commit a8e40ddfc90a6b126b9756996704f8cad22c9cc4
author Bence Szépkúti <bence.szepkuti@arm.com> Thu Oct 29 10:22:35 2020 +0100
committer Bence Szépkúti <bence.szepkuti@arm.com> Fri Nov 06 09:40:21 2020 +0100
tree 3ca8fdd861f9a487a76daa1b4f643df2702a2443
parent 935b4f96f9fb9d47158c988a1acaf9e1fa042e67

Do not set IV size for ECB mode ciphers

ECB mode ciphers do not use IVs

Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>

ChangeLog.d/ecb_iv_fix.txt

diff --git a/ChangeLog.d/ecb_iv_fix.txt b/ChangeLog.d/ecb_iv_fix.txt
new file mode 100644
index 0000000..ae2ae25
--- /dev/null
+++ b/ChangeLog.d/ecb_iv_fix.txt
@@ -0,0 +1,3 @@
+Bugfix
+   * Correct the default IV size for mbedtls_cipher_info_t structures using
+     MBEDTLS_MODE_ECB to 0, since ECB mode ciphers don't use IVs.

library/cipher_wrap.c

diff --git a/library/cipher_wrap.c b/library/cipher_wrap.c
index 8eb2ec0..57eb3cb 100644
--- a/library/cipher_wrap.c
+++ b/library/cipher_wrap.c
@@ -753,7 +753,7 @@
     MBEDTLS_MODE_ECB,
     128,
     "CAMELLIA-128-ECB",
-    16,
+    0,
     0,
     16,
     &camellia_info
@@ -764,7 +764,7 @@
     MBEDTLS_MODE_ECB,
     192,
     "CAMELLIA-192-ECB",
-    16,
+    0,
     0,
     16,
     &camellia_info
@@ -775,7 +775,7 @@
     MBEDTLS_MODE_ECB,
     256,
     "CAMELLIA-256-ECB",
-    16,
+    0,
     0,
     16,
     &camellia_info
@@ -1129,7 +1129,7 @@
     MBEDTLS_MODE_ECB,
     128,
     "ARIA-128-ECB",
-    16,
+    0,
     0,
     16,
     &aria_info
@@ -1140,7 +1140,7 @@
     MBEDTLS_MODE_ECB,
     192,
     "ARIA-192-ECB",
-    16,
+    0,
     0,
     16,
     &aria_info
@@ -1151,7 +1151,7 @@
     MBEDTLS_MODE_ECB,
     256,
     "ARIA-256-ECB",
-    16,
+    0,
     0,
     16,
     &aria_info
@@ -1553,7 +1553,7 @@
     MBEDTLS_MODE_ECB,
     MBEDTLS_KEY_LENGTH_DES,
     "DES-ECB",
-    8,
+    0,
     0,
     8,
     &des_info
@@ -1604,7 +1604,7 @@
     MBEDTLS_MODE_ECB,
     MBEDTLS_KEY_LENGTH_DES_EDE,
     "DES-EDE-ECB",
-    8,
+    0,
     0,
     8,
     &des_ede_info
@@ -1655,7 +1655,7 @@
     MBEDTLS_MODE_ECB,
     MBEDTLS_KEY_LENGTH_DES_EDE3,
     "DES-EDE3-ECB",
-    8,
+    0,
     0,
     8,
     &des_ede3_info
@@ -1770,7 +1770,7 @@
     MBEDTLS_MODE_ECB,
     128,
     "BLOWFISH-ECB",
-    8,
+    0,
     MBEDTLS_CIPHER_VARIABLE_KEY_LEN,
     8,
     &blowfish_info