commit bf09376bdafdddf46e050cfb69a20647fc2c9ff6
author Xiaokang Qian <xiaokang.qian@arm.com> Thu Dec 15 14:53:03 2022 +0000
committer Xiaokang Qian <xiaokang.qian@arm.com> Wed Feb 08 05:43:59 2023 +0000
tree 4567291a7ad54fbb1045b420f0c301d2cb870119
parent df6f52e2b298cc3358843add594854b9b4e88203

Remove useless prepare_write_end_of_early_data

Signed-off-by: Xiaokang Qian <xiaokang.qian@arm.com>

library/ssl_tls13_client.c

diff --git a/library/ssl_tls13_client.c b/library/ssl_tls13_client.c
index b58cc29..418c84d 100644
--- a/library/ssl_tls13_client.c
+++ b/library/ssl_tls13_client.c
@@ -2150,34 +2150,6 @@
 }
 
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_tls13_prepare_end_of_early_data(mbedtls_ssl_context *ssl)
-{
-    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-
-    /* Start the TLS 1.3 key schedule: Set the PSK and derive early secret. */
-    ret = mbedtls_ssl_tls13_key_schedule_stage_early(ssl);
-    if (ret != 0) {
-        MBEDTLS_SSL_DEBUG_RET(1,
-                              "mbedtls_ssl_tls13_key_schedule_stage_early", ret);
-        return ret;
-    }
-
-    /* Derive 0-RTT key material */
-    ret = mbedtls_ssl_tls13_compute_early_transform(ssl);
-    if (ret != 0) {
-        MBEDTLS_SSL_DEBUG_RET(1,
-                              "mbedtls_ssl_tls13_compute_early_transform", ret);
-        return ret;
-    }
-
-    /* Activate transform */
-    MBEDTLS_SSL_DEBUG_MSG(1, ("Switch to early data keys for outbound traffic"));
-    mbedtls_ssl_set_outbound_transform(ssl, ssl->handshake->transform_earlydata);
-
-    return 0;
-}
-
-MBEDTLS_CHECK_RETURN_CRITICAL
 static int ssl_tls13_finalize_write_end_of_early_data(
     mbedtls_ssl_context *ssl)
 {
@@ -2203,7 +2175,6 @@
         unsigned char *buf = NULL;
         size_t buf_len;
 
-        MBEDTLS_SSL_PROC_CHK(ssl_tls13_prepare_end_of_early_data(ssl));
         MBEDTLS_SSL_DEBUG_MSG(2, ("Client write EndOfEarlyData"));
 
         MBEDTLS_SSL_PROC_CHK(mbedtls_ssl_start_handshake_msg(
@@ -2216,7 +2187,6 @@
             mbedtls_ssl_finish_handshake_msg(ssl, buf_len, 0));
     }
 
-    /* Update state */
     MBEDTLS_SSL_PROC_CHK(
         ssl_tls13_finalize_write_end_of_early_data(ssl));