44 lines
1.1 KiB
Nim
44 lines
1.1 KiB
Nim
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# bug #14136
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type
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MDigest*[bits: static[int]] = object
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## Message digest type
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data*: array[bits div 8, byte]
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Sha2Context*[bits: static[int],
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bsize: static[int],
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T: uint32|uint64] = object
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count: array[2, T]
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state: array[8, T]
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buffer: array[bsize, byte]
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sha256* = Sha2Context[256, 64, uint32]
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template hmacSizeBlock*(h: typedesc): int =
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when (h is Sha2Context):
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int(h.bsize)
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else:
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{.fatal: "Choosen hash primitive is not yet supported!".}
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type
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HMAC*[HashType] = object
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## HMAC context object.
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mdctx: HashType
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opadctx: HashType
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ipad: array[HashType.hmacSizeBlock, byte]
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opad: array[HashType.hmacSizeBlock, byte]
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func hkdfExtract*[T;S,I: char|byte](ctx: var HMAC[T],
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prk: var MDigest[T.bits], # <------- error here "Error: type expected"
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salt: openArray[S],
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ikm: openArray[I]
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) =
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discard
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var ctx: HMAC[sha256]
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var prk: MDigest[sha256.bits]
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let salt = [byte 0x00, 0x01, 0x02]
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let ikm = "CompletelyRandomInput"
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ctx.hkdfExtract(prk, salt, ikm)
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