[ofb] correct encryption formula formatting

cs161-staff · Jul 3, 2024 · b0fb908 · b0fb908
1 parent a488e49
commit b0fb908
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/crypto/symmetric.md b/crypto/symmetric.md
@@ -279,7 +279,7 @@ operation](/assets/images/crypto/symmetric/CFB_decryption.png)
 
   $$
   \begin{cases}
-    Z_0 = IV \\ Z_i = E_K(Z*{i-1}) \\ C_i = M_i \oplus Z_i
+    Z_0 = IV \\ Z_i = E_K(Z_{i-1}) \\ C_i = M_i \oplus Z_i
   \end{cases}
   $$