port to GCC 4, reorganize implementations of SetKey

git-svn-id: svn://svn.code.sf.net/p/cryptopp/code/trunk/c5@248 57ff6487-cd31-0410-9ec3-f628ee90f5f0

1 files changed, 6 insertions, 8 deletions

diff --git a/rc2.cpp b/rc2.cpp
index d15ce3d..48df2ef 100644
--- a/rc2.cpp
+++ b/rc2.cpp
@@ -3,13 +3,18 @@
 #include "pch.h"
 #include "rc2.h"
 #include "misc.h"
+#include "argnames.h"
 
 NAMESPACE_BEGIN(CryptoPP)
 
-void RC2::Base::UncheckedSetKey(CipherDir direction, const byte *key, unsigned int keyLen, unsigned int effectiveLen)
+void RC2::Base::UncheckedSetKey(const byte *key, unsigned int keyLen, const NameValuePairs &params)
 {
 	AssertValidKeyLength(keyLen);
 
+	int effectiveLen = params.GetIntValueWithDefault(Name::EffectiveKeyLength(), DEFAULT_EFFECTIVE_KEYLENGTH);
+	if (effectiveLen > MAX_EFFECTIVE_KEYLENGTH)
+		throw InvalidArgument("RC2: effective key length parameter exceeds maximum");
+
 	static const unsigned char PITABLE[256] = {
 		217,120,249,196, 25,221,181,237, 40,233,253,121, 74,160,216,157,
 		198,126, 55,131, 43,118, 83,142, 98, 76,100,136, 68,139,251,162,
@@ -46,13 +51,6 @@ void RC2::Base::UncheckedSetKey(CipherDir direction, const byte *key, unsigned i
 		K[i] = L[2*i] + (L[2*i+1] << 8);
 }
 
-void RC2::Base::SetKeyWithEffectiveKeyLength(const byte *key, size_t length, unsigned int effectiveKeyLength)
-{
-	if (effectiveKeyLength > MAX_EFFECTIVE_KEYLENGTH)
-		throw InvalidArgument("RC2: effective key length parameter exceeds maximum");
-	UncheckedSetKey(ENCRYPTION, key, (unsigned int)length, effectiveKeyLength);
-}
-
 typedef BlockGetAndPut<word16, LittleEndian> Block;
 
 void RC2::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const