Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Define CKD_SHA256_KDF transformation #239

Open
wants to merge 1 commit into
base: main
Choose a base branch
from
Open

Define CKD_SHA256_KDF transformation #239

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
11 changes: 11 additions & 0 deletions cryptoki/src/mechanism/elliptic_curve.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -93,6 +93,17 @@ impl EcKdf<'_> {
}
}

/// The key derivation function based on sha256 as defined in the ANSI X9.63 standard. The
/// derived key is produced by concatenating hashes of the shared
/// value followed by 00000001, 00000002, etc. until we find
/// enough bytes to fill the `CKA_VALUE_LEN` of the derived key.
pub fn sha256() -> Self {
Self {
kdf_type: CKD_SHA256_KDF,
shared_data: None,
}
}

// The intention here is to be able to support other methods with
// shared data, without it being a breaking change, by just adding
// additional constructors here.
Expand Down
Loading