5 files changed, 12 insertions, 8 deletions
diff --git a/src/block/des/desx.cpp b/src/block/des/desx.cpp
index b92011e56..7f68e406a 100644
--- a/src/block/des/desx.cpp
+++ b/src/block/des/desx.cpp
@@ -47,9 +47,9 @@ void DESX::decrypt_n(const byte in[], byte out[], size_t blocks) const
 */
 void DESX::key_schedule(const byte key[], size_t)
    {
-   K1.copy(key, 8);
+   K1.assign(key, key + 8);
    des.set_key(key + 8, 8);
-   K2.copy(key + 16, 8);
+   K2.assign(key + 16, key + 24);
    }
 
 }
diff --git a/src/block/lion/lion.cpp b/src/block/lion/lion.cpp
index 8c39eee65..4a9e8b901 100644
--- a/src/block/lion/lion.cpp
+++ b/src/block/lion/lion.cpp
@@ -72,8 +72,8 @@ void Lion::key_schedule(const byte key[], size_t length)
    {
    clear();
 
-   key1.copy(key,              length / 2);
-   key2.copy(key + length / 2, length / 2);
+   key1.assign(key,                key + (length / 2));
+   key2.assign(key + (length / 2), key + length);
    }
 
 /*
diff --git a/src/block/rc2/rc2.cpp b/src/block/rc2/rc2.cpp
index 97ca5d577..071e4e209 100644
--- a/src/block/rc2/rc2.cpp
+++ b/src/block/rc2/rc2.cpp
@@ -125,7 +125,7 @@ void RC2::key_schedule(const byte key[], size_t length)
       0xFE, 0x7F, 0xC1, 0xAD };
 
    SecureVector<byte> L(128);
-   L.copy(key, length);
+   copy_mem(&L[0], key, length);
 
    for(size_t i = length; i != 128; ++i)
       L[i] = TABLE[(L[i-1] + L[i-length]) % 256];
diff --git a/src/block/serpent/serpent.cpp b/src/block/serpent/serpent.cpp
index b3cf0f6c9..b1e632c29 100644
--- a/src/block/serpent/serpent.cpp
+++ b/src/block/serpent/serpent.cpp
@@ -387,7 +387,8 @@ void Serpent::key_schedule(const byte key[], size_t length)
    SBoxE8(W[120],W[121],W[122],W[123]); SBoxE7(W[124],W[125],W[126],W[127]);
    SBoxE6(W[128],W[129],W[130],W[131]); SBoxE5(W[132],W[133],W[134],W[135]);
    SBoxE4(W[136],W[137],W[138],W[139]);
-   round_key.copy(&W[8], 132);
+
+   round_key.assign(&W[8], &W[140]);
    }
 
 }
diff --git a/src/block/square/square.cpp b/src/block/square/square.cpp
index cd1865582..ff98c040e 100644
--- a/src/block/square/square.cpp
+++ b/src/block/square/square.cpp
@@ -160,6 +160,9 @@ void Square::key_schedule(const byte key[], size_t)
       transform(&XEK[4*i]);
       }
 
+   ME.resize(16);
+   MD.resize(16);
+
    for(size_t i = 0; i != 4; ++i)
       for(size_t j = 0; j != 4; ++j)
          {
@@ -169,8 +172,8 @@ void Square::key_schedule(const byte key[], size_t)
          MD[4*i+j+16] = get_byte(j, XEK[i   ]);
          }
 
-   EK.copy(&XEK[4], 28);
-   DK.copy(&XDK[4], 28);
+   EK.assign(&XEK[4], &XEK[36]);
+   DK.assign(&XDK[4], &XDK[36]);
    }
 
 /*