// Copyright 2017 Marcus Heese // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #![allow(non_camel_case_types, non_snake_case)] extern crate libloading; extern crate num_bigint; #[cfg(test)] #[macro_use] extern crate serial_test_derive; #[cfg(test)] mod tests; /// This module is basically a full conversion of the `pkcs11t.h` C header file. pub mod types; /// This module is basically a full conversion of the `pkcs11f.h` C header file. pub mod functions; /// The error types are defined here - they are used throughout the crate. pub mod errors; use types::*; use functions::*; use errors::Error; use std::mem; use std::path::Path; use std::ptr; use std::ffi::CString; //use libc::c_uchar; trait CkFrom { fn from(T) -> Self; } impl CkFrom for CK_BBOOL { fn from(b: bool) -> Self { match b { true => 1, false => 0, } } } impl CkFrom for bool { fn from(b: CK_BBOOL) -> bool { match b { 0 => false, _ => true, } } } fn label_from_str(label: &str) -> [CK_UTF8CHAR; 32] { // initialize a fixed-size array with whitespace characters let mut lab: [CK_UTF8CHAR; 32] = [32; 32]; let mut i = 0; for c in label.chars() { if i + c.len_utf8() <= 32 { let mut buf = [0; 4]; let bytes = c.encode_utf8(&mut buf).as_bytes(); for b in bytes { lab[i] = b.clone(); i += 1; } } else { break; } } lab } #[derive(Debug)] pub struct Ctx { lib: libloading::Library, _is_initialized: bool, version: CK_VERSION, C_Initialize: C_Initialize, C_Finalize: C_Finalize, C_GetInfo: C_GetInfo, C_GetFunctionList: C_GetFunctionList, C_GetSlotList: C_GetSlotList, C_GetSlotInfo: C_GetSlotInfo, C_GetTokenInfo: C_GetTokenInfo, C_GetMechanismList: C_GetMechanismList, C_GetMechanismInfo: C_GetMechanismInfo, C_InitToken: C_InitToken, C_InitPIN: C_InitPIN, C_SetPIN: C_SetPIN, C_OpenSession: C_OpenSession, C_CloseSession: C_CloseSession, C_CloseAllSessions: C_CloseAllSessions, C_GetSessionInfo: C_GetSessionInfo, C_GetOperationState: C_GetOperationState, C_SetOperationState: C_SetOperationState, C_Login: C_Login, C_Logout: C_Logout, C_CreateObject: C_CreateObject, C_CopyObject: C_CopyObject, C_DestroyObject: C_DestroyObject, C_GetObjectSize: C_GetObjectSize, C_GetAttributeValue: C_GetAttributeValue, C_SetAttributeValue: C_SetAttributeValue, C_FindObjectsInit: C_FindObjectsInit, C_FindObjects: C_FindObjects, C_FindObjectsFinal: C_FindObjectsFinal, C_EncryptInit: C_EncryptInit, C_Encrypt: C_Encrypt, C_EncryptUpdate: C_EncryptUpdate, C_EncryptFinal: C_EncryptFinal, C_DecryptInit: C_DecryptInit, C_Decrypt: C_Decrypt, C_DecryptUpdate: C_DecryptUpdate, C_DecryptFinal: C_DecryptFinal, C_DigestInit: C_DigestInit, C_Digest: C_Digest, C_DigestUpdate: C_DigestUpdate, C_DigestKey: C_DigestKey, C_DigestFinal: C_DigestFinal, C_SignInit: C_SignInit, C_Sign: C_Sign, C_SignUpdate: C_SignUpdate, C_SignFinal: C_SignFinal, C_SignRecoverInit: C_SignRecoverInit, C_SignRecover: C_SignRecover, C_VerifyInit: C_VerifyInit, C_Verify: C_Verify, C_VerifyUpdate: C_VerifyUpdate, C_VerifyFinal: C_VerifyFinal, C_VerifyRecoverInit: C_VerifyRecoverInit, C_VerifyRecover: C_VerifyRecover, C_DigestEncryptUpdate: C_DigestEncryptUpdate, C_DecryptDigestUpdate: C_DecryptDigestUpdate, C_SignEncryptUpdate: C_SignEncryptUpdate, C_DecryptVerifyUpdate: C_DecryptVerifyUpdate, C_GenerateKey: C_GenerateKey, C_GenerateKeyPair: C_GenerateKeyPair, C_WrapKey: C_WrapKey, C_UnwrapKey: C_UnwrapKey, C_DeriveKey: C_DeriveKey, C_SeedRandom: C_SeedRandom, C_GenerateRandom: C_GenerateRandom, C_GetFunctionStatus: C_GetFunctionStatus, C_CancelFunction: C_CancelFunction, // Functions added in for Cryptoki Version 2.01 or later C_WaitForSlotEvent: Option, } impl Ctx { pub fn new

(filename: P) -> Result where P: AsRef, { unsafe { let lib = libloading::Library::new(filename.as_ref())?; let mut list: CK_FUNCTION_LIST_PTR = mem::uninitialized(); { let func: libloading::Symbol CK_RV> = lib.get(b"C_GetFunctionList")?; match func(&mut list) { CKR_OK => (), err => return Err(Error::Pkcs11(err)), } } Ok(Ctx { lib: lib, _is_initialized: false, version: (*list).version.clone(), C_Initialize: (*list).C_Initialize.ok_or(Error::Module("C_Initialize function not found"))?, C_Finalize: (*list).C_Finalize.ok_or(Error::Module("C_Finalize function not found"))?, C_GetInfo: (*list).C_GetInfo.ok_or(Error::Module("C_GetInfo function not found"))?, C_GetFunctionList: (*list).C_GetFunctionList.ok_or(Error::Module("C_GetFunctionList function not found"))?, C_GetSlotList: (*list).C_GetSlotList.ok_or(Error::Module("C_GetSlotList function not found"))?, C_GetSlotInfo: (*list).C_GetSlotInfo.ok_or(Error::Module("C_GetSlotInfo function not found"))?, C_GetTokenInfo: (*list).C_GetTokenInfo.ok_or(Error::Module("C_GetTokenInfo function not found"))?, C_GetMechanismList: (*list).C_GetMechanismList.ok_or(Error::Module("C_GetMechanismList function not found"))?, C_GetMechanismInfo: (*list).C_GetMechanismInfo.ok_or(Error::Module("C_GetMechanismInfo function not found"))?, C_InitToken: (*list).C_InitToken.ok_or(Error::Module("C_InitToken function not found"))?, C_InitPIN: (*list).C_InitPIN.ok_or(Error::Module("C_InitPIN function not found"))?, C_SetPIN: (*list).C_SetPIN.ok_or(Error::Module("C_SetPIN function not found"))?, C_OpenSession: (*list).C_OpenSession.ok_or(Error::Module("C_OpenSession function not found"))?, C_CloseSession: (*list).C_CloseSession.ok_or(Error::Module("C_CloseSession function not found"))?, C_CloseAllSessions: (*list).C_CloseAllSessions.ok_or(Error::Module("C_CloseAllSessions function not found"))?, C_GetSessionInfo: (*list).C_GetSessionInfo.ok_or(Error::Module("C_GetSessionInfo function not found"))?, C_GetOperationState: (*list).C_GetOperationState.ok_or(Error::Module("C_GetOperationState function not found"))?, C_SetOperationState: (*list).C_SetOperationState.ok_or(Error::Module("C_SetOperationState function not found"))?, C_Login: (*list).C_Login.ok_or(Error::Module("C_Login function not found"))?, C_Logout: (*list).C_Logout.ok_or(Error::Module("C_Logout function not found"))?, C_CreateObject: (*list).C_CreateObject.ok_or(Error::Module("C_CreateObject function not found"))?, C_CopyObject: (*list).C_CopyObject.ok_or(Error::Module("C_CopyObject function not found"))?, C_DestroyObject: (*list).C_DestroyObject.ok_or(Error::Module("C_DestroyObject function not found"))?, C_GetObjectSize: (*list).C_GetObjectSize.ok_or(Error::Module("C_GetObjectSize function not found"))?, C_GetAttributeValue: (*list).C_GetAttributeValue.ok_or(Error::Module("C_GetAttributeValue function not found"))?, C_SetAttributeValue: (*list).C_SetAttributeValue.ok_or(Error::Module("C_SetAttributeValue function not found"))?, C_FindObjectsInit: (*list).C_FindObjectsInit.ok_or(Error::Module("C_FindObjectsInit function not found"))?, C_FindObjects: (*list).C_FindObjects.ok_or(Error::Module("C_FindObjects function not found"))?, C_FindObjectsFinal: (*list).C_FindObjectsFinal.ok_or(Error::Module("C_FindObjectsFinal function not found"))?, C_EncryptInit: (*list).C_EncryptInit.ok_or(Error::Module("C_EncryptInit function not found"))?, C_Encrypt: (*list).C_Encrypt.ok_or(Error::Module("C_Encrypt function not found"))?, C_EncryptUpdate: (*list).C_EncryptUpdate.ok_or(Error::Module("C_EncryptUpdate function not found"))?, C_EncryptFinal: (*list).C_EncryptFinal.ok_or(Error::Module("C_EncryptFinal function not found"))?, C_DecryptInit: (*list).C_DecryptInit.ok_or(Error::Module("C_DecryptInit function not found"))?, C_Decrypt: (*list).C_Decrypt.ok_or(Error::Module("C_Decrypt function not found"))?, C_DecryptUpdate: (*list).C_DecryptUpdate.ok_or(Error::Module("C_DecryptUpdate function not found"))?, C_DecryptFinal: (*list).C_DecryptFinal.ok_or(Error::Module("C_DecryptFinal function not found"))?, C_DigestInit: (*list).C_DigestInit.ok_or(Error::Module("C_DigestInit function not found"))?, C_Digest: (*list).C_Digest.ok_or(Error::Module("C_Digest function not found"))?, C_DigestUpdate: (*list).C_DigestUpdate.ok_or(Error::Module("C_DigestUpdate function not found"))?, C_DigestKey: (*list).C_DigestKey.ok_or(Error::Module("C_DigestKey function not found"))?, C_DigestFinal: (*list).C_DigestFinal.ok_or(Error::Module("C_DigestFinal function not found"))?, C_SignInit: (*list).C_SignInit.ok_or(Error::Module("C_SignInit function not found"))?, C_Sign: (*list).C_Sign.ok_or(Error::Module("C_Sign function not found"))?, C_SignUpdate: (*list).C_SignUpdate.ok_or(Error::Module("C_SignUpdate function not found"))?, C_SignFinal: (*list).C_SignFinal.ok_or(Error::Module("C_SignFinal function not found"))?, C_SignRecoverInit: (*list).C_SignRecoverInit.ok_or(Error::Module("C_SignRecoverInit function not found"))?, C_SignRecover: (*list).C_SignRecover.ok_or(Error::Module("C_SignRecover function not found"))?, C_VerifyInit: (*list).C_VerifyInit.ok_or(Error::Module("C_VerifyInit function not found"))?, C_Verify: (*list).C_Verify.ok_or(Error::Module("C_Verify function not found"))?, C_VerifyUpdate: (*list).C_VerifyUpdate.ok_or(Error::Module("C_VerifyUpdate function not found"))?, C_VerifyFinal: (*list).C_VerifyFinal.ok_or(Error::Module("C_VerifyFinal function not found"))?, C_VerifyRecoverInit: (*list).C_VerifyRecoverInit.ok_or(Error::Module("C_VerifyRecoverInit function not found"))?, C_VerifyRecover: (*list).C_VerifyRecover.ok_or(Error::Module("C_VerifyRecover function not found"))?, C_DigestEncryptUpdate: (*list).C_DigestEncryptUpdate.ok_or(Error::Module("C_DigestEncryptUpdate function not found"))?, C_DecryptDigestUpdate: (*list).C_DecryptDigestUpdate.ok_or(Error::Module("C_DecryptDigestUpdate function not found"))?, C_SignEncryptUpdate: (*list).C_SignEncryptUpdate.ok_or(Error::Module("C_SignEncryptUpdate function not found"))?, C_DecryptVerifyUpdate: (*list).C_DecryptVerifyUpdate.ok_or(Error::Module("C_DecryptVerifyUpdate function not found"))?, C_GenerateKey: (*list).C_GenerateKey.ok_or(Error::Module("C_GenerateKey function not found"))?, C_GenerateKeyPair: (*list).C_GenerateKeyPair.ok_or(Error::Module("C_GenerateKeyPair function not found"))?, C_WrapKey: (*list).C_WrapKey.ok_or(Error::Module("C_WrapKey function not found"))?, C_UnwrapKey: (*list).C_UnwrapKey.ok_or(Error::Module("C_UnwrapKey function not found"))?, C_DeriveKey: (*list).C_DeriveKey.ok_or(Error::Module("C_DeriveKey function not found"))?, C_SeedRandom: (*list).C_SeedRandom.ok_or(Error::Module("C_SeedRandom function not found"))?, C_GenerateRandom: (*list).C_GenerateRandom.ok_or(Error::Module("C_GenerateRandom function not found"))?, C_GetFunctionStatus: (*list).C_GetFunctionStatus.ok_or(Error::Module("C_GetFunctionStatus function not found"))?, C_CancelFunction: (*list).C_CancelFunction.ok_or(Error::Module("C_CancelFunction function not found"))?, // Functions added in for Cryptoki Version 2.01 or later C_WaitForSlotEvent: (*list).C_WaitForSlotEvent, }) } } pub fn new_and_initialize

(filename: P) -> Result where P: AsRef, { let mut ctx = Ctx::new(filename)?; ctx.initialize(None)?; Ok(ctx) } pub fn is_initialized(&self) -> bool { self._is_initialized } fn initialized(&self) -> Result<(), Error> { if !self._is_initialized { Err(Error::Module("module not initialized")) } else { Ok(()) } } fn not_initialized(&self) -> Result<(), Error> { if self._is_initialized { Err(Error::Module("module already initialized")) } else { Ok(()) } } pub fn initialize(&mut self, init_args: Option) -> Result<(), Error> { self.not_initialized()?; // if no args are specified, library expects NULL let init_args = match init_args { Some(mut args) => &mut args, None => ptr::null_mut() }; match (self.C_Initialize)(init_args) { CKR_OK => { self._is_initialized = true; Ok(()) } err => Err(Error::Pkcs11(err)), } } pub fn finalize(&mut self) -> Result<(), Error> { self.initialized()?; match (self.C_Finalize)(ptr::null_mut()) { CKR_OK => { self._is_initialized = false; Ok(()) } err => Err(Error::Pkcs11(err)), } } pub fn get_info(&self) -> Result { self.initialized()?; let mut info = CK_INFO::new(); match (self.C_GetInfo)(&mut info) { CKR_OK => Ok(info), err => Err(Error::Pkcs11(err)), } } pub fn get_function_list(&self) -> Result { let mut list: CK_FUNCTION_LIST_PTR = unsafe { mem::uninitialized() }; match (self.C_GetFunctionList)(&mut list) { CKR_OK => unsafe { Ok((*list).clone()) }, err => Err(Error::Pkcs11(err)), } } pub fn get_slot_list(&self, token_present: bool) -> Result, Error> { self.initialized()?; let mut slots_len: CK_ULONG = 0; match (self.C_GetSlotList)(CkFrom::from(token_present), ptr::null_mut(), &mut slots_len) { CKR_OK => { // now slots_len contains the number of slots, // and we can generate a vector with the right capacity // important is to pass slots_len **again** because in // the 2nd call it is used to tell C how big the memory // in slots is. let mut slots = Vec::::with_capacity(slots_len as usize); let slots_ptr = slots.as_mut_ptr(); match (self.C_GetSlotList)(CkFrom::from(token_present), slots_ptr, &mut slots_len) { CKR_OK => { unsafe { slots.set_len(slots_len as usize); } Ok(slots) } err => Err(Error::Pkcs11(err)), } } err => Err(Error::Pkcs11(err)), } } pub fn get_slot_info(&self, slot_id: CK_SLOT_ID) -> Result { self.initialized()?; let mut info: CK_SLOT_INFO = Default::default(); match (self.C_GetSlotInfo)(slot_id, &mut info) { CKR_OK => Ok(info), err => Err(Error::Pkcs11(err)), } } pub fn get_token_info(&self, slot_id: CK_SLOT_ID) -> Result { self.initialized()?; let mut info: CK_TOKEN_INFO = Default::default(); match (self.C_GetTokenInfo)(slot_id, &mut info) { CKR_OK => Ok(info), err => Err(Error::Pkcs11(err)), } } pub fn get_mechanism_list(&self, slot_id: CK_SLOT_ID) -> Result, Error> { self.initialized()?; let mut count: CK_ULONG = 0; match (self.C_GetMechanismList)(slot_id, ptr::null_mut(), &mut count) { CKR_OK => { // see get_slot_list() for an explanation - it works the same way let mut list = Vec::::with_capacity(count as usize); let list_ptr = list.as_mut_ptr(); match (self.C_GetMechanismList)(slot_id, list_ptr, &mut count) { CKR_OK => { unsafe { list.set_len(count as usize); } Ok(list) } err => Err(Error::Pkcs11(err)), } } err => Err(Error::Pkcs11(err)), } } pub fn get_mechanism_info(&self, slot_id: CK_SLOT_ID, mechanism_type: CK_MECHANISM_TYPE) -> Result { self.initialized()?; let mut info: CK_MECHANISM_INFO = Default::default(); match (self.C_GetMechanismInfo)(slot_id, mechanism_type, &mut info) { CKR_OK => Ok(info), err => Err(Error::Pkcs11(err)), } } pub fn init_token<'a, 'b>(&self, slot_id: CK_SLOT_ID, pin: Option<&'a str>, label: &'b str) -> Result<(), Error> { self.initialized()?; let mut formatted_label = label_from_str(label).to_vec(); let formatted_label_ptr = formatted_label.as_mut_ptr(); match pin { Some(pin) => if let Ok(cpin) = CString::new(pin) { let mut cpin_bytes = cpin.into_bytes(); match (self.C_InitToken)(slot_id, cpin_bytes.as_mut_ptr(), cpin_bytes.len() as CK_ULONG, formatted_label_ptr) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } else { Err(Error::InvalidInput("PIN contains a nul byte")) }, None => { // CKF_PROTECTED_AUTHENTICATION_PATH requires a NULL pointer match (self.C_InitToken)(slot_id, ptr::null_mut(), 0, formatted_label_ptr) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } } } pub fn init_pin<'a>(&self, session: CK_SESSION_HANDLE, pin: Option<&'a str>) -> Result<(), Error> { self.initialized()?; match pin { Some(pin) => if let Ok(cpin) = CString::new(pin) { let mut cpin_bytes = cpin.into_bytes(); match (self.C_InitPIN)(session, cpin_bytes.as_mut_ptr(), cpin_bytes.len() as CK_ULONG) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } else { Err(Error::InvalidInput("PIN contains a nul byte")) }, None => match (self.C_InitPIN)(session, ptr::null_mut(), 0) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), }, } } pub fn set_pin<'a, 'b>(&self, session: CK_SESSION_HANDLE, old_pin: Option<&'a str>, new_pin: Option<&'b str>) -> Result<(), Error> { self.initialized()?; if old_pin.is_none() && new_pin.is_none() { match (self.C_SetPIN)(session, ptr::null_mut(), 0, ptr::null_mut(), 0) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } else if old_pin.is_some() && new_pin.is_some() { let old_cpin_res = CString::new(old_pin.unwrap()); let new_cpin_res = CString::new(new_pin.unwrap()); if old_cpin_res.is_err() { return Err(Error::InvalidInput("Old PIN contains a nul byte")); } if new_cpin_res.is_err() { return Err(Error::InvalidInput("New PIN contains a nul byte")); } let mut old_cpin = old_cpin_res.unwrap().into_bytes(); let mut new_cpin = new_cpin_res.unwrap().into_bytes(); match (self.C_SetPIN)(session, old_cpin.as_mut_ptr(), old_cpin.len() as CK_ULONG, new_cpin.as_mut_ptr(), new_cpin.len() as CK_ULONG) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } else { Err(Error::InvalidInput("both PINs must be either set or unset")) } } pub fn open_session(&self, slot_id: CK_SLOT_ID, flags: CK_FLAGS, application: Option, notify: CK_NOTIFY) -> Result { self.initialized()?; let mut session: CK_SESSION_HANDLE = 0; match (self.C_OpenSession)(slot_id, flags, application.unwrap_or(ptr::null_mut()), notify, &mut session) { CKR_OK => Ok(session), err => Err(Error::Pkcs11(err)), } } pub fn close_session(&self, session: CK_SESSION_HANDLE) -> Result<(), Error> { self.initialized()?; match (self.C_CloseSession)(session) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } pub fn close_all_sessions(&self, slot_id: CK_SLOT_ID) -> Result<(), Error> { self.initialized()?; match (self.C_CloseAllSessions)(slot_id) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } pub fn get_session_info(&self, session: CK_SESSION_HANDLE) -> Result { self.initialized()?; let mut info: CK_SESSION_INFO = Default::default(); match (self.C_GetSessionInfo)(session, &mut info) { CKR_OK => Ok(info), err => Err(Error::Pkcs11(err)), } } pub fn get_operation_state(&self, session: CK_SESSION_HANDLE) -> Result, Error> { self.initialized()?; let mut state_length: CK_ULONG = 0; match (self.C_GetOperationState)(session, ptr::null_mut(), &mut state_length) { CKR_OK => { let mut state: Vec = Vec::with_capacity(state_length as usize); let state_ptr = state.as_mut_ptr(); match (self.C_GetOperationState)(session, state_ptr, &mut state_length) { CKR_OK => { unsafe { state.set_len(state_length as usize); } Ok(state) } err => Err(Error::Pkcs11(err)), } } err => Err(Error::Pkcs11(err)), } } pub fn set_operation_state( &self, session: CK_SESSION_HANDLE, operation_state: Vec, encryption_key: Option, authentication_key: Option, ) -> Result<(), Error> { self.initialized()?; let mut operation_state = operation_state.clone(); match (self.C_SetOperationState)(session, operation_state.as_mut_ptr(), operation_state.len() as CK_ULONG, encryption_key.unwrap_or(0), authentication_key.unwrap_or(0)) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } pub fn login<'a>(&self, session: CK_SESSION_HANDLE, user_type: CK_USER_TYPE, pin: Option<&'a str>) -> Result<(), Error> { self.initialized()?; match pin { Some(pin) => if let Ok(cpin) = CString::new(pin) { let mut cpin_bytes = cpin.into_bytes(); match (self.C_Login)(session, user_type, cpin_bytes.as_mut_ptr(), cpin_bytes.len() as CK_ULONG) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } else { Err(Error::InvalidInput("PIN contains a nul byte")) }, None => match (self.C_Login)(session, user_type, ptr::null_mut(), 0) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), }, } } // Some dongle drivers (such as Safenet) allow NUL bytes in PINs, and fail // login if a NUL containing PIN is truncated. Combined with poor PIN gen // algorithms which insert NULs into the PIN, you might need a way to supply // raw bytes for a PIN, instead of converting from a UTF8 string as per spec pub fn login_with_raw<'a>(&self, session: CK_SESSION_HANDLE, user_type: CK_USER_TYPE, pin: Option<&Vec>) -> Result<(), Error> { self.initialized()?; match pin { Some(pin) => { let mut pin = pin.clone(); match (self.C_Login)(session, user_type, pin.as_mut_ptr(), pin.len() as CK_ULONG) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } }, None => match (self.C_Login)(session, user_type, ptr::null_mut(), 0) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), }, } } pub fn logout(&self, session: CK_SESSION_HANDLE) -> Result<(), Error> { self.initialized()?; match (self.C_Logout)(session) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } pub fn create_object(&self, session: CK_SESSION_HANDLE, template: &Vec) -> Result { self.initialized()?; let mut template = template.clone(); let mut oh: CK_OBJECT_HANDLE = CK_INVALID_HANDLE; match (self.C_CreateObject)(session, template.as_mut_ptr(), template.len() as CK_ULONG, &mut oh) { CKR_OK => Ok(oh), err => Err(Error::Pkcs11(err)), } } pub fn copy_object(&self, session: CK_SESSION_HANDLE, object: CK_OBJECT_HANDLE, template: &Vec) -> Result { self.initialized()?; let mut template = template.clone(); let mut oh: CK_OBJECT_HANDLE = CK_INVALID_HANDLE; match (self.C_CopyObject)(session, object, template.as_mut_ptr(), template.len() as CK_ULONG, &mut oh) { CKR_OK => Ok(oh), err => Err(Error::Pkcs11(err)), } } pub fn destroy_object(&self, session: CK_SESSION_HANDLE, object: CK_OBJECT_HANDLE) -> Result<(), Error> { self.initialized()?; match (self.C_DestroyObject)(session, object) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } pub fn get_object_size(&self, session: CK_SESSION_HANDLE, object: CK_OBJECT_HANDLE) -> Result { self.initialized()?; let mut size: CK_ULONG = 0; match (self.C_GetObjectSize)(session, object, &mut size) { CKR_OK => Ok(size), err => Err(Error::Pkcs11(err)), } } pub fn get_attribute_value<'a>(&self, session: CK_SESSION_HANDLE, object: CK_OBJECT_HANDLE, template: &'a mut Vec) -> Result<(CK_RV, &'a Vec), Error> { self.initialized()?; /* Note that the error codes CKR_ATTRIBUTE_SENSITIVE, CKR_ATTRIBUTE_TYPE_INVALID, and CKR_BUFFER_TOO_SMALL do not denote true errors for C_GetAttributeValue. If a call to C_GetAttributeValue returns any of these three values, then the call MUST nonetheless have processed every attribute in the template supplied to C_GetAttributeValue. Each attribute in the template whose value can be returned by the call to C_GetAttributeValue will be returned by the call to C_GetAttributeValue. */ match (self.C_GetAttributeValue)(session, object, template.as_mut_ptr(), template.len() as CK_ULONG) { CKR_OK => Ok((CKR_OK, template)), CKR_ATTRIBUTE_SENSITIVE => Ok((CKR_ATTRIBUTE_SENSITIVE, template)), CKR_ATTRIBUTE_TYPE_INVALID => Ok((CKR_ATTRIBUTE_TYPE_INVALID, template)), CKR_BUFFER_TOO_SMALL => Ok((CKR_BUFFER_TOO_SMALL, template)), err => Err(Error::Pkcs11(err)), } } pub fn set_attribute_value(&self, session: CK_SESSION_HANDLE, object: CK_OBJECT_HANDLE, template: &Vec) -> Result<(), Error> { self.initialized()?; let mut template = template.clone(); match (self.C_SetAttributeValue)(session, object, template.as_mut_ptr(), template.len() as CK_ULONG) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } pub fn find_objects_init(&self, session: CK_SESSION_HANDLE, template: &Vec) -> Result<(), Error> { self.initialized()?; let mut template = template.clone(); match (self.C_FindObjectsInit)(session, template.as_mut_ptr(), template.len() as CK_ULONG) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } pub fn find_objects(&self, session: CK_SESSION_HANDLE, max_object_count: CK_ULONG) -> Result, Error> { self.initialized()?; let mut list: Vec = Vec::with_capacity(max_object_count as usize); let mut count: CK_ULONG = 0; match (self.C_FindObjects)(session, list.as_mut_ptr(), max_object_count, &mut count) { CKR_OK => { unsafe { list.set_len(count as usize); } Ok(list) } err => Err(Error::Pkcs11(err)), } } pub fn find_objects_final(&self, session: CK_SESSION_HANDLE) -> Result<(), Error> { self.initialized()?; match (self.C_FindObjectsFinal)(session) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } pub fn encrypt_init(&self, session: CK_SESSION_HANDLE, mechanism: &CK_MECHANISM, key: CK_OBJECT_HANDLE) -> Result<(), Error> { self.initialized()?; let mut mechanism = *mechanism; match (self.C_EncryptInit)(session, &mut mechanism, key) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } pub fn encrypt(&self, session: CK_SESSION_HANDLE, data: &Vec) -> Result, Error> { self.initialized()?; let mut data = data.clone(); let mut encryptedDataLen: CK_ULONG = 0; match (self.C_Encrypt)(session, data.as_mut_ptr(), data.len() as CK_ULONG, ptr::null_mut(), &mut encryptedDataLen) { CKR_OK => { let mut encryptedData: Vec = Vec::with_capacity(encryptedDataLen as usize); match (self.C_Encrypt)(session, data.as_mut_ptr(), data.len() as CK_ULONG, encryptedData.as_mut_ptr(), &mut encryptedDataLen) { CKR_OK => { unsafe { encryptedData.set_len(encryptedDataLen as usize); } Ok(encryptedData) }, err => Err(Error::Pkcs11(err)), } }, err => Err(Error::Pkcs11(err)), } } pub fn encrypt_update(&self, session: CK_SESSION_HANDLE, part: &Vec) -> Result, Error> { self.initialized()?; let mut part = part.clone(); let mut encryptedPartLen: CK_ULONG = 0; match (self.C_EncryptUpdate)(session, part.as_mut_ptr(), part.len() as CK_ULONG, ptr::null_mut(), &mut encryptedPartLen) { CKR_OK => { let mut encryptedPart: Vec = Vec::with_capacity(encryptedPartLen as usize); match (self.C_EncryptUpdate)(session, part.as_mut_ptr(), part.len() as CK_ULONG, encryptedPart.as_mut_ptr(), &mut encryptedPartLen) { CKR_OK => { unsafe { encryptedPart.set_len(encryptedPartLen as usize); } Ok(encryptedPart) }, err => Err(Error::Pkcs11(err)), } }, err => Err(Error::Pkcs11(err)), } } pub fn encrypt_final(&self, session: CK_SESSION_HANDLE) -> Result>, Error> { self.initialized()?; let mut lastEncryptedPartLen: CK_ULONG = 0; match (self.C_EncryptFinal)(session, ptr::null_mut(), &mut lastEncryptedPartLen) { CKR_OK => { if lastEncryptedPartLen == 0 { Ok(None) } else { let mut lastEncryptedPart: Vec = Vec::with_capacity(lastEncryptedPartLen as usize); match (self.C_EncryptFinal)(session, lastEncryptedPart.as_mut_ptr(), &mut lastEncryptedPartLen) { CKR_OK => { unsafe { lastEncryptedPart.set_len(lastEncryptedPartLen as usize); } Ok(Some(lastEncryptedPart)) }, err => Err(Error::Pkcs11(err)), } } }, err => Err(Error::Pkcs11(err)), } } pub fn decrypt_init(&self, session: CK_SESSION_HANDLE, mechanism: &CK_MECHANISM, key: CK_OBJECT_HANDLE) -> Result<(), Error> { self.initialized()?; let mut mechanism = *mechanism; match (self.C_DecryptInit)(session, &mut mechanism, key) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } pub fn decrypt(&self, session: CK_SESSION_HANDLE, encryptedData: &Vec) -> Result, Error> { self.initialized()?; let mut encrypted_data = encryptedData.clone(); let mut dataLen: CK_ULONG = 0; match (self.C_Decrypt)(session, encrypted_data.as_mut_ptr(), encrypted_data.len() as CK_ULONG, ptr::null_mut(), &mut dataLen) { CKR_OK => { let mut data: Vec = Vec::with_capacity(dataLen as usize); match (self.C_Decrypt)(session, encrypted_data.as_mut_ptr(), encrypted_data.len() as CK_ULONG, data.as_mut_ptr(), &mut dataLen) { CKR_OK => { unsafe { data.set_len(dataLen as usize); } Ok(data) }, err => Err(Error::Pkcs11(err)), } }, err => Err(Error::Pkcs11(err)), } } pub fn decrypt_update(&self, session: CK_SESSION_HANDLE, encryptedPart: &Vec) -> Result, Error> { self.initialized()?; let mut encrypted_part = encryptedPart.clone(); let mut partLen: CK_ULONG = 0; match (self.C_DecryptUpdate)(session, encrypted_part.as_mut_ptr(), encrypted_part.len() as CK_ULONG, ptr::null_mut(), &mut partLen) { CKR_OK => { let mut part: Vec = Vec::with_capacity(partLen as usize); match (self.C_Decrypt)(session, encrypted_part.as_mut_ptr(), encrypted_part.len() as CK_ULONG, part.as_mut_ptr(), &mut partLen) { CKR_OK => { unsafe { part.set_len(partLen as usize); } Ok(part) }, err => Err(Error::Pkcs11(err)), } }, err => Err(Error::Pkcs11(err)), } } pub fn decrypt_final(&self, session: CK_SESSION_HANDLE) -> Result>, Error> { self.initialized()?; let mut lastPartLen: CK_ULONG = 0; match (self.C_DecryptFinal)(session, ptr::null_mut(), &mut lastPartLen) { CKR_OK => { if lastPartLen == 0 { Ok(None) } else { let mut lastPart: Vec = Vec::with_capacity(lastPartLen as usize); match (self.C_DecryptFinal)(session, lastPart.as_mut_ptr(), &mut lastPartLen) { CKR_OK => { unsafe { lastPart.set_len(lastPartLen as usize); } Ok(Some(lastPart)) }, err => Err(Error::Pkcs11(err)), } } }, err => Err(Error::Pkcs11(err)), } } pub fn digest_init(&self, session: CK_SESSION_HANDLE, mechanism: &CK_MECHANISM) -> Result<(), Error> { self.initialized()?; let mut mechanism = *mechanism; match (self.C_DigestInit)(session, &mut mechanism) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } pub fn digest(&self, session: CK_SESSION_HANDLE, data: &Vec) -> Result, Error> { self.initialized()?; let mut data = data.clone(); let mut digestLen: CK_ULONG = 0; match (self.C_Digest)(session, data.as_mut_ptr(), data.len() as CK_ULONG, ptr::null_mut(), &mut digestLen) { CKR_OK => { let mut digest: Vec = Vec::with_capacity(digestLen as usize); match (self.C_Digest)(session, data.as_mut_ptr(), data.len() as CK_ULONG, digest.as_mut_ptr(), &mut digestLen) { CKR_OK => { unsafe { digest.set_len(digestLen as usize); } Ok(digest) }, err => Err(Error::Pkcs11(err)), } }, err => Err(Error::Pkcs11(err)), } } pub fn digest_update(&self, session: CK_SESSION_HANDLE, part: &Vec) -> Result<(), Error> { let mut part = part.clone(); match (self.C_DigestUpdate)(session, part.as_mut_ptr(), part.len() as CK_ULONG) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } pub fn digest_key(&self, session: CK_SESSION_HANDLE, key: CK_OBJECT_HANDLE) -> Result<(), Error> { self.initialized()?; match (self.C_DigestKey)(session, key) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } pub fn digest_final(&self, session: CK_SESSION_HANDLE) -> Result, Error> { self.initialized()?; let mut digestLen: CK_ULONG = 0; match (self.C_DigestFinal)(session, ptr::null_mut(), &mut digestLen) { CKR_OK => { let mut digest: Vec = Vec::with_capacity(digestLen as usize); match (self.C_DigestFinal)(session, digest.as_mut_ptr(), &mut digestLen) { CKR_OK => { unsafe { digest.set_len(digestLen as usize); } Ok(digest) }, err => Err(Error::Pkcs11(err)), } }, err => Err(Error::Pkcs11(err)), } } pub fn sign_init(&self, session: CK_SESSION_HANDLE, mechanism: &CK_MECHANISM, key: CK_OBJECT_HANDLE) -> Result<(), Error> { self.initialized()?; let mut mechanism = *mechanism; match (self.C_SignInit)(session, &mut mechanism, key) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } pub fn sign(&self, session: CK_SESSION_HANDLE, data: &Vec) -> Result, Error> { self.initialized()?; let mut data = data.clone(); let mut signatureLen: CK_ULONG = 0; match (self.C_Sign)(session, data.as_mut_ptr(), data.len() as CK_ULONG, ptr::null_mut(), &mut signatureLen) { CKR_OK => { let mut signature: Vec = Vec::with_capacity(signatureLen as usize); match (self.C_Sign)(session, data.as_mut_ptr(), data.len() as CK_ULONG, signature.as_mut_ptr(), &mut signatureLen) { CKR_OK => { unsafe { signature.set_len(signatureLen as usize); } Ok(signature) }, err => Err(Error::Pkcs11(err)), } }, err => Err(Error::Pkcs11(err)), } } pub fn sign_update(&self, session: CK_SESSION_HANDLE, part: &Vec) -> Result<(), Error> { self.initialized()?; let mut part = part.clone(); match (self.C_SignUpdate)(session, part.as_mut_ptr(), part.len() as CK_ULONG) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } pub fn sign_final(&self, session: CK_SESSION_HANDLE) -> Result, Error> { self.initialized()?; let mut signatureLen: CK_ULONG = 0; match (self.C_SignFinal)(session, ptr::null_mut(), &mut signatureLen) { CKR_OK => { let mut signature: Vec = Vec::with_capacity(signatureLen as usize); match (self.C_SignFinal)(session, signature.as_mut_ptr(), &mut signatureLen) { CKR_OK => { unsafe { signature.set_len(signatureLen as usize); } Ok(signature) }, err => Err(Error::Pkcs11(err)), } }, err => Err(Error::Pkcs11(err)), } } pub fn sign_recover_init(&self, session: CK_SESSION_HANDLE, mechanism: &CK_MECHANISM, key: CK_OBJECT_HANDLE) -> Result<(), Error> { self.initialized()?; let mut mechanism = *mechanism; match (self.C_SignRecoverInit)(session, &mut mechanism, key) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)) } } pub fn sign_recover(&self, session: CK_SESSION_HANDLE, data: &Vec) -> Result, Error> { self.initialized()?; let mut data = data.clone(); let mut signatureLen: CK_ULONG = 0; match (self.C_SignRecover)(session, data.as_mut_ptr(), data.len() as CK_ULONG, ptr::null_mut(), &mut signatureLen) { CKR_OK => { let mut signature: Vec = Vec::with_capacity(signatureLen as usize); match (self.C_SignRecover)(session, data.as_mut_ptr(), data.len() as CK_ULONG, signature.as_mut_ptr(), &mut signatureLen) { CKR_OK => { unsafe { signature.set_len(signatureLen as usize); } Ok(signature) }, err => Err(Error::Pkcs11(err)), } }, err => Err(Error::Pkcs11(err)), } } pub fn verify_init(&self, session: CK_SESSION_HANDLE, mechanism: &CK_MECHANISM, key: CK_OBJECT_HANDLE) -> Result<(), Error> { self.initialized()?; let mut mechanism = *mechanism; match (self.C_VerifyInit)(session, &mut mechanism, key) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } pub fn verify(&self, session: CK_SESSION_HANDLE, data: &Vec, signature: &Vec) -> Result<(), Error> { self.initialized()?; let mut data = data.clone(); let mut signature = signature.clone(); match (self.C_Verify)(session, data.as_mut_ptr(), data.len() as CK_ULONG, signature.as_mut_ptr(), signature.len() as CK_ULONG) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } pub fn verify_update(&self, session: CK_SESSION_HANDLE, part: &Vec) -> Result<(), Error> { self.initialized()?; let mut part = part.clone(); match (self.C_VerifyUpdate)(session, part.as_mut_ptr(), part.len() as CK_ULONG) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } pub fn verify_final(&self, session: CK_SESSION_HANDLE, signature: &Vec) -> Result<(), Error> { self.initialized()?; let mut signature = signature.clone(); match (self.C_VerifyFinal)(session, signature.as_mut_ptr(), signature.len() as CK_ULONG) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } pub fn verify_recover_init(&self, session: CK_SESSION_HANDLE, mechanism: &CK_MECHANISM, key: CK_OBJECT_HANDLE) -> Result<(), Error> { self.initialized()?; let mut mechanism = *mechanism; match (self.C_VerifyRecoverInit)(session, &mut mechanism, key) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } pub fn verify_recover(&self, session: CK_SESSION_HANDLE, signature: &Vec) -> Result, Error> { self.initialized()?; let mut signature = signature.clone(); let mut dataLen: CK_ULONG = 0; match (self.C_VerifyRecover)(session, signature.as_mut_ptr(), signature.len() as CK_ULONG, ptr::null_mut(), &mut dataLen) { CKR_OK => { let mut data: Vec = Vec::with_capacity(dataLen as usize); match (self.C_VerifyRecover)(session, signature.as_mut_ptr(), signature.len() as CK_ULONG, data.as_mut_ptr(), &mut dataLen) { CKR_OK => { unsafe { data.set_len(dataLen as usize); } Ok(data) }, err => Err(Error::Pkcs11(err)), } }, err => Err(Error::Pkcs11(err)), } } pub fn digest_encrypt_update(&self, session: CK_SESSION_HANDLE, part: &Vec) -> Result, Error> { self.initialized()?; let mut part = part.clone(); let mut encryptedPartLen: CK_ULONG = 0; match (self.C_DigestEncryptUpdate)(session, part.as_mut_ptr(), part.len() as CK_ULONG, ptr::null_mut(), &mut encryptedPartLen) { CKR_OK => { let mut encryptedPart: Vec = Vec::with_capacity(encryptedPartLen as usize); match (self.C_DigestEncryptUpdate)(session, part.as_mut_ptr(), part.len() as CK_ULONG, encryptedPart.as_mut_ptr(), &mut encryptedPartLen) { CKR_OK => { unsafe { encryptedPart.set_len(encryptedPartLen as usize); } Ok(encryptedPart) }, err => Err(Error::Pkcs11(err)), } }, err => Err(Error::Pkcs11(err)), } } pub fn decrypt_digest_update(&self, session: CK_SESSION_HANDLE, encryptedPart: &Vec) -> Result, Error> { self.initialized()?; let mut encrypted_part = encryptedPart.clone(); let mut partLen: CK_ULONG = 0; match (self.C_DecryptDigestUpdate)(session, encrypted_part.as_mut_ptr(), encrypted_part.len() as CK_ULONG, ptr::null_mut(), &mut partLen) { CKR_OK => { let mut part: Vec = Vec::with_capacity(partLen as usize); match (self.C_DecryptDigestUpdate)(session, encrypted_part.as_mut_ptr(), encrypted_part.len() as CK_ULONG, part.as_mut_ptr(), &mut partLen) { CKR_OK => { unsafe { part.set_len(partLen as usize); } Ok(part) }, err => Err(Error::Pkcs11(err)), } }, err => Err(Error::Pkcs11(err)), } } pub fn sign_encrypt_update(&self, session: CK_SESSION_HANDLE, part: &Vec) -> Result, Error> { self.initialized()?; let mut part = part.clone(); let mut encryptedPartLen: CK_ULONG = 0; match (self.C_SignEncryptUpdate)(session, part.as_mut_ptr(), part.len() as CK_ULONG, ptr::null_mut(), &mut encryptedPartLen) { CKR_OK => { let mut encryptedPart: Vec = Vec::with_capacity(encryptedPartLen as usize); match (self.C_SignEncryptUpdate)(session, part.as_mut_ptr(), part.len() as CK_ULONG, encryptedPart.as_mut_ptr(), &mut encryptedPartLen) { CKR_OK => { unsafe { encryptedPart.set_len(encryptedPartLen as usize); } Ok(encryptedPart) }, err => Err(Error::Pkcs11(err)), } }, err => Err(Error::Pkcs11(err)), } } pub fn decrypt_verify_update(&self, session: CK_SESSION_HANDLE, encryptedPart: Vec) -> Result, Error> { self.initialized()?; let mut encrypted_part = encryptedPart.clone(); let mut partLen: CK_ULONG = 0; match (self.C_DecryptVerifyUpdate)(session, encrypted_part.as_mut_ptr(), encrypted_part.len() as CK_ULONG, ptr::null_mut(), &mut partLen) { CKR_OK => { let mut part: Vec = Vec::with_capacity(partLen as usize); match (self.C_DecryptVerifyUpdate)(session, encrypted_part.as_mut_ptr(), encrypted_part.len() as CK_ULONG, part.as_mut_ptr(), &mut partLen) { CKR_OK => { unsafe { part.set_len(partLen as usize); } Ok(part) }, err => Err(Error::Pkcs11(err)), } }, err => Err(Error::Pkcs11(err)), } } pub fn generate_key(&self, session: CK_SESSION_HANDLE, mechanism: &CK_MECHANISM, template: &Vec) -> Result { self.initialized()?; let mut mechanism = *mechanism; let mut template = template.clone(); let mut object: CK_OBJECT_HANDLE = CK_INVALID_HANDLE; match (self.C_GenerateKey)(session, &mut mechanism, template.as_mut_ptr(), template.len() as CK_ULONG, &mut object) { CKR_OK => Ok(object), err => Err(Error::Pkcs11(err)), } } pub fn generate_key_pair( &self, session: CK_SESSION_HANDLE, mechanism: &CK_MECHANISM, publicKeyTemplate: &Vec, privateKeyTemplate: &Vec, ) -> Result<(CK_OBJECT_HANDLE, CK_OBJECT_HANDLE), Error> { self.initialized()?; let mut mechanism = *mechanism; let mut public_key_template = publicKeyTemplate.clone(); let mut private_key_template = privateKeyTemplate.clone(); let mut pubOh: CK_OBJECT_HANDLE = CK_INVALID_HANDLE; let mut privOh: CK_OBJECT_HANDLE = CK_INVALID_HANDLE; match (self.C_GenerateKeyPair)( session, &mut mechanism, public_key_template.as_mut_ptr(), public_key_template.len() as CK_ULONG, private_key_template.as_mut_ptr(), private_key_template.len() as CK_ULONG, &mut pubOh, &mut privOh, ) { CKR_OK => Ok((pubOh, privOh)), err => Err(Error::Pkcs11(err)), } } pub fn wrap_key(&self, session: CK_SESSION_HANDLE, mechanism: &CK_MECHANISM, wrappingKey: CK_OBJECT_HANDLE, key: CK_OBJECT_HANDLE) -> Result, Error> { self.initialized()?; let mut mechanism = *mechanism; let mut length: CK_ULONG = 0; match (self.C_WrapKey)(session, &mut mechanism, wrappingKey, key, ptr::null_mut(), &mut length) { CKR_OK => if length > 0 { let mut out: Vec = Vec::with_capacity(length as usize); match (self.C_WrapKey)(session, &mut mechanism, wrappingKey, key, out.as_mut_ptr(), &mut length) { CKR_OK => { unsafe { out.set_len(length as usize); } Ok(out) } err => Err(Error::Pkcs11(err)), } } else { Ok(vec![]) }, err => Err(Error::Pkcs11(err)), } } pub fn unwrap_key( &self, session: CK_SESSION_HANDLE, mechanism: &CK_MECHANISM, unwrappingKey: CK_OBJECT_HANDLE, wrappedKey: &Vec, template: &Vec, ) -> Result { self.initialized()?; let mut mechanism= *mechanism; let mut wrapped_key = wrappedKey.clone(); let mut template = template.clone(); let mut oh: CK_OBJECT_HANDLE = CK_INVALID_HANDLE; match (self.C_UnwrapKey)( session, &mut mechanism, unwrappingKey, wrapped_key.as_mut_ptr(), wrapped_key.len() as CK_ULONG, template.as_mut_ptr(), template.len() as CK_ULONG, &mut oh ) { CKR_OK => Ok(oh), err => Err(Error::Pkcs11(err)), } } pub fn derive_key(&self, session: CK_SESSION_HANDLE, mechanism: &CK_MECHANISM, baseKey: CK_OBJECT_HANDLE, template: &Vec) -> Result { self.initialized()?; let mut mechanism = *mechanism; let mut template = template.clone(); let mut oh: CK_OBJECT_HANDLE = CK_INVALID_HANDLE; match (self.C_DeriveKey)(session, &mut mechanism, baseKey, template.as_mut_ptr(), template.len() as CK_ULONG, &mut oh) { CKR_OK => Ok(oh), err => Err(Error::Pkcs11(err)), } } pub fn seed_random(&self, session: CK_SESSION_HANDLE, seed: &Vec) -> Result<(), Error> { let mut seed = seed.clone(); match (self.C_SeedRandom)(session, seed.as_mut_ptr(), seed.len() as CK_ULONG) { CKR_OK => Ok(()), err => Err(Error::Pkcs11(err)), } } pub fn generate_random(&self, session: CK_SESSION_HANDLE, randomLength: CK_ULONG) -> Result, Error> { let mut data: Vec = Vec::with_capacity(randomLength as usize); match (self.C_GenerateRandom)(session, data.as_mut_ptr(), randomLength) { CKR_OK => { unsafe { data.set_len(randomLength as usize); } Ok(data) } err => Err(Error::Pkcs11(err)), } } pub fn get_function_status(&self, session: CK_SESSION_HANDLE) -> Result { match (self.C_GetFunctionStatus)(session) { CKR_OK => Ok(CKR_OK), CKR_FUNCTION_NOT_PARALLEL => Ok(CKR_FUNCTION_NOT_PARALLEL), err => Err(Error::Pkcs11(err)), } } pub fn cancel_function(&self, session: CK_SESSION_HANDLE) -> Result { match (self.C_CancelFunction)(session) { CKR_OK => Ok(CKR_OK), CKR_FUNCTION_NOT_PARALLEL => Ok(CKR_FUNCTION_NOT_PARALLEL), err => Err(Error::Pkcs11(err)), } } pub fn wait_for_slot_event(&self, flags: CK_FLAGS) -> Result { let mut slotID: CK_SLOT_ID = 0; let C_WaitForSlotEvent = self.C_WaitForSlotEvent.ok_or(Error::Module("C_WaitForSlotEvent function not found"))?; match C_WaitForSlotEvent(flags, &mut slotID, ptr::null_mut()) { CKR_OK => Ok(slotID), err => Err(Error::Pkcs11(err)), } } } impl Drop for Ctx { fn drop(&mut self) { if self.is_initialized() { if let Err(err) = self.finalize() { println!("ERROR: {}", err); } } } }