From bf6e99c3ff3ba85241f635e480a56eebf50fcea9 Mon Sep 17 00:00:00 2001
From: Dave Chen <dave.chen@arm.com>
Date: Mon, 10 Apr 2023 15:34:26 +0800
Subject: [PATCH] New tee type: CCA (Confidential Compute Architecture)

CCA verifier is actually done by forwarding the evidence to Verasion[1].

[1] https://github.com/veraison/services

Signed-off-by: Dave Chen <dave.chen@arm.com>
---
 Cargo.lock                                  | 879 +++++++++++++++-----
 attestation-service/Cargo.toml              |   5 +-
 attestation-service/src/verifier/cca/mod.rs | 251 ++++++
 attestation-service/src/verifier/mod.rs     |  14 +-
 test_data/cca-claims.json                   |  31 +
 5 files changed, 969 insertions(+), 211 deletions(-)
 create mode 100644 attestation-service/src/verifier/cca/mod.rs
 create mode 100644 test_data/cca-claims.json

diff --git a/Cargo.lock b/Cargo.lock
index ddcdf87..c30f669 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,11 +2,26 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "addr2line"
+version = "0.20.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f4fa78e18c64fce05e902adecd7a5eed15a5e0a3439f7b0e169f0252214865e3"
+dependencies = [
+ "gimli",
+]
+
+[[package]]
+name = "adler"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
+
 [[package]]
 name = "aes"
-version = "0.8.2"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "433cfd6710c9986c576a25ca913c39d66a6474107b406f34f91d4a8923395241"
+checksum = "ac1f845298e95f983ff1944b728ae08b8cebab80d684f0a832ed0fc74dfa27e2"
 dependencies = [
  "cfg-if",
  "cipher",
@@ -15,9 +30,9 @@ dependencies = [
 
 [[package]]
 name = "aho-corasick"
-version = "1.0.2"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43f6cb1bf222025340178f382c426f13757b2960e89779dfcb319c32542a5a41"
+checksum = "86b8f9420f797f2d9e935edf629310eb938a0d839f984e25327f3c7eed22300c"
 dependencies = [
  "memchr",
 ]
@@ -54,15 +69,15 @@ dependencies = [
 
 [[package]]
 name = "anstyle"
-version = "1.0.0"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41ed9a86bf92ae6580e0a31281f65a1b1d867c0cc68d5346e2ae128dddfa6a7d"
+checksum = "3a30da5c5f2d5e72842e00bcb57657162cdabef0931f40e2deb9b4140440cecd"
 
 [[package]]
 name = "anstyle-parse"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e765fd216e48e067936442276d1d57399e37bce53c264d6fefbe298080cb57ee"
+checksum = "938874ff5980b03a87c5524b3ae5b59cf99b1d6bc836848df7bc5ada9643c333"
 dependencies = [
  "utf8parse",
 ]
@@ -78,9 +93,9 @@ dependencies = [
 
 [[package]]
 name = "anstyle-wincon"
-version = "1.0.1"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "180abfa45703aebe0093f79badacc01b8fd4ea2e35118747e5811127f926e188"
+checksum = "c677ab05e09154296dd37acecd46420c17b9713e8366facafa8fc0885167cf4c"
 dependencies = [
  "anstyle",
  "windows-sys",
@@ -88,9 +103,9 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.71"
+version = "1.0.72"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c7d0618f0e0b7e8ff11427422b64564d5fb0be1940354bfe2e0529b18a9d9b8"
+checksum = "3b13c32d80ecc7ab747b80c3784bce54ee8a7a0cc4fbda9bf4cda2cf6fe90854"
 
 [[package]]
 name = "as-types"
@@ -114,7 +129,7 @@ dependencies = [
  "num-traits",
  "rusticata-macros",
  "thiserror",
- "time 0.3.22",
+ "time 0.3.25",
 ]
 
 [[package]]
@@ -169,18 +184,18 @@ checksum = "16e62a023e7c117e27523144c5d2459f4397fcc3cab0085af8e2224f643a0193"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.28",
 ]
 
 [[package]]
 name = "async-trait"
-version = "0.1.68"
+version = "0.1.72"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9ccdd8f2a161be9bd5c023df56f1b2a0bd1d83872ae53b71a84a12c9bf6e842"
+checksum = "cc6dde6e4ed435a4c1ee4e73592f5ba9da2151af10076cc04858746af9352d09"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -196,6 +211,7 @@ dependencies = [
  "base64 0.21.2",
  "bincode",
  "byteorder",
+ "cbor-diag",
  "cfg-if",
  "chrono",
  "eventlog-rs",
@@ -226,6 +242,7 @@ dependencies = [
  "tonic",
  "tonic-build",
  "uuid",
+ "veraison-apiclient",
  "walkdir",
  "x509-parser",
 ]
@@ -249,13 +266,13 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "axum"
-version = "0.6.18"
+version = "0.6.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8175979259124331c1d7bf6586ee7e0da434155e4b2d48ec2c8386281d8df39"
+checksum = "3b829e4e32b91e643de6eafe82b1d90675f5874230191a4ffbc1b336dec4d6bf"
 dependencies = [
  "async-trait",
  "axum-core",
- "bitflags",
+ "bitflags 1.3.2",
  "bytes",
  "futures-util",
  "http",
@@ -298,7 +315,7 @@ version = "0.2.3"
 source = "git+https://github.com/kinvolk/azure-cvm-tooling?rev=2c2e411#2c2e411dfb6f64fb4ffa4443213c5777de7af30d"
 dependencies = [
  "bincode",
- "clap 4.3.4",
+ "clap 4.3.21",
  "jsonwebkey",
  "memoffset 0.8.0",
  "openssl",
@@ -313,6 +330,21 @@ dependencies = [
  "ureq",
 ]
 
+[[package]]
+name = "backtrace"
+version = "0.3.68"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4319208da049c43661739c5fade2ba182f09d1dc2299b32298d3a31692b17e12"
+dependencies = [
+ "addr2line",
+ "cc",
+ "cfg-if",
+ "libc",
+ "miniz_oxide",
+ "object",
+ "rustc-demangle",
+]
+
 [[package]]
 name = "base64"
 version = "0.13.1"
@@ -346,7 +378,7 @@ version = "0.60.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "062dddbc1ba4aca46de6338e2bf87771414c335f7b2f2036e8f3e9befebf88e6"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "cexpr",
  "clang-sys",
  "clap 3.2.25",
@@ -375,6 +407,12 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "bitflags"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4682ae6287fcf752ecaabbfcc7b6f9b72aa33933dc23a554d853aea8eea8635"
+
 [[package]]
 name = "block-buffer"
 version = "0.10.4"
@@ -393,6 +431,15 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "bs58"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f5353f36341f7451062466f0b755b96ac3a9547e4d7f6b70d603fc721a7d7896"
+dependencies = [
+ "tinyvec",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.13.0"
@@ -420,13 +467,33 @@ dependencies = [
  "cipher",
 ]
 
+[[package]]
+name = "cbor-diag"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc245b6ecd09b23901a4fbad1ad975701fd5061ceaef6afa93a2d70605a64429"
+dependencies = [
+ "bs58",
+ "chrono",
+ "data-encoding",
+ "half",
+ "nom",
+ "num-bigint",
+ "num-rational",
+ "num-traits",
+ "separator",
+ "url",
+ "uuid",
+]
+
 [[package]]
 name = "cc"
-version = "1.0.79"
+version = "1.0.82"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f"
+checksum = "305fe645edc1442a0fa8b6726ba61d422798d37a52e12eaecf4b022ebbb88f01"
 dependencies = [
  "jobserver",
+ "libc",
 ]
 
 [[package]]
@@ -488,7 +555,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4ea181bf566f71cb9a5d17a59e1871af638180a18fb0035c92ae62b705207123"
 dependencies = [
  "atty",
- "bitflags",
+ "bitflags 1.3.2",
  "clap_derive 3.2.25",
  "clap_lex 0.2.4",
  "indexmap",
@@ -500,24 +567,23 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.3.4"
+version = "4.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "80672091db20273a15cf9fdd4e47ed43b5091ec9841bf4c6145c9dfbbcae09ed"
+checksum = "c27cdf28c0f604ba3f512b0c9a409f8de8513e4816705deb0498b627e7c3a3fd"
 dependencies = [
  "clap_builder",
- "clap_derive 4.3.2",
+ "clap_derive 4.3.12",
  "once_cell",
 ]
 
 [[package]]
 name = "clap_builder"
-version = "4.3.4"
+version = "4.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1458a1df40e1e2afebb7ab60ce55c1fa8f431146205aa5f4887e0b111c27636"
+checksum = "08a9f1ab5e9f01a9b81f202e8562eb9a10de70abf9eaeac1be465c28b75aa4aa"
 dependencies = [
  "anstream",
  "anstyle",
- "bitflags",
  "clap_lex 0.5.0",
  "strsim",
 ]
@@ -537,14 +603,14 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "4.3.2"
+version = "4.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8cd2b2a819ad6eec39e8f1d6b53001af1e5469f8c177579cdaeb313115b825f"
+checksum = "54a9bb5758fc5dfe728d1019941681eccaf0cf8a4189b692a0ee2f2ecf90a050"
 dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -576,9 +642,9 @@ checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
 
 [[package]]
 name = "const-oid"
-version = "0.9.2"
+version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "520fbf3c07483f94e3e3ca9d0cfd913d7718ef2483d2cfd91c0d9e91474ab913"
+checksum = "28c122c3980598d243d63d9a704629a2d748d101f278052ff068be5a4423ab6f"
 
 [[package]]
 name = "const_fn"
@@ -606,6 +672,16 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "core-foundation"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "194a7a9e6de53fa55116934067c844d9d749312f75c6f6d0980e8c252f8c2146"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.4"
@@ -614,9 +690,9 @@ checksum = "e496a50fda8aacccc86d7529e2c1e0892dbd0f898a6b5645b5561b89c3210efa"
 
 [[package]]
 name = "cpufeatures"
-version = "0.2.7"
+version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3e4c1eaa2012c47becbbad2ab175484c2a84d1185b566fb2cc5b8707343dfe58"
+checksum = "a17b76ff3a4162b0b27f354a0c87015ddad39d35f9c0c36607a3bdd175dde1f1"
 dependencies = [
  "libc",
 ]
@@ -652,6 +728,12 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "crunchy"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
+
 [[package]]
 name = "crypto-common"
 version = "0.1.6"
@@ -662,14 +744,49 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "darling"
+version = "0.13.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a01d95850c592940db9b8194bc39f4bc0e89dee5c4265e4b1807c34a9aba453c"
+dependencies = [
+ "darling_core",
+ "darling_macro",
+]
+
+[[package]]
+name = "darling_core"
+version = "0.13.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "859d65a907b6852c9361e3185c862aae7fafd2887876799fa55f5f99dc40d610"
+dependencies = [
+ "fnv",
+ "ident_case",
+ "proc-macro2",
+ "quote",
+ "strsim",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "darling_macro"
+version = "0.13.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c972679f83bdf9c42bd905396b6c3588a843a17f0f16dfcfa3e2c5d57441835"
+dependencies = [
+ "darling_core",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "dashmap"
-version = "5.4.0"
+version = "5.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "907076dfda823b0b36d2a1bb5f90c96660a5bbcd7729e10727f07858f22c4edc"
+checksum = "6943ae99c34386c84a470c499d3414f66502a41340aa895406e0d2e4a207b91d"
 dependencies = [
  "cfg-if",
- "hashbrown",
+ "hashbrown 0.14.0",
  "lock_api",
  "once_cell",
  "parking_lot_core 0.9.8",
@@ -706,6 +823,12 @@ dependencies = [
  "rusticata-macros",
 ]
 
+[[package]]
+name = "deranged"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7684a49fb1af197853ef7b2ee694bc1f5b4179556f1e5710e1760c5db6f5e929"
+
 [[package]]
 name = "digest"
 version = "0.10.7"
@@ -747,14 +870,23 @@ checksum = "487585f4d0c6655fe74905e2504d8ad6908e4db67f744eb140876906c2f3175d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.28",
 ]
 
 [[package]]
 name = "either"
-version = "1.8.1"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
+
+[[package]]
+name = "encoding_rs"
+version = "0.8.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fcaabb2fef8c910e7f4c7ce9f67a1283a1715879a7c230ca9d6d1ae31f16d91"
+checksum = "071a31f4ee85403370b58aca746f01041ede6f0da2730960ad001edc2b71b394"
+dependencies = [
+ "cfg-if",
+]
 
 [[package]]
 name = "enumflags2"
@@ -773,7 +905,7 @@ checksum = "5e9a1f9f7d83e59740248a6e14ecf93929ade55027844dfcea78beafccc15745"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -804,9 +936,9 @@ dependencies = [
 
 [[package]]
 name = "errno"
-version = "0.3.1"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4bcfec3a70f97c962c307b2d2c56e358cf1d00b558d74262b5f929ee8cc7e73a"
+checksum = "6b30f669a7961ef1631673d2766cc92f52d64f7ef354d4fe0ddfd30ed52f0f4f"
 dependencies = [
  "errno-dragonfly",
  "libc",
@@ -840,12 +972,9 @@ dependencies = [
 
 [[package]]
 name = "fastrand"
-version = "1.9.0"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e51093e27b0797c359783294ca4f0a911c270184cb10f85783b118614a1501be"
-dependencies = [
- "instant",
-]
+checksum = "6999dc1837253364c2ebb0704ba97994bd874e8f195d665c50b7548f6ea92764"
 
 [[package]]
 name = "fixedbitset"
@@ -949,7 +1078,7 @@ checksum = "89ca545a94061b6365f2c7355b4b32bd20df3ff95f02da9329b34ccc3bd6ee72"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -1018,13 +1147,19 @@ dependencies = [
  "wasi 0.11.0+wasi-snapshot-preview1",
 ]
 
+[[package]]
+name = "gimli"
+version = "0.27.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6c80984affa11d98d1b88b66ac8853f143217b399d3c74116778ff8fdb4ed2e"
+
 [[package]]
 name = "git2"
 version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2994bee4a3a6a51eb90c218523be382fd7ea09b16380b9312e9dbe955ff7c7d1"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "libc",
  "libgit2-sys",
  "log",
@@ -1058,9 +1193,9 @@ dependencies = [
 
 [[package]]
 name = "h2"
-version = "0.3.19"
+version = "0.3.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d357c7ae988e7d2182f7d7871d0b963962420b0678b0997ce7de72001aeab782"
+checksum = "97ec8491ebaf99c8eaa73058b045fe58073cd6be7f596ac993ced0b0a0c01049"
 dependencies = [
  "bytes",
  "fnv",
@@ -1075,12 +1210,28 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "half"
+version = "2.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc52e53916c08643f1b56ec082790d1e86a32e58dc5268f897f313fbae7b4872"
+dependencies = [
+ "cfg-if",
+ "crunchy",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c6201b9ff9fd90a5a3bac2e56a830d0caa509576f0e503818ee82c181b3437a"
+
 [[package]]
 name = "heck"
 version = "0.4.1"
@@ -1098,18 +1249,9 @@ dependencies = [
 
 [[package]]
 name = "hermit-abi"
-version = "0.2.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee512640fe35acbfb4bb779db6f0d80704c2cacfa2e39b601ef3e3f47d1ae4c7"
-dependencies = [
- "libc",
-]
-
-[[package]]
-name = "hermit-abi"
-version = "0.3.1"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fed44880c466736ef9a5c5b5facefb5ed0785676d0c02d612db14e54f0d84286"
+checksum = "443144c8cdadd93ebf52ddb4056d257f5b52c04d3c804e657d19eb73fc33668b"
 
 [[package]]
 name = "hex"
@@ -1174,9 +1316,9 @@ checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
 
 [[package]]
 name = "hyper"
-version = "0.14.26"
+version = "0.14.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab302d72a6f11a3b910431ff93aae7e773078c769f0a3ef15fb9ec692ed147d4"
+checksum = "ffb1cfd654a8219eaef89881fdb3bb3b1cdc5fa75ded05d6933b2b382e395468"
 dependencies = [
  "bytes",
  "futures-channel",
@@ -1189,13 +1331,27 @@ dependencies = [
  "httpdate",
  "itoa",
  "pin-project-lite",
- "socket2",
+ "socket2 0.4.9",
  "tokio",
  "tower-service",
  "tracing",
  "want",
 ]
 
+[[package]]
+name = "hyper-rustls"
+version = "0.24.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8d78e1e73ec14cf7375674f74d7dde185c8206fd9dea6fb6295e8a98098aaa97"
+dependencies = [
+ "futures-util",
+ "http",
+ "hyper",
+ "rustls",
+ "tokio",
+ "tokio-rustls",
+]
+
 [[package]]
 name = "hyper-timeout"
 version = "0.4.1"
@@ -1208,6 +1364,19 @@ dependencies = [
  "tokio-io-timeout",
 ]
 
+[[package]]
+name = "hyper-tls"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6183ddfa99b85da61a140bea0efc93fdf56ceaa041b37d553518030827f9905"
+dependencies = [
+ "bytes",
+ "hyper",
+ "native-tls",
+ "tokio",
+ "tokio-native-tls",
+]
+
 [[package]]
 name = "iana-time-zone"
 version = "0.1.57"
@@ -1231,6 +1400,12 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "ident_case"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
+
 [[package]]
 name = "idna"
 version = "0.4.0"
@@ -1248,7 +1423,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
 ]
 
 [[package]]
@@ -1270,31 +1445,25 @@ dependencies = [
  "cfg-if",
 ]
 
-[[package]]
-name = "io-lifetimes"
-version = "1.0.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eae7b9aee968036d54dce06cebaefd919e4472e753296daccd6d344e3e2df0c2"
-dependencies = [
- "hermit-abi 0.3.1",
- "libc",
- "windows-sys",
-]
-
 [[package]]
 name = "iocuddle"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d8972d5be69940353d5347a1344cb375d9b457d6809b428b05bb1ca2fb9ce007"
 
+[[package]]
+name = "ipnet"
+version = "2.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28b29a3cd74f0f4598934efe3aeba42bae0eb4680554128851ebbecb02af14e6"
+
 [[package]]
 name = "is-terminal"
-version = "0.4.7"
+version = "0.4.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "adcf93614601c8129ddf72e2d5633df827ba6551541c6d8c59520a371475be1f"
+checksum = "cb0889898416213fab133e1d33a0e5858a48177452750691bde3666d0fdbaf8b"
 dependencies = [
- "hermit-abi 0.3.1",
- "io-lifetimes",
+ "hermit-abi 0.3.2",
  "rustix",
  "windows-sys",
 ]
@@ -1316,9 +1485,9 @@ dependencies = [
 
 [[package]]
 name = "itoa"
-version = "1.0.6"
+version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "453ad9f582a441959e5f0d088b02ce04cfe8d51a8eaf077f12ac6d3e94164ca6"
+checksum = "af150ab688ff2122fcef229be89cb50dd66af9e01a4ff320cc137eecc9bacc38"
 
 [[package]]
 name = "jobserver"
@@ -1345,7 +1514,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c57c852b14147e2bd58c14fde40398864453403ef632b1101db130282ee6e2cc"
 dependencies = [
  "base64 0.13.1",
- "bitflags",
+ "bitflags 1.3.2",
  "generic-array",
  "num-bigint",
  "serde",
@@ -1376,9 +1545,9 @@ dependencies = [
 
 [[package]]
 name = "kvm-ioctls"
-version = "0.14.0"
+version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "436246b230532c94ec619332e820e31518dac7943cf848b052e618467a7ede8a"
+checksum = "9bdde2b46ee7b6587ef79f751019c4726c4f2d3e4628df5d69f3f9c5cb6c6bd4"
 dependencies = [
  "kvm-bindings",
  "libc",
@@ -1402,9 +1571,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
 
 [[package]]
 name = "libc"
-version = "0.2.146"
+version = "0.2.147"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f92be4933c13fd498862a9e02a3055f8a8d9c039ce33db97306fd5a6caa7f29b"
+checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
 
 [[package]]
 name = "libgit2-sys"
@@ -1436,9 +1605,9 @@ checksum = "f7012b1bbb0719e1097c47611d3898568c546d597c2e74d66f6087edd5233ff4"
 
 [[package]]
 name = "libz-sys"
-version = "1.1.9"
+version = "1.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56ee889ecc9568871456d42f603d6a0ce59ff328d291063a45cbdf0036baf6db"
+checksum = "d97137b25e321a73eef1418d1d5d2eda4d77e12813f8e6dead84bc52c5870a7b"
 dependencies = [
  "cc",
  "libc",
@@ -1448,9 +1617,9 @@ dependencies = [
 
 [[package]]
 name = "linux-raw-sys"
-version = "0.3.8"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef53942eb7bf7ff43a617b3e2c1c4a5ecf5944a7c1bc12d7ee39bbb15e5c1519"
+checksum = "57bcfdad1b858c2db7c38303a6d2ad4dfaf5eb53dfeb0910128b2c26d6158503"
 
 [[package]]
 name = "lock_api"
@@ -1470,9 +1639,9 @@ checksum = "b06a4cde4c0f271a446782e3eff8de789548ce57dbc8eca9292c27f4a42004b4"
 
 [[package]]
 name = "matchit"
-version = "0.7.0"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b87248edafb776e59e6ee64a79086f65890d3510f2c656c000bf2a7e8a0aea40"
+checksum = "ed1202b2a6f884ae56f04cff409ab315c5ce26b5e58d7412e484f01fd52f52ef"
 
 [[package]]
 name = "mbox"
@@ -1521,6 +1690,15 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
 
+[[package]]
+name = "miniz_oxide"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
+dependencies = [
+ "adler",
+]
+
 [[package]]
 name = "mio"
 version = "0.8.8"
@@ -1538,6 +1716,24 @@ version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5ce46fe64a9d73be07dcbe690a38ce1b293be448fd8ce1e6c1b8062c9f72c6a"
 
+[[package]]
+name = "native-tls"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "07226173c32f2926027b63cce4bcd8076c3552846cbe7925f3aaffeac0a3b92e"
+dependencies = [
+ "lazy_static",
+ "libc",
+ "log",
+ "openssl",
+ "openssl-probe",
+ "openssl-sys",
+ "schannel",
+ "security-framework",
+ "security-framework-sys",
+ "tempfile",
+]
+
 [[package]]
 name = "nom"
 version = "7.1.3"
@@ -1561,9 +1757,9 @@ dependencies = [
 
 [[package]]
 name = "num-bigint-dig"
-version = "0.8.2"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2399c9463abc5f909349d8aa9ba080e0b88b3ce2885389b60b993f39b1a56905"
+checksum = "dc84195820f291c7697304f3cbdadd1cb7199c0efc917ff5eafd71225c136151"
 dependencies = [
  "byteorder",
  "lazy_static",
@@ -1608,11 +1804,23 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "num-rational"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0638a1c9d0a3c0914158145bc76cff373a75a627e6ecbfb71cbe6f453a5a19b0"
+dependencies = [
+ "autocfg",
+ "num-bigint",
+ "num-integer",
+ "num-traits",
+]
+
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "f30b0abd723be7e2ffca1272140fac1a2f084c77ec3e123c192b66af1ee9e6c2"
 dependencies = [
  "autocfg",
  "libm",
@@ -1620,11 +1828,11 @@ dependencies = [
 
 [[package]]
 name = "num_cpus"
-version = "1.15.0"
+version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0fac9e2da13b5eb447a6ce3d392f23a29d8694bff781bf03a16cd9ac8697593b"
+checksum = "4161fcb6d602d4d2081af7c3a45852d875a03dd337a6bfdd6e06407b61342a43"
 dependencies = [
- "hermit-abi 0.2.6",
+ "hermit-abi 0.3.2",
  "libc",
 ]
 
@@ -1637,6 +1845,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "object"
+version = "0.31.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8bda667d9f2b5051b8833f59f3bf748b28ef54f850f4fcb389a252aa383866d1"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "oid"
 version = "0.2.1"
@@ -1663,11 +1880,11 @@ checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
 
 [[package]]
 name = "openssl"
-version = "0.10.54"
+version = "0.10.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "69b3f656a17a6cbc115b5c7a40c616947d213ba182135b014d6051b73ab6f019"
+checksum = "729b745ad4a5575dd06a3e1af1414bd330ee561c01b3899eb584baeaa8def17e"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "cfg-if",
  "foreign-types",
  "libc",
@@ -1684,23 +1901,29 @@ checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.28",
 ]
 
+[[package]]
+name = "openssl-probe"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
+
 [[package]]
 name = "openssl-src"
-version = "111.26.0+1.1.1u"
+version = "111.27.0+1.1.1v"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "efc62c9f12b22b8f5208c23a7200a442b2e5999f8bdf80233852122b5a4f6f37"
+checksum = "06e8f197c82d7511c5b014030c9b1efeda40d7d5f99d23b4ceed3524a5e63f02"
 dependencies = [
  "cc",
 ]
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.88"
+version = "0.9.91"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2ce0f250f34a308dcfdbb351f511359857d4ed2134ba715a4eadd46e1ffd617"
+checksum = "866b5f16f90776b9bb8dc1e1802ac6f0513de3a7a7465867bfbc563dc737faac"
 dependencies = [
  "cc",
  "libc",
@@ -1807,9 +2030,9 @@ checksum = "9b2a4787296e9989611394c33f193f676704af1686e70b8f8033ab5ba9a35a94"
 
 [[package]]
 name = "pest"
-version = "2.6.0"
+version = "2.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e68e84bfb01f0507134eac1e9b410a12ba379d064eab48c50ba4ce329a527b70"
+checksum = "1acb4a4365a13f749a93f1a094a7805e5cfa0955373a9de860d962eaa3a5fe5a"
 dependencies = [
  "thiserror",
  "ucd-trie",
@@ -1862,29 +2085,29 @@ dependencies = [
 
 [[package]]
 name = "pin-project"
-version = "1.1.0"
+version = "1.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c95a7476719eab1e366eaf73d0260af3021184f18177925b07f54b30089ceead"
+checksum = "fda4ed1c6c173e3fc7a83629421152e01d7b1f9b7f65fb301e490e8cfc656422"
 dependencies = [
  "pin-project-internal",
 ]
 
 [[package]]
 name = "pin-project-internal"
-version = "1.1.0"
+version = "1.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "39407670928234ebc5e6e580247dd567ad73a3578460c5990f9503df207e8f07"
+checksum = "4359fd9c9171ec6e8c62926d6faaf553a8dc3f64e1507e76da7911b4f6a04405"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.28",
 ]
 
 [[package]]
 name = "pin-project-lite"
-version = "0.2.9"
+version = "0.2.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0a7ae3ac2f1173085d398531c705756c94a4c56843785df85a60c1a0afac116"
+checksum = "12cc1b0bf1727a77a54b6654e7b5f1af8604923edc8b81885f8ec92f9e3f0a05"
 
 [[package]]
 name = "pin-utils"
@@ -1980,9 +2203,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.60"
+version = "1.0.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dec2b086b7a862cf4de201096214fa870344cf922b2b30c167badb3af3195406"
+checksum = "18fb31db3f9bddb2ea821cde30a9f70117e3f119938b5ee630b7403aa6e2ead9"
 dependencies = [
  "unicode-ident",
 ]
@@ -2043,9 +2266,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.28"
+version = "1.0.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b9ab9c7eadfd8df19006f1cf1a4aed13540ed5cbc047010ece5826e10825488"
+checksum = "50f3b39ccfb720540debaa0164757101c08ecb8d326b15358ce76a62c7e85965"
 dependencies = [
  "proc-macro2",
 ]
@@ -2086,7 +2309,7 @@ version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb5a58c1855b4b6819d59012155603f0b22ad30cad752600aadfcb695265519a"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
 ]
 
 [[package]]
@@ -2095,7 +2318,7 @@ version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "567664f262709473930a4bf9e51bf2ebf3348f2e748ccc50dea20646858f8f29"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
 ]
 
 [[package]]
@@ -2111,9 +2334,21 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.8.4"
+version = "1.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81bc1d4caf89fac26a70747fe603c130093b53c773888797a6329091246d651a"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d0ab3ca65655bb1e41f2a8c8cd662eb4fb035e67c3f78da1d61dffe89d07300f"
+checksum = "fed1ceff11a1dddaee50c9dc8e4938bd106e9d89ae372f192311e7da498e3b69"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -2122,9 +2357,51 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.7.2"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5ea92a5b6195c6ef2a0295ea818b312502c6fc94dde986c5553242e18fd4ce2"
+
+[[package]]
+name = "reqwest"
+version = "0.11.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "436b050e76ed2903236f032a59761c1eb99e1b0aead2c257922771dab1fc8c78"
+checksum = "cde824a14b7c14f85caff81225f411faacc04a2013f41670f41443742b1c1c55"
+dependencies = [
+ "base64 0.21.2",
+ "bytes",
+ "encoding_rs",
+ "futures-core",
+ "futures-util",
+ "h2",
+ "http",
+ "http-body",
+ "hyper",
+ "hyper-rustls",
+ "hyper-tls",
+ "ipnet",
+ "js-sys",
+ "log",
+ "mime",
+ "native-tls",
+ "once_cell",
+ "percent-encoding",
+ "pin-project-lite",
+ "rustls",
+ "rustls-pemfile",
+ "serde",
+ "serde_json",
+ "serde_urlencoded",
+ "tokio",
+ "tokio-native-tls",
+ "tokio-rustls",
+ "tower-service",
+ "url",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+ "webpki-roots 0.22.6",
+ "winreg",
+]
 
 [[package]]
 name = "ring"
@@ -2188,6 +2465,12 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "rustc-demangle"
+version = "0.1.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
+
 [[package]]
 name = "rustc-hash"
 version = "1.1.0"
@@ -2209,7 +2492,7 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
 dependencies = [
- "semver 1.0.17",
+ "semver 1.0.18",
 ]
 
 [[package]]
@@ -2223,13 +2506,12 @@ dependencies = [
 
 [[package]]
 name = "rustix"
-version = "0.37.20"
+version = "0.38.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b96e891d04aa506a6d1f318d2771bcb1c7dfda84e126660ace067c9b474bb2c0"
+checksum = "19ed4fa021d81c8392ce04db050a3da9a60299050b7ae1cf482d862b54a7218f"
 dependencies = [
- "bitflags",
+ "bitflags 2.4.0",
  "errno",
- "io-lifetimes",
  "libc",
  "linux-raw-sys",
  "windows-sys",
@@ -2237,16 +2519,25 @@ dependencies = [
 
 [[package]]
 name = "rustls"
-version = "0.21.2"
+version = "0.21.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e32ca28af694bc1bbf399c33a516dbdf1c90090b8ab23c2bc24f834aa2247f5f"
+checksum = "1d1feddffcfcc0b33f5c6ce9a29e341e4cd59c3f78e7ee45f4a40c038b1d6cbb"
 dependencies = [
  "log",
  "ring",
- "rustls-webpki",
+ "rustls-webpki 0.101.3",
  "sct",
 ]
 
+[[package]]
+name = "rustls-pemfile"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2d3987094b1d07b653b7dfdc3f70ce9a1da9c51ac18c1b06b662e4f9a0e9f4b2"
+dependencies = [
+ "base64 0.21.2",
+]
+
 [[package]]
 name = "rustls-webpki"
 version = "0.100.1"
@@ -2257,11 +2548,21 @@ dependencies = [
  "untrusted",
 ]
 
+[[package]]
+name = "rustls-webpki"
+version = "0.101.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "261e9e0888cba427c3316e6322805653c9425240b6fd96cee7cb671ab70ab8d0"
+dependencies = [
+ "ring",
+ "untrusted",
+]
+
 [[package]]
 name = "rustversion"
-version = "1.0.12"
+version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f3208ce4d8448b3f3e7d168a73f5e0c43a61e32930de3bceeccedb388b6bf06"
+checksum = "7ffc183a10b4478d04cbbbfc96d0873219d962dd5accaff2ffbd4ceb7df837f4"
 
 [[package]]
 name = "rvps"
@@ -2297,9 +2598,9 @@ dependencies = [
 
 [[package]]
 name = "ryu"
-version = "1.0.13"
+version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f91339c0467de62360649f8d3e185ca8de4224ff281f66000de5eb2a77a79041"
+checksum = "1ad4cc8da4ef723ed60bced201181d83791ad433213d8c24efffda1eec85d741"
 
 [[package]]
 name = "salsa20"
@@ -2319,11 +2620,20 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "schannel"
+version = "0.1.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c3733bf4cf7ea0880754e19cb5a462007c4a8c1914bff372ccc95b464f1df88"
+dependencies = [
+ "windows-sys",
+]
+
 [[package]]
 name = "scopeguard"
-version = "1.1.0"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
+checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
 [[package]]
 name = "scroll"
@@ -2342,7 +2652,7 @@ checksum = "1db149f81d46d2deba7cd3c50772474707729550221e69588478ebf9ada425ae"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -2367,6 +2677,29 @@ dependencies = [
  "untrusted",
 ]
 
+[[package]]
+name = "security-framework"
+version = "2.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05b64fb303737d99b81884b2c63433e9ae28abebe5eb5045dcdd175dc2ecf4de"
+dependencies = [
+ "bitflags 1.3.2",
+ "core-foundation",
+ "core-foundation-sys",
+ "libc",
+ "security-framework-sys",
+]
+
+[[package]]
+name = "security-framework-sys"
+version = "2.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e932934257d3b408ed8f30db49d85ea163bfe74961f017f405b025af298f0c7a"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
 [[package]]
 name = "semver"
 version = "0.11.0"
@@ -2378,9 +2711,9 @@ dependencies = [
 
 [[package]]
 name = "semver"
-version = "1.0.17"
+version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
+checksum = "b0293b4b29daaf487284529cc2f5675b8e57c61f70167ba415a463651fd6a918"
 
 [[package]]
 name = "semver-parser"
@@ -2391,11 +2724,17 @@ dependencies = [
  "pest",
 ]
 
+[[package]]
+name = "separator"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f97841a747eef040fcd2e7b3b9a220a7205926e60488e673d9e4926d27772ce5"
+
 [[package]]
 name = "serde"
-version = "1.0.164"
+version = "1.0.183"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e8c8cf938e98f769bc164923b06dce91cea1751522f46f8466461af04c9027d"
+checksum = "32ac8da02677876d532745a130fc9d8e6edfa81a269b107c5b00829b91d8eb3c"
 dependencies = [
  "serde_derive",
 ]
@@ -2411,35 +2750,47 @@ dependencies = [
 
 [[package]]
 name = "serde_bytes"
-version = "0.11.9"
+version = "0.11.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "416bda436f9aab92e02c8e10d49a15ddd339cea90b6e340fe51ed97abb548294"
+checksum = "ab33ec92f677585af6d88c65593ae2375adde54efdbf16d597f2cbc7a6d368ff"
 dependencies = [
  "serde",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.164"
+version = "1.0.183"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9735b638ccc51c28bf6914d90a2e9725b377144fc612c49a611fddd1b631d68"
+checksum = "aafe972d60b0b9bee71a91b92fee2d4fb3c9d7e8f6b179aa99f27203d99a4816"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.28",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.93"
+version = "1.0.104"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cad406b69c91885b5107daf2c29572f6c8cdb3c66826821e286c533490c0bc76"
+checksum = "076066c5f1078eac5b722a31827a8832fe108bed65dfa75e233c89f8206e976c"
 dependencies = [
  "itoa",
  "ryu",
  "serde",
 ]
 
+[[package]]
+name = "serde_urlencoded"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3491c14715ca2294c4d6a88f15e84739788c1d030eed8c110436aafdaa2f3fd"
+dependencies = [
+ "form_urlencoded",
+ "itoa",
+ "ryu",
+ "serde",
+]
+
 [[package]]
 name = "serde_variant"
 version = "0.1.2"
@@ -2449,6 +2800,30 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_with"
+version = "1.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "678b5a069e50bf00ecd22d0cd8ddf7c236f68581b03db652061ed5eb13a312ff"
+dependencies = [
+ "base64 0.13.1",
+ "chrono",
+ "serde",
+ "serde_with_macros",
+]
+
+[[package]]
+name = "serde_with_macros"
+version = "1.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e182d6ec6f05393cc0e5ed1bf81ad6db3a8feedf8ee515ecdd369809bcce8082"
+dependencies = [
+ "darling",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "serial_test"
 version = "0.9.0"
@@ -2477,13 +2852,13 @@ dependencies = [
 
 [[package]]
 name = "sev"
-version = "1.2.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c77eff933413b557ad3af20f6ddb198471d639d611b4738bcb78d32d7941892"
+checksum = "7fd749a01c88a51ac718b59fe571177b31e478dfe059267977042477a0531224"
 dependencies = [
  "bincode",
  "bitfield",
- "bitflags",
+ "bitflags 1.3.2",
  "codicon",
  "dirs",
  "hex",
@@ -2515,9 +2890,9 @@ dependencies = [
 
 [[package]]
 name = "sha2"
-version = "0.10.6"
+version = "0.10.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "82e6b795fe2e3b1e845bafcb27aa35405c4d47cdfc92af5fc8d3002f76cebdc0"
+checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -2533,7 +2908,7 @@ dependencies = [
  "const_format",
  "git2",
  "is_debug",
- "time 0.3.22",
+ "time 0.3.25",
  "tzdb",
 ]
 
@@ -2580,9 +2955,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.10.0"
+version = "1.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
+checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
 
 [[package]]
 name = "socket2"
@@ -2594,6 +2969,16 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "socket2"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2538b18701741680e0322a2302176d3253a35388e2e62f172f64f4f16605f877"
+dependencies = [
+ "libc",
+ "windows-sys",
+]
+
 [[package]]
 name = "spin"
 version = "0.5.2"
@@ -2666,9 +3051,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.18"
+version = "2.0.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32d41677bcbe24c20c52e7c70b0d8db04134c5d1066bf98662e2871ad200ea3e"
+checksum = "04361975b3f5e348b2189d8dc55bc942f278b2d482a6a0365de5bdd62d351567"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2695,17 +3080,16 @@ dependencies = [
 
 [[package]]
 name = "target-lexicon"
-version = "0.12.7"
+version = "0.12.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd1ba337640d60c3e96bc6f0638a939b9c9a7f2c316a1598c279828b3d1dc8c5"
+checksum = "9d0e916b1148c8e263850e1ebcbd046f333e0683c724876bb0da63ea4373dc8a"
 
 [[package]]
 name = "tempfile"
-version = "3.6.0"
+version = "3.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31c0432476357e58790aaa47a8efb0c5138f137343f3b5f23bd36a27e3b0a6d6"
+checksum = "dc02fddf48964c42031a0b3fe0428320ecf3a73c401040fc0096f97794310651"
 dependencies = [
- "autocfg",
  "cfg-if",
  "fastrand",
  "redox_syscall 0.3.5",
@@ -2739,22 +3123,22 @@ checksum = "222a222a5bfe1bba4a77b45ec488a741b3cb8872e5e499451fd7d0129c9c7c3d"
 
 [[package]]
 name = "thiserror"
-version = "1.0.40"
+version = "1.0.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "978c9a314bd8dc99be594bc3c175faaa9794be04a5a5e153caba6915336cebac"
+checksum = "611040a08a0439f8248d1990b111c95baa9c704c805fa1f62104b39655fd7f90"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.40"
+version = "1.0.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
+checksum = "090198534930841fab3a5d1bb637cde49e339654e606195f8d9c76eeb081dc96"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -2770,10 +3154,11 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.3.22"
+version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea9e1b3cf1243ae005d9e74085d4d542f3125458f3a81af210d901dcd7411efd"
+checksum = "b0fdd63d58b18d663fbdf70e049f00a22c8e42be082203be7f26589213cd75ea"
 dependencies = [
+ "deranged",
  "itoa",
  "libc",
  "num_threads",
@@ -2790,9 +3175,9 @@ checksum = "7300fbefb4dadc1af235a9cef3737cea692a9d97e1b9cbcd4ebdae6f8868e6fb"
 
 [[package]]
 name = "time-macros"
-version = "0.2.9"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "372950940a5f07bf38dbe211d7283c9e6d7327df53794992d293e534c733d09b"
+checksum = "eb71511c991639bb078fd5bf97757e03914361c48100d52878b8e52b46fb92cd"
 dependencies = [
  "time-core",
 ]
@@ -2814,17 +3199,17 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.28.2"
+version = "1.30.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94d7b1cfd2aa4011f2de74c2c4c63665e27a71006b0a192dcd2710272e73dfa2"
+checksum = "2d3ce25f50619af8b0aec2eb23deebe84249e19e2ddd393a6e16e3300a6dadfd"
 dependencies = [
- "autocfg",
+ "backtrace",
  "bytes",
  "libc",
  "mio",
  "num_cpus",
  "pin-project-lite",
- "socket2",
+ "socket2 0.5.3",
  "tokio-macros",
  "windows-sys",
 ]
@@ -2847,7 +3232,27 @@ checksum = "630bdcf245f78637c13ec01ffae6187cca34625e8c63150d424b59e55af2675e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.28",
+]
+
+[[package]]
+name = "tokio-native-tls"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbae76ab933c85776efabc971569dd6119c580d8f5d448769dec1764bf796ef2"
+dependencies = [
+ "native-tls",
+ "tokio",
+]
+
+[[package]]
+name = "tokio-rustls"
+version = "0.24.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c28327cf380ac148141087fbfb9de9d7bd4e84ab5d2c28fbc911d753de8a7081"
+dependencies = [
+ "rustls",
+ "tokio",
 ]
 
 [[package]]
@@ -2966,13 +3371,13 @@ dependencies = [
 
 [[package]]
 name = "tracing-attributes"
-version = "0.1.25"
+version = "0.1.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8803eee176538f94ae9a14b55b2804eb7e1441f8210b1c31290b3bccdccff73b"
+checksum = "5f4f31f56159e98206da9efd823404b79b6ef3143b4a7ab76e67b1751b25a4ab"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -3059,9 +3464,9 @@ dependencies = [
 
 [[package]]
 name = "ucd-trie"
-version = "0.1.5"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e79c4d996edb816c91e4308506774452e55e95c3c9de07b6729e17e15a5ef81"
+checksum = "ed646292ffc8188ef8ea4d1e0e0150fb15a5c2e12ad9b8fc191ae7a8a7f3c4b9"
 
 [[package]]
 name = "unicode-bidi"
@@ -3071,9 +3476,9 @@ checksum = "92888ba5573ff080736b3648696b70cafad7d250551175acbaa4e0385b3e1460"
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.9"
+version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b15811caf2415fb889178633e7724bad2509101cde276048e013b9def5e51fa0"
+checksum = "301abaae475aa91687eb82514b328ab47a211a533026cb25fc3e519b86adfc3c"
 
 [[package]]
 name = "unicode-normalization"
@@ -3098,19 +3503,19 @@ checksum = "a156c684c91ea7d62626509bce3cb4e1d9ed5c4d978f7b4352658f96a4c26b4a"
 
 [[package]]
 name = "ureq"
-version = "2.7.0"
+version = "2.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4b45063f47caea744e48f5baa99169bd8bd9b882d80a99941141327bbb00f99"
+checksum = "0b11c96ac7ee530603dcdf68ed1557050f374ce55a5a07193ebf8cbc9f8927e9"
 dependencies = [
  "base64 0.21.2",
  "log",
  "once_cell",
  "rustls",
- "rustls-webpki",
+ "rustls-webpki 0.100.1",
  "serde",
  "serde_json",
  "url",
- "webpki-roots",
+ "webpki-roots 0.23.1",
 ]
 
 [[package]]
@@ -3122,6 +3527,7 @@ dependencies = [
  "form_urlencoded",
  "idna",
  "percent-encoding",
+ "serde",
 ]
 
 [[package]]
@@ -3132,9 +3538,9 @@ checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
 
 [[package]]
 name = "uuid"
-version = "1.3.4"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0fa2982af2eec27de306107c027578ff7f423d65f7250e40ce0fea8f45248b81"
+checksum = "79daa5ed5740825c40b389c5e50312b9c86df53fccd33f281df655642b43869d"
 dependencies = [
  "getrandom",
  "serde",
@@ -3146,6 +3552,21 @@ version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
 
+[[package]]
+name = "veraison-apiclient"
+version = "0.0.1"
+source = "git+https://github.com/chendave/rust-apiclient?branch=token#64fb77855bf0ce14e3167deec62cb2da3e6421c0"
+dependencies = [
+ "base64 0.13.1",
+ "chrono",
+ "jsonwebkey",
+ "reqwest",
+ "serde",
+ "serde_with",
+ "thiserror",
+ "url",
+]
+
 [[package]]
 name = "version_check"
 version = "0.9.4"
@@ -3158,7 +3579,7 @@ version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd64fe09d8e880e600c324e7d664760a17f56e9672b7495a86381b49e4f72f46"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "libc",
 ]
 
@@ -3214,10 +3635,22 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.28",
  "wasm-bindgen-shared",
 ]
 
+[[package]]
+name = "wasm-bindgen-futures"
+version = "0.4.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c02dbc21516f9f1f04f187958890d7e6026df8d16540b7ad9492bc34a67cea03"
+dependencies = [
+ "cfg-if",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
+]
+
 [[package]]
 name = "wasm-bindgen-macro"
 version = "0.2.87"
@@ -3236,7 +3669,7 @@ checksum = "54681b18a46765f095758388f2d0cf16eb8d4169b639ab575a8f5693af210c7b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.28",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -3257,13 +3690,32 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "webpki"
+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f095d78192e208183081cc07bc5515ef55216397af48b873e5edcd72637fa1bd"
+dependencies = [
+ "ring",
+ "untrusted",
+]
+
+[[package]]
+name = "webpki-roots"
+version = "0.22.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6c71e40d7d2c34a5106301fb632274ca37242cd0c9d3e64dbece371a40a2d87"
+dependencies = [
+ "webpki",
+]
+
 [[package]]
 name = "webpki-roots"
 version = "0.23.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b03058f88386e5ff5310d9111d53f48b17d732b401aeb83a8d5190f2ac459338"
 dependencies = [
- "rustls-webpki",
+ "rustls-webpki 0.100.1",
 ]
 
 [[package]]
@@ -3328,9 +3780,9 @@ dependencies = [
 
 [[package]]
 name = "windows-targets"
-version = "0.48.0"
+version = "0.48.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b1eb6f0cd7c80c79759c929114ef071b87354ce476d9d94271031c0497adfd5"
+checksum = "05d4b17490f70499f20b9e791dcf6a299785ce8af4d709018206dc5b4953e95f"
 dependencies = [
  "windows_aarch64_gnullvm",
  "windows_aarch64_msvc",
@@ -3383,6 +3835,15 @@ version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
 
+[[package]]
+name = "winreg"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80d0f4e272c85def139476380b12f9ac60926689dd2e01d4923222f40580869d"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "x509-parser"
 version = "0.14.0"
@@ -3398,7 +3859,7 @@ dependencies = [
  "oid-registry",
  "rusticata-macros",
  "thiserror",
- "time 0.3.22",
+ "time 0.3.25",
 ]
 
 [[package]]
@@ -3427,5 +3888,5 @@ checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.28",
 ]
diff --git a/attestation-service/Cargo.toml b/attestation-service/Cargo.toml
index ed68803..e5d22e5 100644
--- a/attestation-service/Cargo.toml
+++ b/attestation-service/Cargo.toml
@@ -5,11 +5,12 @@ edition = "2021"
 
 [features]
 default = [ "rvps-native", "all-verifier" ]
-all-verifier = [ "tdx-verifier", "sgx-verifier", "snp-verifier", "az-snp-vtpm-verifier" ]
+all-verifier = [ "tdx-verifier", "sgx-verifier", "snp-verifier", "az-snp-vtpm-verifier", "cca-verifier" ]
 tdx-verifier = [ "eventlog-rs", "scroll", "sgx-dcap-quoteverify-rs" ]
 sgx-verifier = [ "scroll", "sgx-dcap-quoteverify-rs" ]
 az-snp-vtpm-verifier = [ "az-snp-vtpm", "sev" ]
 snp-verifier = [ "asn1-rs", "openssl", "sev", "x509-parser" ]
+cca-verifier = [ "cbor-diag", "veraison-apiclient" ]
 
 rvps-native = []
 rvps-grpc = [ "tonic" ]
@@ -23,6 +24,7 @@ az-snp-vtpm = { git = "https://github.com/kinvolk/azure-cvm-tooling", rev = "2c2
 base64 = "0.21"
 bincode = "1.3.3"
 byteorder = "1"
+cbor-diag = { version = "0.1.11", optional = true }
 cfg-if = "1.0.0"
 chrono = { version = "0.4.19", features = [ "serde" ] }
 eventlog-rs = { version = "0.1.3", optional = true }
@@ -49,6 +51,7 @@ tempfile = "3.3.0"
 tokio.workspace = true
 tonic = { workspace = true, optional = true }
 uuid = { version = "1.1.2", features = ["v4"] }
+veraison-apiclient = { git = "https://github.com/chendave/rust-apiclient", branch = "token", optional = true }
 x509-parser = { version = "0.14.0", optional = true }
 
 [build-dependencies]
diff --git a/attestation-service/src/verifier/cca/mod.rs b/attestation-service/src/verifier/cca/mod.rs
new file mode 100644
index 0000000..e7eade7
--- /dev/null
+++ b/attestation-service/src/verifier/cca/mod.rs
@@ -0,0 +1,251 @@
+// Copyright (c) 2023 Arm Ltd.
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+
+use super::*;
+use anyhow::{anyhow, Context, Result};
+use async_trait::async_trait;
+use core::result::Result::Ok;
+use serde::{Deserialize, Serialize};
+use serde_json::{Map, Value};
+use veraison_apiclient::*;
+
+const VERIFIER_ADDR: &str = "VERIFIER_ADDR";
+const DEFAULT_VERIFIER_ADDR: &str = "localhost:8080";
+const MEDIA_TYPE: &str = "application/eat-collection; profile=http://arm.com/CCA-SSD/1.0.0";
+
+#[derive(Debug, Default)]
+pub struct CCA {}
+
+#[derive(Serialize, Deserialize)]
+struct CcaEvidence {
+    /// CCA token
+    token: Vec<u8>,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "kebab-case")]
+struct RealmToken {
+    //cca_realm_personalization_value: String,
+    cca_realm_initial_measurement: String,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "kebab-case")]
+struct Evidence {
+    cca_realm_delegated_token: RealmToken,
+}
+
+fn my_evidence_builder(
+    nonce: &[u8],
+    accept: &[String],
+    token: Vec<u8>,
+) -> Result<(Vec<u8>, String), veraison_apiclient::Error> {
+    log::info!("server challenge: {:?}", nonce);
+    log::info!("acceptable media types: {:#?}", accept);
+    // TODO: Get the CCA media type from the slice of `accept`.
+    Ok((token, MEDIA_TYPE.to_string()))
+}
+
+#[allow(unused_variables)]
+#[async_trait]
+impl Verifier for CCA {
+    async fn evaluate(
+        &self,
+        nonce: String,
+        attestation: &Attestation,
+    ) -> Result<TeeEvidenceParsedClaim> {
+        let evidence = serde_json::from_str::<CcaEvidence>(&attestation.tee_evidence)
+            .context("Deserialize CCA Evidence failed.")?;
+
+        let host_url =
+            std::env::var(VERIFIER_ADDR).unwrap_or_else(|_| DEFAULT_VERIFIER_ADDR.to_string());
+
+        let discovery = Discovery::from_base_url(format!("http://{:}", host_url))?;
+
+        let verification_api = discovery.get_verification_api().await?;
+
+        let relative_endpoint =
+            match verification_api.get_api_endpoint("newChallengeResponseSession") {
+                Some(endpoint) => endpoint,
+                None => bail!("Failed to discover the verification endpoint details."),
+            };
+
+        let api_endpoint = format!("http://{:}{}", host_url, relative_endpoint);
+
+        // create a ChallengeResponse object
+        let cr = ChallengeResponseBuilder::new()
+            .with_new_session_url(api_endpoint)
+            .build()?;
+
+        let nonce = Nonce::Size(32);
+        let token = evidence.token;
+        match cr.run(nonce, my_evidence_builder, token.clone()).await {
+            Err(e) => {
+                log::error!("Error: {}", e)
+            }
+            Ok(attestation_result) => {
+                log::info!("Attestation Result: {}", attestation_result)
+            }
+        }
+
+        // NOTE: The tcb returned is actually an empty `Evidence`, the code here is just a show case the parse of the CCA token
+        // to get the tcb is possible, but this is not actually fully implemented due to the below reasons:
+        // 1. CCA validation by the Verasion has some overlapping with the RVPS, the similar validation has been done by the Verasion already.
+        // 2. Each of key of the CCA token layout after the parse is an int from hex, it cannot be converted into a json easily without
+        // manually manipulation, which is dirty and complex, we can hold this for an while and see if the type of key can be redefined as String.
+        let tcb = parse_cca_token(token)?;
+        // Return Evidence parsed claim
+        cca_generate_parsed_claim(tcb).map_err(|e| anyhow!("error from CCA Verifier: {:?}", e))
+    }
+}
+
+/// The expected token layout looks like below,
+///
+/// In short:
+/// {
+/// "cca-platform-token" (44234): {
+///     ...
+///   },
+/// "cca-realm-delegated-token" (44241): {
+///     ...
+///   }
+/// }
+///
+/// and the details for each of them is listed here:
+///
+/// {
+///     265_1: "http://arm.com/CCA-SSD/1.0.0",
+///     10: h'07060504030201000f0e0d0c0b0a090817161514131211101f1e1d1c1b1a1918',
+///     2396_1: h'7f454c4602010100000000000000000003003e000100000050580000000000004000000000000000a0030200000000000000000040003800090040001c001b00',
+///     256_1: h'0107060504030201000f0e0d0c0b0a090817161514131211101f1e1d1c1b1a1918',
+///     2401_1: h'0107060504030201000f0e0d0c0b0a090817161514131211101f1e1d1c1b1a1918',
+///     2395_1: 12291_1,
+///     2402_1: "sha-256",
+///     2399_1: [
+///         {
+///             1: "BL",
+///             5: h'07060504030201000f0e0d0c0b0a090817161514131211101f1e1d1c1b1a1918',
+///             4: "3.4.2",
+///             2: h'07060504030201000f0e0d0c0b0a090817161514131211101f1e1d1c1b1a1918',
+///             6: "sha-256",
+///         },
+///         {
+///             1: "M1",
+///             5: h'07060504030201000f0e0d0c0b0a090817161514131211101f1e1d1c1b1a1918',
+///             4: "1.2",
+///             2: h'07060504030201000f0e0d0c0b0a090817161514131211101f1e1d1c1b1a1918',
+///         },
+///         {
+///             1: "M2",
+///             5: h'07060504030201000f0e0d0c0b0a090817161514131211101f1e1d1c1b1a1918',
+///             4: "1.2.3",
+///             2: h'07060504030201000f0e0d0c0b0a090817161514131211101f1e1d1c1b1a1918',
+///         },
+///         {
+///             1: "M3",
+///             5: h'07060504030201000f0e0d0c0b0a090817161514131211101f1e1d1c1b1a1918',
+///             4: "1",
+///             2: h'07060504030201000f0e0d0c0b0a090817161514131211101f1e1d1c1b1a1918',
+///         },
+///     ],
+///     2400_1: "whatever.com",
+/// }
+/// {
+///     10: h'00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',
+///     44235_1: h'00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',
+///     44237_1: h'0476f988091be585ed41801aecfab858548c63057e16b0e676120bbd0d2f9c29e056c5d41a0130eb9c21517899dc23146b28e1b062bd3ea4b315fd219f1cbb528cb6e74ca49be16773734f61a1ca61031b2bbf3d918f2f94ffc4228e50919544ae',
+///     44236_1: "sha-256",
+///     44240_1: "sha-256",
+///     44238_1: h'75a1fbc79a7d20a5ff843b914dfd8093d40cd07dd633401c8c42d697be224801',
+///     44239_1: [
+///         h'0000000000000000000000000000000000000000000000000000000000000000',
+///         h'0000000000000000000000000000000000000000000000000000000000000000',
+///         h'0000000000000000000000000000000000000000000000000000000000000000',
+///         h'0000000000000000000000000000000000000000000000000000000000000000',
+///     ],
+/// }
+fn parse_cca_token(token: Vec<u8>) -> Result<Evidence> {
+    let evidence = Evidence {
+        cca_realm_delegated_token: RealmToken {
+            cca_realm_initial_measurement: "".to_string(),
+        },
+    };
+
+    // NOTE: For some corner case, the date cannot be parsed to token correctly but the token
+    // can be validated successfully by the CCA verifier e.g. `Err` value: Todo("Remaining bytes (00)")'
+    // Instead of throwing an error, just print it out in this case.
+    let mut di = match cbor_diag::parse_bytes(token) {
+        Ok(di) => di,
+        Err(err) => {
+            log::info!("Error: {:?}", err);
+            return Ok(evidence);
+        }
+    };
+
+    if let cbor_diag::DataItem::Tag {
+        tag: _,
+        bitwidth: _,
+        value,
+    } = di
+    {
+        di = *value;
+    }
+
+    if let cbor_diag::DataItem::Map { data, .. } = di {
+        for item in data {
+            if let cbor_diag::DataItem::ByteString(t) = item.1 {
+                let tok = cbor_diag::parse_bytes(t.data)?;
+                if let cbor_diag::DataItem::Tag { value, .. } = tok {
+                    if let cbor_diag::DataItem::Array { data, .. } = *value {
+                        if let cbor_diag::DataItem::ByteString(cose) = data.get(2).ok_or_else(|| anyhow!("Cannot get raw bytes from token"))? {
+                            let v = &cose.data;
+                            match cbor_diag::parse_bytes(v) {
+                                Ok(claims) => {
+                                    info!("{}", claims.to_diag_pretty());
+                                }
+                                Err(e) => {
+                                    error!("Error parsing claims: {}", e);
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+    Ok(evidence)
+}
+
+fn cca_generate_parsed_claim(tcb: Evidence) -> Result<TeeEvidenceParsedClaim> {
+    let mut claim_map = Map::new();
+
+    claim_map.insert(
+        "cca-realm-initial-measurement".to_string(),
+        serde_json::Value::String(tcb.cca_realm_delegated_token.cca_realm_initial_measurement),
+    );
+
+    log::info!("\nParsed Evidence claims map: \n{:?}\n", &claim_map);
+
+    Ok(Value::Object(claim_map) as TeeEvidenceParsedClaim)
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use std::fs;
+
+    #[test]
+    fn test_cca_generate_parsed_claim() {
+        let s = fs::read("../test_data/cca-claims.json").unwrap();
+        let evidence = String::from_utf8_lossy(&s);
+        let tcb = serde_json::from_str::<Evidence>(&evidence).unwrap();
+        let parsed_claim = cca_generate_parsed_claim(tcb);
+        assert!(parsed_claim.is_ok());
+        let _ = fs::write(
+            "test_data/cca_evidence_claim_output.txt",
+            format!("{:?}", parsed_claim.unwrap()),
+        );
+    }
+}
diff --git a/attestation-service/src/verifier/mod.rs b/attestation-service/src/verifier/mod.rs
index 7a9950f..190364a 100644
--- a/attestation-service/src/verifier/mod.rs
+++ b/attestation-service/src/verifier/mod.rs
@@ -17,9 +17,12 @@ pub mod tdx;
 #[cfg(feature = "sgx-verifier")]
 pub mod sgx;
 
+#[cfg(feature = "cca-verifier")]
+pub mod cca;
+
 pub(crate) fn to_verifier(tee: &Tee) -> Result<Box<dyn Verifier + Send + Sync>> {
     match tee {
-        Tee::Sev | Tee::Cca => todo!(),
+        Tee::Sev => todo!(),
         Tee::AzSnpVtpm => {
             cfg_if::cfg_if! {
                 if #[cfg(feature = "az-snp-vtpm-verifier")] {
@@ -57,6 +60,15 @@ pub(crate) fn to_verifier(tee: &Tee) -> Result<Box<dyn Verifier + Send + Sync>>
                 }
             }
         }
+        Tee::Cca => {
+            cfg_if::cfg_if! {
+                if #[cfg(feature = "cca-verifier")] {
+                    Ok(Box::<cca::CCA>::default() as Box<dyn Verifier + Send + Sync>)
+                } else {
+                    anyhow::bail!("feature `cca-verifier` is not enabled!");
+                }
+            }
+        }
     }
 }
 
diff --git a/test_data/cca-claims.json b/test_data/cca-claims.json
new file mode 100644
index 0000000..f5655d1
--- /dev/null
+++ b/test_data/cca-claims.json
@@ -0,0 +1,31 @@
+{
+  "cca-platform-token": {
+    "cca-platform-profile": "http://arm.com/CCA-SSD/1.0.0",
+    "cca-platform-implementation-id": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=",
+    "cca-platform-instance-id": "AQICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIC",
+    "cca-platform-config": "AQID",
+    "cca-platform-lifecycle": 12288,
+    "cca-platform-sw-components": [
+      {
+        "measurement-value": "AwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwM=",
+        "signer-id": "BAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQ="
+      }
+    ],
+    "cca-platform-service-indicator": "https://veraison.example/v1/challenge-response",
+    "cca-platform-hash-algo-id": "sha-256"
+  },
+  "cca-realm-delegated-token": {
+    "cca-realm-challenge": "QUJBQkFCQUJBQkFCQUJBQkFCQUJBQkFCQUJBQkFCQUJBQkFCQUJBQkFCQUJBQkFCQUJBQkFCQUJBQkFCQUJBQg==",
+    "cca-realm-personalization-value": "QURBREFEQURBREFEQURBREFEQURBREFEQURBREFEQURBREFEQURBREFEQURBREFEQURBREFEQURBREFEQURBRA==",
+    "cca-realm-initial-measurement": "Q0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQw==",
+    "cca-realm-extensible-measurements": [
+      "Q0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQw==",
+      "Q0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQw==",
+      "Q0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQw==",
+      "Q0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0NDQw=="
+    ],
+    "cca-realm-hash-algo-id": "sha-256",
+    "cca-realm-public-key": "BIL70TKptcOWh5+7FTQNkFCXjlXHnVJ5oroOlYVPN+IM0vZPO3K1cLvXc+7iznaEJe31Re2+if+v4OlrvUbicPIHlsRIuY2vRqdk0nRC5ubthPjOyBfm7ManHTo959Z+zQ==",
+    "cca-realm-public-key-hash-algo-id": "sha-512"
+  }
+}