#ifdef GC_USE_ARCFOUR
# include "arcfour.h"
#endif
+#ifdef GC_USE_ARCTWO
+# include "arctwo.h"
+#endif
+#ifdef GC_USE_DES
+# include "des.h"
+#endif
#ifdef GC_USE_RIJNDAEL
# include "rijndael-api-fst.h"
#endif
typedef struct _gc_cipher_ctx {
Gc_cipher alg;
Gc_cipher_mode mode;
+#ifdef GC_USE_ARCTWO
+ arctwo_context arctwoContext;
+#endif
#ifdef GC_USE_ARCFOUR
arcfour_context arcfourContext;
#endif
+#ifdef GC_USE_DES
+ des_ctx desContext;
+#endif
#ifdef GC_USE_RIJNDAEL
rijndaelKeyInstance aesEncKey;
rijndaelKeyInstance aesDecKey;
switch (alg)
{
+#ifdef GC_USE_ARCTWO
+ case GC_ARCTWO40:
+ switch (mode)
+ {
+ case GC_ECB:
+ break;
+
+ default:
+ rc = GC_INVALID_CIPHER;
+ }
+ break;
+#endif
+
#ifdef GC_USE_ARCFOUR
case GC_ARCFOUR128:
case GC_ARCFOUR40:
break;
#endif
+#ifdef GC_USE_DES
+ case GC_DES:
+ switch (mode)
+ {
+ case GC_ECB:
+ break;
+
+ default:
+ rc = GC_INVALID_CIPHER;
+ }
+ break;
+#endif
+
#ifdef GC_USE_RIJNDAEL
case GC_AES128:
case GC_AES192:
switch (ctx->alg)
{
+#ifdef GC_USE_ARCTWO
+ case GC_ARCTWO40:
+ arctwo_setkey (&ctx->arctwoContext, keylen, key);
+ break;
+#endif
+
#ifdef GC_USE_ARCFOUR
case GC_ARCFOUR128:
case GC_ARCFOUR40:
break;
#endif
+#ifdef GC_USE_DES
+ case GC_DES:
+ if (keylen != 8)
+ return GC_INVALID_CIPHER;
+ des_setkey (&ctx->desContext, key);
+ break;
+#endif
+
#ifdef GC_USE_RIJNDAEL
case GC_AES128:
case GC_AES192:
switch (ctx->alg)
{
+#ifdef GC_USE_ARCTWO
+ case GC_ARCTWO40:
+ arctwo_encrypt (&ctx->arctwoContext, data, data, len);
+ break;
+#endif
+
#ifdef GC_USE_ARCFOUR
case GC_ARCFOUR128:
case GC_ARCFOUR40:
break;
#endif
+#ifdef GC_USE_DES
+ case GC_DES:
+ for (; len >= 8; len -= 8, data += 8)
+ des_ecb_encrypt (&ctx->desContext, data, data);
+ break;
+#endif
+
#ifdef GC_USE_RIJNDAEL
case GC_AES128:
case GC_AES192:
switch (ctx->alg)
{
+#ifdef GC_USE_ARCTWO
+ case GC_ARCTWO40:
+ arctwo_decrypt (&ctx->arctwoContext, data, data, len);
+ break;
+#endif
+
#ifdef GC_USE_ARCFOUR
case GC_ARCFOUR128:
case GC_ARCFOUR40:
break;
#endif
+#ifdef GC_USE_DES
+ case GC_DES:
+ for (; len >= 8; len -= 8, data += 8)
+ des_ecb_decrypt (&ctx->desContext, data, data);
+ break;
+#endif
+
#ifdef GC_USE_RIJNDAEL
case GC_AES128:
case GC_AES192: