1 files changed, 195 insertions, 0 deletions
diff --git a/vendor/der/src/asn1/ia5_string.rs b/vendor/der/src/asn1/ia5_string.rs
new file mode 100644
index 0000000..1b06dce
--- /dev/null
+++ b/vendor/der/src/asn1/ia5_string.rs
@@ -0,0 +1,195 @@
+//! ASN.1 `IA5String` support.
+
+use crate::{asn1::AnyRef, FixedTag, Result, StrRef, Tag};
+use core::{fmt, ops::Deref};
+
+macro_rules! impl_ia5_string {
+    ($type: ty) => {
+        impl_ia5_string!($type,);
+    };
+    ($type: ty, $($li: lifetime)?) => {
+        impl_string_type!($type, $($li),*);
+
+        impl<$($li),*> FixedTag for $type {
+            const TAG: Tag = Tag::Ia5String;
+        }
+
+        impl<$($li),*> fmt::Debug for $type {
+            fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+                write!(f, "Ia5String({:?})", self.as_str())
+            }
+        }
+    };
+}
+
+/// ASN.1 `IA5String` type.
+///
+/// Supports the [International Alphabet No. 5 (IA5)] character encoding, i.e.
+/// the lower 128 characters of the ASCII alphabet. (Note: IA5 is now
+/// technically known as the International Reference Alphabet or IRA as
+/// specified in the ITU-T's T.50 recommendation).
+///
+/// For UTF-8, use [`Utf8StringRef`][`crate::asn1::Utf8StringRef`].
+///
+/// This is a zero-copy reference type which borrows from the input data.
+///
+/// [International Alphabet No. 5 (IA5)]: https://en.wikipedia.org/wiki/T.50_%28standard%29
+#[derive(Copy, Clone, Eq, PartialEq, PartialOrd, Ord)]
+pub struct Ia5StringRef<'a> {
+    /// Inner value
+    inner: StrRef<'a>,
+}
+
+impl<'a> Ia5StringRef<'a> {
+    /// Create a new `IA5String`.
+    pub fn new<T>(input: &'a T) -> Result<Self>
+    where
+        T: AsRef<[u8]> + ?Sized,
+    {
+        let input = input.as_ref();
+
+        // Validate all characters are within IA5String's allowed set
+        if input.iter().any(|&c| c > 0x7F) {
+            return Err(Self::TAG.value_error());
+        }
+
+        StrRef::from_bytes(input)
+            .map(|inner| Self { inner })
+            .map_err(|_| Self::TAG.value_error())
+    }
+}
+
+impl_ia5_string!(Ia5StringRef<'a>, 'a);
+
+impl<'a> Deref for Ia5StringRef<'a> {
+    type Target = StrRef<'a>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.inner
+    }
+}
+
+impl<'a> From<&Ia5StringRef<'a>> for Ia5StringRef<'a> {
+    fn from(value: &Ia5StringRef<'a>) -> Ia5StringRef<'a> {
+        *value
+    }
+}
+
+impl<'a> From<Ia5StringRef<'a>> for AnyRef<'a> {
+    fn from(internationalized_string: Ia5StringRef<'a>) -> AnyRef<'a> {
+        AnyRef::from_tag_and_value(Tag::Ia5String, internationalized_string.inner.into())
+    }
+}
+
+#[cfg(feature = "alloc")]
+pub use self::allocation::Ia5String;
+
+#[cfg(feature = "alloc")]
+mod allocation {
+    use super::Ia5StringRef;
+    use crate::{
+        asn1::AnyRef,
+        referenced::{OwnedToRef, RefToOwned},
+        Error, FixedTag, Result, StrOwned, Tag,
+    };
+    use alloc::string::String;
+    use core::{fmt, ops::Deref};
+
+    /// ASN.1 `IA5String` type.
+    ///
+    /// Supports the [International Alphabet No. 5 (IA5)] character encoding, i.e.
+    /// the lower 128 characters of the ASCII alphabet. (Note: IA5 is now
+    /// technically known as the International Reference Alphabet or IRA as
+    /// specified in the ITU-T's T.50 recommendation).
+    ///
+    /// For UTF-8, use [`String`][`alloc::string::String`].
+    ///
+    /// [International Alphabet No. 5 (IA5)]: https://en.wikipedia.org/wiki/T.50_%28standard%29
+    #[derive(Clone, Eq, PartialEq, PartialOrd, Ord)]
+    pub struct Ia5String {
+        /// Inner value
+        inner: StrOwned,
+    }
+
+    impl Ia5String {
+        /// Create a new `IA5String`.
+        pub fn new<T>(input: &T) -> Result<Self>
+        where
+            T: AsRef<[u8]> + ?Sized,
+        {
+            let input = input.as_ref();
+            Ia5StringRef::new(input)?;
+
+            StrOwned::from_bytes(input)
+                .map(|inner| Self { inner })
+                .map_err(|_| Self::TAG.value_error())
+        }
+    }
+
+    impl_ia5_string!(Ia5String);
+
+    impl Deref for Ia5String {
+        type Target = StrOwned;
+
+        fn deref(&self) -> &Self::Target {
+            &self.inner
+        }
+    }
+
+    impl<'a> From<Ia5StringRef<'a>> for Ia5String {
+        fn from(international_string: Ia5StringRef<'a>) -> Ia5String {
+            let inner = international_string.inner.into();
+            Self { inner }
+        }
+    }
+
+    impl<'a> From<&'a Ia5String> for AnyRef<'a> {
+        fn from(international_string: &'a Ia5String) -> AnyRef<'a> {
+            AnyRef::from_tag_and_value(Tag::Ia5String, (&international_string.inner).into())
+        }
+    }
+
+    impl<'a> RefToOwned<'a> for Ia5StringRef<'a> {
+        type Owned = Ia5String;
+        fn ref_to_owned(&self) -> Self::Owned {
+            Ia5String {
+                inner: self.inner.ref_to_owned(),
+            }
+        }
+    }
+
+    impl OwnedToRef for Ia5String {
+        type Borrowed<'a> = Ia5StringRef<'a>;
+        fn owned_to_ref(&self) -> Self::Borrowed<'_> {
+            Ia5StringRef {
+                inner: self.inner.owned_to_ref(),
+            }
+        }
+    }
+
+    impl TryFrom<String> for Ia5String {
+        type Error = Error;
+
+        fn try_from(input: String) -> Result<Self> {
+            Ia5StringRef::new(&input)?;
+
+            StrOwned::new(input)
+                .map(|inner| Self { inner })
+                .map_err(|_| Self::TAG.value_error())
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::Ia5StringRef;
+    use crate::Decode;
+    use hex_literal::hex;
+
+    #[test]
+    fn parse_bytes() {
+        let example_bytes = hex!("16 0d 74 65 73 74 31 40 72 73 61 2e 63 6f 6d");
+        let internationalized_string = Ia5StringRef::from_der(&example_bytes).unwrap();
+        assert_eq!(internationalized_string.as_str(), "test1@rsa.com");
+    }
+}