diff options
Diffstat (limited to 'plugins/CryptoPP/crypto/hex.cpp')
| -rw-r--r-- | plugins/CryptoPP/crypto/hex.cpp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/plugins/CryptoPP/crypto/hex.cpp b/plugins/CryptoPP/crypto/hex.cpp new file mode 100644 index 0000000000..df4fc2ed2d --- /dev/null +++ b/plugins/CryptoPP/crypto/hex.cpp @@ -0,0 +1,44 @@ +// hex.cpp - written and placed in the public domain by Wei Dai
+
+#include "pch.h"
+
+#ifndef CRYPTOPP_IMPORTS
+
+#include "hex.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+static const byte s_vecUpper[] = "0123456789ABCDEF";
+static const byte s_vecLower[] = "0123456789abcdef";
+
+void HexEncoder::IsolatedInitialize(const NameValuePairs ¶meters)
+{
+ bool uppercase = parameters.GetValueWithDefault(Name::Uppercase(), true);
+ m_filter->Initialize(CombinedNameValuePairs(
+ parameters,
+ MakeParameters(Name::EncodingLookupArray(), uppercase ? &s_vecUpper[0] : &s_vecLower[0], false)(Name::Log2Base(), 4, true)));
+}
+
+void HexDecoder::IsolatedInitialize(const NameValuePairs ¶meters)
+{
+ BaseN_Decoder::IsolatedInitialize(CombinedNameValuePairs(
+ parameters,
+ MakeParameters(Name::DecodingLookupArray(), GetDefaultDecodingLookupArray(), false)(Name::Log2Base(), 4, true)));
+}
+
+const int *HexDecoder::GetDefaultDecodingLookupArray()
+{
+ static bool s_initialized = false;
+ static int s_array[256];
+
+ if (!s_initialized)
+ {
+ InitializeDecodingLookupArray(s_array, s_vecUpper, 16, true);
+ s_initialized = true;
+ }
+ return s_array;
+}
+
+NAMESPACE_END
+
+#endif
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