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authorJack Lloyd <[email protected]>2016-04-12 23:03:14 -0400
committerJack Lloyd <[email protected]>2016-04-21 09:18:54 -0400
commit8b85b7805151ab8fce5ac9d214c71c4eeb3d6075 (patch)
tree40cbc2af481dfc2f84e32330308523a5e8f68e44 /src/tests/test_entropy.cpp
parenta4358c96a0de1ab7afc0b437ab79bfc35f2e1824 (diff)
Remove Transform base class
With sufficient squinting, Transform provided an abstract base interface that covered both cipher modes and compression algorithms. However it mapped on neither of them particularly well. In addition this API had the same problem that has made me dislike the Pipe/Filter API: given a Transform&, what does it do when you put bits in? Maybe it encrypts. Maybe it compresses. It's a floor wax and a dessert topping! Currently the Cipher_Mode interface is left mostly unchanged, with the APIs previously on Transform just moved down the type hierarchy. I think there are some definite improvements possible here, wrt handling of in-place encryption, but left for a later commit. The compression API is split into two types, Compression_Algorithm and Decompression_Algorithm. Compression_Algorithm's start() call takes the compression level, allowing varying compressions with a single object. And flushing the compression state is moved to a bool param on `Compression_Algorithm::update`. All the nonsense WRT compression algorithms having zero length nonces, input granularity rules, etc as a result of using the Transform interface goes away.
Diffstat (limited to 'src/tests/test_entropy.cpp')
-rw-r--r--src/tests/test_entropy.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/tests/test_entropy.cpp b/src/tests/test_entropy.cpp
index 406dc7c41..42d2cf536 100644
--- a/src/tests/test_entropy.cpp
+++ b/src/tests/test_entropy.cpp
@@ -77,7 +77,7 @@ class Entropy_Source_Tests : public Test
continue;
}
#endif
- std::unique_ptr<Botan::Compressor_Transform> comp(Botan::make_compressor(comp_algo, 9));
+ std::unique_ptr<Botan::Compression_Algorithm> comp(Botan::make_compressor(comp_algo));
if(comp)
{
@@ -87,7 +87,7 @@ class Entropy_Source_Tests : public Test
{
Botan::secure_vector<byte> compressed;
compressed.assign(entropy.begin(), entropy.end());
- comp->start();
+ comp->start(9);
comp->finish(compressed);
comp1_size = compressed.size();