Serpent seems to work. Byte order is very strange.

[chiark-tcl.git] / crypto / bcmode.c

diff --git a/crypto/bcmode.c b/crypto/bcmode.c
index 7d5a5d4f6ea500e03835393f79b61e9470b36147..a40aff077f4101e2c1821d0fb2f2fd1d92a486b7 100644 (file)
--- a/crypto/bcmode.c
+++ b/crypto/bcmode.c
@@ -46,7 +46,21 @@ const char *mode_cbc_decrypt(Byte *data, int blocks,
   return 0;
 }
 
+const char *mode_ecb(Byte *data, int blocks,
+                    const Byte *iv, Byte *chain,
+                    const BlockCipherAlgInfo *alg, int encr,
+                    int blocksize, const void *sch) {
+  while (blocks > 0) {
+    alg->byteswap(data);
+    (encr ? &alg->encrypt : &alg->decrypt)->crypt(sch, data, data);
+    alg->byteswap(data);
+    blocks--; data += blocksize;
+  }
+  return 0;
+}
+
 const BlockCipherModeInfo blockciphermodeinfos[]= {
   { "cbc", 1, 2, mode_cbc_encrypt, mode_cbc_decrypt },
+  { "ecb", 0, 0, mode_ecb,         mode_ecb         },
   { 0 }
 };