Merge pull request filecoin-project#9 from filecoin-project/feat/hash-to-curve

feat: hash to curve, based on RFC

Author: dignifiedquire

Cargo.toml

@@ -23,6 +23,8 @@ serde = { version = "1.0", optional = true, features = ["derive"] }
 fff = { version = "0.2.0", features = ["derive"] }
 groupy = "0.3.0"
 rand_core = "0.5"
+hkdf = "0.8.0"
+sha2ni = "0.8.1"
 
 [dev-dependencies]
 rand_xorshift = "0.2"
@@ -35,4 +37,3 @@ default = []
 
 [badges]
 maintenance = { status = "actively-developed" }
-

rust-toolchain

@@ -1 +1 @@
-nightly-2019-11-06
+nightly-2020-02-17