BLS Core Crypto attempt #2 (#13618)

* Cherry pick all crypto related changes from pull-request #13311
applied to master's head

* Import some stuff just if 'full_crypto' is on

* Remove copyright year

* Cleanup

* First generic BLS draft

* Finalize generic implementation

* Restore tests

* Fix rust docs

* Fix after master merge

* Fix after master merge

* Use double bls with G1 as signature group and verify individual signatures using DLEQ proof.

* Fix inclusions and types used within substrate

* Remove unused cruft

* Restore usage of upstream crates

* Fix test

* Reduce the diff by aligning Cargo.lock to master

* Application-crypto provides bls381

* Implement bls381 for local keystore

* Use new generic keystore features

* import DoublePublickey[Scheme] from the bls-like root to be less confusing.

* fix compilation

* Apply suggestions from code review

Co-authored-by: Robert Hambrock <roberthambrock@gmail.com>

* Clean leftovers

* - update bls test vector after applying spec change recommendation.
- send message as ref.

* Different hard junction ids for different bls12 types

* update to new bls-like

* bls-like → w3f-bls

* Make clippy happy

* update test vector after replacing hash and crop with hash to field.

* cargo fmt

* account for #13972

* hide BLS behind "bls_non_production" feature flag

* Remove Cargo.lock entries duplicated in merge

* add bls377 to primitives/keystore and client/keystore
add bls377 to primitives/application-crypto/
add bls_non_production to primitives/keystore and client/keystore
bump up w3f-bls version

* rename feature `bls_non_production` to `bls-experimental`

---------

Co-authored-by: Davide Galassi <davxy@datawok.net>
Co-authored-by: André Silva <andrerfosilva@gmail.com>
Co-authored-by: Robert Hambrock <roberthambrock@gmail.com>

substrate/primitives/core/Cargo.toml

@@ -52,6 +52,8 @@ secp256k1 = { version = "0.24.0", default-features = false, features = ["recover
 ss58-registry = { version = "1.34.0", default-features = false }
 sp-core-hashing = { version = "5.0.0", path = "./hashing", default-features = false, optional = true }
 sp-runtime-interface = { version = "7.0.0", default-features = false, path = "../runtime-interface" }
+# bls crypto
+w3f-bls = { version = "0.1.3", default-features = false, optional = true}
 
 [dev-dependencies]
 sp-serializer = { version = "4.0.0-dev", path = "../serializer" }
@@ -59,6 +61,7 @@ rand = "0.8.5"
 criterion = "0.4.0"
 serde_json = "1.0"
 sp-core-hashing-proc-macro = { version = "5.0.0", path = "./hashing/proc-macro" }
+hex-literal = "0.3.4"
 
 [[bench]]
 name = "bench"
@@ -125,3 +128,7 @@ full_crypto = [
 	"sp-core-hashing",
 	"sp-runtime-interface/disable_target_static_assertions",
 ]
+
+# This feature adds BLS crypto primitives. It should not be used in production since
+# the BLS implementation and interface may still be subject to significant change.
+bls-experimental = ["w3f-bls"]