From e2b0b117325b7ccded628cc9440e8a524d62976b Mon Sep 17 00:00:00 2001 From: David Garske Date: Mon, 31 Aug 2020 11:27:46 -0700 Subject: [PATCH] Fix for AES CBC with NXP MMCAU locking. --- wolfcrypt/src/aes.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/wolfcrypt/src/aes.c b/wolfcrypt/src/aes.c index 3e1a4407a..e81852a80 100644 --- a/wolfcrypt/src/aes.c +++ b/wolfcrypt/src/aes.c @@ -3393,11 +3393,7 @@ int wc_AesSetIV(Aes* aes, const byte* iv) for (i = 0; i < AES_BLOCK_SIZE; i++) temp_block[i] ^= iv[i]; - i = wolfSSL_CryptHwMutexLock(); - if (i != 0) - return i; wc_AesEncrypt(aes, temp_block, out + offset); - wolfSSL_CryptHwMutexUnLock(); offset += AES_BLOCK_SIZE; @@ -3421,11 +3417,7 @@ int wc_AesSetIV(Aes* aes, const byte* iv) while (blocks--) { XMEMCPY(temp_block, in + offset, AES_BLOCK_SIZE); - i = wolfSSL_CryptHwMutexLock(); - if (i != 0) - return i; wc_AesDecrypt(aes, in + offset, out + offset); - wolfSSL_CryptHwMutexUnLock(); /* XOR block with IV for CBC */ for (i = 0; i < AES_BLOCK_SIZE; i++)