4 files changed, 16 insertions, 23 deletions
diff --git a/src/alloc/secmem.h b/src/alloc/secmem.h
index c87035a1e..194a78e5f 100644
--- a/src/alloc/secmem.h
+++ b/src/alloc/secmem.h
@@ -320,15 +320,6 @@ class MemoryVector : public MemoryRegion<T>
       */
       MemoryVector(const MemoryRegion<T>& in)
          { init(false); set(&in[0], in.size()); }
-
-      /**
-      * Create a buffer whose content is the concatenation of two other
-      * buffers.
-      * @param in1 the first part of the new contents
-      * @param in2 the contents to be appended to in1
-      */
-      MemoryVector(const MemoryRegion<T>& in1, const MemoryRegion<T>& in2)
-         { init(false); set(&in1[0], in1.size()); append(in2); }
    };
 
 /**
@@ -389,15 +380,6 @@ class SecureVector : public MemoryRegion<T>
          else
             set(&in[0], in.size());
          }
-
-      /**
-      * Create a buffer whose content is the concatenation of two other
-      * buffers.
-      * @param in1 the first part of the new contents
-      * @param in2 the contents to be appended to in1
-      */
-      SecureVector(const MemoryRegion<T>& in1, const MemoryRegion<T>& in2)
-         { init(true); set(&in1[0], in1.size()); append(in2); }
    };
 
 /**
diff --git a/src/pubkey/dlies/dlies.cpp b/src/pubkey/dlies/dlies.cpp
index 07477fd5d..5dd557b6f 100644
--- a/src/pubkey/dlies/dlies.cpp
+++ b/src/pubkey/dlies/dlies.cpp
@@ -46,7 +46,8 @@ SecureVector<byte> DLIES_Encryptor::enc(const byte in[], u32bit length,
    out.copy(my_key, my_key.size());
    out.copy(my_key.size(), in, length);
 
-   SecureVector<byte> vz(my_key, ka.derive_key(0, other_key).bits_of());
+   SecureVector<byte> vz = my_key;
+   vz.append(ka.derive_key(0, other_key).bits_of());
 
    const u32bit K_LENGTH = length + mac_keylen;
    OctetString K = kdf->derive_key(K_LENGTH, vz, vz.size());
@@ -118,7 +119,8 @@ SecureVector<byte> DLIES_Decryptor::dec(const byte msg[], u32bit length) const
    SecureVector<byte> C(msg + my_key.size(), CIPHER_LEN);
    SecureVector<byte> T(msg + my_key.size() + CIPHER_LEN, mac->OUTPUT_LENGTH);
 
-   SecureVector<byte> vz(v, ka.derive_key(0, v).bits_of());
+   SecureVector<byte> vz(msg, my_key.size());
+   vz.append(ka.derive_key(0, v).bits_of());
 
    const u32bit K_LENGTH = C.size() + mac_keylen;
    OctetString K = kdf->derive_key(K_LENGTH, vz, vz.size());
diff --git a/src/ssl/handshake_hash.cpp b/src/ssl/handshake_hash.cpp
index 2331d015e..fb9f5f9f4 100644
--- a/src/ssl/handshake_hash.cpp
+++ b/src/ssl/handshake_hash.cpp
@@ -23,7 +23,10 @@ SecureVector<byte> HandshakeHash::final()
    md5.update(data);
    sha1.update(data);
 
-   return SecureVector<byte>(md5.final(), sha1.final());
+   SecureVector<byte> output;
+   output.append(md5.final());
+   output.append(sha1.final());
+   return output;
    }
 
 /**
@@ -54,7 +57,10 @@ SecureVector<byte> HandshakeHash::final_ssl3(const MemoryRegion<byte>& secret)
    md5.update(inner_md5);
    sha1.update(inner_sha1);
 
-   return SecureVector<byte>(md5.final(), sha1.final());
+   SecureVector<byte> output;
+   output.append(md5.final());
+   output.append(sha1.final());
+   return output;
    }
 
 }
diff --git a/src/sym_algo/symkey.cpp b/src/sym_algo/symkey.cpp
index c7533d256..160149b01 100644
--- a/src/sym_algo/symkey.cpp
+++ b/src/sym_algo/symkey.cpp
@@ -116,7 +116,10 @@ bool operator!=(const OctetString& s1, const OctetString& s2)
 */
 OctetString operator+(const OctetString& k1, const OctetString& k2)
    {
-   return OctetString(SecureVector<byte>(k1.bits_of(), k2.bits_of()));
+   SecureVector<byte> out;
+   out.append(k1.bits_of());
+   out.append(k2.bits_of());
+   return OctetString(out);
    }
 
 /*