is AES key is only red key or gray key. To program black key to eFuse, please use xnvm_puf_registration</p>
<p>#define XNVM_EFUSE_USER_KEY_0 "0000000000000000000000000000000000000000000000000000000000000000" The value mentioned in this will be converted to hex buffer and written into the Versal eFuse array when write API used. This value should be given in string format. It should be 64 characters long, valid characters are 0-9,a-f,A-F. Any other character is considered as invalid string and will not burn a