1 files changed, 76 insertions, 0 deletions
diff --git a/vendor/pasetors/src/errors.rs b/vendor/pasetors/src/errors.rs
new file mode 100644
index 000000000..f970ff334
--- /dev/null
+++ b/vendor/pasetors/src/errors.rs
@@ -0,0 +1,76 @@
+#[derive(Debug, PartialEq, Eq)]
+/// Errors for token operations.
+pub enum Error {
+    /// Error for a token with an invalid format.
+    TokenFormat,
+    /// Error for a failed Base64 (URL-safe without padding) encoding/decoding.
+    Base64,
+    /// Error for a failed token validation.
+    TokenValidation,
+    /// Error for an invalid key.
+    Key,
+    /// Error for a failed encryption operation.
+    Encryption,
+    /// Error for a failed attempt to generate bytes using a CSPRNG.
+    Csprng,
+    /// Error for a conversion that would be lossy.
+    LossyConversion,
+    /// Error for attempting to create a token with an empty payload.
+    EmptyPayload,
+    /// Error for attempting to create an invalid claim.
+    InvalidClaim,
+    /// Claim validation error. See [`crate::claims::ClaimsValidationRules::validate_claims`].
+    ClaimValidation,
+    /// Error for attempting to parse a Claim but found invalid UTF-8 sequence.
+    ClaimInvalidUtf8,
+    /// Error for attempting to parse a Claim but found invalid JSON sequence.
+    ClaimInvalidJson,
+    /// Error during (de)serialization of PASERK types.
+    PaserkParsing,
+    /// Error during signing of a message.
+    Signing,
+    /// Error during conversion between uncompressed<->compressed public keys.
+    PublicKeyConversion,
+    /// Error during key generation.
+    KeyGeneration,
+    /// The payload was not valid UTF-8.
+    PayloadInvalidUtf8,
+    /// Error during parsing of a `Footer`.
+    FooterParsing,
+}
+
+#[cfg(feature = "std")]
+impl std::error::Error for Error {}
+
+#[cfg(feature = "std")]
+impl std::fmt::Display for Error {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.write_fmt(format_args!("{:?}", self))
+    }
+}
+
+impl From<ct_codecs::Error> for Error {
+    fn from(_: ct_codecs::Error) -> Self {
+        Error::Base64
+    }
+}
+
+impl From<getrandom::Error> for Error {
+    fn from(_: getrandom::Error) -> Self {
+        Error::Csprng
+    }
+}
+
+impl From<core::num::TryFromIntError> for Error {
+    fn from(_: core::num::TryFromIntError) -> Self {
+        Error::LossyConversion
+    }
+}
+
+#[test]
+fn test_error_from_impls() {
+    let _ = format!("{:?}", Error::TokenFormat);
+    let _ = format!("{}", Error::TokenFormat);
+    assert_eq!(Error::from(ct_codecs::Error::InvalidInput), Error::Base64);
+    assert_eq!(Error::from(getrandom::Error::FAILED_RDRAND), Error::Csprng);
+}