42 lines
1.3 KiB
Nim
42 lines
1.3 KiB
Nim
# beacon_chain
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# Copyright (c) 2018 Status Research & Development GmbH
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at http://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at http://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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# At the time of writing, the exact definitions of what should be used for
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# cryptography in the spec is in flux, with sizes and test vectors still being
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# hashed out. This layer helps isolate those chagnes.
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import
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milagro_crypto, hashes
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type
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ValidatorPubKey* = milagro_crypto.VerKey
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ValidatorPrivKey* = milagro_crypto.SigKey
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ValidatorSig* = milagro_crypto.Signature
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template hash*(k: ValidatorPubKey|ValidatorPrivKey): Hash =
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hash(k.getRaw)
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func pubKey*(pk: ValidatorPrivKey): ValidatorPubKey = fromSigKey(pk)
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func BLSAddPubkeys*(keys: openArray[ValidatorPubKey]): ValidatorPubKey =
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# name from spec!
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var empty = false
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for key in keys:
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if empty:
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result = key
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empty = false
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else:
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result.combine(key)
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func BLSVerify*(
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pubkey: ValidatorPubKey, msg: openArray[byte], sig: ValidatorSig,
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domain: uint64): bool =
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# name from spec!
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# TODO domain!
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sig.verifyMessage(msg, pubkey)
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