1. This is a calcuating ca authentication caller information hash tool.

2. The TA developers can use this tool to calculate ca caller hash values
when calling "AddCaller_CA" interface to add caller authentication information for CA.

3. usage:
step 1: configure ca_caller_info.xml file;
step 2: execute this command: python3 calc_ca_caller_hash.py.

4. Reference hash value:
("/vendor/bin/teec_hello", 0):
0xca 0x9f 0x5e 0xd7 0x6d 0x7 0xd 0x66 0xe7 0xb2 0xab 0xb3 0x55 0xfc 0xb0 0xbf
0xc8 0x16 0x52 0x37 0x5f 0xfe 0x99 0xfc 0x34 0x43 0xf6 0x5f 0xc 0x70 0x44 0x48

("/vendor/bin/teec_hello", "root"):
0x29 0x89 0x3c 0x7f 0x92 0xfd 0xce 0x8e 0xd9 0x66 0xfc 0xa0 0x10 0xa0 0xe2 0xa3
0x42 0x31 0x7d 0x65 0x36 0x48 0x38 0x86 0xf1 0x8 0x1b 0x8 0x12 0xc2 0x4c 0x9b

("com.example.myapplicationohdemo",
 "6f85f3ad5fa01dfcddd4b2f23815f47fc03a68fbe99297be20bd0e114b7e8c54",
 "650769812a97c80a3751f015e7b6069492c0fe8de375abe8cdf9188c9c0d3851"):
0x5c 0x86 0x46 0xb2 0x11 0xb 0x92 0xa0 0x5a 0x12 0x90 0x8c 0x6a 0x98 0xbe 0xf2
0x10 0x6e 0x65 0x20 0x7b 0xa1 0xc5 0x3e 0x55 0x34 0xac 0x36 0x5a 0xe2 0xf5 0xe9
