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Increase the size of the certificate in Stage0 DICE data #4946

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merged 2 commits into from
Mar 22, 2024
Merged

Increase the size of the certificate in Stage0 DICE data #4946

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4b15ea8
Increase the size of the certificate in Stage0 DICE data
conradgrobler Mar 22, 2024
fdb24b3
Fix sizes
conradgrobler Mar 22, 2024
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4 changes: 2 additions & 2 deletions oak_dice/src/evidence.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -54,7 +54,7 @@ pub const X25519_PRIVATE_KEY_SIZE: usize = 32;
pub const PUBLIC_KEY_SIZE: usize = 256;

/// The maximum size of a serialized CWT certificate.
pub const CERTIFICATE_SIZE: usize = 1024;
pub const CERTIFICATE_SIZE: usize = 1536;

/// The name of the kernel command-line parameter that is used to send the
/// physical address of the Stage 0 DICE data struct.
Expand Down Expand Up @@ -190,7 +190,7 @@ pub struct Stage0DiceData {
pub layer_1_certificate_authority: CertificateAuthority,
/// The compound device identifier for Layer 1.
pub layer_1_cdi: CompoundDeviceIdentifier,
_padding_1: [u8; 640],
_padding_1: [u8; 128],
}

static_assertions::assert_eq_size!([u8; 4096], Stage0DiceData);
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