Added extra memory buffer for wolfCrypt 5.7.0 RSA

In TFM mode, there is an extra buffer used for "ASN" checks on RSA
wolfSSL · Apr 10, 2024 · 68a974c · 68a974c
1 parent c64cb4e
commit 68a974c
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/xmalloc.c b/src/xmalloc.c
@@ -325,6 +325,8 @@ static uint32_t sha_block[HASH_BLOCK_SIZE];
     #define MP_SCHEME "TFM RSA"
     #define MP_INT_TYPE_SIZE (sizeof(mp_int))
     #define MP_MONT_REDUCE_BUF_SIZE (sizeof(fp_digit)*(FP_SIZE + 1))
+    #define ASNCHECK_BUF_SIZE (224)
+    static uint8_t asncheck_buf[ASNCHECK_BUF_SIZE];
     static uint8_t mp_int_buffer0[MP_INT_TYPE_SIZE];
     static uint8_t mp_int_buffer1[MP_INT_TYPE_SIZE * 3];
     static uint8_t mp_int_buffer2[MP_INT_TYPE_SIZE];
@@ -335,6 +337,7 @@ static uint32_t sha_block[HASH_BLOCK_SIZE];
     #if defined(WOLFBOOT_HASH_SHA256) || defined(WOLFBOOT_HASH_SHA384)
         { (uint8_t *)sha_block, HASH_BLOCK_SIZE * sizeof(uint32_t), 0 },
     #endif
+        { asncheck_buf, ASNCHECK_BUF_SIZE, 0 },
         { mp_int_buffer0, MP_INT_TYPE_SIZE, 0},
         { mp_int_buffer1, MP_INT_TYPE_SIZE * 3, 0},
         { mp_int_buffer2, MP_INT_TYPE_SIZE, 0},