Pubkey cleanups

Add Public_Key::key_length usable for policy checking (as in
TLS::Policy::check_peer_key_acceptable)

Remove Public_Key::max_input_bits because it didn't make much sense
for most algorithms actually.

Remove message_parts and message_part_size from PK_Ops

2 files changed, 7 insertions, 3 deletions

diff --git a/src/lib/pubkey/rsa/rsa.cpp b/src/lib/pubkey/rsa/rsa.cpp
index eae95fe02..4302aa88a 100644
--- a/src/lib/pubkey/rsa/rsa.cpp
+++ b/src/lib/pubkey/rsa/rsa.cpp
@@ -25,9 +25,14 @@
 
 namespace Botan {
 
+size_t RSA_PublicKey::key_length() const
+   {
+   return m_n.bits();
+   }
+
 size_t RSA_PublicKey::estimated_strength() const
    {
-   return if_work_factor(m_n.bits());
+   return if_work_factor(key_length());
    }
 
 AlgorithmIdentifier RSA_PublicKey::algorithm_identifier() const
diff --git a/src/lib/pubkey/rsa/rsa.h b/src/lib/pubkey/rsa/rsa.h
index 98d9217b8..f576a5f07 100644
--- a/src/lib/pubkey/rsa/rsa.h
+++ b/src/lib/pubkey/rsa/rsa.h
@@ -53,8 +53,7 @@ class BOTAN_DLL RSA_PublicKey : public virtual Public_Key
       */
       const BigInt& get_e() const { return m_e; }
 
-      size_t max_input_bits() const override { return (m_n.bits() - 1); }
-
+      size_t key_length() const override;
       size_t estimated_strength() const override;
 
       std::unique_ptr<PK_Ops::Encryption>