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Introduce Ristretto signing (#1730)

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* first draft of ristretto crypto module #1685

* adds better comments and code-style

* remove the last evil unwrap

* remove a mistakenly committed lockfile

* add a fresh new lockfile --will probably need a manual merge later

* fix an invalid old test vector

* Wire in ristretto

* Update comment

* Fix use.

* new Signature type api alias to be compatible with substrate

* Add new keyring, fix node executor tests

* Bump version.

* Remove all hashes.

* Update core/primitives/src/sr25519.rs

Co-Authored-By: gavofyork <github@gavwood.com>

* Revert back to Ed25519 (until JS UI is ready)

* Fix test
This commit is contained in:
Gav Wood
2019-02-13 10:10:17 +01:00
committed by GitHub
parent 9e2710246f
commit a61c218cc3
20 changed files with 1474 additions and 250 deletions
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substrate/core/sr-io/with_std.rs
+6 -1
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@@ -17,7 +17,7 @@
#[doc(hidden)]
pub use parity_codec as codec;
// re-export hashing functions.
pub use primitives::{blake2_256, twox_128, twox_256, ed25519, Blake2Hasher};
pub use primitives::{blake2_256, twox_128, twox_256, ed25519, Blake2Hasher, sr25519};
pub use tiny_keccak::keccak256 as keccak_256;
// Switch to this after PoC-3
// pub use primitives::BlakeHasher;
@@ -189,6 +189,11 @@ pub fn ed25519_verify<P: AsRef<[u8]>>(sig: &[u8; 64], msg: &[u8], pubkey: P) ->
ed25519::verify(sig, msg, pubkey)
}
/// Verify an sr25519 signature.
pub fn sr25519_verify<P: AsRef<[u8]>>(sig: &[u8; 64], msg: &[u8], pubkey: P) -> bool {
sr25519::verify(sig, msg, pubkey)
}
/// Verify and recover a SECP256k1 ECDSA signature.
/// - `sig` is passed in RSV format. V should be either 0/1 or 27/28.
/// - returns `Err` if the signatue is bad, otherwise the 64-byte pubkey (doesn't include the 0x04 prefix).