linux-sgx-trts-modified/external/epid/example/data/README.md

Sample Issuer Material

This folder contains sample issuer material for use with the Intel(R) EPID SDK. All data files are in binary format.

Directory Structure

data
|__ groupa
|   |__ member0
|   |   |__ mprivkey.dat
|   |
|   |__ member1
|   |   |__ mprivkey.dat
|   |
|   |__ privrevokedmember0
|   |   |__ mprivkey.dat
|   |
|   |__ privrevokedmember1
|   |   |__ mprivkey.dat
|   |
|   |__ privrevokedmember2
|   |   |__ mprivkey.dat
|   |
|   |__ sigrevokedmember0
|   |   |__ mprivkey.dat
|   |
|   |__ sigrevokedmember1
|   |   |__ mprivkey.dat
|   |
|   |__ sigrevokedmember2
|   |   |__ mprivkey.dat
|   |
|   |__ privrl.bin
|   |__ pubkey.bin
|   |__ sigrl.bin
|
|__ groupb
|   |__ member0
|   |   |__ mprivkey.dat
|   |
|   |__ member1
|   |   |__ mprivkey.dat
|   |
|   |__ privrevokedmember0
|   |   |__ mprivkey.dat
|   |
|   |__ sigrevokedmember0
|   |   |__ mprivkey.dat
|   |
|   |__ privrl.bin
|   |__ pubkey.bin
|   |__ sigrl.bin
|
|__ grprl.bin
|__ grprl_empty.bin
|__ mprivkey.dat
|__ pubkey.bin
|__ cacert.bin

Description

There are 2 groups

• groupa

• groupb

Note: No compressed key sample material is included in the package.

Group A

groupa contains 8 members. Each member has a member private key mprivkey.dat. Here are the members:

• member0 - a member in good standing

• member1 - a member in good standing

• privrevokedmember0 - a member revoked using its private key

• privrevokedmember1 - a member revoked using its private key

• privrevokedmember2 - a member revoked using its private key

• sigrevokedmember0 - a member revoked using a signature

• sigrevokedmember1 - a member revoked using a signature

• sigrevokedmember2 - a member revoked using a signature

In addition, groupa contain the following revocation lists:

• pubkey.bin - group public key

• privrl.bin - private key based revocation list with 3 entries - privrevokedmember0, privrevokedmember1 and privrevokedmember2

• sigrl.bin - signature based revocation list with 3 entries - sigrevokedmember0, sigrevokedmember2 and sigrevokedmember2

Group B

groupb contains 3 members. Each member has a member private key mprivkey.dat. Here are the members:

• member0 - a member in good standing

• privrevokedmember0 - a member whose private key is revoked

• sigrevokedmember0 - a member whose signature is revoked

In addition, groupb contain the following revocation lists:

• pubkey.bin - group public key

• privrl.bin - private key based revocation list with 1 entry - privrevokedmember0

• sigrl.bin - signature based revocation list with 1 entries - sigrevokedmember0

Default files

• /data/cacert.bin - CA certificate used as default input to signmsg and verifysig

• /data/grprl.bin - group revocation list with one entry groupb used as default input to verifysig

• /data/pubkey.bin - public key of a group A used as default input to signmsg and verifysig

• /data/mprivkey.dat - private key of a member0 in the group A above used as default input to signmsg

Group revocation lists

There are 2 group revocation lists:

• grprl.bin - group revocation list with 1 entry - groupb

• grprl_empty.bin - group revocation list with 0 entry

IoT EPID Issuing CA certificate

• /data/cacert.bin - CA certificate used to check that revocation lists and group public keys are authorized by the issuer, e.g., signed by the issuer