Port the status command to libnitrokey

This patch removes the raw hidapi implementation of the status command
and all utility methods that are no longer needed.  With this patch, all
device communication is performed using libnitrokey.

1 files changed, 0 insertions, 88 deletions

diff --git a/nitrocli/src/crc32.rs b/nitrocli/src/crc32.rs
deleted file mode 100644
index 8b85b49..0000000
--- a/nitrocli/src/crc32.rs
+++ /dev/null
@@ -1,88 +0,0 @@
-// crc32.rs
-
-// *************************************************************************
-// * Copyright (C) 2017-2018 Daniel Mueller (deso@posteo.net)              *
-// *                                                                       *
-// * This program is free software: you can redistribute it and/or modify  *
-// * it under the terms of the GNU General Public License as published by  *
-// * the Free Software Foundation, either version 3 of the License, or     *
-// * (at your option) any later version.                                   *
-// *                                                                       *
-// * This program is distributed in the hope that it will be useful,       *
-// * but WITHOUT ANY WARRANTY; without even the implied warranty of        *
-// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
-// * GNU General Public License for more details.                          *
-// *                                                                       *
-// * You should have received a copy of the GNU General Public License     *
-// * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
-// *************************************************************************
-
-/// Polynomial used in STM32.
-const CRC32_POLYNOMIAL: u32 = 0x04c1_1db7;
-
-
-fn crc32(mut crc: u32, data: u32) -> u32 {
-  crc ^= data;
-
-  for _ in 0..32 {
-    if crc & 0x8000_0000 != 0 {
-      crc = (crc << 1) ^ CRC32_POLYNOMIAL;
-    } else {
-      crc <<= 1;
-    }
-  }
-  crc
-}
-
-
-/// Retrieve a u32 slice of the 'data' part.
-///
-/// Note that the size of the supplied data has to be a multiple of 4
-/// bytes.
-fn as_slice_u32(data: &[u8]) -> &[u32] {
-  assert!(data.len() % ::std::mem::size_of::<u32>() == 0);
-
-  unsafe {
-    let ptr = data.as_ptr() as *const u32;
-    let len = data.len() / ::std::mem::size_of::<u32>();
-    ::std::slice::from_raw_parts(ptr, len)
-  }
-}
-
-
-/// Calculate the CRC of a byte slice.
-pub fn crc(data: &[u8]) -> u32 {
-  let mut crc = 0xffff_ffff;
-  let data = as_slice_u32(data);
-
-  for byte in data {
-    crc = crc32(crc, *byte);
-  }
-  crc
-}
-
-
-#[cfg(test)]
-mod tests {
-  use super::*;
-
-  #[test]
-  fn test_crc32() {
-    let mut crc = 0;
-
-    // The expected values were computed with the original function.
-    crc = crc32(crc, 0xdeadbeef);
-    assert_eq!(crc, 0x46dec763);
-
-    crc = crc32(crc, 42);
-    assert_eq!(crc, 0x7e579b45);
-  }
-
-  #[test]
-  fn test_crc() {
-    let data = &"thisisatextthatistobecrced..".to_string().into_bytes();
-    let crc = crc(data);
-
-    assert_eq!(crc, 0x469db4ee);
-  }
-}