puf_file - 2020.2 English

Bootgen User Guide (UG1283)

Document ID

UG1283

Release Date

2020-12-15

Version

2020.2 English

Syntax

For Zynq devices and Zynq UltraScale+ MPSoC:
```
[puf_file] <puf data file>
```
For Versal ACAP:
```
puf_file = <puf data file>
```

Description

PUF helper data file.

PUF is used with black key as encryption key source.
PUF helper data is of 1544 bytes.
1536 bytes of PUF HD + 4 bytes of CHASH + 3 bytes of AUX + 1 byte alignment.

See Black/PUF Keys for more information.

Example

For Zynq devices and Zynq UltraScale+ MPSoC:

all:                                                        
{                                                           
   [fsbl_config] pufhd_bh                                   
   [puf_file] pufhelperdata.txt                             
   [bh_keyfile] black_key.txt                               
   [bh_key_iv] bhkeyiv.txt                                  
   [bootloader,destination_cpu=a53-0,encryption=aes]fsbl.elf
}

For Versal™ ACAP:

all:                                                        
{                                                           
   boot_config {puf4kmode}                                  
   puf_file = pufhd_file_4K.txt                             
   bh_kek_iv = bh_black_key-iv.txt
   image                                                    
   {                                                        
      name = pmc_subsys, id = 0x1c000001                    
      {                                                     
         type = bootloader, encryption = aes,               
         keysrc = bh_black_key, aeskeyfile = key1.nky,     
         file = plm.elf                                     
      }                                                     
      {                                                     
         type = pmcdata, load = 0xf2000000,                 
         aeskeyfile = key2.nky, file = pmc_cdo.bin          
      }                                                     
      {                                                     
         type=cdo, encryption = aes,                        
         keysrc = efuse_red_key, aeskeyfile = key3.nky,     
         file=fpd_data.cdo                                  
      }                                                     
   }                                                        
}