aboutsummaryrefslogtreecommitdiffstats
path: root/src/lib/block/seed/seed.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/lib/block/seed/seed.h')
-rw-r--r--src/lib/block/seed/seed.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/src/lib/block/seed/seed.h b/src/lib/block/seed/seed.h
new file mode 100644
index 000000000..25138a700
--- /dev/null
+++ b/src/lib/block/seed/seed.h
@@ -0,0 +1,43 @@
+/*
+* SEED
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_SEED_H__
+#define BOTAN_SEED_H__
+
+#include <botan/block_cipher.h>
+
+namespace Botan {
+
+/**
+* SEED, a Korean block cipher
+*/
+class BOTAN_DLL SEED : public Block_Cipher_Fixed_Params<16, 16>
+ {
+ public:
+ void encrypt_n(const byte in[], byte out[], size_t blocks) const;
+ void decrypt_n(const byte in[], byte out[], size_t blocks) const;
+
+ void clear();
+ std::string name() const { return "SEED"; }
+ BlockCipher* clone() const { return new SEED; }
+ private:
+ void key_schedule(const byte[], size_t);
+
+ class G_FUNC
+ {
+ public:
+ u32bit operator()(u32bit) const;
+ private:
+ static const u32bit S0[256], S1[256], S2[256], S3[256];
+ };
+
+ secure_vector<u32bit> K;
+ };
+
+}
+
+#endif