4 files changed, 4 insertions, 4 deletions
diff --git a/src/block/cast/cast128.cpp b/src/block/cast/cast128.cpp
index 538c1bd5b..24469e025 100644
--- a/src/block/cast/cast128.cpp
+++ b/src/block/cast/cast128.cpp
@@ -116,7 +116,7 @@ void CAST_128::decrypt_n(const byte in[], byte out[], size_t blocks) const
 /*
 * CAST-128 Key Schedule
 */
-void CAST_128::key_schedule(const byte key[], u32bit length)
+void CAST_128::key_schedule(const byte key[], size_t length)
    {
    clear();
    SecureVector<u32bit> X(4);
diff --git a/src/block/cast/cast128.h b/src/block/cast/cast128.h
index 18c0c1868..edccf04b3 100644
--- a/src/block/cast/cast128.h
+++ b/src/block/cast/cast128.h
@@ -27,7 +27,7 @@ class BOTAN_DLL CAST_128 : public BlockCipher
 
       CAST_128() : BlockCipher(8, 11, 16), MK(16), RK(16) {}
    private:
-      void key_schedule(const byte[], u32bit);
+      void key_schedule(const byte[], size_t);
 
       static void cast_ks(MemoryRegion<u32bit>& ks,
                           MemoryRegion<u32bit>& user_key);
diff --git a/src/block/cast/cast256.cpp b/src/block/cast/cast256.cpp
index 6567ffbd4..8be0a8dd6 100644
--- a/src/block/cast/cast256.cpp
+++ b/src/block/cast/cast256.cpp
@@ -136,7 +136,7 @@ void CAST_256::decrypt_n(const byte in[], byte out[], size_t blocks) const
 /*
 * CAST-256 Key Schedule
 */
-void CAST_256::key_schedule(const byte key[], u32bit length)
+void CAST_256::key_schedule(const byte key[], size_t length)
    {
    SecureVector<u32bit> K(8);
    for(size_t j = 0; j != length; ++j)
diff --git a/src/block/cast/cast256.h b/src/block/cast/cast256.h
index ef73fbf94..74e38face 100644
--- a/src/block/cast/cast256.h
+++ b/src/block/cast/cast256.h
@@ -27,7 +27,7 @@ class BOTAN_DLL CAST_256 : public BlockCipher
 
       CAST_256() : BlockCipher(16, 4, 32, 4), MK(48), RK(48) {}
    private:
-      void key_schedule(const byte[], u32bit);
+      void key_schedule(const byte[], size_t);
 
       static const u32bit KEY_MASK[192];
       static const byte   KEY_ROT[32];