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Clarify signature format for ecverify/ecrecover (#365)

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Hans Svensson 2022-01-11 14:02:40 +01:00 committed by GitHub
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1 changed files with 9 additions and 3 deletions
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docs/sophia_stdlib.md
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@ -311,7 +311,9 @@ the `pubkey`
Crypto.ecverify_secp256k1(msg : hash, addr : bytes(20), sig : bytes(65)) : bool
```
Verifies a signature for a msg against an Ethereum style address
Verifies a signature for a msg against an Ethereum style address. Note that the
signature should be 65 bytes and include the recovery identifier byte `V`. The
expected organization of the signature is (`V || R || S`).
#### ecrecover_secp256k1
@ -319,14 +321,18 @@ Verifies a signature for a msg against an Ethereum style address
Crypto.ecrecover_secp256k1(msg : hash, sig : bytes(65)) : option(bytes(20))
```
Recovers the Ethereum style address from a msg hash and respective signature
Recovers the Ethereum style address from a msg hash and respective
ECDSA-signature. Note that the signature should be 65 bytes and include the
recovery identifier byte `V`. The expected organization of the signature is (`V
|| R || S`).
#### verify_sig_secp256k1
```
Crypto.verify_sig_secp256k1(msg : hash, pubkey : bytes(64), sig : bytes(64)) : bool
```
<!-- TODO -->
Verifies a standard 64-byte ECDSA signature (`R || S`).
### Auth