2 files changed, 3 insertions, 3 deletions
diff --git a/src/pubkey/ecdh/ecdh.cpp b/src/pubkey/ecdh/ecdh.cpp
index 2c78b65a6..656644370 100644
--- a/src/pubkey/ecdh/ecdh.cpp
+++ b/src/pubkey/ecdh/ecdh.cpp
@@ -20,7 +20,7 @@ ECDH_KA_Operation::ECDH_KA_Operation(const ECDH_PrivateKey& key) :
                   key.private_value();
    }
 
-SecureVector<byte> ECDH_KA_Operation::agree(const byte w[], u32bit w_len)
+SecureVector<byte> ECDH_KA_Operation::agree(const byte w[], size_t w_len)
    {
    PointGFp point = OS2ECP(w, w_len, curve);
 
diff --git a/src/pubkey/ecdh/ecdh.h b/src/pubkey/ecdh/ecdh.h
index f0872c5cc..301bb1591 100644
--- a/src/pubkey/ecdh/ecdh.h
+++ b/src/pubkey/ecdh/ecdh.h
@@ -48,7 +48,7 @@ class BOTAN_DLL ECDH_PublicKey : public virtual EC_PublicKey
 
       * @return maximum number of input bits
       */
-      u32bit max_input_bits() const { return domain().get_order().bits(); }
+      size_t max_input_bits() const { return domain().get_order().bits(); }
 
       /**
       * @return public point value
@@ -94,7 +94,7 @@ class BOTAN_DLL ECDH_KA_Operation : public PK_Ops::Key_Agreement
    public:
       ECDH_KA_Operation(const ECDH_PrivateKey& key);
 
-      SecureVector<byte> agree(const byte w[], u32bit w_len);
+      SecureVector<byte> agree(const byte w[], size_t w_len);
    private:
       const CurveGFp& curve;
       const BigInt& cofactor;