aarushigupta132 commented on code in PR #2701:
URL: https://github.com/apache/iceberg-rust/pull/2701#discussion_r3611421465
##########
crates/iceberg/src/encryption/key_metadata.rs:
##########
@@ -101,6 +104,22 @@ impl StandardKeyMetadata {
}
}
+/// AAD prefix length in bytes.
+const AAD_PREFIX_LENGTH: usize = 16;
+
+/// Generate a [`StandardKeyMetadata`] with a fresh random DEK and AAD prefix,
+/// sized to `key_size`.
+pub(crate) fn generate_standard_key_metadata(key_size: AesKeySize) ->
StandardKeyMetadata {
+ let dek = SecureKey::generate(key_size);
+
StandardKeyMetadata::new(dek.as_bytes()).with_aad_prefix(&generate_aad_prefix())
Review Comment:
thank you for the review again, also resolved this 🙏
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