Update openssl to 0.10 and fix some breakage

Author: jtgeibel

Cargo.lock

@@ -35,7 +35,7 @@ semver = "0.5"
 url = "1.2"
 tar = "0.4.13"
 
-openssl = "0.9.14"
+openssl = "0.10.0"
 curl = "0.4"
 oauth2 = "0.3"
 log = "0.3"

Cargo.toml

@@ -13,7 +13,7 @@ name = "s3"
 path = "lib.rs"
 
 [dependencies]
-openssl = "0.9"
+openssl = "0.10"
 chrono = "0.4"
 curl = "0.4"
 base64 = "0.6"

src/s3/Cargo.toml

@@ -5,7 +5,7 @@ use openssl::hash::{Hasher, MessageDigest};
 pub fn hash(data: &[u8]) -> Vec<u8> {
     let mut hasher = Hasher::new(MessageDigest::sha256()).unwrap();
     hasher.update(data).unwrap();
-    hasher.finish2().unwrap().to_vec()
+    hasher.finish().unwrap().to_vec()
 }
 
 // Can't derive debug because of Hasher.
@@ -24,13 +24,7 @@ impl<R: Read> HashingReader<R> {
     }
 
     pub fn finalize(mut self) -> Vec<u8> {
-        /*
-            rustfmt wanted to merge the lines together so had to use this
-            to stop this from occurring
-        */
-        #[cfg_attr(rustfmt, rustfmt_skip)]
-        #[allow(deprecated)]
-        self.hasher.finish().unwrap()
+        self.hasher.finish().unwrap().to_vec()
     }
 }