commit 883cb5bfed2715c79041fd211b80f5bf5fc5a262
author Roman Okhrimenko <roman.okhrimenko@infineon.com> Thu Mar 28 17:22:33 2024 +0200
committer Roman Okhrimenko <roman.okhrimenko@infineon.com> Mon Apr 01 16:39:49 2024 +0300
tree 0301eb19e6d3bd2b22cbc0dfc3ab310ee08b2985
parent 409941a9bbb7899f87af499b0afbbefca400d0d8

Infineon: Add support for CYW89829 devices, improve swap with status algorithm speed

boot/bootutil/src/encrypted.c

diff --git a/boot/bootutil/src/encrypted.c b/boot/bootutil/src/encrypted.c
index 152271f..02f8eef 100644
--- a/boot/bootutil/src/encrypted.c
+++ b/boot/bootutil/src/encrypted.c
@@ -506,6 +506,7 @@
     bootutil_aes_ctr_context aes_ctr;
     uint8_t salt[BOOTUTIL_CRYPTO_SHA256_DIGEST_SIZE];
     uint8_t tag[BOOTUTIL_CRYPTO_SHA256_DIGEST_SIZE];
+    uint8_t info[BOOTUTIL_CRYPTO_AES_CTR_BLOCK_SIZE] = "MCUBoot_ECIES_v1";
     uint8_t shared[SHARED_KEY_LEN];
     uint8_t derived_key[BOOTUTIL_CRYPTO_AES_CTR_KEY_SIZE + BOOTUTIL_CRYPTO_SHA256_DIGEST_SIZE + BOOTUTIL_CRYPTO_AES_CTR_BLOCK_SIZE * 2];
     uint8_t *cp;
@@ -640,7 +641,7 @@
     }
 
     out_len = len;
-    rc = hkdf(shared, SHARED_KEY_LEN, (const uint8_t *)"MCUBoot_ECIES_v1", BOOTUTIL_CRYPTO_AES_CTR_BLOCK_SIZE,
+    rc = hkdf(shared, SHARED_KEY_LEN, info, BOOTUTIL_CRYPTO_AES_CTR_BLOCK_SIZE,
               my_salt, BOOTUTIL_CRYPTO_SHA256_DIGEST_SIZE, derived_key, &out_len);
 
     if (rc != 0 || len != out_len) {