3 files changed, 6 insertions, 5 deletions
diff --git a/src/pubkey/dsa/dsa.cpp b/src/pubkey/dsa/dsa.cpp
index 7eefa5923..a3917b3d7 100644
--- a/src/pubkey/dsa/dsa.cpp
+++ b/src/pubkey/dsa/dsa.cpp
@@ -94,8 +94,8 @@ DSA_Signature_Operation::sign(const byte msg[], u32bit msg_len,
       }
 
    SecureVector<byte> output(2*q.bytes());
-   r.binary_encode(output + (output.size() / 2 - r.bytes()));
-   s.binary_encode(output + (output.size() - s.bytes()));
+   r.binary_encode(&output[output.size() / 2 - r.bytes()]);
+   s.binary_encode(&output[output.size() - s.bytes()]);
    return output;
    }
 
diff --git a/src/pubkey/ecdsa/ecdsa.cpp b/src/pubkey/ecdsa/ecdsa.cpp
index 8915a598e..88ef8a38a 100644
--- a/src/pubkey/ecdsa/ecdsa.cpp
+++ b/src/pubkey/ecdsa/ecdsa.cpp
@@ -55,8 +55,8 @@ ECDSA_Signature_Operation::sign(const byte msg[], u32bit msg_len,
    BigInt s = mod_order.multiply(inverse_mod(k, order), mul_add(x, r, m));
 
    SecureVector<byte> output(2*order.bytes());
-   r.binary_encode(output + (output.size() / 2 - r.bytes()));
-   s.binary_encode(output + (output.size() - s.bytes()));
+   r.binary_encode(&output[output.size() / 2 - r.bytes()]);
+   s.binary_encode(&output[output.size() - s.bytes()]);
    return output;
    }
 
diff --git a/src/pubkey/pubkey.h b/src/pubkey/pubkey.h
index ff4355675..2ea60fc86 100644
--- a/src/pubkey/pubkey.h
+++ b/src/pubkey/pubkey.h
@@ -230,7 +230,8 @@ class BOTAN_DLL PK_Verifier
       bool verify_message(const MemoryRegion<byte>& msg,
                           const MemoryRegion<byte>& sig)
          {
-         return verify_message(msg, msg.size(), sig, sig.size());
+         return verify_message(&msg[0], msg.size(),
+                               &sig[0], sig.size());
          }
 
       /**