Remove use of lookups

2 files changed, 10 insertions, 6 deletions

diff --git a/doc/examples/decrypt.cpp b/doc/examples/decrypt.cpp
index 2e913d2d3..ea510c5e9 100644
--- a/doc/examples/decrypt.cpp
+++ b/doc/examples/decrypt.cpp
@@ -96,14 +96,16 @@ int main(int argc, char* argv[])
          return 1;
          }
 
-      if(!have_block_cipher(algo))
+      const BlockCipher* cipher_proto = global_state().algorithm_factory().prototype_block_cipher(algo);
+
+      if(!cipher_proto)
          {
          std::cout << "Don't know about the block cipher \"" << algo << "\"\n";
          return 1;
          }
 
-      const u32bit key_len = max_keylength_of(algo);
-      const u32bit iv_len = block_size_of(algo);
+      const u32bit key_len = cipher_proto->maximum_keylength();
+      const u32bit iv_len = cipher_proto->block_size();
 
       std::auto_ptr<PBKDF> pbkdf(get_pbkdf("PBKDF2(SHA-1)"));
 
diff --git a/doc/examples/encrypt.cpp b/doc/examples/encrypt.cpp
index 8f53c85e3..28017d875 100644
--- a/doc/examples/encrypt.cpp
+++ b/doc/examples/encrypt.cpp
@@ -113,14 +113,16 @@ int main(int argc, char* argv[])
 
    try
       {
-      if(!have_block_cipher(algo))
+      const BlockCipher* cipher_proto = global_state().algorithm_factory().prototype_block_cipher(algo);
+
+      if(!cipher_proto)
          {
          std::cout << "Don't know about the block cipher \"" << algo << "\"\n";
          return 1;
          }
 
-      const u32bit key_len = max_keylength_of(algo);
-      const u32bit iv_len = block_size_of(algo);
+      const u32bit key_len = cipher_proto->maximum_keylength();
+      const u32bit iv_len = cipher_proto->block_size();
 
       AutoSeeded_RNG rng;