AA/kbs_protocol: rename feature name aa_token to aa_ttrpc

This feature enables dependencies to leverage ttrpc capabilities to
connect to AA via ttrpc, thus `aa_ttrpc` is a better name for future
extension.

Signed-off-by: Xynnn007 <xynnn@linux.alibaba.com>

attestation-agent/kbs_protocol/Cargo.toml

@@ -46,8 +46,8 @@ required-features = ["bin"]
 default = ["background_check", "passport", "rust-crypto", "all-attesters"]
 
 passport = []
-# use a client of attestation-agent to get token for kbs
-aa_token = ["ttrpc-codegen", "passport", "ttrpc/async", "protobuf"]
+# Allow to connect Attestation-Agent with TTRPC to get evidence, token, etc.
+aa_ttrpc = ["ttrpc-codegen", "passport", "ttrpc/async", "protobuf"]
 
 background_check = ["tokio/time"]
 all-attesters = ["attester/all-attesters"]

attestation-agent/kbs_protocol/build.rs

@@ -4,7 +4,7 @@
 //
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
-    #[cfg(feature = "aa_token")]
+    #[cfg(feature = "aa_ttrpc")]
     {
         use std::fs::File;
         use std::io::{Read, Write};

attestation-agent/kbs_protocol/src/token_provider/mod.rs

@@ -6,9 +6,9 @@
 pub mod test;
 pub use test::*;
 
-#[cfg(feature = "aa_token")]
+#[cfg(feature = "aa_ttrpc")]
 pub mod aa;
-#[cfg(feature = "aa_token")]
+#[cfg(feature = "aa_ttrpc")]
 pub use aa::*;
 
 use anyhow::*;

confidential-data-hub/hub/Cargo.toml

@@ -51,7 +51,7 @@ image-rs = { path = "../../image-rs", default-features = false, features = [
 ] }
 kbs_protocol = { path = "../../attestation-agent/kbs_protocol", default-features = false, features = [
     "passport",
-    "aa_token",
+    "aa_ttrpc",
     "openssl",
 ], optional = true }
 log.workspace = true