From 022b9a1ca0bc14a29c10a423962f03e209a78298 Mon Sep 17 00:00:00 2001
From: Yanray Wang <yanray.wang@arm.com>
Date: Tue, 12 Sep 2023 09:45:37 +0800
Subject: [PATCH] benchmark: add AES_CFB8

Signed-off-by: Yanray Wang <yanray.wang@arm.com>
---
 programs/test/benchmark.c | 34 ++++++++++++++++++++++++++--------
 1 file changed, 26 insertions(+), 8 deletions(-)

diff --git a/programs/test/benchmark.c b/programs/test/benchmark.c
index 1a8baee9a..06b739a7f 100644
--- a/programs/test/benchmark.c
+++ b/programs/test/benchmark.c
@@ -113,13 +113,13 @@ static void mbedtls_set_alarm(int seconds);
 #define HEADER_FORMAT   "  %-24s :  "
 #define TITLE_LEN       25
 
-#define OPTIONS                                                         \
-    "md5, ripemd160, sha1, sha256, sha512,\n"                           \
-    "sha3_224, sha3_256, sha3_384, sha3_512,\n"                         \
-    "des3, des, camellia, chacha20,\n"                                  \
-    "aes_cbc, aes_cfb128, aes_gcm, aes_ccm, aes_xts, chachapoly,\n"     \
-    "aes_cmac, des3_cmac, poly1305\n"                                   \
-    "ctr_drbg, hmac_drbg\n"                                             \
+#define OPTIONS                                                              \
+    "md5, ripemd160, sha1, sha256, sha512,\n"                                \
+    "sha3_224, sha3_256, sha3_384, sha3_512,\n"                              \
+    "des3, des, camellia, chacha20,\n"                                       \
+    "aes_cbc, aes_cfb128, aes_cfb8, aes_gcm, aes_ccm, aes_xts, chachapoly\n" \
+    "aes_cmac, des3_cmac, poly1305\n"                                        \
+    "ctr_drbg, hmac_drbg\n"                                                  \
     "rsa, dhm, ecdsa, ecdh.\n"
 
 #if defined(MBEDTLS_ERROR_C)
@@ -510,7 +510,7 @@ typedef struct {
     char md5, ripemd160, sha1, sha256, sha512,
          sha3_224, sha3_256, sha3_384, sha3_512,
          des3, des,
-         aes_cbc, aes_cfb128, aes_gcm, aes_ccm, aes_xts, chachapoly,
+         aes_cbc, aes_cfb128, aes_cfb8, aes_gcm, aes_ccm, aes_xts, chachapoly,
          aes_cmac, des3_cmac,
          aria, camellia, chacha20,
          poly1305,
@@ -572,6 +572,8 @@ int main(int argc, char *argv[])
                 todo.aes_cbc = 1;
             } else if (strcmp(argv[i], "aes_cfb128") == 0) {
                 todo.aes_cfb128 = 1;
+            } else if (strcmp(argv[i], "aes_cfb8") == 0) {
+                todo.aes_cfb8 = 1;
             } else if (strcmp(argv[i], "aes_xts") == 0) {
                 todo.aes_xts = 1;
             } else if (strcmp(argv[i], "aes_gcm") == 0) {
@@ -753,6 +755,22 @@ int main(int argc, char *argv[])
         }
         mbedtls_aes_free(&aes);
     }
+    if (todo.aes_cfb8) {
+        int keysize;
+        mbedtls_aes_context aes;
+        mbedtls_aes_init(&aes);
+        for (keysize = 128; keysize <= 256; keysize += 64) {
+            mbedtls_snprintf(title, sizeof(title), "AES-CFB8-%d", keysize);
+
+            memset(buf, 0, sizeof(buf));
+            memset(tmp, 0, sizeof(tmp));
+            CHECK_AND_CONTINUE(mbedtls_aes_setkey_enc(&aes, tmp, keysize));
+
+            TIME_AND_TSC(title,
+                         mbedtls_aes_crypt_cfb8(&aes, MBEDTLS_AES_ENCRYPT, BUFSIZE, tmp, buf, buf));
+        }
+        mbedtls_aes_free(&aes);
+    }
 #endif
 #if defined(MBEDTLS_CIPHER_MODE_XTS)
     if (todo.aes_xts) {