31 lines
1.0 KiB
Nim
31 lines
1.0 KiB
Nim
import
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std/sugar,
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libp2p/crypto/[crypto, secp]
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from secp256k1 import ecdhRaw, SkEcdhRawSecret, toRaw
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proc fromHex*(T: type PrivateKey, data: string): Result[PrivateKey, cstring] =
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let skKey = ? SkPrivateKey.init(data).mapErr(e =>
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("Failed to init private key from hex string: " & $e).cstring)
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ok PrivateKey.init(skKey)
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proc fromHex*(T: type PublicKey, data: string): Result[PublicKey, cstring] =
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let skKey = ? SkPublicKey.init(data).mapErr(e =>
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("Failed to init public key from hex string: " & $e).cstring)
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ok PublicKey.init(skKey)
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func ecdhRaw*(seckey: SkPrivateKey, pubkey: SkPublicKey): SkEcdhRawSecret {.borrow.}
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proc ecdhRaw*(
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priv: PrivateKey,
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pub: PublicKey): Result[SkEcdhRawSecret, cstring] =
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# TODO: Do we need to support non-secp256k1 schemes?
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if priv.scheme != Secp256k1 or pub.scheme != Secp256k1:
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return err "Must use secp256k1 scheme".cstring
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ok ecdhRaw(priv.skkey, pub.skkey)
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proc toRaw*(pubkey: PublicKey): seq[byte] =
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secp256k1.SkPublicKey(pubkey.skkey).toRaw()[1..^1]
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