I keep forgetting to fix this: update the IV! Most important!

CHANGES

@@ -5,6 +5,9 @@
 
  Changes between 0.9.3a and 0.9.4
 
+  *) DES CBC did not update the IV. Weird.
+     [Ben Laurie]
+
   *) When bntest is run from "make test" it drives bc to check its
      calculations, as well as internally checking them. If an internal check
      fails, it needs to cause bc to give a non-zero result or make test carries

crypto/des/cbc_enc.c

@@ -94,6 +94,9 @@ void des_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
 			tout0=tin[0]; l2c(tout0,out);
 			tout1=tin[1]; l2c(tout1,out);
 			}
+		iv = &(*ivec)[0];
+		l2c(tout0,iv);
+		l2c(tout1,iv);
 		}
 	else
 		{
@@ -122,6 +125,9 @@ void des_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
 		/*	xor0=tin0;
 			xor1=tin1; */
 			}
+		iv = &(*ivec)[0];
+		l2c(xor0,iv);
+		l2c(xor1,iv);
 		}
 	tin0=tin1=tout0=tout1=xor0=xor1=0;
 	tin[0]=tin[1]=0;