fix formatting and docs

Signed-off-by: nikita.kalinichenko <thenik185@gmail.com>

Author: Nk185

cryptoki/src/mechanism/ekdf.rs

@@ -1,7 +1,7 @@
 // Copyright 2021 Contributors to the Parsec project.
 // SPDX-License-Identifier: Apache-2.0
 //! Mechanisms of key derivation by data encryption
-//! See: https://docs.oasis-open.org/pkcs11/pkcs11-spec/v3.1/os/pkcs11-spec-v3.1-os.html#_Toc111203514
+//! See: <https://docs.oasis-open.org/pkcs11/pkcs11-spec/v3.1/os/pkcs11-spec-v3.1-os.html#_Toc111203514>
 
 use std::{convert::TryInto, marker::PhantomData, slice};
 

cryptoki/src/mechanism/mechanism_info.rs

@@ -79,7 +79,6 @@ impl MechanismInfo {
     }
 
     /// True if the mechanism can be used to digest a message
-    ///
     // TODO See [`Session::digest`](crate::session::Session::digest)
     pub fn digest(&self) -> bool {
         self.flags.contains(MechanismInfoFlags::DIGEST)
@@ -228,7 +227,10 @@ impl std::fmt::Display for MechanismInfo {
                 if self.max_key_size == 0 {
                     format!(", min_key_size={}", self.min_key_size)
                 } else {
-                    format!(", min_key_size={}, max_key_size={}", self.min_key_size, self.max_key_size)
+                    format!(
+                        ", min_key_size={}, max_key_size={}",
+                        self.min_key_size, self.max_key_size
+                    )
                 }
             }
         };

cryptoki/src/mechanism/mod.rs

@@ -3,10 +3,10 @@
 //! Data types for mechanisms
 
 pub mod aead;
+pub mod ekdf;
 pub mod elliptic_curve;
 mod mechanism_info;
 pub mod rsa;
-pub mod ekdf;
 
 use crate::error::Error;
 use cryptoki_sys::*;
@@ -17,8 +17,8 @@ use std::fmt::Formatter;
 use std::ops::Deref;
 use std::ptr::null_mut;
 
+use crate::mechanism::rsa::PkcsOaepParams;
 pub use mechanism_info::MechanismInfo;
-use crate::mechanism::rsa::{PkcsOaepParams, PkcsOaepSource};
 
 #[derive(Copy, Debug, Clone, PartialEq, Eq)]
 // transparent so that a vector of MechanismType should have the same layout than a vector of
@@ -67,7 +67,9 @@ impl MechanismType {
     pub const AES_GCM: MechanismType = MechanismType { val: CKM_AES_GCM };
 
     /// Derivation via encryption
-    pub const AES_CBC_ENCRYPT_DATA: MechanismType = MechanismType { val: CKM_AES_CBC_ENCRYPT_DATA };
+    pub const AES_CBC_ENCRYPT_DATA: MechanismType = MechanismType {
+        val: CKM_AES_CBC_ENCRYPT_DATA,
+    };
 
     // RSA
     /// PKCS #1 RSA key pair generation mechanism
@@ -247,8 +249,8 @@ impl MechanismType {
         val: CKM_SHA512_RSA_PKCS_PSS,
     };
     /// GENERIC-SECRET-KEY-GEN mechanism
-    pub const GENERIC_SECRET_KEY_GEN: MechanismType = MechanismType{
-        val: CKM_GENERIC_SECRET_KEY_GEN
+    pub const GENERIC_SECRET_KEY_GEN: MechanismType = MechanismType {
+        val: CKM_GENERIC_SECRET_KEY_GEN,
     };
 
     pub(crate) fn stringify(mech: CK_MECHANISM_TYPE) -> String {
@@ -706,7 +708,7 @@ pub enum Mechanism<'a> {
     /// derivation of keys using the result of an encryption operation as the key value.
     ///
     /// For derivation, the message length must be a multiple of the block
-    /// size. See https://www.cryptsoft.com/pkcs11doc/v220/
+    /// size. See <https://www.cryptsoft.com/pkcs11doc/v220/>.
     AesCbcEncryptData(ekdf::AesCbcDeriveParams<'a>),
 
     // RSA
@@ -837,7 +839,7 @@ pub enum Mechanism<'a> {
     Sha512RsaPkcsPss(rsa::PkcsPssParams),
 
     /// GENERIC-SECRET-KEY-GEN mechanism
-    GenericSecretKeyGen
+    GenericSecretKeyGen,
 }
 
 impl Mechanism<'_> {
@@ -851,7 +853,7 @@ impl Mechanism<'_> {
             Mechanism::AesKeyWrap => MechanismType::AES_KEY_WRAP,
             Mechanism::AesKeyWrapPad => MechanismType::AES_KEY_WRAP_PAD,
             Mechanism::AesGcm(_) => MechanismType::AES_GCM,
-            Mechanism::AesCbcEncryptData(_) =>MechanismType::AES_CBC_ENCRYPT_DATA,
+            Mechanism::AesCbcEncryptData(_) => MechanismType::AES_CBC_ENCRYPT_DATA,
             Mechanism::RsaPkcsKeyPairGen => MechanismType::RSA_PKCS_KEY_PAIR_GEN,
             Mechanism::RsaPkcs => MechanismType::RSA_PKCS,
             Mechanism::RsaPkcsPss(_) => MechanismType::RSA_PKCS_PSS,
@@ -897,7 +899,7 @@ impl Mechanism<'_> {
             Mechanism::Sha384RsaPkcsPss(_) => MechanismType::SHA384_RSA_PKCS_PSS,
             Mechanism::Sha512RsaPkcsPss(_) => MechanismType::SHA512_RSA_PKCS_PSS,
 
-            Mechanism::GenericSecretKeyGen => MechanismType::GENERIC_SECRET_KEY_GEN
+            Mechanism::GenericSecretKeyGen => MechanismType::GENERIC_SECRET_KEY_GEN,
         }
     }
 }
@@ -907,13 +909,10 @@ impl From<&Mechanism<'_>> for CK_MECHANISM {
         let mechanism = mech.mechanism_type().into();
         match mech {
             // Mechanisms with parameters
-            Mechanism::AesCbc(params)
-            | Mechanism::AesCbcPad(params) => {
+            Mechanism::AesCbc(params) | Mechanism::AesCbcPad(params) => {
                 make_mechanism(mechanism, params)
-            },
-            Mechanism::AesCbcEncryptData(params) => {
-                make_mechanism(mechanism, params)
-            },
+            }
+            Mechanism::AesCbcEncryptData(params) => make_mechanism(mechanism, params),
             Mechanism::DesCbc(params)
             | Mechanism::Des3Cbc(params)
             | Mechanism::DesCbcPad(params)
@@ -1021,7 +1020,7 @@ impl TryFrom<psa_crypto::types::algorithm::Algorithm> for Mechanism<'_> {
                 Ok(Mechanism::RsaPkcsOaep(PkcsOaepParams::new(
                     Mechanism::try_from(Algorithm::from(hash_alg))?.mechanism_type(),
                     rsa::PkcsMgfType::from_psa_crypto_hash(hash_alg)?,
-                    PkcsOaepSource::empty(),
+                    rsa::PkcsOaepSource::empty(),
                 )))
             }
             alg => {