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ctr: use BlockEncrypt instead of BlockEncryptMut #14

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ctr: use BlockEncrypt instead of BlockEncryptMut #14

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26 changes: 13 additions & 13 deletions ctr/src/ctr_core.rs
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@@ -1,7 +1,7 @@
use crate::{backend::Closure, CtrFlavor};
use cipher::{
crypto_common::{InnerUser, IvSizeUser},
AlgorithmName, BlockCipher, BlockEncryptMut, BlockSizeUser, InnerIvInit, Iv, IvState,
AlgorithmName, BlockCipher, BlockEncrypt, BlockSizeUser, InnerIvInit, Iv, IvState,
StreamCipherCore, StreamCipherSeekCore, StreamClosure,
};
use core::fmt;
Expand All @@ -13,7 +13,7 @@ use cipher::zeroize::ZeroizeOnDrop;
#[derive(Clone)]
pub struct CtrCore<C, F>
where
C: BlockEncryptMut + BlockCipher,
C: BlockEncrypt + BlockCipher,
F: CtrFlavor<C::BlockSize>,
{
cipher: C,
Expand All @@ -22,15 +22,15 @@ where

impl<C, F> BlockSizeUser for CtrCore<C, F>
where
C: BlockEncryptMut + BlockCipher,
C: BlockEncrypt + BlockCipher,
F: CtrFlavor<C::BlockSize>,
{
type BlockSize = C::BlockSize;
}

impl<C, F> StreamCipherCore for CtrCore<C, F>
where
C: BlockEncryptMut + BlockCipher,
C: BlockEncrypt + BlockCipher,
F: CtrFlavor<C::BlockSize>,
{
#[inline]
Expand All @@ -41,13 +41,13 @@ where
#[inline]
fn process_with_backend(&mut self, f: impl StreamClosure<BlockSize = Self::BlockSize>) {
let Self { cipher, ctr_nonce } = self;
cipher.encrypt_with_backend_mut(Closure::<F, _, _> { ctr_nonce, f });
cipher.encrypt_with_backend(Closure::<F, _, _> { ctr_nonce, f });
}
}

impl<C, F> StreamCipherSeekCore for CtrCore<C, F>
where
C: BlockEncryptMut + BlockCipher,
C: BlockEncrypt + BlockCipher,
F: CtrFlavor<C::BlockSize>,
{
type Counter = F::Backend;
Expand All @@ -65,23 +65,23 @@ where

impl<C, F> InnerUser for CtrCore<C, F>
where
C: BlockEncryptMut + BlockCipher,
C: BlockEncrypt + BlockCipher,
F: CtrFlavor<C::BlockSize>,
{
type Inner = C;
}

impl<C, F> IvSizeUser for CtrCore<C, F>
where
C: BlockEncryptMut + BlockCipher,
C: BlockEncrypt + BlockCipher,
F: CtrFlavor<C::BlockSize>,
{
type IvSize = C::BlockSize;
}

impl<C, F> InnerIvInit for CtrCore<C, F>
where
C: BlockEncryptMut + BlockCipher,
C: BlockEncrypt + BlockCipher,
F: CtrFlavor<C::BlockSize>,
{
#[inline]
Expand All @@ -95,7 +95,7 @@ where

impl<C, F> IvState for CtrCore<C, F>
where
C: BlockEncryptMut + BlockCipher,
C: BlockEncrypt + BlockCipher,
F: CtrFlavor<C::BlockSize>,
{
#[inline]
Expand All @@ -106,7 +106,7 @@ where

impl<C, F> AlgorithmName for CtrCore<C, F>
where
C: BlockEncryptMut + BlockCipher + AlgorithmName,
C: BlockEncrypt + BlockCipher + AlgorithmName,
F: CtrFlavor<C::BlockSize>,
{
fn write_alg_name(f: &mut fmt::Formatter<'_>) -> fmt::Result {
Expand All @@ -120,7 +120,7 @@ where

impl<C, F> fmt::Debug for CtrCore<C, F>
where
C: BlockEncryptMut + BlockCipher + AlgorithmName,
C: BlockEncrypt + BlockCipher + AlgorithmName,
F: CtrFlavor<C::BlockSize>,
{
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
Expand All @@ -136,7 +136,7 @@ where
#[cfg_attr(docsrs, doc(cfg(feature = "zeroize")))]
impl<C, F> ZeroizeOnDrop for CtrCore<C, F>
where
C: BlockEncryptMut + BlockCipher + ZeroizeOnDrop,
C: BlockEncrypt + BlockCipher + ZeroizeOnDrop,
F: CtrFlavor<C::BlockSize>,
F::CtrNonce: ZeroizeOnDrop,
{
Expand Down