From 9835e2ae736235810b4ea1c162ca5e65c547e770 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 18 May 2024 04:49:50 +0200
Subject: Merging upstream version 1.71.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 vendor/signature/src/encoding.rs | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 vendor/signature/src/encoding.rs

(limited to 'vendor/signature/src/encoding.rs')

diff --git a/vendor/signature/src/encoding.rs b/vendor/signature/src/encoding.rs
new file mode 100644
index 000000000..8bc475b01
--- /dev/null
+++ b/vendor/signature/src/encoding.rs
@@ -0,0 +1,31 @@
+//! Encoding support.
+
+#[cfg(feature = "alloc")]
+use alloc::vec::Vec;
+
+/// Support for decoding/encoding signatures as bytes.
+pub trait SignatureEncoding:
+    Clone + Sized + for<'a> TryFrom<&'a [u8]> + TryInto<Self::Repr>
+{
+    /// Byte representation of a signature.
+    type Repr: 'static + AsRef<[u8]> + Clone + Send + Sync;
+
+    /// Encode signature as its byte representation.
+    fn to_bytes(&self) -> Self::Repr {
+        self.clone()
+            .try_into()
+            .ok()
+            .expect("signature encoding error")
+    }
+
+    /// Encode signature as a byte vector.
+    #[cfg(feature = "alloc")]
+    fn to_vec(&self) -> Vec<u8> {
+        self.to_bytes().as_ref().to_vec()
+    }
+
+    /// Get the length of this signature when encoded.
+    fn encoded_len(&self) -> usize {
+        self.to_bytes().as_ref().len()
+    }
+}
-- 
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