大理水控初始版本
diff --git a/supwisdom/sp_des.c b/supwisdom/sp_des.c
new file mode 100644
index 0000000..5d19916
--- /dev/null
+++ b/supwisdom/sp_des.c
@@ -0,0 +1,39 @@
+#include "string.h"
+#include "../icc_apdu_lib/des.h"
+
+#include "sp_des.h"
+
+static des_context desctx;
+static des3_context des3ctx;
+
+uint8 single_des_set_keys(uint8 key[8])
+{
+ return des_set_key(&desctx, key);
+}
+
+void single_des_encrypt(uint8 src[8], uint8 dest[8])
+{
+ des_encrypt(&desctx, src, dest);
+}
+
+void single_des_decrypt(uint8 src[8], uint8 dest[8])
+{
+ des_decrypt(&desctx, src, dest);
+}
+
+uint8 triple_des_set_keys(uint8 key[16])
+{
+ return des3_set_2keys(&des3ctx, key, key+8);
+}
+
+void triple_des_encrypt(uint8 src[8], uint8 dest[8])
+{
+ des3_encrypt(&des3ctx, src, dest);
+}
+
+void triple_des_decrypt(uint8 src[8], uint8 dest[8])
+{
+ des3_decrypt(&des3ctx, src, dest);
+}
+
+