[dice] Add DiceKdf wrapper to libdiced_open_dice
This function will be used to derived the sealing key for
encrypted storage in Microdroid later.
Bug: 267575445
Test: atest libdiced_open_dice_nostd.integration_test \
libdiced_open_dice.integration_test \
diced_open_dice_cbor_test
Change-Id: I7c2e2eb49c3942a3d0c67f076d311a939da754d4
diff --git a/diced/open_dice/tests/api_test.rs b/diced/open_dice/tests/api_test.rs
index 5b36f8d..3823bb7 100644
--- a/diced/open_dice/tests/api_test.rs
+++ b/diced/open_dice/tests/api_test.rs
@@ -14,20 +14,32 @@
* limitations under the License.
*/
-use diced_open_dice::{derive_cdi_certificate_id, hash, ID_SIZE};
+use diced_open_dice::{
+ derive_cdi_certificate_id, hash, kdf, HASH_SIZE, ID_SIZE, PRIVATE_KEY_SEED_SIZE,
+};
#[test]
fn hash_succeeds() {
- assert_eq!(
- hash(b"hello world").expect("hash failed"),
- [
- 0x30, 0x9e, 0xcc, 0x48, 0x9c, 0x12, 0xd6, 0xeb, 0x4c, 0xc4, 0x0f, 0x50, 0xc9, 0x02,
- 0xf2, 0xb4, 0xd0, 0xed, 0x77, 0xee, 0x51, 0x1a, 0x7c, 0x7a, 0x9b, 0xcd, 0x3c, 0xa8,
- 0x6d, 0x4c, 0xd8, 0x6f, 0x98, 0x9d, 0xd3, 0x5b, 0xc5, 0xff, 0x49, 0x96, 0x70, 0xda,
- 0x34, 0x25, 0x5b, 0x45, 0xb0, 0xcf, 0xd8, 0x30, 0xe8, 0x1f, 0x60, 0x5d, 0xcf, 0x7d,
- 0xc5, 0x54, 0x2e, 0x93, 0xae, 0x9c, 0xd7, 0x6f
- ]
- );
+ const EXPECTED_HASH: [u8; HASH_SIZE] = [
+ 0x30, 0x9e, 0xcc, 0x48, 0x9c, 0x12, 0xd6, 0xeb, 0x4c, 0xc4, 0x0f, 0x50, 0xc9, 0x02, 0xf2,
+ 0xb4, 0xd0, 0xed, 0x77, 0xee, 0x51, 0x1a, 0x7c, 0x7a, 0x9b, 0xcd, 0x3c, 0xa8, 0x6d, 0x4c,
+ 0xd8, 0x6f, 0x98, 0x9d, 0xd3, 0x5b, 0xc5, 0xff, 0x49, 0x96, 0x70, 0xda, 0x34, 0x25, 0x5b,
+ 0x45, 0xb0, 0xcf, 0xd8, 0x30, 0xe8, 0x1f, 0x60, 0x5d, 0xcf, 0x7d, 0xc5, 0x54, 0x2e, 0x93,
+ 0xae, 0x9c, 0xd7, 0x6f,
+ ];
+ assert_eq!(EXPECTED_HASH, hash(b"hello world").expect("hash failed"));
+}
+
+#[test]
+fn kdf_succeeds() {
+ let mut derived_key = [0u8; PRIVATE_KEY_SEED_SIZE];
+ kdf(b"myInitialKeyMaterial", b"mySalt", b"myInfo", &mut derived_key).unwrap();
+ const EXPECTED_DERIVED_KEY: [u8; PRIVATE_KEY_SEED_SIZE] = [
+ 0x91, 0x9b, 0x8d, 0x29, 0xc4, 0x1b, 0x93, 0xd7, 0xeb, 0x09, 0xfa, 0xd7, 0xc9, 0x87, 0xb0,
+ 0xd1, 0xcc, 0x26, 0xef, 0x07, 0x83, 0x42, 0xcf, 0xa3, 0x45, 0x0a, 0x57, 0xe9, 0x19, 0x86,
+ 0xef, 0x48,
+ ];
+ assert_eq!(EXPECTED_DERIVED_KEY, derived_key);
}
#[test]