Rename *result* to finalize

Implements the API changes from:

RustCrypto/traits#161

The `digest` crate now uses `update` and `finalize` nomenclature
ala the Initialize-Update-Finalize (IUF) interface naming scheme.

examples/blake2b_sum.rs

@@ -28,7 +28,7 @@ fn process<D: Digest + Default, R: Read>(reader: &mut R, name: &str) {
             break;
         }
     }
-    print_result(&sh.result(), name);
+    print_result(&sh.finalize(), name);
 }
 
 fn main() {

examples/blake2s_sum.rs

@@ -28,7 +28,7 @@ fn process<D: Digest + Default, R: Read>(reader: &mut R, name: &str) {
             break;
         }
     }
-    print_result(&sh.result(), name);
+    print_result(&sh.finalize(), name);
 }
 
 fn main() {

src/blake2.rs

@@ -290,7 +290,7 @@ macro_rules! blake2_impl {
                 self.n
             }
 
-            fn variable_result<F: FnOnce(&[u8])>(self, f: F) {
+            fn finalize_variable<F: FnOnce(&[u8])>(self, f: F) {
                 let n = self.n;
                 let res = self.finalize_with_flag(0);
                 f(&res[..n]);
@@ -343,7 +343,7 @@ macro_rules! blake2_impl {
         impl FixedOutput for $fix_state {
             type OutputSize = $bytes;
 
-            fn fixed_result(self) -> Output {
+            fn finalize_fixed(self) -> Output {
                 self.state.finalize_with_flag(0)
             }
         }
@@ -381,7 +381,7 @@ macro_rules! blake2_impl {
                 <Self as Reset>::reset(self)
             }
 
-            fn result(self) -> crypto_mac::Output<Self> {
+            fn finalize(self) -> crypto_mac::Output<Self> {
                 crypto_mac::Output::new(self.state.finalize_with_flag(0))
             }
         }

src/lib.rs

@@ -15,7 +15,7 @@
 //! hasher.update(b"hello world");
 //!
 //! // read hash digest and consume hasher
-//! let res = hasher.result();
+//! let res = hasher.finalize();
 //! assert_eq!(res[..], hex!("
 //!     021ced8799296ceca557832ab941a50b4a11f83478cf141f51f933f653ab9fbc
 //!     c05a037cddbed06e309bf334942c4e58cdf1a46e237911ccd7fcf9787cbc7fd0
@@ -24,7 +24,7 @@
 //! // same example for `Blake2s`:
 //! let mut hasher = Blake2s::new();
 //! hasher.update(b"hello world");
-//! let res = hasher.result();
+//! let res = hasher.finalize();
 //! assert_eq!(res[..], hex!("
 //!     9aec6806794561107e594b1f6a8a6b0c92a0cba9acf5e5e93cca06f781813b0b
 //! ")[..]);
@@ -44,7 +44,7 @@
 //!
 //! let mut hasher = VarBlake2b::new(10).unwrap();
 //! hasher.update(b"my_input");
-//! hasher.variable_result(|res| {
+//! hasher.finalize_variable(|res| {
 //!     assert_eq!(res, [44, 197, 92, 132, 228, 22, 146, 78, 100, 0])
 //! })
 //! ```
@@ -62,7 +62,7 @@
 //!
 //! // `result` has type `crypto_mac::Output` which is a thin wrapper around
 //! // a byte array and provides a constant time equality check
-//! let result = hasher.result();
+//! let result = hasher.finalize();
 //! // To get underlying array use the `into_bytes` method, but be careful,
 //! // since incorrect use of the code value may permit timing attacks which
 //! // defeat the security provided by the `crypto_mac::Output`

tests/persona.rs

@@ -8,7 +8,7 @@ fn blake2s_persona() {
     let persona_bytes = persona.as_bytes();
     let ctx = Blake2s::with_params(&key_bytes, &[], persona_bytes);
     assert_eq!(
-        ctx.result().as_slice(),
+        ctx.finalize().as_slice(),
         &hex!("25a4ee63b594aed3f88a971e1877ef7099534f9097291f88fb86c79b5e70d022")[..]
     );
 }
@@ -19,5 +19,5 @@ fn blake2b_persona() {
     let persona = "personal";
     let persona_bytes = persona.as_bytes();
     let ctx = Blake2b::with_params(&key_bytes, &[], persona_bytes);
-    assert_eq!(ctx.result().as_slice(), &hex!("03de3b295dcfc3b25b05abb09bc95fe3e9ff3073638badc68101d1e42019d0771dd07525a3aae8318e92c5e5d967ba92e4810d0021d7bf3b49da0b4b4a8a4e1f")[..]);
+    assert_eq!(ctx.finalize().as_slice(), &hex!("03de3b295dcfc3b25b05abb09bc95fe3e9ff3073638badc68101d1e42019d0771dd07525a3aae8318e92c5e5d967ba92e4810d0021d7bf3b49da0b4b4a8a4e1f")[..]);
 }