Joseph O'Brien
6427d188e6
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Public Repo Readiness / Check Public Repo Readiness (push) Has been cancelled
- Extract FileStore port and InMemoryFileStore/FileStoreImpl/Reporter adapters - Add Reporter trait to notcore with TerminalReporter and JsonReporter - Refactor linker, package, status modules to use FileStore port - Add integration test suite with dotfiles fixtures - Add cross-crate integration tests - Remove ssh_rsa identity/recipient (unsupported) - Add rustqual.toml, .sccignore, notfiles.toml config files - Update CLAUDE.md, README.md, AGENTS.md with current architecture
75 lines
1.8 KiB
Rust
75 lines
1.8 KiB
Rust
use crate::error::AgeError;
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pub mod x25519;
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pub use x25519::X25519Identity;
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pub mod ssh_ed25519;
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pub use ssh_ed25519::SshEd25519Identity;
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pub mod scrypt;
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pub use scrypt::ScryptIdentity;
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pub mod encrypted;
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pub use encrypted::EncryptedIdentity;
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/// The symmetric file encryption key — 16 random bytes.
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#[derive(Clone, Debug)]
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pub struct FileKey([u8; 16]);
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impl FileKey {
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pub fn new(bytes: [u8; 16]) -> Self {
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Self(bytes)
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}
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pub fn as_bytes(&self) -> &[u8; 16] {
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&self.0
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}
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pub fn generate() -> Self {
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use rand::RngCore;
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let mut bytes = [0u8; 16];
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rand::thread_rng().fill_bytes(&mut bytes);
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Self(bytes)
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}
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}
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impl TryFrom<&[u8]> for FileKey {
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type Error = AgeError;
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fn try_from(b: &[u8]) -> Result<Self, AgeError> {
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b.try_into().map(Self).map_err(|_| {
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AgeError::ParseError(format!("file key must be 16 bytes, got {}", b.len()))
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})
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}
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}
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impl Drop for FileKey {
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fn drop(&mut self) {
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// Zero out key material on drop
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self.0.iter_mut().for_each(|b| *b = 0);
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}
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}
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/// A single recipient stanza in the age header.
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#[derive(Debug, Clone)]
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pub struct Stanza {
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pub tag: String,
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pub args: Vec<String>,
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pub body: Vec<u8>,
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}
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/// The full age header (all stanzas + MAC).
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#[derive(Debug, Clone)]
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pub struct Header {
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pub recipients: Vec<Stanza>,
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pub mac: Vec<u8>,
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}
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/// Domain port: an identity that can attempt to unwrap a recipient stanza.
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///
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/// Returns `None` if the stanza tag/args do not match this identity type.
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/// Returns `Some(Err(...))` if the stanza matches but decryption fails.
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/// Returns `Some(Ok(file_key))` on success.
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pub trait Identity {
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fn unwrap_file_key(&self, stanza: &Stanza) -> Option<Result<FileKey, AgeError>>;
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}
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