ParBlocksSizeUser impls

aes/src/armv8.rs

@@ -110,6 +110,10 @@ macro_rules! define_aes_impl {
             }
         }
 
+        impl ParBlocksSizeUser for $name {
+            type ParBlocksSize = U8;
+        }
+
         impl fmt::Debug for $name {
             fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
                 f.write_str(concat!(stringify!($name), " { .. }"))

aes/src/ni.rs

@@ -121,6 +121,10 @@ macro_rules! define_aes_impl {
             }
         }
 
+        impl ParBlocksSizeUser for $name {
+            type ParBlocksSize = U8;
+        }
+
         impl fmt::Debug for $name {
             fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
                 f.write_str(concat!(stringify!($name), " { .. }"))

aes/src/soft.rs

@@ -86,6 +86,10 @@ macro_rules! define_aes_impl {
             }
         }
 
+        impl ParBlocksSizeUser for $name {
+            type ParBlocksSize = FixsliceBlocks;
+        }
+
         impl From<$name_enc> for $name {
             #[inline]
             fn from(enc: $name_enc) -> $name {

kuznyechik/src/soft/mod.rs

@@ -1,7 +1,7 @@
 use crate::{BlockSize, Key, KeySize};
 use cipher::{
-    AlgorithmName, BlockCipher, BlockClosure, BlockDecrypt, BlockEncrypt, BlockSizeUser, KeyInit,
-    KeySizeUser,
+    consts::U1, AlgorithmName, BlockCipher, BlockClosure, BlockDecrypt, BlockEncrypt,
+    BlockSizeUser, KeyInit, KeySizeUser, ParBlocksSizeUser,
 };
 use core::fmt;
 
@@ -65,6 +65,10 @@ impl BlockDecrypt for Kuznyechik {
     }
 }
 
+impl ParBlocksSizeUser for Kuznyechik {
+    type ParBlocksSize = U1;
+}
+
 impl fmt::Debug for Kuznyechik {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
         f.write_str("Kuznyechik { ... }")

kuznyechik/src/sse2/backends.rs

@@ -13,7 +13,7 @@ use core::arch::x86_64::*;
 
 pub(super) type RoundKeys = [__m128i; 10];
 
-type ParBlocksSize = U4;
+pub(crate) type ParBlocksSize = U4;
 
 #[rustfmt::skip]
 macro_rules! unroll_par {

kuznyechik/src/sse2/mod.rs

@@ -3,7 +3,7 @@
 use crate::{BlockSize, Key, KeySize};
 use cipher::{
     AlgorithmName, BlockCipher, BlockClosure, BlockDecrypt, BlockEncrypt, BlockSizeUser, KeyInit,
-    KeySizeUser,
+    KeySizeUser, ParBlocksSizeUser,
 };
 use core::fmt;
 
@@ -72,6 +72,10 @@ impl BlockDecrypt for Kuznyechik {
     }
 }
 
+impl ParBlocksSizeUser for Kuznyechik {
+    type ParBlocksSize = backends::ParBlocksSize;
+}
+
 impl fmt::Debug for Kuznyechik {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
         f.write_str("Kuznyechik { ... }")