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Fix attestation verification on AWS with AMD SEV-SNP #44

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Merged
grydz merged 2 commits into from
Apr 30, 2025
Merged

Fix attestation verification on AWS with AMD SEV-SNP #44

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0abcf8e
Fix: attestation verification on AWS with AMD SEV-SNP
grydz Apr 30, 2025
f5b2565
Bump version to 1.6.2
grydz Apr 30, 2025
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72 changes: 20 additions & 52 deletions Cargo.lock
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2 changes: 1 addition & 1 deletion Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,7 @@ members = [
]

[workspace.package]
version = "1.6.1"
version = "1.6.2"
edition = "2021"
license = "BUSL-1.1" # "Business Source License 1.1"
license-file = "LICENSE"
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1 change: 0 additions & 1 deletion crate/sev_quote/Cargo.toml
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Expand Up @@ -26,7 +26,6 @@ sev = { workspace = true, features = [
] }
sha2 = { workspace = true }
thiserror = { workspace = true }
uuid = { version = "1.16", features = ["serde", "v4"] }
x509-parser = { workspace = true }

[dev-dependencies]
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Binary file modified crate/sev_quote/data/report-vlek-aws.bin
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14 changes: 3 additions & 11 deletions crate/sev_quote/src/quote.rs
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Expand Up @@ -25,19 +25,11 @@ use sev::{
firmware::host::CertType,
};

use uuid::Uuid;
use x509_parser::{self, pem::parse_x509_pem};

#[cfg(target_os = "linux")]
use crate::REPORT_DATA_SIZE;

const AWS_VLEK_TYPE: Uuid = Uuid::from_fields(
0xa807_4bc2,
0xa25a,
0x483e,
&[0xaa, 0xe6, 0x39, 0xc0, 0x45, 0xa0, 0xb8, 0xa1],
);

const SEV_PROD_NAME: SevProdName = SevProdName::Milan;
const KDS_CERT_SITE: &str = "https://kdsintf.amd.com";

Expand Down Expand Up @@ -117,7 +109,7 @@ pub fn verify_quote(quote: &Quote, policy: &SevQuoteVerificationPolicy) -> Resul
let vlek = quote
.certs
.iter()
.find(|item| item.cert_type == CertType::OTHER(AWS_VLEK_TYPE));
.find(|item| item.cert_type == CertType::VLEK);
let ark = quote
.certs
.iter()
Expand Down Expand Up @@ -219,8 +211,8 @@ mod tests {
verify_quote(
&quote,
&SevQuoteVerificationPolicy {
measurement: Some(hex::decode("c2c84b9364fc9f0f54b04534768c860c6e0e386ad98b96e8b98eca46ac8971d05c531ba48373f054c880cfd1f4a0a84e").unwrap().try_into().unwrap()),
report_data: Some(hex::decode("0d155251f139f682dc4ea2798feceed7c475461c8faecf7496401500956624540000000000000000000000000000000000000000000000000000000000000000").unwrap().try_into().unwrap()) ,
measurement: Some(hex::decode("ac3e4d8516634a5e0180338175cc827c90061414bd699b5af30712caa291fa34ed06cc622792bc1177126bd115a826ba").unwrap().try_into().unwrap()),
report_data: Some(hex::decode("00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000").unwrap().try_into().unwrap()) ,
..Default::default()
}
)
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