add wrapper for ESDM & Jitter RNG

botan-sys/build/main.rs

@@ -159,16 +159,14 @@ fn find_botan_include_dir() -> std::path::PathBuf {
         for major in [3, 2] {
             let lib_name = format!("botan-{}", major);
 
-            let statik = if cfg!(feature = "static") {
-                true
-            } else {
-                false
-            };
+            let statik = cfg!(feature = "static");
 
             if let Ok(config) = pkg_config::Config::new().statik(statik).probe(&lib_name) {
                 return config.include_paths[0].clone();
             }
         }
+
+        panic!("Unable to find the headers corresponding with any supported version of Botan");
     }
 
     #[cfg(not(feature = "pkg-config"))]
@@ -206,7 +204,7 @@ fn find_botan_include_dir() -> std::path::PathBuf {
             }
         }
 
-        panic!("Unable to find the headers cooresponding with any supported version of Botan");
+        panic!("Unable to find the headers corresponding with any supported version of Botan");
     }
 }
 

botan/Cargo.toml

@@ -25,4 +25,8 @@ default = ["std"]
 std = []
 vendored = ["botan-sys/vendored"]
 static = ["botan-sys/static"]
-pkg-config = ["botan-sys/pkg-config"]
+pkg-config = ["botan-sys/pkg-config"]
+
+[lints.clippy]
+# introduced because of from_str
+should_implement_trait = "allow"

botan/src/rng.rs

@@ -50,6 +50,45 @@ impl RandomNumberGenerator {
         RandomNumberGenerator::new_of_type("system")
     }
 
+    /// Create a new reference to the ESDM PRNG (fully seeded)
+    ///
+    /// Availability of this RNG depends on botan being compiled
+    /// with ESDM support.
+    ///
+    /// # Examples
+    /// ```ignore
+    /// let esdm_rng = botan::RandomNumberGenerator::new_esdm().unwrap();
+    /// ```
+    pub fn new_esdm() -> Result<RandomNumberGenerator> {
+        RandomNumberGenerator::new_of_type("esdm-full")
+    }
+
+    /// Create a new reference to the ESDM PRNG (with prediction resistance)
+    ///
+    /// Availability of this RNG depends on botan being compiled
+    /// with ESDM support.
+    ///
+    /// # Examples
+    /// ```ignore
+    /// let esdm_rng = botan::RandomNumberGenerator::new_esdm_pr().unwrap();
+    /// ```
+    pub fn new_esdm_pr() -> Result<RandomNumberGenerator> {
+        RandomNumberGenerator::new_of_type("esdm-pr")
+    }
+
+    /// Create a new reference to the Jitter RNG
+    ///
+    /// Availability of this RNG depends on botan being compiled
+    /// with Jitter RNG support.
+    ///
+    /// # Examples
+    /// ```ignore
+    /// let jitter_rng = botan::RandomNumberGenerator::new_jitter().unwrap();
+    /// ```
+    pub fn new_jitter() -> Result<RandomNumberGenerator> {
+        RandomNumberGenerator::new_of_type("jitter")
+    }
+
     /// Create a new reference to an RNG of some arbitrary type
     ///
     /// # Examples