clean up lots of things, server-side API improved

sasl/src/secret.rs

@@ -0,0 +1,74 @@
+pub trait SecretKind {
+    type Value: PartialEq;
+}
+
+pub trait Pbkdf2SecretValue {
+    fn salt(&self) -> &[u8];
+    fn iterations(&self) -> usize;
+    fn digest(&self) -> &[u8];
+}
+
+pub struct Plain;
+
+#[derive(PartialEq)]
+pub struct PlainValue(pub String);
+
+impl SecretKind for Plain {
+    type Value = PlainValue;
+}
+
+pub struct Pbkdf2Sha1 {
+    pub salt: Vec<u8>,
+    pub iterations: usize,
+}
+
+#[derive(PartialEq)]
+pub struct Pbkdf2Sha1Value {
+    pub salt: Vec<u8>,
+    pub iterations: usize,
+    pub digest: Vec<u8>,
+}
+
+impl SecretKind for Pbkdf2Sha1 {
+    type Value = Pbkdf2Sha1Value;
+}
+
+impl Pbkdf2SecretValue for Pbkdf2Sha1Value {
+    fn salt(&self) -> &[u8] {
+        &self.salt
+    }
+    fn iterations(&self) -> usize {
+        self.iterations
+    }
+    fn digest(&self) -> &[u8] {
+        &self.digest
+    }
+}
+
+pub struct Pbkdf2Sha256 {
+    pub salt: Vec<u8>,
+    pub iterations: usize,
+}
+
+#[derive(PartialEq)]
+pub struct Pbkdf2Sha256Value {
+    pub salt: Vec<u8>,
+    pub iterations: usize,
+    pub digest: Vec<u8>,
+}
+
+impl SecretKind for Pbkdf2Sha256 {
+    type Value = Pbkdf2Sha256Value;
+}
+
+impl Pbkdf2SecretValue for Pbkdf2Sha256Value {
+    fn salt(&self) -> &[u8] {
+        &self.salt
+    }
+    fn iterations(&self) -> usize {
+        self.iterations
+    }
+    fn digest(&self) -> &[u8] {
+        &self.digest
+    }
+}