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-rw-r--r--src/codec/openpgp/info.txt1
-rw-r--r--src/codec/openpgp/openpgp.cpp5
-rw-r--r--src/filters/algo_filt.cpp6
-rw-r--r--src/filters/filters.h17
-rw-r--r--src/libstate/algo_factory.cpp4
-rw-r--r--src/libstate/lookup.cpp8
6 files changed, 27 insertions, 14 deletions
diff --git a/src/codec/openpgp/info.txt b/src/codec/openpgp/info.txt
index 5ba418dbf..d43c72843 100644
--- a/src/codec/openpgp/info.txt
+++ b/src/codec/openpgp/info.txt
@@ -10,6 +10,7 @@ openpgp.h
</add>
<requires>
+crc24
base64
filters
</requires>
diff --git a/src/codec/openpgp/openpgp.cpp b/src/codec/openpgp/openpgp.cpp
index 2a84b037e..25eb15ec5 100644
--- a/src/codec/openpgp/openpgp.cpp
+++ b/src/codec/openpgp/openpgp.cpp
@@ -6,6 +6,7 @@
#include <botan/openpgp.h>
#include <botan/filters.h>
#include <botan/charset.h>
+#include <botan/crc24.h>
namespace Botan {
@@ -38,7 +39,7 @@ std::string encode(const byte input[], u32bit length,
Pipe pipe(new Fork(
new Base64_Encoder(true, PGP_WIDTH),
- new Chain(new Hash_Filter("CRC24"), new Base64_Encoder)
+ new Chain(new Hash_Filter(new CRC24), new Base64_Encoder)
)
);
@@ -133,7 +134,7 @@ SecureVector<byte> decode(DataSource& source, std::string& label,
Pipe base64(new Base64_Decoder,
new Fork(0,
- new Chain(new Hash_Filter("CRC24"),
+ new Chain(new Hash_Filter(new CRC24),
new Base64_Encoder)
)
);
diff --git a/src/filters/algo_filt.cpp b/src/filters/algo_filt.cpp
index 2c8402601..33a22b703 100644
--- a/src/filters/algo_filt.cpp
+++ b/src/filters/algo_filt.cpp
@@ -5,6 +5,7 @@
#include <botan/filters.h>
#include <botan/lookup.h>
+#include <botan/libstate.h>
#include <algorithm>
namespace Botan {
@@ -55,10 +56,11 @@ void StreamCipher_Filter::write(const byte input[], u32bit length)
/*************************************************
* Hash_Filter Constructor *
*************************************************/
-Hash_Filter::Hash_Filter(const std::string& hash_name, u32bit len) :
+Hash_Filter::Hash_Filter(const std::string& algo_spec,
+ u32bit len) :
OUTPUT_LENGTH(len)
{
- hash = get_hash(hash_name);
+ hash = global_state().algo_factory().make_hash_function(algo_spec);
}
/*************************************************
diff --git a/src/filters/filters.h b/src/filters/filters.h
index fce38318c..af9e6a6cc 100644
--- a/src/filters/filters.h
+++ b/src/filters/filters.h
@@ -14,6 +14,7 @@
#include <botan/pipe.h>
#include <botan/basefilt.h>
#include <botan/data_snk.h>
+#include <botan/scan_name.h>
#if defined(BOTAN_HAS_BASE64_CODEC)
#include <botan/base64.h>
@@ -82,13 +83,25 @@ class BOTAN_DLL Hash_Filter : public Filter
/**
* Construct a hash filter.
- * @param hash the name of the hash algorithm to use
+ * @param hash_fun the hash function to use
* @param len the output length of this filter. Leave the default
* value 0 if you want to use the full output of the hashfunction
* hash. Otherwise, specify a smaller value here so that the
* output of the hash algorithm will be cut off.
*/
- Hash_Filter(const std::string& hash, u32bit len = 0);
+ Hash_Filter(HashFunction* hash_fun, u32bit len = 0) :
+ OUTPUT_LENGTH(len), hash(hash_fun) {}
+
+ /**
+ * Construct a hash filter.
+ * @param request the name of the hash algorithm to use
+ * @param len the output length of this filter. Leave the default
+ * value 0 if you want to use the full output of the hashfunction
+ * hash. Otherwise, specify a smaller value here so that the
+ * output of the hash algorithm will be cut off.
+ */
+ Hash_Filter(const std::string& request, u32bit len = 0);
+
~Hash_Filter() { delete hash; }
private:
const u32bit OUTPUT_LENGTH;
diff --git a/src/libstate/algo_factory.cpp b/src/libstate/algo_factory.cpp
index c7f10a68a..cbb3c8faa 100644
--- a/src/libstate/algo_factory.cpp
+++ b/src/libstate/algo_factory.cpp
@@ -6,6 +6,7 @@ Algorithm Factory
#include <botan/libstate.h>
#include <botan/stl_util.h>
#include <botan/engine.h>
+#include <botan/exceptn.h>
#include <algorithm>
namespace Botan {
@@ -66,7 +67,8 @@ HashFunction* Algorithm_Factory::make_hash_function(const SCAN_Name& request)
const HashFunction* prototype = prototype_hash_function(request);
if(prototype)
return prototype->clone();
- return 0;
+
+ throw Algorithm_Not_Found(request.as_string());
}
}
diff --git a/src/libstate/lookup.cpp b/src/libstate/lookup.cpp
index d8fab625b..52e986ff2 100644
--- a/src/libstate/lookup.cpp
+++ b/src/libstate/lookup.cpp
@@ -23,13 +23,7 @@ const HashFunction* retrieve_hash(Library_State& libstate,
*************************************************/
HashFunction* get_hash(const std::string& algo_spec)
{
- const HashFunction* hash =
- global_state().algo_factory().prototype_hash_function(algo_spec);
-
- if(hash)
- return hash->clone();
-
- throw Algorithm_Not_Found(algo_spec);
+ return global_state().algo_factory().make_hash_function(algo_spec);
}
/*************************************************