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Allow direct access to SHA-256 digest of KeyAuthorization

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This is used directly for the TLS-ALPN-01 challenge type.
This commit is contained in:
Sajjad Pourali 2022-11-13 00:06:11 -05:00 committed by Dirkjan Ochtman
parent 37223c1a62
commit 1f42c1e5a2
1 changed files with 11 additions and 3 deletions
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14
src/types.rs
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@ -102,10 +102,13 @@ impl std::error::Error for Problem {}
/// The response value to use for challenge responses /// The response value to use for challenge responses
/// ///
/// Use [`KeyAuthorization::dns_value()`] for DNS challenges and /// Use [`KeyAuthorization::dns_value()`] for DNS challenges,
/// [`KeyAuthorization::as_str()`] for other challenge types. /// [`KeyAuthorization::to_bytes()`] for TLS challenges, and
/// [`KeyAuthorization::as_str()`] for HTTP challenges.
/// ///
/// <https://datatracker.ietf.org/doc/html/rfc8555#section-8.1> /// <https://datatracker.ietf.org/doc/html/rfc8555#section-8.1>
///
/// <https://datatracker.ietf.org/doc/html/rfc8737#section-3>
pub struct KeyAuthorization(pub(crate) String); pub struct KeyAuthorization(pub(crate) String);
impl KeyAuthorization { impl KeyAuthorization {
@ -114,9 +117,14 @@ impl KeyAuthorization {
&self.0 &self.0
} }
/// Get the SHA256 digest of the key authorization
pub fn to_bytes(&self) -> impl AsRef<[u8]> {
digest(&SHA256, self.0.as_bytes())
}
/// Get the base64-encoded SHA256 digest of the key authorization /// Get the base64-encoded SHA256 digest of the key authorization
pub fn dns_value(&self) -> String { pub fn dns_value(&self) -> String {
base64::encode_config(digest(&SHA256, self.0.as_bytes()), URL_SAFE_NO_PAD) base64::encode_config(self.to_bytes(), URL_SAFE_NO_PAD)
} }
} }