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//! Delegation signer digest algorithm numbers.
//------------ DigestAlgorithm -----------------------------------------------
int_enum! {
/// Delegation signer digest algorithm numbers.
///
/// These numbers are used in the DS resource record to specify how the
/// key digest in the record has been generated.
///
/// For the currently registered values see the [IANA registration].
/// This type is complete as of the registry update of 2012-04-13.
///
/// [IANA registration]: https://www.iana.org/assignments/ds-rr-types/ds-rr-types.xhtml#ds-rr-types-1
=>
DigestAlgorithm, u8;
/// Specifies that the SHA-1 hash function is used.
///
/// Implementation of this function is currently mandatory.
(SHA1 => 1, "SHA-1")
/// Specifies that the SHA-256 hash function is used.
///
/// Implementation of this function is currently mandatory.
(SHA256 => 2, "SHA-256")
/// Specifies that the GOST R 34.11-94 hash function is used.
///
/// Use of this hash function is described in [RFC 5933]. Implementing
/// the function is optional.
///
/// [RFC 5933]: https://tools.ietf.org/html/rfc5933
(GOST => 3, "GOST R 34.11-94")
/// Specifies that the SHA-384 hash function is used.
///
/// Use of this hash function is described in [RFC 6605]. Implementing
/// the function is optional.
///
/// [RFC 6605]: https://tools.ietf.org/html/rfc6605
(SHA384 => 4, "SHA-384")
}
int_enum_str_decimal!(DigestAlgorithm, u8);
int_enum_zonefile_fmt_decimal!(DigestAlgorithm, "digest type");
//============ Tests =========================================================
#[cfg(test)]
mod test {
#[cfg(feature = "serde")]
#[test]
fn ser_de() {
use super::DigestAlgorithm;
use serde_test::{assert_tokens, Token};
assert_tokens(&DigestAlgorithm::SHA384, &[Token::U8(4)]);
assert_tokens(&DigestAlgorithm(100), &[Token::U8(100)]);
}
}