RUSTSEC-2021-0076 bump libsecp256k1 (paritytech#9391)

* RUSTSEC-2021-0076 bump libsecp256k1

libsecp256k1 allows overflowing signatures
https://rustsec.org/advisories/RUSTSEC-2021-0076

Changes were made to conform to libsecp256k1 version differences.

Closes paritytech#9356

* parse_standard_slice() -> parse_overflowing_slice()

* Added v2 host function for ecdsa_verify

* Add feature tag over helpers

* Added ecdsa_verify v2 to test runner

* PR feedback

- Spaces -> tabs
- renamed two helper functions

* Fixed imports after rebasing

* Bump rest of libsecp256k1

* Add version2 for ecdsa pubkey recovery

* Update primitives/core/src/ecdsa.rs

* Update primitives/core/src/ecdsa.rs

* Update Cargo.lock

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

Cargo.toml

@@ -208,8 +208,6 @@ members = [
 #
 # This list is ordered alphabetically.
 [profile.dev.package]
-aes-soft = { opt-level = 3 }
-aesni = { opt-level = 3 }
 blake2 = { opt-level = 3 }
 blake2-rfc = { opt-level = 3 }
 blake2b_simd = { opt-level = 3 }

client/executor/Cargo.toml

@@ -35,7 +35,7 @@ sc-executor-wasmi = { version = "0.9.0", path = "wasmi" }
 sc-executor-wasmtime = { version = "0.9.0", path = "wasmtime", optional = true }
 parking_lot = "0.11.1"
 log = "0.4.8"
-libsecp256k1 = "0.3.4"
+libsecp256k1 = "0.6"
 
 [dev-dependencies]
 assert_matches = "1.3.0"

primitives/core/Cargo.toml

@@ -49,7 +49,7 @@ schnorrkel = { version = "0.9.1", features = ["preaudit_deprecated", "u64_backen
 sha2 = { version = "0.9.2", default-features = false, optional = true }
 hex = { version = "0.4", default-features = false, optional = true }
 twox-hash = { version = "1.5.0", default-features = false, optional = true }
-libsecp256k1 = { version = "0.3.2", default-features = false, features = ["hmac"], optional = true }
+libsecp256k1 = { version = "0.6", default-features = false, features = ["hmac", "static-context"], optional = true }
 merlin = { version = "2.0", default-features = false, optional = true }
 
 sp-runtime-interface = { version = "3.0.0", default-features = false, path = "../runtime-interface" }