Convert zip32 crate into a module of zcash_primitives

zcash_primitives/Cargo.toml

@@ -6,9 +6,11 @@ authors = [
 ]
 
 [dependencies]
+aes = "0.2"
 byteorder = "1"
 crypto_api_chachapoly = "0.1"
 ff = { path = "../ff" }
+fpe = "0.1"
 hex = "0.3"
 lazy_static = "1"
 pairing = { path = "../pairing" }

zcash_primitives/src/lib.rs

@@ -1,10 +1,12 @@
 #[macro_use]
 extern crate lazy_static;
 
+extern crate aes;
 extern crate blake2_rfc;
 extern crate byteorder;
 extern crate crypto_api_chachapoly;
 extern crate ff;
+extern crate fpe;
 extern crate hex;
 extern crate pairing;
 extern crate rand;
@@ -19,6 +21,7 @@ pub mod note_encryption;
 pub mod sapling;
 mod serialize;
 pub mod transaction;
+pub mod zip32;
 
 #[cfg(test)]
 mod test_vectors;