diff --git a/Cargo.lock b/Cargo.lock
index 1c9cc94..fd99323 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,8 +1,103 @@
-[root]
-name = "librustzcash"
-version = "0.1.0"
+[[package]]
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 dependencies = [
- "libc 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)",
+ "nodrop 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
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+name = "bellman"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+ "pairing 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
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+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+
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+ "constant_time_eq 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "generic-array 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
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+
+[[package]]
+name = "fuchsia-zircon"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bitflags 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "fuchsia-zircon-sys"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
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+name = "futures"
+version = "0.1.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "typenum 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -10,5 +105,105 @@ name = "libc"
 version = "0.2.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
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diff --git a/Cargo.toml b/Cargo.toml
index 91d9ca3..7bfea8b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,3 +10,7 @@ crate-type = ["staticlib"]
 
 [dependencies]
 libc = "0.2"
+
+[dependencies.sapling-crypto]
+git = "https://github.com/zcash-hackworks/sapling-crypto"
+rev = "e554b473dd10885d232f42237c13282f5b6fee43"
diff --git a/src/rustzcash.rs b/src/rustzcash.rs
index 2a5c324..244d411 100644
--- a/src/rustzcash.rs
+++ b/src/rustzcash.rs
@@ -1,4 +1,6 @@
 extern crate libc;
+extern crate sapling_crypto;
+
 use libc::uint64_t;
 
 /// XOR two uint64_t values and return the result, used