Fixed counter mode encryption/decryption.

[silc.git] / lib / silccrypt / aes.c

diff --git a/lib/silccrypt/aes.c b/lib/silccrypt/aes.c
index bb78fd166bf88675fe9e366902c2a58c679686fd..88877978407582fd38ea1357c69ec10ad1025391 100644 (file)
--- a/lib/silccrypt/aes.c
+++ b/lib/silccrypt/aes.c
@@ -54,6 +54,13 @@ SILC_CIPHER_API_SET_KEY(aes_cbc)
   return TRUE;
 }
 
+/* Sets IV for the cipher. */
+
+SILC_CIPHER_API_SET_IV(aes_cbc)
+{
+
+}
+
 /* Returns the size of the cipher context. */
 
 SILC_CIPHER_API_CONTEXT_LEN(aes_cbc)
@@ -124,6 +131,16 @@ SILC_CIPHER_API_SET_KEY(aes_ctr)
   return TRUE;
 }
 
+/* Sets IV for the cipher. */
+
+SILC_CIPHER_API_SET_IV(aes_ctr)
+{
+  AesContext *aes = context;
+
+  /* Starts new block. */
+  aes->u.enc.inf.b[2] = 0;
+}
+
 /* Returns the size of the cipher context. */
 
 SILC_CIPHER_API_CONTEXT_LEN(aes_ctr)
@@ -138,7 +155,7 @@ SILC_CIPHER_API_ENCRYPT(aes_ctr)
 {
   AesContext *aes = context;
   SilcUInt32 ctr[4];
-  int i;
+  int i = 16;
 
   SILC_GET32_MSB(ctr[0], iv);
   SILC_GET32_MSB(ctr[1], iv + 4);