Constify sign and verify ops

2 files changed, 6 insertions, 6 deletions

diff --git a/src/pubkey/dsa/dsa.cpp b/src/pubkey/dsa/dsa.cpp
index 60414195d..1fbc2abc1 100644
--- a/src/pubkey/dsa/dsa.cpp
+++ b/src/pubkey/dsa/dsa.cpp
@@ -86,9 +86,9 @@ DSA_Signature_Operation::DSA_Signature_Operation(const DSA_PrivateKey& dsa) :
    {
    }
 
-SecureVector<byte> DSA_Signature_Operation::sign(const byte msg[],
-                                                 u32bit msg_len,
-                                                 RandomNumberGenerator& rng)
+SecureVector<byte>
+DSA_Signature_Operation::sign(const byte msg[], u32bit msg_len,
+                              RandomNumberGenerator& rng) const
    {
    rng.add_entropy(msg, msg_len);
 
@@ -121,7 +121,7 @@ DSA_Verification_Operation::DSA_Verification_Operation(const DSA_PublicKey& dsa)
    }
 
 bool DSA_Verification_Operation::verify(const byte msg[], u32bit msg_len,
-                                        const byte sig[], u32bit sig_len)
+                                        const byte sig[], u32bit sig_len) const
    {
    const BigInt& q = mod_q.get_modulus();
 
diff --git a/src/pubkey/dsa/dsa.h b/src/pubkey/dsa/dsa.h
index 7745e08ff..290cb5740 100644
--- a/src/pubkey/dsa/dsa.h
+++ b/src/pubkey/dsa/dsa.h
@@ -69,7 +69,7 @@ class BOTAN_DLL DSA_Signature_Operation : public PK_Ops::Signature
       u32bit max_input_bits() const { return q.bits(); }
 
       SecureVector<byte> sign(const byte msg[], u32bit msg_len,
-                              RandomNumberGenerator& rng);
+                              RandomNumberGenerator& rng) const;
    private:
       const BigInt& q;
       const BigInt& x;
@@ -89,7 +89,7 @@ class BOTAN_DLL DSA_Verification_Operation : public PK_Ops::Verification
       bool with_recovery() const { return false; }
 
       bool verify(const byte msg[], u32bit msg_len,
-                  const byte sig[], u32bit sig_len);
+                  const byte sig[], u32bit sig_len) const;
    private:
       const BigInt& q;
       const BigInt& y;