2 files changed, 6 insertions, 6 deletions
diff --git a/src/pubkey/rw/rw.cpp b/src/pubkey/rw/rw.cpp
index a1df0649b..bf66898b2 100644
--- a/src/pubkey/rw/rw.cpp
+++ b/src/pubkey/rw/rw.cpp
@@ -84,9 +84,9 @@ RW_Signature_Operation::RW_Signature_Operation(const RW_PrivateKey& rw) :
    {
    }
 
-SecureVector<byte> RW_Signature_Operation::sign(const byte msg[],
-                                                u32bit msg_len,
-                                                RandomNumberGenerator&)
+SecureVector<byte>
+RW_Signature_Operation::sign(const byte msg[], u32bit msg_len,
+                             RandomNumberGenerator&) const
    {
    BigInt i(msg, msg_len);
 
@@ -108,7 +108,7 @@ SecureVector<byte> RW_Signature_Operation::sign(const byte msg[],
    }
 
 SecureVector<byte>
-RW_Verification_Operation::verify_mr(const byte msg[], u32bit msg_len)
+RW_Verification_Operation::verify_mr(const byte msg[], u32bit msg_len) const
    {
    BigInt m(msg, msg_len);
 
diff --git a/src/pubkey/rw/rw.h b/src/pubkey/rw/rw.h
index 232051862..059ba7d48 100644
--- a/src/pubkey/rw/rw.h
+++ b/src/pubkey/rw/rw.h
@@ -70,7 +70,7 @@ class BOTAN_DLL RW_Signature_Operation : public PK_Ops::Signature
       u32bit max_input_bits() const { return (n.bits() - 1); }
 
       SecureVector<byte> sign(const byte msg[], u32bit msg_len,
-                              RandomNumberGenerator& rng);
+                              RandomNumberGenerator& rng) const;
    private:
       const BigInt& q;
       const BigInt& c;
@@ -90,7 +90,7 @@ class BOTAN_DLL RW_Verification_Operation : public PK_Ops::Verification
       u32bit max_input_bits() const { return (n.bits() - 1); }
       bool with_recovery() const { return true; }
 
-      SecureVector<byte> verify_mr(const byte msg[], u32bit msg_len);
+      SecureVector<byte> verify_mr(const byte msg[], u32bit msg_len) const;
 
    private:
       const BigInt& n;