5 files changed, 75 insertions, 28 deletions
diff --git a/vendor/ecdsa/.cargo-checksum.json b/vendor/ecdsa/.cargo-checksum.json
index 10d399ee2..0bb212096 100644
--- a/vendor/ecdsa/.cargo-checksum.json
+++ b/vendor/ecdsa/.cargo-checksum.json
@@ -1 +1 @@
-{"files":{"CHANGELOG.md":"3b692c15478b5aa15df17a094b84b03e0cfb6c56dbe8a5ec6d40b53ef1dcea2f","Cargo.toml":"09391aecb7abdf0ec8a55d81dad7f5df355562b286d2aca24b764243a8e06453","LICENSE-APACHE":"78779d420019e6b4630376af8e86b6b335ee8a2f89ede6e0411e0469a326aaa4","LICENSE-MIT":"bdebaf9156a298f8fdab56dd26cb5144673de522d80f4c0d88e0039145f147f9","README.md":"f99485065d3d5541ef1814ea8d3f75718f08cb78eb5626f9d34941799655b4b9","src/der.rs":"d3320fc6c6c3e5f08c8323c07bdf774a2f4cfc97d8951751c7e89232572167a7","src/dev.rs":"75d56ac79f04efc018b37eca752c7861579772a758cac94874ccf85aa880602a","src/hazmat.rs":"6d888d3389ac9d0431beed24b865260f0554271cdbb9aa24a6ca9341717fdfc7","src/lib.rs":"63f4d7ead0024b1fba3083c413a21e168d435d0917208be61c9fad868c84acdc","src/recovery.rs":"41141f9f4ffbd155c5167fbe749299496077c55e6b64ed83f65ced1372205623","src/signing.rs":"11842af046b43fe53add72a7fdc78a9555a1dbc37fe6bb0d1139e8b25491538f","src/verifying.rs":"c7441025d4ddcfce2c7701813d84c032364da4bd38bd28895a75d09eaca53ee3","tests/lib.rs":"68922b3fb793f7f64a6fdf8aa59b6fb9432d4706d7ad1d82129a8337c5cf6568"},"package":"a48e5d537b8a30c0b023116d981b16334be1485af7ca68db3a2b7024cbc957fd"}
-\ No newline at end of file
+{"files":{"CHANGELOG.md":"4279491bdaea14ba337058cfa381685d13f79cf38e806e8dfb3acb969f29d204","Cargo.toml":"c202563302268fd4423282cac188151281fe6b20baba52231bd62648e5fc6a1d","LICENSE-APACHE":"78779d420019e6b4630376af8e86b6b335ee8a2f89ede6e0411e0469a326aaa4","LICENSE-MIT":"bdebaf9156a298f8fdab56dd26cb5144673de522d80f4c0d88e0039145f147f9","README.md":"f99485065d3d5541ef1814ea8d3f75718f08cb78eb5626f9d34941799655b4b9","src/der.rs":"12d336b65d1a9d45a44809746c572084d512812e4a8baad23158127a67c583b6","src/dev.rs":"75d56ac79f04efc018b37eca752c7861579772a758cac94874ccf85aa880602a","src/hazmat.rs":"6d888d3389ac9d0431beed24b865260f0554271cdbb9aa24a6ca9341717fdfc7","src/lib.rs":"83449168dc7e3c9777291900b1c8e470d9c9701a705091a1a9aa3ff0862dacbe","src/recovery.rs":"41141f9f4ffbd155c5167fbe749299496077c55e6b64ed83f65ced1372205623","src/signing.rs":"11842af046b43fe53add72a7fdc78a9555a1dbc37fe6bb0d1139e8b25491538f","src/verifying.rs":"c7441025d4ddcfce2c7701813d84c032364da4bd38bd28895a75d09eaca53ee3","tests/lib.rs":"68922b3fb793f7f64a6fdf8aa59b6fb9432d4706d7ad1d82129a8337c5cf6568"},"package":"0997c976637b606099b9985693efa3581e84e41f5c11ba5255f88711058ad428"}
+\ No newline at end of file
diff --git a/vendor/ecdsa/CHANGELOG.md b/vendor/ecdsa/CHANGELOG.md
index c551aaa8d..675eecc2a 100644
--- a/vendor/ecdsa/CHANGELOG.md
+++ b/vendor/ecdsa/CHANGELOG.md
@@ -4,6 +4,27 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## 0.16.7 (2023-05-11)
+
+### Added
+- RFC5480 citation for `der::Signature` ([#710])
+- support for the `SignatureBitStringEncoding` trait ([#716])
+
+### Changed
+- bump `elliptic-curve` from 0.13.3 to 0.13.4 ([#709])
+- `der::Signature` citation to RFC5912 ([#711])
+- make `fmt` impls more consistent ([#713])
+
+### Fixed
+- `serde` doc fixup ([#712])
+
+[#709]: https://github.com/RustCrypto/signatures/pull/709
+[#710]: https://github.com/RustCrypto/signatures/pull/710
+[#711]: https://github.com/RustCrypto/signatures/pull/711
+[#712]: https://github.com/RustCrypto/signatures/pull/712
+[#713]: https://github.com/RustCrypto/signatures/pull/713
+[#716]: https://github.com/RustCrypto/signatures/pull/716
+
 ## 0.16.6 (2023-04-09)
 ### Fixed
 - Test macro handling of serialized field size ([#707])
diff --git a/vendor/ecdsa/Cargo.toml b/vendor/ecdsa/Cargo.toml
index 5f0e94d97..6e0c75aba 100644
--- a/vendor/ecdsa/Cargo.toml
+++ b/vendor/ecdsa/Cargo.toml
@@ -13,7 +13,7 @@
 edition = "2021"
 rust-version = "1.65"
 name = "ecdsa"
-version = "0.16.6"
+version = "0.16.7"
 authors = ["RustCrypto Developers"]
 description = """
 Pure Rust implementation of the Elliptic Curve Digital Signature Algorithm
@@ -53,7 +53,7 @@ optional = true
 default-features = false
 
 [dependencies.elliptic-curve]
-version = "0.13.3"
+version = "0.13.4"
 features = [
     "digest",
     "sec1",
@@ -81,6 +81,11 @@ version = "2.0, <2.2"
 features = ["rand_core"]
 default-features = false
 
+[dependencies.spki]
+version = "0.7.2"
+optional = true
+default-features = false
+
 [dev-dependencies.elliptic-curve]
 version = "0.13"
 features = ["dev"]
@@ -97,6 +102,7 @@ default-features = false
 alloc = [
     "elliptic-curve/alloc",
     "signature/alloc",
+    "spki/alloc",
 ]
 arithmetic = ["elliptic-curve/arithmetic"]
 default = ["digest"]
diff --git a/vendor/ecdsa/src/der.rs b/vendor/ecdsa/src/der.rs
index cb774232e..b4b03c172 100644
--- a/vendor/ecdsa/src/der.rs
+++ b/vendor/ecdsa/src/der.rs
@@ -1,4 +1,7 @@
-//! Support for ECDSA signatures encoded as ASN.1 DER.
+//! Support for ASN.1 DER-encoded ECDSA signatures as specified in
+//! [RFC5912 Appendix A].
+//!
+//! [RFC5912 Appendix A]: https://www.rfc-editor.org/rfc/rfc5912#appendix-A
 
 use crate::{Error, Result};
 use core::{
@@ -16,6 +19,7 @@ use elliptic_curve::{
 use {
     alloc::{boxed::Box, vec::Vec},
     signature::SignatureEncoding,
+    spki::{der::asn1::BitString, SignatureBitStringEncoding},
 };
 
 #[cfg(feature = "serde")]
@@ -43,9 +47,16 @@ pub type MaxSize<C> = <<FieldBytesSize<C> as Add>::Output as Add<MaxOverhead>>::
 /// Byte array containing a serialized ASN.1 signature
 type SignatureBytes<C> = GenericArray<u8, MaxSize<C>>;
 
-/// ASN.1 DER-encoded signature.
+/// ASN.1 DER-encoded signature as specified in [RFC5912 Appendix A]:
 ///
-/// Generic over the scalar size of the elliptic curve.
+/// ```text
+/// ECDSA-Sig-Value ::= SEQUENCE {
+///   r  INTEGER,
+///   s  INTEGER
+/// }
+/// ```
+///
+/// [RFC5912 Appendix A]: https://www.rfc-editor.org/rfc/rfc5912#appendix-A
 pub struct Signature<C>
 where
     C: PrimeCurve,
@@ -299,6 +310,18 @@ where
     }
 }
 
+#[cfg(feature = "alloc")]
+impl<C> SignatureBitStringEncoding for Signature<C>
+where
+    C: PrimeCurve,
+    MaxSize<C>: ArrayLength<u8>,
+    <FieldBytesSize<C> as Add>::Output: Add<MaxOverhead> + ArrayLength<u8>,
+{
+    fn to_bitstring(&self) -> der::Result<BitString> {
+        BitString::new(0, self.to_vec())
+    }
+}
+
 #[cfg(feature = "serde")]
 impl<C> Serialize for Signature<C>
 where
diff --git a/vendor/ecdsa/src/lib.rs b/vendor/ecdsa/src/lib.rs
index 4842d507f..96f1a16e5 100644
--- a/vendor/ecdsa/src/lib.rs
+++ b/vendor/ecdsa/src/lib.rs
@@ -83,10 +83,7 @@ pub use crate::signing::SigningKey;
 #[cfg(feature = "verifying")]
 pub use crate::verifying::VerifyingKey;
 
-use core::{
-    fmt::{self, Debug},
-    ops::Add,
-};
+use core::{fmt, ops::Add};
 use elliptic_curve::{
     generic_array::{sequence::Concat, typenum::Unsigned, ArrayLength, GenericArray},
     FieldBytes, FieldBytesSize, ScalarPrimitive,
@@ -192,8 +189,8 @@ pub type SignatureBytes<C> = GenericArray<u8, SignatureSize<C>>;
 /// serializing and deserializing ECDSA signatures using the `Serialize` and
 /// `Deserialize` traits.
 ///
-/// The serialization uses a 64-byte fixed encoding when used with binary
-/// formats, and a hexadecimal encoding when used with text formats.
+/// The serialization uses a hexadecimal encoding when used with
+/// "human readable" text formats, and a binary encoding otherwise.
 #[derive(Clone, Eq, PartialEq)]
 pub struct Signature<C: PrimeCurve> {
     r: ScalarPrimitive<C>,
@@ -321,22 +318,6 @@ where
 {
 }
 
-impl<C> Debug for Signature<C>
-where
-    C: PrimeCurve,
-    SignatureSize<C>: ArrayLength<u8>,
-{
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(f, "ecdsa::Signature<{:?}>(", C::default())?;
-
-        for byte in self.to_bytes() {
-            write!(f, "{:02X}", byte)?;
-        }
-
-        write!(f, ")")
-    }
-}
-
 impl<C> From<Signature<C>> for SignatureBytes<C>
 where
     C: PrimeCurve,
@@ -367,6 +348,22 @@ where
     }
 }
 
+impl<C> fmt::Debug for Signature<C>
+where
+    C: PrimeCurve,
+    SignatureSize<C>: ArrayLength<u8>,
+{
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "ecdsa::Signature<{:?}>(", C::default())?;
+
+        for byte in self.to_bytes() {
+            write!(f, "{:02X}", byte)?;
+        }
+
+        write!(f, ")")
+    }
+}
+
 impl<C> fmt::Display for Signature<C>
 where
     C: PrimeCurve,