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sw_services:xilsecure: Fix to avoid clearing of AES key

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Clearing the CSU_AES_KEY_CLEAR register to avoid clearing of AES key.

Signed-off-by: Sarat Chand Savitala <saratcha@xilinx.com>
This commit is contained in:
Sarat Chand Savitala 2015-06-15 23:42:42 +05:30 • committed by Nava kishore Manne
parent 7fab5b8308
commit a01d2a94ac
1 changed files with 4 additions and 0 deletions
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4
lib/sw_services/xilsecure/src/xsecure_aes.c
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@ -575,6 +575,10 @@ u32 XSecure_AesDecrypt(XSecure_Aes *InstancePtr, u8 *Dst, const u8 *Src,
/* Clear AES contents by reseting it. */
XSecure_AesReset(InstancePtr);
/* Clear AES_KEY_CLEAR bits to avoid clearing of key */
XSecure_WriteReg(InstancePtr->BaseAddress,
XSECURE_CSU_AES_KEY_CLR_OFFSET, (u32)0x0U);
if(InstancePtr->KeySel == XSECURE_CSU_AES_KEY_SRC_DEV)
{
XSecure_AesKeySelNLoad(InstancePtr);