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#[derive(Copy, Clone, Debug, Hash, PartialEq, Eq)]
pub enum MetadataKey {
Method,
Iv,
AesGcmTag,
KmsVendor,
KmsCiphertextKey,
}
const METADATA_KEY_METHOD: &str = "method";
const METADATA_KEY_IV: &str = "iv";
const METADATA_KEY_AES_GCM_TAG: &str = "aes_gcm_tag";
const METADATA_KEY_KMS_VENDOR: &str = "kms_vendor";
const METADATA_KEY_KMS_ENCRYPTED_KEY: &str = "kms_ciphertext_key";
impl MetadataKey {
pub fn as_str(self) -> &'static str {
match self {
MetadataKey::Method => METADATA_KEY_METHOD,
MetadataKey::Iv => METADATA_KEY_IV,
MetadataKey::AesGcmTag => METADATA_KEY_AES_GCM_TAG,
MetadataKey::KmsVendor => METADATA_KEY_KMS_VENDOR,
MetadataKey::KmsCiphertextKey => METADATA_KEY_KMS_ENCRYPTED_KEY,
}
}
}
#[derive(Copy, Clone, Debug, Hash, PartialEq, Eq)]
pub enum MetadataMethod {
Plaintext,
Aes256Gcm,
}
const METADATA_METHOD_PLAINTEXT: &[u8] = b"plaintext";
const METADATA_METHOD_AES256_GCM: &[u8] = b"aes256-gcm";
impl MetadataMethod {
pub fn as_slice(self) -> &'static [u8] {
match self {
MetadataMethod::Plaintext => METADATA_METHOD_PLAINTEXT,
MetadataMethod::Aes256Gcm => METADATA_METHOD_AES256_GCM,
}
}
}