len == 2 + src.len + sizeof(ChaChaPolyTag)
cipherFrame[0..<2] = toBytesBE(uint16(src.len + sizeof(ChaChaPolyTag)))
copyMem(addr cipherFrame[2], unsafeAddr src[0], src.len())
cipherFrame[2..<2 + src.len()] = src
let tag = encrypt(
sconn.writeCs, cipherFrame.toOpenArray(2, 2 + src.len() - 1), [])
copyMem(
addr cipherFrame[cipherFrame.len - sizeof(tag)], unsafeAddr tag[0],
sizeof(tag))
cipherFrame[2 + src.len()..<cipherFrame.len] = tag
method write*(sconn: NoiseConnection, message: seq[byte]): Future[void] {.async.} =
if message.len == 0: