3 files changed, 5 insertions, 5 deletions
diff --git a/src/lib/math/ec_gfp/point_gfp.h b/src/lib/math/ec_gfp/point_gfp.h
index 206e43155..c64963683 100644
--- a/src/lib/math/ec_gfp/point_gfp.h
+++ b/src/lib/math/ec_gfp/point_gfp.h
@@ -21,7 +21,7 @@ namespace Botan {
 */
 struct BOTAN_DLL Illegal_Transformation : public Exception
    {
-   Illegal_Transformation(const std::string& err =
+   explicit Illegal_Transformation(const std::string& err =
                           "Requested transformation is not possible") :
       Exception(err) {}
    };
@@ -31,7 +31,7 @@ struct BOTAN_DLL Illegal_Transformation : public Exception
 */
 struct BOTAN_DLL Illegal_Point : public Exception
    {
-   Illegal_Point(const std::string& err = "Malformed ECP point detected") :
+   explicit Illegal_Point(const std::string& err = "Malformed ECP point detected") :
       Exception(err) {}
    };
 
@@ -56,7 +56,7 @@ class BOTAN_DLL PointGFp
       * Construct the zero point
       * @param curve The base curve
       */
-      PointGFp(const CurveGFp& curve);
+      explicit PointGFp(const CurveGFp& curve);
 
       static PointGFp zero_of(const CurveGFp& curve)
          {
diff --git a/src/lib/math/numbertheory/dsa_gen.cpp b/src/lib/math/numbertheory/dsa_gen.cpp
index 1f922fd49..42bfeb4c1 100644
--- a/src/lib/math/numbertheory/dsa_gen.cpp
+++ b/src/lib/math/numbertheory/dsa_gen.cpp
@@ -61,7 +61,7 @@ bool generate_dsa_primes(RandomNumberGenerator& rng,
    class Seed
       {
       public:
-         Seed(const std::vector<byte>& s) : m_seed(s) {}
+         explicit Seed(const std::vector<byte>& s) : m_seed(s) {}
 
          operator std::vector<byte>& () { return m_seed; }
 
diff --git a/src/lib/math/numbertheory/reducer.h b/src/lib/math/numbertheory/reducer.h
index 248de3e2f..36808f00f 100644
--- a/src/lib/math/numbertheory/reducer.h
+++ b/src/lib/math/numbertheory/reducer.h
@@ -50,7 +50,7 @@ class BOTAN_DLL Modular_Reducer
       bool initialized() const { return (m_mod_words != 0); }
 
       Modular_Reducer() { m_mod_words = 0; }
-      Modular_Reducer(const BigInt& mod);
+      explicit Modular_Reducer(const BigInt& mod);
    private:
       BigInt m_modulus, m_modulus_2, m_mu;
       size_t m_mod_words;