3 files changed, 44 insertions, 0 deletions
diff --git a/src/engine/def_engine/def_pk_ops.cpp b/src/engine/def_engine/def_pk_ops.cpp
index d1ee454a2..57d17f662 100644
--- a/src/engine/def_engine/def_pk_ops.cpp
+++ b/src/engine/def_engine/def_pk_ops.cpp
@@ -114,6 +114,43 @@ Default_Engine::get_signature_op(const Private_Key& key) const
    return 0;
    }
 
+PK_Ops::Verification*
+Default_Engine::get_verify_op(const Public_Key& key) const
+   {
+#if defined(BOTAN_HAS_RSA)
+   if(const RSA_PublicKey* s = dynamic_cast<const RSA_PublicKey*>(&key))
+      return new RSA_Verification_Operation(*s);
+#endif
+
+#if defined(BOTAN_HAS_RW)
+   if(const RW_PublicKey* s = dynamic_cast<const RW_PublicKey*>(&key))
+      return new RW_Verification_Operation(*s);
+#endif
+
+#if defined(BOTAN_HAS_DSA)
+   if(const DSA_PublicKey* s = dynamic_cast<const DSA_PublicKey*>(&key))
+      return new DSA_Verification_Operation(*s);
+#endif
+
+#if defined(BOTAN_HAS_ECDSA)
+   if(const ECDSA_PublicKey* s = dynamic_cast<const ECDSA_PublicKey*>(&key))
+      return new ECDSA_Verification_Operation(*s);
+#endif
+
+#if defined(BOTAN_HAS_GOST_3410_2001)
+   if(const GOST_3410_PublicKey* s =
+         dynamic_cast<const GOST_3410_PublicKey*>(&key))
+      return new GOST_3410_Verification_Operation(*s);
+#endif
+
+#if defined(BOTAN_HAS_NYBERG_RUEPPEL)
+   if(const NR_PublicKey* s = dynamic_cast<const NR_PublicKey*>(&key))
+      return new NR_Verification_Operation(*s);
+#endif
+
+   return 0;
+   }
+
 #if defined(BOTAN_HAS_IF_PUBLIC_KEY_FAMILY)
 /*
 * Acquire an IF op
diff --git a/src/engine/def_engine/default_engine.h b/src/engine/def_engine/default_engine.h
index 9f18ca469..4e21fb3a5 100644
--- a/src/engine/def_engine/default_engine.h
+++ b/src/engine/def_engine/default_engine.h
@@ -26,6 +26,8 @@ class Default_Engine : public Engine
       PK_Ops::Signature_Operation*
          get_signature_op(const Private_Key& key) const;
 
+      PK_Ops::Verification* get_verify_op(const Public_Key& key) const;
+
 #if defined(BOTAN_HAS_IF_PUBLIC_KEY_FAMILY)
       IF_Operation* if_op(const BigInt&, const BigInt&, const BigInt&,
                           const BigInt&, const BigInt&, const BigInt&,
diff --git a/src/engine/engine.h b/src/engine/engine.h
index 6087af52c..b0bbf5b14 100644
--- a/src/engine/engine.h
+++ b/src/engine/engine.h
@@ -90,6 +90,11 @@ class BOTAN_DLL Engine
          return 0;
          }
 
+      virtual PK_Ops::Verification* get_verify_op(const Public_Key&) const
+         {
+         return 0;
+         }
+
 #if defined(BOTAN_HAS_IF_PUBLIC_KEY_FAMILY)
       virtual IF_Operation* if_op(const BigInt&, const BigInt&, const BigInt&,
                                   const BigInt&, const BigInt&, const BigInt&,