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https://github.com/logos-storage/logos-storage-nim.git
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6559ff6f04
Minimal working version with lots of error checks and corrections still needed. - using Bearssl RSA code through libp2p - with selecteble BigInt library for experimentation Signed-off-by: Csaba Kiraly <csaba.kiraly@gmail.com>
23 lines
682 B
Nim
23 lines
682 B
Nim
## Nim-POS
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## Copyright (c) 2021 Status Research & Development GmbH
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## Licensed under either of
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## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
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## * MIT license ([LICENSE-MIT](LICENSE-MIT))
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## at your option.
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## This file may not be copied, modified, or distributed except according to
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## those terms.
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import stint
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export stint
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type BigInt* = StUInt[4096] #TODO: check why 2048 is not enough
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proc fromBytesBE*(x: openArray[byte], l: int): BigInt =
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result = BigInt.fromBytesBE(x[0..l-1])
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proc to256BytesBE*(msg: BigInt): array[256, byte] =
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stuint(msg, 2048).toBytesBE()
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proc initBigInt*(n: SomeInteger): (BigInt) =
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result = stuint(n, BigInt.bits)
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